diff --git a/dgbuilder/test/_spec.js b/dgbuilder/test/_spec.js
new file mode 100644
index 0000000..9eb7e07
--- /dev/null
+++ b/dgbuilder/test/_spec.js
@@ -0,0 +1,93 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+/**
+ * This test simply checks that for every .js file there exists
+ * a *_spec.js file under ./test correspondingly.
+ */
+
+/**
+ * Currently we're only checking the core components under ./red
+ * TODO: Increase the scope of this check
+ */
+
+var fs = require("fs");
+var should = require("should");
+var path = require('path');
+
+// Directories to check with .js files and _spec.js files respectively
+var jsdir = path.resolve(__dirname, "../red");
+var testdir = path.resolve(__dirname, "red");
+
+var fs = require('fs');
+var walkDirectory = function(dir, topdir, done) {
+    fs.readdir(dir, function(err, list) {
+        var error;
+        var errReturned = false;
+        if (err) {
+            return done(err);
+        }
+
+        var i = 0;
+        (function next() {
+            var file = list[i++];
+
+            // return error if there are no more files to check and error has not been previously returned to avoid multiple calls to done()
+            if (!file) {
+                if (!errReturned) {
+                    errReturned = true;
+                    return done(error);
+                }
+            } else {
+                file = path.resolve(dir, file);
+                fs.stat(file, function(err, stat) {
+                    if (stat && stat.isDirectory()) {
+                        walkDirectory(file, false, function(err) {
+                            if (!error) {
+                                error = err;
+                            }
+                            next();
+                        });
+                    } else {
+                        if (path.extname(file) === ".js") {
+                            var testFile = file.replace(jsdir, testdir).replace(".js", "_spec.js");
+                            fs.exists(testFile, function (exists) {
+                                try {
+                                    exists.should.equal(true, testFile + " does not exist");
+                                } catch (err) {
+                                    if (!topdir) {
+                                        return done(err);
+                                    } else {
+                                        error = err;
+                                        return;
+                                    }
+                                }
+                            });
+                        }
+                        next();
+                    }
+                });
+            }
+        })();
+    });
+};
+
+describe('_spec.js', function() {
+    this.timeout(50000); // we might not finish within the Mocha default timeout limit, project will also grow
+    it('is checking if all .js files have a corresponding _spec.js test file.', function(done) {
+        walkDirectory(jsdir, true, done);
+    });
+});
diff --git a/dgbuilder/test/nodes/core/core/20-inject_spec.js b/dgbuilder/test/nodes/core/core/20-inject_spec.js
new file mode 100644
index 0000000..aeeac9d
--- /dev/null
+++ b/dgbuilder/test/nodes/core/core/20-inject_spec.js
@@ -0,0 +1,118 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var injectNode = require("../../../../nodes/core/core/20-inject.js");
+var helper = require("../../helper.js");
+
+describe('inject node', function() {
+
+    before(function(done) {
+        helper.startServer(done);
+    });
+    
+    afterEach(function() {
+        helper.unload();
+    });
+
+    it('should inject once', function(done) {
+
+        helper.load(injectNode, [{id:"n1", type:"inject",
+                    payload:"payload", topic: "t1",
+                    once: true, wires:[["n2"]] },
+                   {id:"n2", type:"helper"}],
+                  function() {
+                      var n2 = helper.getNode("n2");
+                      n2.on("input", function(msg) {
+                          msg.should.have.property('topic', 't1');
+                          msg.should.have.property('payload', 'payload');
+                          done();
+                      });
+                  });
+    });
+
+    it('should inject repeatedly', function(done) {
+
+        helper.load(injectNode, [{id:"n1", type:"inject",
+                    payload:"payload", topic: "t2",
+                    repeat: 0.2, wires:[["n2"]] },
+                   {id:"n2", type:"helper"}],
+                  function() {
+                      var n2 = helper.getNode("n2");
+                      var count = 0;
+                      n2.on("input", function(msg) {
+                          msg.should.have.property('topic', 't2');
+                          msg.should.have.property('payload', 'payload');
+                          count += 1;
+                          if (count > 2) {
+                              helper.clearFlows().then(function() {
+                                  done();
+                              });
+                          }
+                      });
+                  });
+    });
+
+    it('should inject with cron', function(done) {
+        helper.load(injectNode, [{id:"n1", type:"inject",
+                    payloadType:"date", topic: "t3",
+                    crontab: "* * * * * *", wires:[["n3"]] },
+                   {id:"n3", type:"helper"}],
+                  function() {
+                      var n3 = helper.getNode("n3");
+                      n3.on("input", function(msg) {
+                          msg.should.have.property('topic', 't3');
+                          msg.should.have.property('payload').be.a.Number;
+                          helper.clearFlows().then(function() {
+                              done();
+                          });
+                      });
+                  });
+    });
+
+    describe('post', function() {
+        it('should inject message', function(done) {
+            helper.load(injectNode,
+                        [{id:"n1", type:"inject",
+                          payloadType:"some type", topic: "t4",
+                          wires:[["n4"]] },
+                         { id:"n4", type:"helper"}], function() {
+                             var n4 = helper.getNode("n4");
+                             n4.on("input", function(msg) {
+                                 msg.should.have.property('topic', 't4');
+                                 msg.should.have.property('payload', '');
+                                 helper.clearFlows().then(function() {
+                                     done();
+                                 });
+                             });
+                             helper.request()
+                                 .post('/inject/n1')
+                                 .expect(200).end(function(err) {
+                                     if (err) {
+                                         return helper.clearFlows()
+                                             .then(function () {
+                                                 done(err);
+                                             });
+                                     }
+                                 });
+                         });
+        });
+
+        it('should fail for invalid node', function(done) {
+            helper.request().post('/inject/invalid').expect(404).end(done);
+        });
+    });
+});
diff --git a/dgbuilder/test/nodes/core/core/58-debug_spec.js b/dgbuilder/test/nodes/core/core/58-debug_spec.js
new file mode 100644
index 0000000..f83fc2c
--- /dev/null
+++ b/dgbuilder/test/nodes/core/core/58-debug_spec.js
@@ -0,0 +1,298 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var debugNode = require("../../../../nodes/core/core/58-debug.js");
+var helper = require("../../helper.js");
+var WebSocket = require('ws');
+
+describe('debug node', function() {
+
+    before(function(done) {
+        helper.startServer(done);
+    });
+    
+    afterEach(function() {
+        helper.unload();
+    });
+
+
+    it('should be loaded', function(done) {
+        var flow = [{id:"n1", type:"debug", name: "Debug" }];
+        helper.load(debugNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            n1.should.have.property('name', 'Debug');
+            done();
+        });
+    });
+
+    it('should publish on input', function(done) {
+        var flow = [{id:"n1", type:"debug", name: "Debug" }];
+        helper.load(debugNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            websocket_test(function() {
+                n1.emit("input", {payload:"test"});
+            }, function(msg) {
+                JSON.parse(msg).should.eql({
+                    topic:"debug",data:{id:"n1",name:"Debug",msg:"test"}
+                });
+            }, done);
+        });
+    });
+
+    it('should publish to console', function(done) {
+        var flow = [{id:"n1", type:"debug", console: "true" }];
+        helper.load(debugNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            var count = 0;
+            n1.on('log', function(msg) {
+                msg.should.eql({level:'log',id:'n1',type:'debug',msg:'test'});
+                count++;
+                if (count == 2) {
+                    done();
+                }
+            });
+            websocket_test(function() {
+                n1.emit("input", {payload:"test"});
+            }, function(msg) {
+                JSON.parse(msg).should.eql({
+                    topic:"debug",data:{id:"n1",msg:"test"}
+                });
+                count++;
+            }, function() {
+                if (count == 2) {
+                    done();
+                }
+            });
+        });
+    });
+
+    it('should publish complete message', function(done) {
+        var flow = [{id:"n1", type:"debug", complete: "true" }];
+        helper.load(debugNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            websocket_test(function() {
+                n1.emit("input", {payload:"test"});
+            }, function(msg) {
+                JSON.parse(msg).should.eql({
+                    topic:"debug",
+                    data:{id:"n1",msg:'(Object) {\n "payload": "test"\n}'}
+                });
+            }, done);
+        });
+    });
+
+    it('should publish an Error', function(done) {
+        var flow = [{id:"n1", type:"debug" }];
+        helper.load(debugNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            websocket_test(function() {
+                n1.emit("input", {payload: new Error("oops")});
+            }, function(msg) {
+                JSON.parse(msg).should.eql({
+                    topic:"debug",data:{id:"n1",msg:"Error: oops"}
+                });
+            }, done);
+        });
+    });
+
+    it('should publish a boolean', function(done) {
+        var flow = [{id:"n1", type:"debug" }];
+        helper.load(debugNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            websocket_test(function() {
+                n1.emit("input", {payload: true});
+            }, function(msg) {
+                JSON.parse(msg).should.eql({
+                    topic:"debug",data:{id:"n1",msg: '(boolean) true'}
+                });
+            }, done);
+        });
+    });
+
+    it('should publish with no payload', function(done) {
+        var flow = [{id:"n1", type:"debug" }];
+        helper.load(debugNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            websocket_test(function() {
+                n1.emit("input", {});
+            }, function(msg) {
+                JSON.parse(msg).should.eql({
+                    topic:"debug",data:{id:"n1",msg: '(undefined)'}
+                });
+            }, done);
+        });
+    });
+
+    it('should publish an object', function(done) {
+        var flow = [{id:"n1", type:"debug" }];
+        helper.load(debugNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            websocket_test(function() {
+                n1.emit("input", {payload: {type:'foo'}});
+            }, function(msg) {
+                JSON.parse(msg).should.eql({
+                    topic:"debug",
+                    data:{id:"n1",msg:'(Object) {\n "type": "foo"\n}'}
+                });
+            }, done);
+        });
+    });
+
+    it('should publish an array', function(done) {
+        var flow = [{id:"n1", type:"debug" }];
+        helper.load(debugNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            websocket_test(function() {
+                n1.emit("input", {payload: [0,1,2,3]});
+            }, function(msg) {
+                JSON.parse(msg).should.eql({
+                    topic:"debug",
+                    data:{id:"n1",msg: '(Array) [\n 0,\n 1,\n 2,\n 3\n]'}
+                });
+            }, done);
+        });
+    });
+
+    it('should publish an object with circular references', function(done) {
+        var flow = [{id:"n1", type:"debug" }];
+        helper.load(debugNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            websocket_test(function() {
+                var o = { name: 'bar' };
+                o.o = o;
+                n1.emit("input", {payload: o});
+            }, function(msg) {
+                JSON.parse(msg).should.eql({
+                    topic:"debug",
+                    data:{
+                        id:"n1",
+                        msg:'(Object) {\n "name": "bar",\n "o": "[circular]"\n}'
+                    }
+                });
+            }, done);
+        });
+    });
+
+    it('should truncated a long message', function(done) {
+        var flow = [{id:"n1", type:"debug" }];
+        helper.load(debugNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            websocket_test(function() {
+                n1.emit("input", {payload: Array(1002).join("X")});
+            }, function(msg) {
+                JSON.parse(msg).should.eql({
+                    topic:"debug",
+                    data:{
+                        id:"n1",
+                        msg: Array(1001).join("X")+' ....'
+                    }
+                });
+            }, done);
+        });
+    });
+
+    it('should convert Buffer to hex', function(done) {
+        var flow = [{id:"n1", type:"debug" }];
+        helper.load(debugNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            websocket_test(function() {
+                n1.emit("input", {payload: new Buffer('HELLO', 'utf8')});
+            }, function(msg) {
+                JSON.parse(msg).should.eql({
+                    topic:"debug",
+                    data:{
+                        id:"n1",
+                        msg: '(Buffer) 48454c4c4f',
+                    }
+                });
+            }, done);
+        });
+    });
+
+    it('should publish when active', function(done) {
+        var flow = [{id:"n1", type:"debug", active: false }];
+        helper.load(debugNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            websocket_test(function() {
+                n1.emit("input", {payload:"message 1"});
+                helper.request()
+                    .post('/debug/n1/enable')
+                    .expect(200).end(function(err) {
+                        if (err) { return done(err); }
+                        n1.emit("input", {payload:"message 2"});
+                    });
+            }, function(msg) {
+                JSON.parse(msg).should.eql({
+                    topic:"debug",data:{id:"n1",msg:"message 2"}
+                });
+            }, done);
+        });
+    });
+
+    it('should not publish when inactive', function(done) {
+        var flow = [{id:"n1", type:"debug", active: true }];
+        helper.load(debugNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            websocket_test(function(close) {
+                helper.request()
+                    .post('/debug/n1/disable')
+                    .expect(201).end(function(err) {
+                        if (err) {
+                            close();
+                            return done(err);
+                        }
+                        n1.emit("input", {payload:"message"});
+                        setTimeout(function() {
+                            close();
+                            done();
+                        }, 200);
+                    });
+            }, function(msg) {
+                should.fail(null,null,"unexpected message");
+            }, function() {});
+        });
+    });
+
+    describe('post', function() {
+        it('should return 404 on invalid state', function(done) {
+            var flow = [{id:"n1", type:"debug", active: true }];
+            helper.load(debugNode, flow, function() {
+                helper.request()
+                    .post('/debug/n1/foobar')
+                    .expect(404).end(done);
+            });
+        });
+
+        it('should return 404 on invalid node', function(done) {
+            helper.request()
+                .post('/debug/n99/enable')
+                .expect(404).end(done);
+        });
+    });
+
+});
+
+function websocket_test(open_callback, message_callback, done_callback) {
+    var ws = new WebSocket(helper.url() + "/comms");
+    var close_callback = function() { ws.close(); };
+    ws.on('open', function() { open_callback(close_callback); });
+    ws.on('message', function(msg) {
+        message_callback(msg, close_callback);
+        ws.close();
+        done_callback();
+    });
+}
diff --git a/dgbuilder/test/nodes/core/core/80-function_spec.js b/dgbuilder/test/nodes/core/core/80-function_spec.js
new file mode 100644
index 0000000..9efd93a
--- /dev/null
+++ b/dgbuilder/test/nodes/core/core/80-function_spec.js
@@ -0,0 +1,149 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var functionNode = require("../../../../nodes/core/core/80-function.js");
+var helper = require("../../helper.js");
+
+describe('function node', function() {
+
+    before(function(done) {
+        helper.startServer(done);
+    });
+    
+    afterEach(function() {
+        helper.unload();
+    });
+
+    it('should be loaded', function(done) {
+        var flow = [{id:"n1", type:"function", name: "function" }];
+        helper.load(functionNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            n1.should.have.property('name', 'function');
+            done();
+        });
+    });
+
+    it('should send returned message', function(done) {
+        var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"return msg;"},
+                    {id:"n2", type:"helper"}];
+        helper.load(functionNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            var n2 = helper.getNode("n2");
+            n2.on("input", function(msg) {
+                msg.should.have.property('topic', 'bar');
+                msg.should.have.property('payload', 'foo');
+                done();
+            });
+            n1.receive({payload:"foo",topic: "bar"});
+        });
+    });
+
+    it('should pass through _topic', function(done) {
+        var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"return msg;"},
+                    {id:"n2", type:"helper"}];
+        helper.load(functionNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            var n2 = helper.getNode("n2");
+            n2.on("input", function(msg) {
+                msg.should.have.property('topic', 'bar');
+                msg.should.have.property('payload', 'foo');
+                msg.should.have.property('_topic', 'baz');
+                done();
+            });
+            n1.receive({payload:"foo",topic: "bar", _topic: "baz"});
+        });
+    });
+
+    it('should send to multiple outputs', function(done) {
+        var flow = [{id:"n1",type:"function",wires:[["n2"],["n3"]],
+                     func:"return [{payload: '1'},{payload: '2'}];"},
+                    {id:"n2", type:"helper"}, {id:"n3", type:"helper"} ];
+        helper.load(functionNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            var n2 = helper.getNode("n2");
+            var n3 = helper.getNode("n3");
+            var count = 0;
+            n2.on("input", function(msg) {
+                should(msg).have.property('payload', '1');
+                count++;
+                if (count == 2) {
+                    done();
+                }
+            });
+            n3.on("input", function(msg) {
+                should(msg).have.property('payload', '2');
+                count++;
+                if (count == 2) {
+                    done();
+                }
+            });
+            n1.receive({payload:"foo",topic: "bar"});
+        });
+    });
+
+    it('should send to multiple messages', function(done) {
+        var flow = [{id:"n1",type:"function",wires:[["n2"]],
+                     func:"return [[{payload: 1},{payload: 2}]];"},
+                    {id:"n2", type:"helper"} ];
+        helper.load(functionNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            var n2 = helper.getNode("n2");
+            var count = 0;
+            n2.on("input", function(msg) {
+                count++;
+                should(msg).have.property('payload', count);
+                should(msg).have.property('_topic', 'baz');
+                if (count == 2) {
+                    done();
+                }
+            });
+            n1.receive({payload:"foo", topic: "bar", _topic:"baz"});
+        });
+    });
+
+    it('should allow input to be discarded by returning null', function(done) {
+        var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"return null"},
+                    {id:"n2", type:"helper"}];
+        helper.load(functionNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            var n2 = helper.getNode("n2");
+            setTimeout(function() {
+                done();
+            }, 200);
+            n2.on("input", function(msg) {
+                should.fail(null,null,"unexpected message");
+            });
+            n1.receive({payload:"foo",topic: "bar"});
+        });
+    });
+
+    it('should handle and log script error', function(done) {
+        var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"retunr"}];
+        helper.load(functionNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            n1.on("log", function(msg) {
+                msg.should.have.property('level', 'error');
+                msg.should.have.property('id', 'n1');
+                msg.should.have.property('type', 'function');
+                msg.should.have.property('msg', 'ReferenceError: retunr is not defined');
+                done();
+            });
+            n1.receive({payload:"foo",topic: "bar"});
+        });
+    });
+
+});
diff --git a/dgbuilder/test/nodes/core/core/80-template_spec.js b/dgbuilder/test/nodes/core/core/80-template_spec.js
new file mode 100644
index 0000000..a89afa3
--- /dev/null
+++ b/dgbuilder/test/nodes/core/core/80-template_spec.js
@@ -0,0 +1,46 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var templateNode = require("../../../../nodes/core/core/80-template.js");
+var helper = require("../../helper.js");
+
+describe('template node', function() {
+
+    before(function(done) {
+        helper.startServer(done);
+    });
+    
+    afterEach(function() {
+        helper.unload();
+    });
+
+
+    it('should modify payload', function(done) {
+        var flow = [{id:"n1", type:"template", field: "payload", template: "payload={{payload}}",wires:[["n2"]]},{id:"n2",type:"helper"}];
+        helper.load(templateNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            var n2 = helper.getNode("n2");
+            n2.on("input", function(msg) {
+                msg.should.have.property('topic', 'bar');
+                msg.should.have.property('payload', 'payload=foo');
+                done();
+            });
+            n1.receive({payload:"foo",topic: "bar"});
+        });
+    });
+
+});
diff --git a/dgbuilder/test/nodes/core/core/89-delay_spec.js b/dgbuilder/test/nodes/core/core/89-delay_spec.js
new file mode 100644
index 0000000..22c3173
--- /dev/null
+++ b/dgbuilder/test/nodes/core/core/89-delay_spec.js
@@ -0,0 +1,420 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+
+var delayNode = require("../../../../nodes/core/core/89-delay.js");
+var helper = require("../../helper.js");
+
+var GRACE_PERCENTAGE=10;
+
+var nanosToSeconds = 1000000000;
+var millisToSeconds = 1000;
+
+var secondsToMinutes = 60;
+var secondsToHours = 3600;
+var secondsToDays = 86400;
+
+
+describe('delayNode', function() {
+    
+    beforeEach(function(done) {
+        helper.startServer(done);
+    });
+    
+    afterEach(function(done) {
+        helper.unload();
+        helper.stopServer(done);
+    });
+
+    it('should be loaded', function(done) {
+        var flow = [{"id":"delayNode1","type":"delay","name":"delayNode","pauseType":"delay","timeout":"5","timeoutUnits":"seconds","rate":"1","rateUnits":"second","randomFirst":"1","randomLast":"5","randomUnits":"seconds","drop":false,"wires":[[]]}];
+        helper.load(delayNode, flow, function() {
+            var delayNode1 = helper.getNode("delayNode1");
+            delayNode1.should.have.property('name', 'delayNode');
+            done();
+        });
+    });
+    
+    var TimeUnitEnum = {
+            MILLIS : "milliseconds",
+            SECONDS : "seconds",
+            MINUTES : "minutes",
+            HOURS : "hours",
+            DAYS : "days"
+    }
+    
+    /**
+     * Tells whether two numeric values are close enough to each other
+     * @param actualValue - the value we're testing
+     * @param expectedValue - the value we're matching the test value against
+     * @param tolerancePercent - the percentage of tolerated deviation (0 means equals)
+     */
+    function closeEnough(actualValue, expectedValue, tolerancePercent) {
+        var toReturn;
+        var toleranceFraction = expectedValue * (tolerancePercent/100);
+        var minExpected = expectedValue - toleranceFraction;
+        var maxExpected = expectedValue + toleranceFraction;
+        
+        if(actualValue >= minExpected && actualValue <= maxExpected) {
+            toReturn = true;
+        } else {
+            toReturn = false;
+        }
+        return toReturn;
+    }
+    
+    /**
+     * Runs a delay test
+     * @param aTimeout - the timeout quantity
+     * @param aTimeoutUnit - the unit of the timeout: milliseconds, seconds, minutes, hours, days
+     */
+    function genericDelayTest(aTimeout, aTimeoutUnit, done) {
+        var flow = [{"id":"delayNode1","type":"delay","name":"delayNode","pauseType":"delay","timeout":aTimeout,"timeoutUnits":aTimeoutUnit,"rate":"1","rateUnits":"second","randomFirst":"1","randomLast":"5","randomUnits":"seconds","drop":false,"wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(delayNode, flow, function() {
+            var delayNode1 = helper.getNode("delayNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            helperNode1.on("input", function(msg) {
+                try {
+                    var endTime = process.hrtime(startTime);
+                    var runtimeNanos = ( (endTime[0] * nanosToSeconds) + endTime[1] );
+                    var runtimeSeconds = runtimeNanos / nanosToSeconds;
+                    var aTimeoutUnifiedToSeconds;
+                    
+                    // calculating the timeout in seconds
+                    if(aTimeoutUnit == TimeUnitEnum.MILLIS) {
+                        aTimeoutUnifiedToSeconds = aTimeout / millisToSeconds;
+                    } else if(aTimeoutUnit == TimeUnitEnum.SECONDS) {
+                        aTimeoutUnifiedToSeconds = aTimeout;
+                    } else if(aTimeoutUnit == TimeUnitEnum.MINUTES) {
+                        aTimeoutUnifiedToSeconds = aTimeout * secondsToMinutes;
+                    } else if(aTimeoutUnit == TimeUnitEnum.HOURS) {
+                        aTimeoutUnifiedToSeconds = aTimeout * secondsToHours;
+                    } else if(aTimeoutUnit == TimeUnitEnum.DAYS) {
+                        aTimeoutUnifiedToSeconds = aTimeout * secondsToDays;
+                    }
+                    
+                    if(closeEnough(runtimeSeconds, aTimeoutUnifiedToSeconds, GRACE_PERCENTAGE)) {
+                        done();
+                    } else {
+                        try {
+                            should.fail(null, null, "Delayed runtime seconds " +  runtimeSeconds + " was not close enough to exlected timeout seconds: " + aTimeoutUnifiedToSeconds);
+                        } catch (err) {
+                            done(err);
+                        }
+                    }
+                } catch(err) {
+                    done(err);
+                }
+            });
+            var startTime = process.hrtime();
+            delayNode1.receive({payload:"delayMe"});
+        });
+    }
+    
+    /**
+     * We send a message, take a timestamp then when the message is received by the helper node, we take another timestamp.
+     * Then check if the message has been delayed by the expected amount.
+     */
+    it('delays the message in seconds', function(done) {
+        genericDelayTest(0.5, "seconds", done);
+    });
+    
+    it('delays the message in milliseconds', function(done) {
+        genericDelayTest(500, "milliseconds", done);
+    });
+    
+    it('delays the message in minutes', function(done) { // this is also 0.5 seconds
+        genericDelayTest(0.00833, "minutes", done);
+    });
+    
+    it('delays the message in hours', function(done) { // this is also 0.5 seconds
+        genericDelayTest(0.0001388, "hours", done);
+    });
+    
+    it('delays the message in days', function(done) { // this is also 0.5 seconds
+        genericDelayTest(0.000005787, "days", done);
+    });
+    
+    /**
+     * Runs a rate limit test - only testing seconds!
+     * @param aLimit - the message limit count
+     * @param runtimeInMillis - when to terminate run and count messages received
+     */
+    function genericRateLimitSECONDSTest(aLimit, runtimeInMillis, done) {
+        var flow = [{"id":"delayNode1","type":"delay","name":"delayNode","pauseType":"rate","timeout":5,"timeoutUnits":"seconds","rate":aLimit,"rateUnits":"second","randomFirst":"1","randomLast":"5","randomUnits":"seconds","drop":false,"wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(delayNode, flow, function() {
+            var delayNode1 = helper.getNode("delayNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            var receivedMessagesStack = [];
+            var rate = 1000/aLimit;
+            
+            var receiveTimestamp;
+            
+            helperNode1.on("input", function(msg) {
+                if(receiveTimestamp) {
+                    var elapse = process.hrtime(receiveTimestamp);
+                    var receiveInterval = (elapse[0] * 1000) + ((elapse[1] / nanosToSeconds) * 1000);
+                    receiveInterval.should.be.above(rate * 0.9);
+                }
+                receiveTimestamp = process.hrtime();
+                receivedMessagesStack.push(msg);
+            });
+            
+            var possibleMaxMessageCount = Math.ceil(aLimit * (runtimeInMillis / 1000) + aLimit); // +aLimit as at the start of the 2nd period, we're allowing the 3rd burst
+            
+            var i = 0;
+            for(; i < possibleMaxMessageCount + 1; i++) {
+                delayNode1.receive({payload:i});
+            }
+            
+            setTimeout(function() {
+                try {
+                    receivedMessagesStack.length.should.be.lessThan(possibleMaxMessageCount);
+                    for(var j = 0; j < receivedMessagesStack.length; j++) {
+                        if(receivedMessagesStack[j].payload === j) {
+                            if(j === (receivedMessagesStack.length -1)) { // last message, all matched so far
+                                done();
+                            }
+                        } else {
+                            should.fail(null, null, "Received messages were not received in order. Message was " + receivedMessagesStack[i].payload + " on count " + i);
+                        }
+                    }   
+                } catch (err) {
+                    done(err);
+                }
+            }, runtimeInMillis);
+        });
+    }
+    
+    it('limits the message rate to 1 per second', function(done) {
+        genericRateLimitSECONDSTest(1, 1500, done);
+    });
+    
+    it('limits the message rate to 2 per second, 2 seconds', function(done) {
+        this.timeout(6000);
+        genericRateLimitSECONDSTest(2, 2100, done);
+    });
+    
+    /**
+     * Runs a rate limit test with drop support - only testing seconds!
+     * @param aLimit - the message limit count
+     * @param runtimeInMillis - when to terminate run and count messages received
+     */
+    function dropRateLimitSECONDSTest(aLimit, runtimeInMillis, done) {
+        var flow = [{"id":"delayNode1","type":"delay","name":"delayNode","pauseType":"rate","timeout":5,"timeoutUnits":"seconds","rate":aLimit,"rateUnits":"second","randomFirst":"1","randomLast":"5","randomUnits":"seconds","drop":true,"wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(delayNode, flow, function() {
+            var delayNode1 = helper.getNode("delayNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            var receivedMessagesStack = [];
+            
+            var rate = 1000/aLimit;
+            
+            var receiveTimestamp;
+            
+            helperNode1.on("input", function(msg) {
+                if(receiveTimestamp) {
+                    var elapse = process.hrtime(receiveTimestamp);
+                    var receiveInterval = (elapse[0] * 1000) + ((elapse[1] / nanosToSeconds) * 1000);
+                    receiveInterval.should.be.above(rate * 0.9);
+                }
+                receiveTimestamp = process.hrtime();
+                receivedMessagesStack.push(msg);
+            });
+            
+            var possibleMaxMessageCount = Math.ceil(aLimit * (runtimeInMillis / 1000) + aLimit); // +aLimit as at the start of the 2nd period, we're allowing the 3rd burst
+            
+            var i = 0;
+            delayNode1.receive({payload:i});
+            i++;
+            for(; i < possibleMaxMessageCount + 1; i++) {
+                setTimeout(function() {
+                   delayNode1.receive({payload:i});
+                }, 2 * ((rate * i) / possibleMaxMessageCount) );
+            }
+            
+            //we need to send a message delayed so that it doesn't get dropped
+            setTimeout(function() {
+                delayNode1.receive({payload:++i});
+            }, runtimeInMillis - 300); // should give enough time to squeeze another message in
+            
+            setTimeout(function() {
+                try {
+                    receivedMessagesStack.length.should.be.lessThan(possibleMaxMessageCount + 1);
+                    receivedMessagesStack.length.should.be.greaterThan(2); // ensure that we receive more than 1st and last message
+                    receivedMessagesStack[0].payload.should.be.exactly(0); // means we received the last message injected just before test termination
+                    var foundAtLeastOneDrop = false;
+                    for(var i = 0; i < receivedMessagesStack.length; i++) {
+                        if(i > 0) {
+                            if(receivedMessagesStack[i].payload - receivedMessagesStack[i - 1].payload > 1) {
+                                foundAtLeastOneDrop = true;
+                            }
+                        }
+                    }
+                    foundAtLeastOneDrop.should.be.true;
+                    done();
+                } catch (err) {
+                    done(err);
+                }
+            }, runtimeInMillis);
+        });
+    }
+    
+    it('limits the message rate to 1 per second, 4 seconds, with drop', function(done) {
+        this.timeout(6000);
+        dropRateLimitSECONDSTest(1, 4000, done);
+    });
+    
+    it('limits the message rate to 2 per second, 5 seconds, with drop', function(done) {
+        this.timeout(6000);
+        dropRateLimitSECONDSTest(2, 5000, done);
+    });
+    
+    /**
+     * Returns true if the actualTimeout is gracefully in between the timeoutFrom and timeoutTo
+     * values. Gracefully means that inBetween could actually mean smaller/greater values
+     * than the timeout range so long as it's within an actual grace percentage.
+     * @param timeoutFrom - The expected timeout range (low number)
+     * @param timeoutTo - The expected timeout range (high number)
+     * @param actualTimeout - The actual measured timeout value of test
+     * @param allowedGracePercent - The percentage of grace allowed
+     */
+    function inBetweenDelays(timeoutFrom, timeoutTo, actualTimeout, allowedGracePercent) {
+        if(closeEnough(actualTimeout, timeoutFrom, allowedGracePercent)) {
+            return true;
+        } else if(closeEnough(actualTimeout, timeoutTo, allowedGracePercent)) {
+            return true;
+        } else if(timeoutFrom < actualTimeout && timeoutTo > actualTimeout) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+    
+    /**
+     * Runs a RANDOM DELAY test, checks if the delay is in between the given timeout values
+     * @param aTimeoutFrom - the timeout quantity which is the minimal acceptable wait period
+     * @param aTimeoutTo - the timeout quantity which is the maximum acceptable wait period
+     * @param aTimeoutUnit - the unit of the timeout: milliseconds, seconds, minutes, hours, days
+     */
+    function randomDelayTest(aTimeoutFrom, aTimeoutTo, aTimeoutUnit, done) {
+        var flow = [{"id":"delayNode1","type":"delay","name":"delayNode","pauseType":"random","timeout":5,"timeoutUnits":"seconds","rate":"1","rateUnits":"second","randomFirst":aTimeoutFrom,"randomLast":aTimeoutTo,"randomUnits":aTimeoutUnit,"drop":false,"wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(delayNode, flow, function() {
+            var delayNode1 = helper.getNode("delayNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            helperNode1.on("input", function(msg) {
+                try {
+                    var endTime = process.hrtime(startTime);
+                    var runtimeNanos = ( (endTime[0] * nanosToSeconds) + endTime[1] );
+                    var runtimeSeconds = runtimeNanos / nanosToSeconds;
+                    var aTimeoutFromUnifiedToSeconds;
+                    var aTimeoutToUnifiedToSeconds;
+                    
+                    // calculating the timeout in seconds
+                    if(aTimeoutUnit == TimeUnitEnum.MILLIS) {
+                        aTimeoutFromUnifiedToSeconds = aTimeoutFrom / millisToSeconds;
+                        aTimeoutToUnifiedToSeconds = aTimeoutTo / millisToSeconds;
+                    } else if(aTimeoutUnit == TimeUnitEnum.SECONDS) {
+                        aTimeoutFromUnifiedToSeconds = aTimeoutFrom;
+                        aTimeoutToUnifiedToSeconds = aTimeoutTo;
+                    } else if(aTimeoutUnit == TimeUnitEnum.MINUTES) {
+                        aTimeoutFromUnifiedToSeconds = aTimeoutFrom * secondsToMinutes;
+                        aTimeoutToUnifiedToSeconds = aTimeoutTo * secondsToMinutes;
+                    } else if(aTimeoutUnit == TimeUnitEnum.HOURS) {
+                        aTimeoutFromUnifiedToSeconds = aTimeoutFrom * secondsToHours;
+                        aTimeoutToUnifiedToSeconds = aTimeoutTo * secondsToHours;
+                    } else if(aTimeoutUnit == TimeUnitEnum.DAYS) {
+                        aTimeoutFromUnifiedToSeconds = aTimeoutFrom * secondsToDays;
+                        aTimeoutToUnifiedToSeconds = aTimeoutTo * secondsToDays;
+                    }
+                    
+                    if(inBetweenDelays(aTimeoutFromUnifiedToSeconds, aTimeoutToUnifiedToSeconds, runtimeSeconds, GRACE_PERCENTAGE)) {
+                        done();
+                    } else {
+                        try {
+                            should.fail(null, null, "Delayed runtime seconds " +  runtimeSeconds + " was not \"in between enough\" enough to expected values of: " + aTimeoutFromUnifiedToSeconds + " and " + aTimeoutToUnifiedToSeconds);
+                        } catch (err) {
+                            done(err);
+                        }
+                    }
+                } catch(err) {
+                    done(err);
+                }
+            });
+            var startTime = process.hrtime();
+            delayNode1.receive({payload:"delayMe"});
+        });
+    }
+    
+    it('randomly delays the message in seconds', function(done) {
+        randomDelayTest(0.4, 0.8, "seconds", done);
+    });
+    
+    it(' randomly delays the message in milliseconds', function(done) {
+        randomDelayTest(400, 800, "milliseconds", done);
+    });
+    
+    it('randomly delays the message in minutes', function(done) {
+        randomDelayTest(0.0066, 0.0133, "minutes", done);
+    });
+    
+    it('delays the message in hours', function(done) {
+        randomDelayTest(0.000111111, 0.000222222, "hours", done);
+    });
+    
+    it('delays the message in days', function(done) {
+        randomDelayTest(0.0000046296, 0.0000092593, "days", done);
+    });
+    
+    it('handles bursts using a buffer', function(done) {
+        this.timeout(6000);
+
+        var flow = [{"id":"delayNode1","type":"delay","name":"delayNode","pauseType":"rate","timeout":5,"timeoutUnits":"seconds","rate":1000,"rateUnits":"second","randomFirst":"1","randomLast":"5","randomUnits":"seconds","drop":false,"wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(delayNode, flow, function() {
+            var delayNode1 = helper.getNode("delayNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            
+            var sinon = require('sinon');
+            
+            var receivedWarning = false;
+            var messageBurstSize = 1500;
+            
+            // we ensure that we note that a warning is received for buffer growth
+            sinon.stub(delayNode1, 'warn', function(warning){
+                if(warning.indexOf("buffer exceeded 1000 messages" > -1)) {
+                    receivedWarning = true;
+                }
+            });
+            
+            // we ensure that the warning is received for buffer size and that we get the last message
+            helperNode1.on("input", function(msg) {
+                if(msg.payload === (messageBurstSize - 1) && receivedWarning === true) {
+                    done(); // it will timeout if we don't receive the last message
+                }
+            });
+            // send 1500 messages as quickly as possible
+            for(var i = 0; i < messageBurstSize; i++) {
+                delayNode1.receive({payload:i});   
+            }
+        });
+    });
+    
+});
diff --git a/dgbuilder/test/nodes/core/core/90-comment_spec.js b/dgbuilder/test/nodes/core/core/90-comment_spec.js
new file mode 100644
index 0000000..54563e9
--- /dev/null
+++ b/dgbuilder/test/nodes/core/core/90-comment_spec.js
@@ -0,0 +1,36 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var commentNode = require("../../../../nodes/core/core/90-comment.js");
+var helper = require("../../helper.js");
+
+describe('comment node', function() {
+
+    afterEach(function() {
+        helper.unload();
+    });
+
+    it('should be loaded', function(done) {
+        var flow = [{id:"n1", type:"comment", name: "comment" }];
+        helper.load(commentNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            n1.should.have.property('name', 'comment');
+            done();
+        });
+    });
+
+});
diff --git a/dgbuilder/test/nodes/core/logic/10-switch_spec.js b/dgbuilder/test/nodes/core/logic/10-switch_spec.js
new file mode 100644
index 0000000..d5a4280
--- /dev/null
+++ b/dgbuilder/test/nodes/core/logic/10-switch_spec.js
@@ -0,0 +1,367 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+
+var switchNode = require("../../../../nodes/core/logic/10-switch.js");
+var helper = require("../../helper.js");
+
+describe('SwitchNode', function() {
+    
+    beforeEach(function(done) {
+        helper.startServer(done);
+    });
+    
+    afterEach(function(done) {
+        helper.unload();
+        helper.stopServer(done);
+    });
+    
+    it('should be loaded', function(done) {
+        var flow = [{"id":"switchNode1","type":"switch","name":"switchNode","property":"payload","rules":[{"t":"eq","v":""}],"checkall":"true","outputs":1,"wires":[[]]}];
+        helper.load(switchNode, flow, function() {
+            var switchNode1 = helper.getNode("switchNode1");
+            switchNode1.should.have.property('name', 'switchNode');
+            done();
+        });
+    });
+    
+    /**
+     * Test a switch node where one argument is consumed by the rule (such as greater than).
+     * @param rule - the switch rule (see 10-switc.js) string we're using
+     * @param ruleWith - whatever the rule should be executed with (say greater than 5)
+     * @param aCheckall - whether the switch flow should have the checkall flag set to true/false
+     * @param shouldReceive - whether the helper node should receive a payload
+     * @param sendPayload - the payload message we're sending
+     * @param done - callback when done
+     */
+    function genericSwitchTest(rule, ruleWith, aCheckall, shouldReceive, sendPayload, done) {
+        var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":rule,"v":ruleWith}],checkall:aCheckall,outputs:1,wires:[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        customFlowSwitchTest(flow, shouldReceive, sendPayload, done);
+    }
+    
+    /**
+     * Test a switch node where NO arguments are consumed by the rule (such as TRUE/FALSE)
+     * @param rule - the switch rule (see 10-switc.js) string we're using
+     * @param aCheckall - whether the switch flow should have the checkall flag set to true/false
+     * @param shouldReceive - whether the helper node should receive a payload
+     * @param sendPayload - the payload message we're sending
+     * @param done - callback when done
+     */
+    function singularSwitchTest(rule, aCheckall, shouldReceive, sendPayload, done) {
+        var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":rule}],checkall:aCheckall,outputs:1,wires:[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        customFlowSwitchTest(flow, shouldReceive, sendPayload, done);
+    }
+    
+    /**
+     * Test a switch node where two arguments are consumed by the rule (such as between).
+     * @param rule - the switch rule (see 10-switc.js) string we're using
+     * @param ruleWith - whatever the rule should be executed with (say between 5...)
+     * @param ruleWith2 - whatever the rule should be executed with (say ...and 5)
+     * @param aCheckall - whether the switch flow should have the checkall flag set to true/false
+     * @param shouldReceive - whether the helper node should receive a payload
+     * @param sendPayload - the payload message we're sending
+     * @param done - callback when done
+     */
+    function twoFieldSwitchTest(rule, ruleWith, ruleWith2, aCheckall, shouldReceive, sendPayload, done) {
+        var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":rule,"v":ruleWith,"v2":ruleWith2}],checkall:aCheckall,outputs:1,wires:[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        customFlowSwitchTest(flow, shouldReceive, sendPayload, done);
+    }
+    
+    /**
+     * Execute a switch test. Can specify whether the should node is expected to send a payload onwards to the helper node.
+     * The flow and the payload can be customised
+     * @param flow - the custom flow to be tested => must contain a switch node (switchNode1) wiring a helper node (helperNode1)
+     * @param shouldReceive - whether the helper node should receive a payload
+     * @param sendPayload - the payload message we're sending
+     * @param done - callback when done
+     */
+    function customFlowSwitchTest(flow, shouldReceive, sendPayload, done) {
+        helper.load(switchNode, flow, function() {
+            var switchNode1 = helper.getNode("switchNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            helperNode1.on("input", function(msg) {
+                try {
+                    if(shouldReceive === true) {
+                        msg.payload.should.equal(sendPayload);
+                        done();   
+                    } else {
+                        should.fail(null, null, "We should never get an input!");
+                    }
+                } catch(err) {
+                    done(err);
+                }
+            });
+            switchNode1.receive({payload:sendPayload});
+            if(shouldReceive === false) {
+                setTimeout(function() {
+                    done();
+                }, 200);
+            }
+        });
+    }
+    
+    it('should check if payload equals given value', function(done) {
+        genericSwitchTest("eq", "Hello", true, true, "Hello", done);
+    });
+    
+    it('should return nothing when the payload doesn\'t equal to desired string', function(done) {
+        genericSwitchTest("eq", "Hello", true, false, "Hello!", done);
+    });
+    
+    it('should check if payload NOT equals given value', function(done) {
+        genericSwitchTest("neq", "Hello", true, true, "HEllO", done);
+    });
+    
+    it('should return nothing when the payload does equal to desired string', function(done) {
+        genericSwitchTest("neq", "Hello", true, false, "Hello", done);
+    });
+    
+    it('should check if payload equals given numeric value', function(done) {
+        genericSwitchTest("eq", 3, true, true, 3, done);
+    });
+    
+    it('should return nothing when the payload doesn\'t equal to desired numeric value', function(done) {
+        genericSwitchTest("eq", 2, true, false, 4, done);
+    });
+    
+    it('should check if payload NOT equals given numeric value', function(done) {
+        genericSwitchTest("neq", 55667744, true, true, -1234, done);
+    });
+    
+    it('should return nothing when the payload does equal to desired numeric value', function(done) {
+        genericSwitchTest("neq", 10, true, false, 10, done);
+    });
+    
+    it('should check if payload is less than given value', function(done) {
+        genericSwitchTest("lt", 3, true, true, 2, done);
+    });
+    
+    it('should return nothing when the payload is not less than desired string', function(done) {
+        genericSwitchTest("lt", 3, true, false, 4, done);
+    });
+    
+    it('should check if payload less than equals given value', function(done) {
+        genericSwitchTest("lte", 3, true, true, 3, done);
+    });
+    
+    it('should check if payload is greater than given value', function(done) {
+        genericSwitchTest("gt", 3, true, true, 6, done);
+    });
+    
+    it('should return nothing when the payload is not greater than desired string', function(done) {
+        genericSwitchTest("gt", 3, true, false, -1, done);
+    });
+    
+    it('should check if payload is greater than/equals given value', function(done) {
+        genericSwitchTest("gte", 3, true, true, 3, done);
+    });
+    
+    it('should return nothing when the payload is not greater than desired string', function(done) {
+        genericSwitchTest("gt", 3, true, false, -1, done);
+    });
+    
+    it('should check if payload is greater than/equals given value', function(done) {
+        genericSwitchTest("gte", 3, true, true, 3, done);
+    });
+    
+    it('should check if payload is between given values', function(done) {
+        twoFieldSwitchTest("btwn", 3, 5, true, true, 4, done);
+    });
+    
+    it('should check if payload is not between given values', function(done) {
+        twoFieldSwitchTest("btwn", 3, 5, true, false, 12, done);
+    });
+    
+    it('should check if payload contains given value', function(done) {
+        genericSwitchTest("cont", "Hello", true, true, "Hello World!", done);
+    });
+    
+    it('should return nothing when the payload doesn\'t contain desired string', function(done) {
+        genericSwitchTest("cont", "Hello", true, false, "This is not a greeting!", done);
+    });
+    
+    it('should match regex', function(done) {
+        genericSwitchTest("regex", "[abc]+", true, true, "abbabac", done);
+    });
+    
+    it('should return nothing when the payload doesn\'t match regex', function(done) {
+        genericSwitchTest("regex", "\\d+", true, false, "This is not a digit", done);
+    });
+    
+    it('should return nothing when the payload doesn\'t contain desired string', function(done) {
+        genericSwitchTest("cont", "Hello", true, false, "This is not a greeting!", done);
+    });
+    
+    it('should check if input is true', function(done) {
+        singularSwitchTest(true, true, true, true, done);
+    });
+    
+    it('sends nothing when input is false and checking for true', function(done) {
+        singularSwitchTest(true, true, false, false, done);
+    });
+    
+    it('should check if input is indeed false', function(done) {
+        singularSwitchTest(false, true, true, false, done);
+    });
+    
+    it('sends nothing when input is false and checking for true', function(done) {
+        singularSwitchTest(false, true, false, true, done);
+    });
+    
+    it('should check if input is indeed null', function(done) {
+        var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"null"}],checkall:true,outputs:1,wires:[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        
+        
+        helper.load(switchNode, flow, function() {
+            var switchNode1 = helper.getNode("switchNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            helperNode1.on("input", function(msg) {
+                if(msg.payload) {
+                    try {
+                        should.fail(null, null, "msg.payload should be undefined!");   
+                    } catch (err) {
+                        done(err);
+                    }
+                } else {
+                    done();
+                }
+            });
+            switchNode1.receive({payload:undefined});
+        });
+    });
+    
+    it('should check if input is indeed not null', function(done) {
+        var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"nnull"}],checkall:false,outputs:1,wires:[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        
+        
+        helper.load(switchNode, flow, function() {
+            var switchNode1 = helper.getNode("switchNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            helperNode1.on("input", function(msg) {
+                if(msg.payload) {
+                    done();
+                } else {
+                    try {
+                        msg.payload.should.equal("Anything here");
+                    } catch (err) {
+                        done(err);
+                    }
+                }
+            });
+            switchNode1.receive({payload:"Anything here"});
+        });
+    });
+    
+    it('sends a message when the "else/otherwise" statement is selected' , function(done) {
+        singularSwitchTest("else", true, true, 123456, done);
+    });
+    
+    it('handles more than one switch statement' , function(done) {
+        var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"eq","v":"Hello"},{"t":"cont","v":"ello"}, {"t":"else"}],checkall:true,outputs:3,wires:[["helperNode1"], ["helperNode2"], ["helperNode3"]]},
+                    {id:"helperNode1", type:"helper", wires:[]},
+                    {id:"helperNode2", type:"helper", wires:[]},
+                    {id:"helperNode3", type:"helper", wires:[]}];
+        
+        
+        helper.load(switchNode, flow, function() {
+            var switchNode1 = helper.getNode("switchNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            var helperNode2 = helper.getNode("helperNode2");
+            var helperNode3 = helper.getNode("helperNode3");
+            
+            var nodeHitCount = 0;
+            helperNode1.on("input", function(msg) {
+                try {
+                    msg.payload.should.equal("Hello");
+                    nodeHitCount++;
+                } catch (err) {
+                    done(err);
+                }
+            });
+            helperNode2.on("input", function(msg) {
+                try {
+                    msg.payload.should.equal("Hello");
+                    nodeHitCount++;
+                    if(nodeHitCount == 2) {
+                        done();
+                    } else {
+                        try {
+                            should.fail(null, null, "Both statements should be triggered!");   
+                        } catch (err) {
+                            done(err);
+                        }
+                    }
+                } catch (err) {
+                    done(err);
+                }
+            });
+            helperNode3.on("input", function(msg) {
+                try {
+                    should.fail(null, null, "The otherwise/else statement should not be triggered here!");   
+                } catch (err) {
+                    done(err);
+                }
+            });
+            switchNode1.receive({payload:"Hello"});
+        });
+    });
+    
+    it('stops after first statement' , function(done) {
+        var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"eq","v":"Hello"},{"t":"cont","v":"ello"}, {"t":"else"}],checkall:"false",outputs:3,wires:[["helperNode1"], ["helperNode2"], ["helperNode3"]]},
+                    {id:"helperNode1", type:"helper", wires:[]},
+                    {id:"helperNode2", type:"helper", wires:[]},
+                    {id:"helperNode3", type:"helper", wires:[]}];
+        
+        
+        helper.load(switchNode, flow, function() {
+            var switchNode1 = helper.getNode("switchNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            var helperNode2 = helper.getNode("helperNode2");
+            var helperNode3 = helper.getNode("helperNode3");
+            
+            helperNode1.on("input", function(msg) {
+                try {
+                    msg.payload.should.equal("Hello");
+                    done();
+                } catch (err) {
+                    done(err);
+                }
+            });
+            helperNode2.on("input", function(msg) {
+                try {
+                    should.fail(null, null, "The otherwise/else statement should not be triggered here!");   
+                } catch (err) {
+                    done(err);
+                }
+            });
+            helperNode3.on("input", function(msg) {
+                try {
+                    should.fail(null, null, "The otherwise/else statement should not be triggered here!");   
+                } catch (err) {
+                    done(err);
+                }
+            });
+            switchNode1.receive({payload:"Hello"});
+        });
+    });
+    
+});
diff --git a/dgbuilder/test/nodes/core/logic/15-change_spec.js b/dgbuilder/test/nodes/core/logic/15-change_spec.js
new file mode 100644
index 0000000..5072dfc
--- /dev/null
+++ b/dgbuilder/test/nodes/core/logic/15-change_spec.js
@@ -0,0 +1,194 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+
+var changeNode = require("../../../../nodes/core/logic/15-change.js");
+var helper = require("../../helper.js");
+
+describe('ChangeNode', function() {
+    
+    beforeEach(function(done) {
+        helper.startServer(done);
+    });
+    
+    afterEach(function(done) {
+        helper.unload();
+        helper.stopServer(done);
+    });
+
+    it('should be loaded', function(done) {
+        var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"payload","from":"","to":"","reg":false,"name":"changeNode","wires":[[]]}];
+        helper.load(changeNode, flow, function() {
+            var changeNode1 = helper.getNode("changeNode1");
+            changeNode1.should.have.property('name', 'changeNode');
+            done();
+        });
+    });
+    
+    it('sets the value of the message property', function(done) {
+        var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"payload","from":"","to":"changed","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(changeNode, flow, function() {
+            var changeNode1 = helper.getNode("changeNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            helperNode1.on("input", function(msg) {
+                try {
+                    msg.payload.should.equal("changed");
+                    done();
+                } catch(err) {
+                    done(err);
+                }
+            });
+            changeNode1.receive({payload:"changeMe"});
+        });
+    });
+    
+    it('changes the value of the message property', function(done) {
+        var flow = [{"id":"changeNode1","type":"change","action":"change","property":"payload","from":"Hello","to":"Goodbye","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(changeNode, flow, function() {
+            var changeNode1 = helper.getNode("changeNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            helperNode1.on("input", function(msg) {
+                try {
+                    msg.payload.should.equal("Goodbye World!");
+                    done();
+                } catch(err) {
+                    done(err);
+                }
+            });
+            changeNode1.receive({payload:"Hello World!"});
+        });
+    });
+    
+    it('changes the value of the message property based on a regex', function(done) {
+        var flow = [{"id":"changeNode1","type":"change","action":"change","property":"payload","from":"\\d+","to":"NUMBER","reg":true,"name":"changeNode","wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(changeNode, flow, function() {
+            var changeNode1 = helper.getNode("changeNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            helperNode1.on("input", function(msg) {
+                try {
+                    msg.payload.should.equal("Replace all numbers NUMBER and NUMBER");
+                    done();
+                } catch(err) {
+                    done(err);
+                }
+            });
+            changeNode1.receive({payload:"Replace all numbers 12 and 14"});
+        });
+    });
+    
+    it('supports regex groups', function(done) {
+        var flow = [{"id":"changeNode1","type":"change","action":"change","property":"payload","from":"(Hello)","to":"$1-$1-$1","reg":true,"name":"changeNode","wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(changeNode, flow, function() {
+            var changeNode1 = helper.getNode("changeNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            helperNode1.on("input", function(msg) {
+                try {
+                    msg.payload.should.equal("Hello-Hello-Hello World");
+                    done();
+                } catch(err) {
+                    done(err);
+                }
+            });
+            changeNode1.receive({payload:"Hello World"});
+        });
+    });
+    
+    it('Reports invalid regex', function(done) {
+        
+        var sinon = require('sinon');
+        
+        var flow = [{"id":"changeNode1","type":"change","action":"change","property":"payload","from":"\\+**+","to":"NUMBER","reg":true,"name":"changeNode","wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(changeNode, flow, function() {
+            var changeNode1 = helper.getNode("changeNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            
+            sinon.stub(changeNode1, 'error', function(error) {
+                if(error.indexOf("regular expression" > -1)) {
+                    done();
+                } else {
+                    try {
+                        should.fail(null, null, "An error should be reported for an invalid regex");
+                    } catch (err) {
+                        done(err);
+                    }
+                }
+             });
+            changeNode1.receive({payload:"This is irrelevant"});
+        });
+    });
+    
+    it('deletes the value of the message property', function(done) {
+        var flow = [{"id":"changeNode1","type":"change","action":"delete","property":"payload","from":"","to":"","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(changeNode, flow, function() {
+            var changeNode1 = helper.getNode("changeNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            helperNode1.on("input", function(msg) {
+                try {
+                    msg.should.not.have.property('payload');
+                    done();
+                } catch(err) {
+                    done(err);
+                }
+            });
+            changeNode1.receive({payload:"This won't get through!"});
+        });
+    });
+    
+// TODO confirm the behaviour of the change node later,apparently calling eval such that  makeNew( msg, node.property.split("."), eval(node.to) ); is incorrect
+//    it('changes the property name of the message object', function(done) {
+//        var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"payload","from":"","to":"msg.otherProp=10","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
+//                    {id:"helperNode1", type:"helper", wires:[]}];
+//        helper.load(changeNode, flow, function() {
+//            var changeNode1 = helper.getNode("changeNode1");
+//            var helperNode1 = helper.getNode("helperNode1");
+//            helperNode1.on("input", function(msg) {
+//                try {
+//                    msg.otherProp.should.equal(10);
+//                    done();
+//                } catch(err) {
+//                    done(err);
+//                }
+//            });
+//            changeNode1.receive({payload:"changeMe"});
+//        });
+//    });
+    
+    it('splits dot delimited properties into objects', function(done) {
+        var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"pay.load","from":"","to":"10","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(changeNode, flow, function() {
+            var changeNode1 = helper.getNode("changeNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            helperNode1.on("input", function(msg) {
+                try {
+                    msg.pay.load.should.equal("10");
+                    done();
+                } catch(err) {
+                    done(err);
+                }
+            });
+            changeNode1.receive({"pay.load":"changeMe"});
+        });
+    });
+});
+
diff --git a/dgbuilder/test/nodes/core/logic/16-range_spec.js b/dgbuilder/test/nodes/core/logic/16-range_spec.js
new file mode 100644
index 0000000..abb6c64
--- /dev/null
+++ b/dgbuilder/test/nodes/core/logic/16-range_spec.js
@@ -0,0 +1,131 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+
+var rangeNode = require("../../../../nodes/core/logic/16-range.js");
+var helper = require("../../helper.js");
+
+describe('RangeNode', function() {
+    
+    beforeEach(function(done) {
+        helper.startServer(done);
+    });
+    
+    afterEach(function(done) {
+        helper.unload();
+        helper.stopServer(done);
+    });
+
+    it('should be loaded', function(done) {
+        var flow = [{"id":"rangeNode1","type":"range","minin":"0","maxin":"99","minout":"100","maxout":"199","action":"range","round":true,"name":"rangeNode","wires":[[]]}];
+        helper.load(rangeNode, flow, function() {
+            var rangeNode1 = helper.getNode("rangeNode1");
+            rangeNode1.should.have.property('name', 'rangeNode');
+            done();
+        });
+    });
+    
+    /**
+     * Run a generic range test
+     * @param action - scale/clamp (range limit)/roll (modulo): what action to choose
+     * @param minin - map from minimum value
+     * @param maxin - map from maximum value
+     * @param minout - map to minimum value
+     * @param maxout - map to maximum value 
+     * @param round - whether to round the result to the nearest integer
+     * @param aPayload - what payload to send to the range node
+     * @param expectedResult - what result we're expecting
+     * @param done - the callback to call when test done
+     */
+    function genericRangeTest(action, minin, maxin, minout, maxout, round, aPayload, expectedResult, done) {
+        var flow = [{"id":"rangeNode1","type":"range","minin":minin,"maxin":maxin,"minout":minout,"maxout":maxout,"action":action,"round":round,"name":"rangeNode","wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(rangeNode, flow, function() {
+            var rangeNode1 = helper.getNode("rangeNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            helperNode1.on("input", function(msg) {
+                try {
+                    msg.payload.should.equal(expectedResult);
+                    done();
+                } catch(err) {
+                    done(err);
+                }
+            });
+            rangeNode1.receive({payload:aPayload});
+        });
+    }
+    
+    it('ranges numbers up tenfold', function(done) {
+        genericRangeTest("scale", 0, 100, 0, 1000, false, 50, 500, done);
+    });
+    
+    it('ranges numbers down such as centimetres to metres', function(done) {
+        genericRangeTest("scale", 0, 100, 0, 1, false, 55, 0.55, done);
+    });
+    
+    it('wraps numbers down say for degree/rotation reading 1/2', function(done) {
+        genericRangeTest("roll", 0, 10, 0, 360, true, 15, 180, done); // 1/2 around wrap => "one and a half turns"
+    });
+    
+    it('wraps numbers around say for degree/rotation reading 1/3', function(done) {
+        genericRangeTest("roll", 0, 10, 0, 360, true, 13.3333, 120, done); // 1/3 around wrap => "one and a third turns"
+    });
+    
+    it('wraps numbers around say for degree/rotation reading 1/4', function(done) {
+        genericRangeTest("roll", 0, 10, 0, 360, true, 12.5, 90, done); // 1/4 around wrap => "one and a quarter turns"
+    });
+    
+    it('wraps numbers around say for degree/rotation reading 1/4', function(done) {
+        genericRangeTest("roll", 0, 10, 0, 360, true, 12.5, 90, done); // 1/4 around wrap => "one and a quarter turns"
+    });
+    
+    it('wraps numbers down say for degree/rotation reading 1/4', function(done) {
+        genericRangeTest("roll", 0, 10, 0, 360, true, -12.5, 270, done); // 1/4 backwards wrap => "one and a quarter turns backwards"
+    });
+    
+    it('clamps numbers within a range - over max', function(done) {
+        genericRangeTest("clamp", 0, 10, 0, 1000, false, 111, 1000, done);
+    });
+    
+    it('clamps numbers within a range - below min', function(done) {
+        genericRangeTest("clamp", 0, 10, 0, 1000, false, -1, 0, done);
+    });
+    
+    it('reports if input is not a number', function(done) {
+        var flow = [{"id":"rangeNode1","type":"range","minin":0,"maxin":0,"minout":0,"maxout":0,"action":"scale","round":true,"name":"rangeNode","wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(rangeNode, flow, function() {
+            var rangeNode1 = helper.getNode("rangeNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            
+            var sinon = require('sinon');
+            sinon.stub(rangeNode1, 'log', function(log) {
+                if(log.indexOf("Not a number") > -1) {
+                    done();
+                } else {
+                    try {
+                        should.fail(null, null, "Non-number inputs should be reported!");   
+                    } catch (err) {
+                        done(err);
+                    }
+                }
+            });
+            
+            rangeNode1.receive({payload:"NOT A NUMBER"});
+        });
+    });
+});
diff --git a/dgbuilder/test/nodes/core/parsers/70-HTML_spec.js b/dgbuilder/test/nodes/core/parsers/70-HTML_spec.js
new file mode 100644
index 0000000..e7e4cbb
--- /dev/null
+++ b/dgbuilder/test/nodes/core/parsers/70-HTML_spec.js
@@ -0,0 +1,211 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var sinon = require("sinon");
+var path = require("path");
+var fs = require('fs-extra');
+
+var htmlNode = require("../../../../nodes/core/parsers/70-HTML.js");
+var helper = require("../../helper.js");
+
+describe('html node', function() {
+
+    var resourcesDir = __dirname+ path.sep + ".." + path.sep + ".." + path.sep + ".." + path.sep + "resources" + path.sep;
+    var file = path.join(resourcesDir, "70-HTML-test-file.html");
+    
+    before(function(done) {
+        helper.startServer(done);   
+    });
+
+    beforeEach(function() {
+        fs.existsSync(file).should.be.true;
+    });
+    
+    afterEach(function() {
+        helper.unload();
+    });
+  
+    it('should be loaded', function(done) {
+        var flow = [{id:"htmlNode1", type:"html", name: "htmlNode" }];
+        helper.load(htmlNode, flow, function() {
+            var htmlNode1 = helper.getNode("htmlNode1");
+            htmlNode1.should.have.property('name', 'htmlNode');
+            done();
+        });
+    });
+
+    it('should retrieve header contents as default', function(done) {
+        fs.readFile(file, 'utf8', function(err, data) {
+            var flow = [{id:"n1",type:"html",wires:[["n2"]],func:"return msg;"},
+                        {id:"n2", type:"helper"}];
+            
+            helper.load(htmlNode, flow, function() {
+                var n1 = helper.getNode("n1");
+                var n2 = helper.getNode("n2");
+                n2.on("input", function(msg) {
+                    msg.should.have.property('topic', 'bar');
+                    should.equal(msg.payload, 'This is a test page for node 70-HTML');
+                    done();
+                });
+                n1.receive({payload:data,topic: "bar"});
+            });          
+        });
+    });
+    
+    it('should retrieve paragraph contents when specified', function(done) {
+        fs.readFile(file, 'utf8', function(err, data) {
+            var flow = [{id:"n1",type:"html",wires:[["n2"]],ret:"text",tag:"p"},
+                        {id:"n2", type:"helper"}];
+            
+            helper.load(htmlNode, flow, function() {
+                var n1 = helper.getNode("n1");
+                var n2 = helper.getNode("n2");
+                n2.on("input", function(msg) {
+                    msg.should.have.property('topic', 'bar');
+                    should.equal(msg.payload, 'There\'s nothing to read here.');
+                    done();
+                });
+                n1.receive({payload:data,topic: "bar"});
+            });          
+        });
+    });
+    
+    it('should retrieve list contents as an array of html as default', function(done) {
+        fs.readFile(file, 'utf8', function(err, data) {
+            var flow = [{id:"n1",type:"html",wires:[["n2"]],tag:"ol"},
+                        {id:"n2", type:"helper"}];
+            
+            helper.load(htmlNode, flow, function() {
+                var n1 = helper.getNode("n1");
+                var n2 = helper.getNode("n2");
+                n2.on("input", function(msg) {
+                    msg.should.have.property('topic', 'bar');
+                    msg.payload[0].indexOf("<li>Blue</li>").should.be.above(-1);
+                    msg.payload[0].indexOf("<li>Red</li>").should.be.above(-1);
+                    done();
+                });
+                n1.receive({payload:data,topic: "bar"});
+            });          
+        });
+    });
+
+    it('should retrieve list contents as an array of text', function(done) {
+        fs.readFile(file, 'utf8', function(err, data) {
+            var flow = [{id:"n1",type:"html",wires:[["n2"]],tag:"ol",ret:"text"},
+                        {id:"n2", type:"helper"}];
+            
+            helper.load(htmlNode, flow, function() {
+                var n1 = helper.getNode("n1");
+                var n2 = helper.getNode("n2");
+                n2.on("input", function(msg) {
+                    msg.should.have.property('topic', 'bar');
+                    msg.payload.should.be.instanceof(Array).and.have.lengthOf(1);
+                    msg.payload[0].indexOf("Blue").should.be.above(-1);
+                    msg.payload[0].indexOf("Red").should.be.above(-1);
+                    done();
+                });
+                n1.receive({payload:data,topic: "bar"});
+            });          
+        });
+    });
+
+    it('should log on error', function(done) {
+        fs.readFile(file,function(err, data) {
+            var flow = [{id:"n1",type:"html",wires:[["n2"]],tag:"p"},
+                        {id:"n2", type:"helper"}];
+            
+            helper.load(htmlNode, flow, function() {
+                var n1 = helper.getNode("n1");
+                var n2 = helper.getNode("n2");
+                n1.on("log", function(msg) {
+                    msg.should.have.property('msg');
+                    msg.msg.indexOf("Error:").should.be.above(-1);
+                    msg.msg.should.startWith("Error:");
+                    done();
+                });
+                n1.receive({payload:null,topic: "bar"});
+            });          
+        });
+    });
+    
+    describe('multiple messages', function(){
+        var cnt = 0;
+        
+        afterEach(function() {
+            cnt.should.be.exactly(2);
+            cnt = 0;
+        });
+        
+        it('should retrieve list contents as html as default with output as multiple msgs ', function(done) {
+            fs.readFile(file, 'utf8', function(err, data) {
+                var flow = [{id:"n1",type:"html",wires:[["n2"]],tag:"ul",as:"multi"},
+                            {id:"n2", type:"helper"}];
+                
+                helper.load(htmlNode, flow, function() {
+                    var n1 = helper.getNode("n1");
+                    var n2 = helper.getNode("n2");
+                    n2.on("input", function(msg) {
+                        cnt++;
+                        msg.should.have.property('topic', 'bar');
+                        if (cnt !== 1 && cnt !== 2) {
+                            return false;
+                        }
+                        if (cnt === 1) {
+                            msg.payload.indexOf("<li>Apple</li>").should.be.above(-1);
+                            msg.payload.indexOf("<li>Pear</li>").should.be.above(-1);     
+                        } else if (cnt === 2) {
+                            msg.payload.indexOf("<li>Potato</li>").should.be.above(-1);
+                            msg.payload.indexOf("<li>Parsnip</li>").should.be.above(-1);
+                            done();
+                        } 
+                    });
+                    n1.receive({payload:data,topic: "bar"});
+                });   
+            });
+        });    
+        
+        it('should retrieve list contents as text with output as multiple msgs ', function(done) {
+            fs.readFile(file, 'utf8', function(err, data) {
+                var flow = [{id:"n1",type:"html",wires:[["n2"]],tag:"ul",ret:"text",as:"multi"},
+                            {id:"n2", type:"helper"}];
+                
+                helper.load(htmlNode, flow, function() {
+                    var n1 = helper.getNode("n1");
+                    var n2 = helper.getNode("n2");
+                    n2.on("input", function(msg) {
+                        cnt++;
+                        msg.should.have.property('topic', 'bar');
+                        if (cnt !== 1 && cnt !== 2) {
+                            return false;
+                        }
+                        if (cnt === 1) {
+                            msg.payload.indexOf("Apple").should.be.above(-1);
+                            msg.payload.indexOf("Pear").should.be.above(-1);     
+                        } else if (cnt === 2) {
+                            msg.payload.indexOf("Potato").should.be.above(-1);
+                            msg.payload.indexOf("Parsnip").should.be.above(-1);
+                            done();
+                        } 
+                    });
+                    n1.receive({payload:data,topic: "bar"});
+                });          
+            });
+        });
+        
+    });
+ 
+});
diff --git a/dgbuilder/test/nodes/core/parsers/70-JSON_spec.js b/dgbuilder/test/nodes/core/parsers/70-JSON_spec.js
new file mode 100644
index 0000000..b2ebe71
--- /dev/null
+++ b/dgbuilder/test/nodes/core/parsers/70-JSON_spec.js
@@ -0,0 +1,104 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var jsonNode = require("../../../../nodes/core/parsers/70-JSON.js");
+var helper = require("../../helper.js");
+
+describe('JSON node', function() {
+
+    before(function(done) {
+        helper.startServer(done);
+    });
+    
+    afterEach(function() {
+        helper.unload();
+    });
+
+    it('should be loaded', function(done) {
+        var flow = [{id:"jsonNode1", type:"json", name: "jsonNode" }];
+        helper.load(jsonNode, flow, function() {
+            var jsonNode1 = helper.getNode("jsonNode1");
+            jsonNode1.should.have.property('name', 'jsonNode');
+            done();
+        });
+    });
+
+    it('should convert a valid json string to a javascript object', function(done) {
+        var flow = [{id:"jn1",type:"json",wires:[["jn2"]],func:"return msg;"},
+                    {id:"jn2", type:"helper"}];
+        helper.load(jsonNode, flow, function() {
+            var jn1 = helper.getNode("jn1");
+            var jn2 = helper.getNode("jn2");
+            jn2.on("input", function(msg) {
+                msg.should.have.property('topic', 'bar');
+                msg.payload.should.have.property('employees');
+                msg.payload.employees[0].should.have.property('firstName', 'John');
+                msg.payload.employees[0].should.have.property('lastName', 'Smith');
+                done();
+            });
+            var jsonString = '{"employees":[{"firstName":"John", "lastName":"Smith"}]}';
+            jn1.receive({payload:jsonString,topic: "bar"});
+        });
+    });
+    
+    it('should convert a javascript object to a json string', function(done) {
+        var flow = [{id:"jn1",type:"json",wires:[["jn2"]],func:"return msg;"},
+                    {id:"jn2", type:"helper"}];
+        helper.load(jsonNode, flow, function() {
+            var jn1 = helper.getNode("jn1");
+            var jn2 = helper.getNode("jn2");
+            jn2.on("input", function(msg) {
+                msg.should.have.property('topic', 'bar');
+                should.equal(msg.payload, '{"employees":[{"firstName":"John","lastName":"Smith"}]}');
+                done();
+            });
+            var obj = {employees:[{firstName:"John", lastName:"Smith"}]};
+            jn1.receive({payload:obj,topic: "bar"});
+        });
+    });
+
+    it('should log an error if asked to parse an invalid json string', function(done) {
+        var flow = [{id:"jn1",type:"json",wires:[["jn2"]],func:"return msg;"},
+                    {id:"jn2", type:"helper"}];
+        helper.load(jsonNode, flow, function() {
+            var jn1 = helper.getNode("jn1");
+            var jn2 = helper.getNode("jn2");
+            jn1.on("log", function(msg) {
+                msg.should.have.property('msg');
+                should.deepEqual("SyntaxError: Unexpected token o"+ "\nfoo", msg.msg);
+                done();
+            });
+            jn1.receive({payload:'foo',topic: "bar"});
+        });
+    });
+    
+    it('should log an error if asked to parse something thats not json or js', function(done) {
+        var flow = [{id:"jn1",type:"json",wires:[["jn2"]],func:"return msg;"},
+                    {id:"jn2", type:"helper"}];
+        helper.load(jsonNode, flow, function() {
+            var jn1 = helper.getNode("jn1");
+            var jn2 = helper.getNode("jn2");
+            jn1.on("log", function(msg) {
+                msg.should.have.property('msg');
+                should.deepEqual("dropped: 1", msg.msg);
+                done();
+            });
+            jn1.receive({payload:1,topic: "bar"});
+        });
+    });
+    
+});
diff --git a/dgbuilder/test/nodes/core/parsers/70-XML_spec.js b/dgbuilder/test/nodes/core/parsers/70-XML_spec.js
new file mode 100644
index 0000000..8bf269d
--- /dev/null
+++ b/dgbuilder/test/nodes/core/parsers/70-XML_spec.js
@@ -0,0 +1,107 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var xmlNode = require("../../../../nodes/core/parsers/70-XML.js");
+var helper = require("../../helper.js");
+
+describe('XML node', function() {
+
+    before(function(done) {
+        helper.startServer(done);   
+    });
+
+    afterEach(function() {
+        helper.unload();
+    });
+    
+    it('should be loaded', function(done) {
+        var flow = [{id:"xmlNode1", type:"xml", name: "xmlNode" }];
+        helper.load(xmlNode, flow, function() {
+            var xmlNode1 = helper.getNode("xmlNode1");
+            xmlNode1.should.have.property('name', 'xmlNode');
+            done();
+        });
+    });
+
+    it('should convert a valid xml string to a javascript object', function(done) {
+        var flow = [{id:"n1",type:"xml",wires:[["n2"]],func:"return msg;"},
+                    {id:"n2", type:"helper"}];
+        helper.load(xmlNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            var n2 = helper.getNode("n2");
+            n2.on("input", function(msg) {
+                msg.should.have.property('topic', 'bar');
+                msg.payload.should.have.property('employees');
+                msg.payload.employees.should.have.property('firstName');
+                should.equal(msg.payload.employees.firstName[0], 'John');
+                msg.payload.employees.should.have.property('lastName');
+                should.equal(msg.payload.employees.lastName[0], 'Smith');
+                done();
+            });
+            var string = '<employees><firstName>John</firstName><lastName>Smith</lastName></employees>';
+            n1.receive({payload:string,topic: "bar"});
+        });
+    });
+   
+    it('should convert a javascript object to an xml string', function(done) {
+        var flow = [{id:"n1",type:"xml",wires:[["n2"]],func:"return msg;"},
+                    {id:"n2", type:"helper"}];
+        helper.load(xmlNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            var n2 = helper.getNode("n2");
+            n2.on("input", function(msg) {
+                msg.should.have.property('topic', 'bar');
+                console.log(msg.payload);
+                var index = msg.payload.indexOf('<employees><firstName>John</firstName><lastName>Smith</lastName></employees>');
+                index.should.be.above(-1);
+                done();
+            });
+            var obj = {"employees":{"firstName":["John"],"lastName":["Smith"] }};
+            n1.receive({payload:obj,topic: "bar"});
+        });
+    });
+    
+    it('should log an error if asked to parse an invalid xml string', function(done) {
+        var flow = [{id:"n1",type:"xml",wires:[["n2"]],func:"return msg;"},
+                    {id:"n2", type:"helper"}];
+        helper.load(xmlNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            var n2 = helper.getNode("n2");
+            n1.on("log", function(msg) {
+                should.deepEqual("error", msg.level);
+                done();
+            });
+            n1.receive({payload:'<not valid xml>',topic: "bar"});
+        });
+    });
+    
+    it('should log an error if asked to parse something thats not xml or js', function(done) {
+        var flow = [{id:"n1",type:"xml",wires:[["n2"]],func:"return msg;"},
+                    {id:"n2", type:"helper"}];
+        helper.load(xmlNode, flow, function() {
+            var n1 = helper.getNode("n1");
+            var n2 = helper.getNode("n2");
+            n1.on("log", function(msg) {
+                msg.should.have.property('msg');
+                should.deepEqual("This node only handles xml strings or js objects.", msg.msg);
+                done();
+            });
+            n1.receive({payload:1,topic: "bar"});
+        });
+    });
+
+});
diff --git a/dgbuilder/test/nodes/core/storage/28-tail_spec.js b/dgbuilder/test/nodes/core/storage/28-tail_spec.js
new file mode 100644
index 0000000..0612457
--- /dev/null
+++ b/dgbuilder/test/nodes/core/storage/28-tail_spec.js
@@ -0,0 +1,165 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var path = require('path');
+var fs = require('fs-extra');
+var mkdirp = require('mkdirp');
+
+var tailNode = require("../../../../nodes/core/storage/28-tail.js");
+var helper = require("../../helper.js");
+
+describe('TailNode', function() {
+
+    var resourcesDir = path.join(__dirname,"..","..","..","resources");
+    var fileToTail = path.join(resourcesDir,"28-tail-test-file.txt");
+
+    beforeEach(function(done) {
+        fs.writeFileSync(fileToTail, "Tail message line 1\nTail message line 2\n");
+        helper.startServer(done);
+    });
+
+    afterEach(function(done) {
+        helper.unload().then(function() {
+            fs.unlinkSync(fileToTail);
+            helper.stopServer(done);
+        });
+    });
+
+    it('should be loaded', function(done) {
+        var flow = [{id:"tailNode1", type:"tail", name: "tailNode", "split":true, "filename":fileToTail}];
+        helper.load(tailNode, flow, function() {
+            var tailNode1 = helper.getNode("tailNode1");
+            tailNode1.should.have.property('name', 'tailNode');
+            done();
+        });
+    });
+
+    it('tail should tail a file', function(done) {
+        var flow = [{id:"tailNode1", type:"tail", name: "tailNode", "split":true, "filename":fileToTail, "wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(tailNode, flow, function() {
+            var tailNode1 = helper.getNode("tailNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            var inputCounter = 0;
+            helperNode1.on("input", function(msg) {
+                //console.log(msg);
+                msg.should.have.property('topic', fileToTail);
+                msg.payload.should.equal("Tail message line " + (++inputCounter + 2));
+                if (inputCounter === 2) {
+                    done();
+                }
+            });
+            setTimeout( function() {
+                fs.appendFileSync(fileToTail, "Tail message line 3\n");
+                fs.appendFileSync(fileToTail, "Tail message line 4\n");
+            },100);
+        });
+    });
+
+    it('tail should work in non-split mode', function(done) {
+        var flow = [{id:"tailNode1", type:"tail", name: "tailNode", "split":false, "filename":fileToTail, "wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(tailNode, flow, function() {
+            var tailNode1 = helper.getNode("tailNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            helperNode1.on("input", function(msg) {
+                //console.log(msg);
+                msg.should.have.property('topic', fileToTail);
+                msg.payload.should.equal("Tail message line 5\nTail message line 6\n");
+                done();
+            });
+            setTimeout( function() {
+                fs.appendFileSync(fileToTail, "Tail message line 5\nTail message line 6\n");
+            },150);
+        });
+    });
+
+    it('tail should handle a non-existent file', function(done) {
+        fs.unlinkSync(fileToTail);
+        var flow = [{id:"tailNode1", type:"tail", name: "tailNode", "split":true, "filename":fileToTail, "wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(tailNode, flow, function() {
+            var tailNode1 = helper.getNode("tailNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            helperNode1.on("input", function(msg) {
+                msg.should.have.property('topic', fileToTail);
+                msg.payload.should.equal("Tail message line");
+                done();
+            });
+            setTimeout( function() {
+                fs.writeFileSync(fileToTail, "Tail message line\n");
+            },150);
+        });
+    });
+    /*
+    it('tail should handle file truncation', function(done) {
+        var flow = [{id:"tailNode1", type:"tail", name: "tailNode", "split":true, "filename":fileToTail, "wires":[["helperNode1"]]},
+                    {id:"helperNode1", type:"helper", wires:[]}];
+        helper.load(tailNode, flow, function() {
+            var tailNode1 = helper.getNode("tailNode1");
+            var helperNode1 = helper.getNode("helperNode1");
+            var inputCounter = 0;
+            var warned = false;
+            tailNode1.on("log", function(msg) {
+                if (msg.level == "warn") { warned = true; }
+            });
+            helperNode1.on("input", function(msg) {
+                console.log("inputCounter =",inputCounter);
+                console.log(msg);
+                msg.should.have.property('topic', fileToTail);
+                inputCounter++;
+                if (inputCounter === 1) {
+                    warned.should.be.false;
+                    msg.payload.should.equal("Tail message line append");
+                } else if (inputCounter === 2) {
+                    msg.payload.should.equal("Tail message line truncate");
+                } else {
+                    msg.payload.should.equal("Tail message line append "+inputCounter);
+                }
+                
+                if (inputCounter === 5) {
+                    setTimeout(function() {
+                        warned.should.be.true;
+                        done();
+                    },100);
+                }
+            });
+            var actions = [
+                function() { fs.appendFileSync(fileToTail, "Tail message line append\n");},
+                function() { fs.writeFileSync(fileToTail, "Tail message line truncate\n");},
+                function() { fs.appendFileSync(fileToTail, "Tail message line append 3\n");},
+                function() { fs.appendFileSync(fileToTail, "Tail message line append 4\n");},
+                function() { fs.appendFileSync(fileToTail, "Tail message line append 5\n");}
+            ];
+            
+            function processAction() {
+                var action = actions.shift();
+                action();
+                if (actions.length > 0) {
+                    setTimeout(function() {
+                        processAction();
+                    },250);
+                }
+            }
+            setTimeout( function() {
+                processAction();
+            },150);
+        });
+    });
+    */
+
+});
diff --git a/dgbuilder/test/nodes/helper.js b/dgbuilder/test/nodes/helper.js
new file mode 100644
index 0000000..9b371ca
--- /dev/null
+++ b/dgbuilder/test/nodes/helper.js
@@ -0,0 +1,128 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var when = require("when");
+var request = require('supertest');
+var nock;
+if (!process.version.match(/^v0\.[0-9]\./)) {
+    // only set nock for node >= 0.10
+    try {
+        nock = require('nock');
+    } catch (err) {
+        // nevermind, will skip nock tests
+        nock = null;
+    }
+}
+var RED = require("../../red/red.js");
+var redNodes = require("../../red/nodes");
+var flows = require("../../red/nodes/flows");
+var credentials = require("../../red/nodes/credentials");
+var comms = require("../../red/comms.js");
+
+var http = require('http');
+var express = require('express');
+var app = express();
+
+var address = '127.0.0.1';
+var listenPort = 0; // use ephemeral port
+var port;
+var url;
+
+var server;
+
+function helperNode(n) {
+    RED.nodes.createNode(this, n);
+}
+
+module.exports = {
+    load: function(testNode, testFlows, testCredentials, cb) {
+        if (typeof testCredentials === 'function') {
+            cb = testCredentials;
+            testCredentials = {};
+        }
+
+        var storage = {
+            getFlows: function() {
+                var defer = when.defer();
+                defer.resolve(testFlows);
+                return defer.promise;
+            },
+            getCredentials: function() {
+                var defer = when.defer();
+                defer.resolve(testCredentials);
+                return defer.promise;
+            },
+            saveCredentials: function() {
+                // do nothing
+            },
+        };
+        var settings = {
+            available: function() { return false; }
+        };
+
+        redNodes.init(settings, storage);
+        credentials.init(storage);
+        RED.nodes.registerType("helper", helperNode);
+        testNode(RED);
+        flows.load().then(function() {
+            should.deepEqual(testFlows, flows.getFlows());
+            cb();
+        });
+    },
+    unload: function() {
+        // TODO: any other state to remove between tests?
+        redNodes.clearRegistry();
+        return flows.stopFlows();
+    },
+
+    getNode: function(id) {
+        return flows.get(id);
+    },
+
+    credentials: credentials,
+
+    clearFlows: function() {
+        return flows.clear();
+    },
+
+    request: function() {
+        return request(RED.httpAdmin);
+    },
+
+    startServer: function(done) {
+        server = http.createServer(function(req,res){app(req,res);});
+        RED.init(server, {});
+        server.listen(listenPort, address);
+        server.on('listening', function() {
+            port = server.address().port;
+            url = 'http://' + address + ':' + port;
+            comms.start();
+            done();
+        });
+    },
+    //TODO consider saving TCP handshake/server reinit on start/stop/start sequences
+    stopServer: function(done) {
+        if(server) {
+            server.close(done);
+        }
+    },
+
+    url: function() { return url; },
+
+    nock: nock,
+
+};
diff --git a/dgbuilder/test/red/cli/lib/config_spec.js b/dgbuilder/test/red/cli/lib/config_spec.js
new file mode 100644
index 0000000..68e960a
--- /dev/null
+++ b/dgbuilder/test/red/cli/lib/config_spec.js
@@ -0,0 +1,53 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+ 
+var should = require("should");
+var sinon = require("sinon");
+var fs = require("fs");
+
+var config = require("../../../../red/cli/lib/config");
+
+describe("cli config", function() {
+    afterEach(function() {
+        config.unload();
+    });
+    it('loads preferences when target referenced', sinon.test(function() {
+        this.stub(fs,"readFileSync",function() {
+            return '{"target":"http://example.com:1880"}'
+        });
+        config.target.should.eql("http://example.com:1880");
+    }));
+    it('provide default value for target', sinon.test(function() {
+        this.stub(fs,"readFileSync",function() {
+            return '{}'
+        });
+        config.target.should.eql("http://localhost:1880");
+    }));
+    it('saves preferences when target set', sinon.test(function() {
+        this.stub(fs,"readFileSync",function() {
+            return '{"target":"http://another.example.com:1880"}'
+        });
+        this.stub(fs,"writeFileSync",function() {});
+        
+        config.target.should.eql("http://another.example.com:1880");
+        config.target = "http://final.example.com:1880";
+        
+        fs.readFileSync.calledOnce.should.be.true;
+        fs.writeFileSync.calledOnce.should.be.true;
+        
+    }));
+        
+});
\ No newline at end of file
diff --git a/dgbuilder/test/red/cli/lib/request_spec.js b/dgbuilder/test/red/cli/lib/request_spec.js
new file mode 100644
index 0000000..7d2b5ac
--- /dev/null
+++ b/dgbuilder/test/red/cli/lib/request_spec.js
@@ -0,0 +1,46 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+ 
+var should = require("should");
+var sinon = require("sinon");
+var fs = require("fs");
+var request = require("request");
+
+var apiRequest = require("../../../../red/cli/lib/request");
+var config = require("../../../../red/cli/lib/config");
+
+describe("cli request", function() {
+    var sandbox = sinon.sandbox.create();
+    before(function() {
+        sandbox.stub(fs,"readFileSync",function() {
+            return '{"target":"http://example.com:1880"}'
+        });
+    });
+    after(function() {
+        sandbox.restore();
+    });
+                
+    it('returns the json response to a get', sinon.test(function(done) {
+        this.stub(request, 'get').yields(null, {statusCode:200}, JSON.stringify({a: "b"}));
+            
+        apiRequest("/foo",{}).then(function(res) {
+            res.should.eql({a:"b"});
+            done();
+        }).otherwise(function(err) {
+            done(err);
+        });
+    }));
+});
\ No newline at end of file
diff --git a/dgbuilder/test/red/cli/nr-cli_spec.js b/dgbuilder/test/red/cli/nr-cli_spec.js
new file mode 100644
index 0000000..59a5c64
--- /dev/null
+++ b/dgbuilder/test/red/cli/nr-cli_spec.js
@@ -0,0 +1,15 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
\ No newline at end of file
diff --git a/dgbuilder/test/red/comms_spec.js b/dgbuilder/test/red/comms_spec.js
new file mode 100644
index 0000000..dce4d83
--- /dev/null
+++ b/dgbuilder/test/red/comms_spec.js
@@ -0,0 +1,189 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var http = require('http');
+var express = require('express');
+var app = express();
+var WebSocket = require('ws');
+
+var comms = require("../../red/comms.js");
+var address = '127.0.0.1';
+var listenPort = 0; // use ephemeral port
+
+describe("comms", function() {
+    describe("with default keepalive", function() {
+        var server;
+        var url;
+        var port;
+        before(function(done) {
+            server = http.createServer(function(req,res){app(req,res)});
+            comms.init(server, {});
+            server.listen(listenPort, address);
+            server.on('listening', function() {
+                port = server.address().port;
+                url = 'http://' + address + ':' + port + '/comms';
+                comms.start();
+                done();
+            });
+        });
+        
+        after(function() {
+            comms.stop();
+        });
+    
+        it('accepts connection', function(done) {
+            var ws = new WebSocket(url);
+            ws.on('open', function() {
+                ws.close();
+                done();
+            });
+        });
+    
+        it('publishes message after subscription', function(done) {
+            var ws = new WebSocket(url);
+            ws.on('open', function() {
+                ws.send('{"subscribe":"topic1"}');
+                comms.publish('topic1', 'foo');
+            });
+            ws.on('message', function(msg) {
+                msg.should.equal('{"topic":"topic1","data":"foo"}');
+                ws.close();
+                done();
+            });
+        });
+    
+        it('publishes retained message for subscription', function(done) {
+            comms.publish('topic2', 'bar', true);
+            var ws = new WebSocket(url);
+            ws.on('open', function() {
+                ws.send('{"subscribe":"topic2"}');
+            });
+            ws.on('message', function(msg) {
+                msg.should.equal('{"topic":"topic2","data":"bar"}');
+                ws.close();
+                done();
+            });
+        });
+    
+        it('retained message is deleted by non-retained message', function(done) {
+            comms.publish('topic3', 'retained', true);
+            comms.publish('topic3', 'non-retained');
+            var ws = new WebSocket(url);
+            ws.on('open', function() {
+                ws.send('{"subscribe":"topic3"}');
+                comms.publish('topic3', 'new');
+            });
+            ws.on('message', function(msg) {
+                msg.should.equal('{"topic":"topic3","data":"new"}');
+                ws.close();
+                done();
+            });
+        });
+    
+        it('malformed messages are ignored',function(done) {
+            var ws = new WebSocket(url);
+            ws.on('open', function() {
+                ws.send('not json');
+                ws.send('[]');
+                ws.send('{"subscribe":"topic3"}');
+                comms.publish('topic3', 'correct');
+            });
+            ws.on('message', function(msg) {
+                msg.should.equal('{"topic":"topic3","data":"correct"}');
+                ws.close();
+                done();
+            });
+        });
+    
+        // The following test currently fails due to minimum viable
+        // implementation. More test should be written to test topic
+        // matching once this one is passing
+    
+        if (0) {
+            it('receives message on correct topic', function(done) {
+                var ws = new WebSocket(url);
+                ws.on('open', function() {
+                    ws.send('{"subscribe":"topic4"}');
+                    comms.publish('topic5', 'foo');
+                    comms.publish('topic4', 'bar');
+                });
+                ws.on('message', function(msg) {
+                    msg.should.equal('{"topic":"topic4","data":"bar"}');
+                    ws.close();
+                    done();
+                });
+            });
+        }
+    });
+
+    describe("keep alives", function() {
+        var server;
+        var url;
+        var port;
+        before(function(done) {
+            server = http.createServer(function(req,res){app(req,res)});
+            comms.init(server, {webSocketKeepAliveTime: 100});
+            server.listen(listenPort, address);
+            server.on('listening', function() {
+                port = server.address().port;
+                url = 'http://' + address + ':' + port + '/comms';
+                comms.start();
+                done();
+            });
+        });
+        after(function() {
+            comms.stop();
+        });
+        it('are sent', function(done) {
+            var ws = new WebSocket(url);
+            var count = 0;
+            ws.on('message', function(data) {
+                var msg = JSON.parse(data);
+                msg.should.have.property('topic','hb');
+                msg.should.have.property('data').be.a.Number;
+                count++;
+                if (count == 3) {
+                    ws.close();
+                    done();
+                }
+            });
+        });
+        it('are not sent if other messages are sent', function(done) {
+            var ws = new WebSocket(url);
+            var count = 0;
+            var interval;
+            ws.on('open', function() {
+                ws.send('{"subscribe":"foo"}');
+                interval = setInterval(function() {
+                    comms.publish('foo', 'bar');
+                }, 50);
+            });
+            ws.on('message', function(data) {
+                var msg = JSON.parse(data);
+                msg.should.have.property('topic', 'foo');
+                msg.should.have.property('data', 'bar');
+                count++;
+                if (count == 5) {
+                    clearInterval(interval);
+                    ws.close();
+                    done();
+                }
+            });
+        });
+    });
+
+});
diff --git a/dgbuilder/test/red/events_spec.js b/dgbuilder/test/red/events_spec.js
new file mode 100644
index 0000000..2475926
--- /dev/null
+++ b/dgbuilder/test/red/events_spec.js
@@ -0,0 +1,22 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+var should = require("should");
+
+describe("red/events", function() {
+    it('can be required without errors', function() {
+        require("../../red/events");
+    });
+});
diff --git a/dgbuilder/test/red/library_spec.js b/dgbuilder/test/red/library_spec.js
new file mode 100644
index 0000000..5225528
--- /dev/null
+++ b/dgbuilder/test/red/library_spec.js
@@ -0,0 +1,237 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var sinon = require('sinon');
+var request = require('supertest');
+var http = require('http');
+var express = require('express');
+
+var fs = require('fs-extra');
+var path = require('path');
+var when = require('when');
+
+var app = express();
+var RED = require("../../red/red.js");
+var server = require("../../red/server.js");
+var nodes = require("../../red/nodes");
+
+describe("library", function() {
+    var userDir = path.join(__dirname,".testUserHome");
+    before(function(done) {
+        fs.remove(userDir,function(err) {
+            fs.mkdir(userDir,function() {
+                sinon.stub(nodes, 'load', function() {
+                    return when.promise(function(resolve,reject){
+                        resolve([]);
+                    });
+                });
+                RED.init(http.createServer(function(req,res){app(req,res)}),
+                         {userDir: userDir});
+                server.start().then(function () { done(); });
+            });
+        });
+    });
+
+    after(function(done) {
+        fs.remove(userDir,done);
+        server.stop();
+        nodes.load.restore();
+    });
+
+    afterEach(function(done) {
+        fs.remove(userDir,function(err) {
+            fs.mkdir(userDir,done);
+        });
+    });
+
+    describe("flows", function() {
+        it('returns empty result', function(done) {
+            request(RED.httpAdmin)
+                .get('/library/flows')
+                .expect(200)
+                .end(function(err,res) {
+                    if (err) {
+                        throw err;
+                    }
+                    res.body.should.not.have.property('f');
+                    done();
+                });
+        });
+
+        it('returns 404 for non-existent entry', function(done) {
+            request(RED.httpAdmin)
+                .get('/library/flows/foo')
+                .expect(404)
+                .end(done);
+        });
+
+        it('can store and retrieve item', function(done) {
+            var flow = '[]';
+            request(RED.httpAdmin)
+                .post('/library/flows/foo')
+                .set('Content-Type', 'text/plain')
+                .send(flow)
+                .expect(204).end(function (err, res) {
+                    if (err) {
+                        throw err;
+                    }
+                    request(RED.httpAdmin)
+                        .get('/library/flows/foo')
+                        .expect(200)
+                        .end(function(err,res) {
+                            if (err) {
+                                throw err;
+                            }
+                            res.text.should.equal(flow);
+                            done();
+                        });
+                });
+        });
+
+        it('lists a stored item', function(done) {
+            request(RED.httpAdmin)
+                .post('/library/flows/bar')
+                .expect(204)
+                .end(function () {
+                    request(RED.httpAdmin)
+                        .get('/library/flows')
+                        .expect(200)
+                        .end(function(err,res) {
+                            if (err) {
+                                throw err;
+                            }
+                            res.body.should.have.property('f');
+                            should.deepEqual(res.body.f,['bar']);
+                            done();
+                        });
+                });
+        });
+
+        it('returns 403 for malicious access attempt', function(done) {
+            // without the userDir override the malicious url would be
+            // http://127.0.0.1:1880/library/flows/../../package to
+            // obtain package.json from the node-red root.
+            request(RED.httpAdmin)
+                .get('/library/flows/../../../../../package')
+                .expect(403)
+                .end(done);
+        });
+
+        it('returns 403 for malicious access attempt', function(done) {
+            // without the userDir override the malicious url would be
+            // http://127.0.0.1:1880/library/flows/../../package to
+            // obtain package.json from the node-red root.
+            request(RED.httpAdmin)
+                .post('/library/flows/../../../../../package')
+                .expect(403)
+                .end(done);
+        });
+
+    });
+
+    describe("type", function() {
+        before(function() {
+            RED.library.register('test');
+        });
+
+        it('returns empty result', function(done) {
+            request(RED.httpAdmin)
+                .get('/library/test')
+                .expect(200)
+                .end(function(err,res) {
+                    if (err) {
+                        throw err;
+                    }
+                    res.body.should.not.have.property('f');
+                    done();
+                });
+        });
+
+        it('returns 404 for non-existent entry', function(done) {
+            request(RED.httpAdmin)
+                .get('/library/test/foo')
+                .expect(404)
+                .end(done);
+        });
+
+        it('can store and retrieve item', function(done) {
+            var flow = '[]';
+            request(RED.httpAdmin)
+                .post('/library/test/foo')
+                .set('Content-Type', 'text/plain')
+                .send(flow)
+                .expect(204).end(function (err, res) {
+                    if (err) {
+                        throw err;
+                    }
+                    request(RED.httpAdmin)
+                        .get('/library/test/foo')
+                        .expect(200)
+                        .end(function(err,res) {
+                            if (err) {
+                                throw err;
+                            }
+                            res.text.should.equal(flow);
+                            done();
+                        });
+                });
+        });
+
+        it('lists a stored item', function(done) {
+            request(RED.httpAdmin)
+                .post('/library/test/bar')
+                .expect(204)
+                .end(function () {
+                    request(RED.httpAdmin)
+                        .get('/library/test')
+                        .expect(200)
+                        .end(function(err,res) {
+                            if (err) {
+                                throw err;
+                            }
+                            should.deepEqual(res.body,[{ fn: 'bar'}]);
+                            done();
+                        });
+                });
+        });
+
+
+        it('returns 403 for malicious access attempt', function(done) {
+            request(RED.httpAdmin)
+                .get('/library/test/../../../../../../../../../../etc/passwd')
+                .expect(403)
+                .end(done);
+        });
+
+        it('returns 403 for malicious access attempt', function(done) {
+            request(RED.httpAdmin)
+                .get('/library/test/..\\..\\..\\..\\..\\..\\..\\..\\..\\..\\etc\\passwd')
+                .expect(403)
+                .end(done);
+        });
+
+        it('returns 403 for malicious access attempt', function(done) {
+            request(RED.httpAdmin)
+                .post('/library/test/../../../../../../../../../../etc/passwd')
+                .set('Content-Type', 'text/plain')
+                .send('root:x:0:0:root:/root:/usr/bin/tclsh')
+                .expect(403)
+                .end(done);
+        });
+
+    });
+});
diff --git a/dgbuilder/test/red/log_spec.js b/dgbuilder/test/red/log_spec.js
new file mode 100644
index 0000000..0fb0aaf
--- /dev/null
+++ b/dgbuilder/test/red/log_spec.js
@@ -0,0 +1,22 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+var should = require("should");
+
+describe("red/log", function() {
+    it('can be required without errors', function() {
+        require("../../red/log");
+    });
+});
diff --git a/dgbuilder/test/red/nodes/Node_spec.js b/dgbuilder/test/red/nodes/Node_spec.js
new file mode 100644
index 0000000..6ac54bd
--- /dev/null
+++ b/dgbuilder/test/red/nodes/Node_spec.js
@@ -0,0 +1,297 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+ 
+var should = require("should");
+var sinon = require('sinon');
+var RedNode = require("../../../red/nodes/Node");
+var comms = require('../../../red/comms');
+
+describe('Node', function() {
+    describe('#constructor',function() {
+        it('is called with an id and a type',function() {
+            var n = new RedNode({id:'123',type:'abc'});
+            n.should.have.property('id','123');
+            n.should.have.property('type','abc');
+            n.should.not.have.property('name');
+            n.wires.should.be.empty;
+        });
+        
+        it('is called with an id, a type and a name',function() {
+            var n = new RedNode({id:'123',type:'abc',name:'barney'});
+            n.should.have.property('id','123');
+            n.should.have.property('type','abc');
+            n.should.have.property('name','barney');
+            n.wires.should.be.empty;
+        });
+        
+        it('is called with an id, a type and some wires',function() {
+            var n = new RedNode({id:'123',type:'abc',wires:['123','456']});
+            n.should.have.property('id','123');
+            n.should.have.property('type','abc');
+            n.should.not.have.property('name');
+            n.wires.should.have.length(2);
+        });
+        
+    });
+    
+    describe('#close', function() {
+        it('emits close event when closed',function(done) {
+            var n = new RedNode({id:'123',type:'abc'});
+            n.on('close',function() {
+                done();
+            });
+            var p = n.close();
+            should.not.exist(p);
+        });
+        
+        it('returns a promise when provided a callback with a done parameter',function(testdone) {
+            var n = new RedNode({id:'123',type:'abc'});
+            n.on('close',function(done) {
+                setTimeout(function() {
+                    done();
+                },200);
+            });
+            var p = n.close();
+            should.exist(p);
+            p.then(function() {
+                testdone();
+            });
+        });
+    });
+    
+    
+    describe('#receive', function() {
+        it('emits input event when called', function(done) {
+            var n = new RedNode({id:'123',type:'abc'});
+            var message = {payload:"hello world"};
+            n.on('input',function(msg) {
+                should.deepEqual(msg,message);
+                done();
+            });
+            n.receive(message);
+        });
+    });
+    
+    describe('#send', function() {
+            
+        it('emits a single message', function(done) {
+            var n1 = new RedNode({id:'n1',type:'abc',wires:[['n2']]});
+            var n2 = new RedNode({id:'n2',type:'abc'});
+            var message = {payload:"hello world"};
+            
+            n2.on('input',function(msg) {
+                // msg equals message, but is a new copy
+                should.deepEqual(msg,message);
+                should.notStrictEqual(msg,message);
+                done();
+            });
+            
+            n1.send(message);
+        });
+        
+        it('emits multiple messages on a single output', function(done) {
+            var n1 = new RedNode({id:'n1',type:'abc',wires:[['n2']]});
+            var n2 = new RedNode({id:'n2',type:'abc'});
+            
+            var messages = [
+                {payload:"hello world"},
+                {payload:"hello world again"}
+            ];
+            
+            var rcvdCount = 0;
+            
+            n2.on('input',function(msg) {
+                should.deepEqual(msg,messages[rcvdCount]);
+                should.notStrictEqual(msg,messages[rcvdCount]);
+                rcvdCount += 1;
+                if (rcvdCount == 2) {
+                    done();
+                }
+            });
+            n1.send([messages]);
+        });
+        
+        it('emits messages to multiple outputs', function(done) {
+            var n1 = new RedNode({id:'n1',type:'abc',wires:[['n2'],['n3'],['n4','n5']]});
+            var n2 = new RedNode({id:'n2',type:'abc'});
+            var n3 = new RedNode({id:'n3',type:'abc'});
+            var n4 = new RedNode({id:'n4',type:'abc'});
+            var n5 = new RedNode({id:'n5',type:'abc'});
+            
+            var messages = [
+                {payload:"hello world"},
+                null,
+                {payload:"hello world again"}
+            ];
+            
+            var rcvdCount = 0;
+            
+            n2.on('input',function(msg) {
+                should.deepEqual(msg,messages[0]);
+                should.notStrictEqual(msg,messages[0]);
+                rcvdCount += 1;
+                if (rcvdCount == 3) {
+                    done();
+                }
+            });
+            
+            n3.on('input',function(msg) {
+                    should.fail(null,null,"unexpected message");
+            });
+            
+            n4.on('input',function(msg) {
+                should.deepEqual(msg,messages[2]);
+                should.notStrictEqual(msg,messages[2]);
+                rcvdCount += 1;
+                if (rcvdCount == 3) {
+                    done();
+                }
+            });
+            
+            n5.on('input',function(msg) {
+                should.deepEqual(msg,messages[2]);
+                should.notStrictEqual(msg,messages[2]);
+                rcvdCount += 1;
+                if (rcvdCount == 3) {
+                    done();
+                }
+            });
+            
+            n1.send(messages);
+        });
+
+        it('emits no messages', function(done) {
+            var n1 = new RedNode({id:'n1',type:'abc',wires:[['n2']]});
+            var n2 = new RedNode({id:'n2',type:'abc'});
+
+            n2.on('input',function(msg) {
+                should.fail(null,null,"unexpected message");
+            });
+            
+            setTimeout(function() {
+                done();
+            }, 200);
+            
+            n1.send();
+        });
+
+        it('emits messages ignoring non-existent nodes', function(done) {
+            var n1 = new RedNode({id:'n1',type:'abc',wires:[['n9'],['n2']]});
+            var n2 = new RedNode({id:'n2',type:'abc'});
+
+            var messages = [
+                {payload:"hello world"},
+                {payload:"hello world again"}
+            ];
+
+            n2.on('input',function(msg) {
+                should.deepEqual(msg,messages[1]);
+                should.notStrictEqual(msg,messages[1]);
+                done();
+            });
+
+            n1.send(messages);
+        });
+
+        it('emits messages without cloning req or res', function(done) {
+            var n1 = new RedNode({id:'n1',type:'abc',wires:[['n2']]});
+            var n2 = new RedNode({id:'n2',type:'abc'});
+
+            var req = {};
+            var res = {};
+            var cloned = {};
+            var message = {payload: "foo", cloned: cloned, req: req, res: res};
+
+            n2.on('input',function(msg) {
+                should.deepEqual(msg, message);
+                msg.cloned.should.not.be.exactly(message.cloned);
+                msg.req.should.be.exactly(message.req);
+                msg.res.should.be.exactly(message.res);
+                done();
+            });
+
+            n1.send(message);
+        });
+
+    });
+
+    describe('#log', function() {
+        it('emits a log message', function(done) {
+            var n = new RedNode({id:'123',type:'abc'});
+            n.on('log',function(obj) {
+                should.deepEqual({level:"log", id:n.id,
+                                  type:n.type, msg:"a log message"}, obj);
+                done();
+            });
+            n.log("a log message");
+        });
+    });
+
+    describe('#log', function() {
+        it('emits a log message with a name', function(done) {
+            var n = new RedNode({id:'123', type:'abc', name:"barney"});
+            n.on('log',function(obj) {
+                should.deepEqual({level:"log", id:n.id, name: "barney",
+                                  type:n.type, msg:"a log message"}, obj);
+                done();
+            });
+            n.log("a log message");
+        });
+    });
+
+    describe('#warn', function() {
+        it('emits a warning', function(done) {
+            var n = new RedNode({id:'123',type:'abc'});
+            n.on('log',function(obj) {
+                should.deepEqual({level:"warn", id:n.id,
+                                  type:n.type, msg:"a warning"}, obj);
+                done();
+            });
+            n.warn("a warning");
+        });
+    });
+
+    describe('#error', function() {
+        it('emits an error message', function(done) {
+            var n = new RedNode({id:'123',type:'abc'});
+            n.on('log',function(obj) {
+                should.deepEqual({level:"error", id:n.id,
+                                  type:n.type, msg:"an error message"}, obj);
+                done();
+            });
+            n.error("an error message");
+        });
+    });
+
+    describe('#status', function() {
+        after(function() {
+            comms.publish.restore();
+        });
+        it('publishes status', function(done) {
+            var n = new RedNode({id:'123',type:'abc'});
+            var status = {fill:"green",shape:"dot",text:"connected"};
+            sinon.stub(comms, 'publish', function(topic, message, retain) {
+                topic.should.equal('status/123');
+                message.should.equal(status);
+                retain.should.be.true;
+                done();
+            });
+
+            n.status(status);
+        });
+    });
+
+});
diff --git a/dgbuilder/test/red/nodes/credentials_spec.js b/dgbuilder/test/red/nodes/credentials_spec.js
new file mode 100644
index 0000000..3d10461
--- /dev/null
+++ b/dgbuilder/test/red/nodes/credentials_spec.js
@@ -0,0 +1,497 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var sinon = require("sinon");
+var when = require("when");
+var util = require("util");
+
+var index = require("../../../red/nodes/index");
+var credentials = require("../../../red/nodes/credentials");
+
+describe('Credentials', function() {
+    
+    afterEach(function() {
+        index.clearRegistry();
+    });
+    
+    it('loads from storage',function(done) {
+        
+        var storage = {
+            getCredentials: function() {
+                return when.promise(function(resolve,reject) {
+                    resolve({"a":{"b":1,"c":2}});
+                });
+            }
+        };
+        
+        credentials.init(storage);
+        
+        credentials.load().then(function() {
+                
+            credentials.get("a").should.have.property('b',1);
+            credentials.get("a").should.have.property('c',2);
+            
+            done();
+        });
+    });
+    
+    
+    it('saves to storage', function(done) {
+        var storage = {
+            getCredentials: function() {
+                return when.promise(function(resolve,reject) {
+                    resolve({"a":{"b":1,"c":2}});
+                });
+            },
+            saveCredentials: function(creds) {
+                return when(true);
+            }
+        };
+        sinon.spy(storage,"saveCredentials");
+        credentials.init(storage);
+        credentials.load().then(function() {
+            should.not.exist(credentials.get("b"))
+            credentials.add('b',{"d":3});
+            storage.saveCredentials.callCount.should.be.exactly(1);
+            credentials.get("b").should.have.property('d',3);
+            storage.saveCredentials.restore();
+            done();
+        });
+    });
+    
+    it('deletes from storage', function(done) {
+        var storage = {
+            getCredentials: function() {
+                return when.promise(function(resolve,reject) {
+                    resolve({"a":{"b":1,"c":2}});
+                });
+            },
+            saveCredentials: function(creds) {
+                return when(true);
+            }
+        };
+        sinon.spy(storage,"saveCredentials");
+        credentials.init(storage);
+        credentials.load().then(function() {
+            should.exist(credentials.get("a"))
+            credentials.delete('a');
+            storage.saveCredentials.callCount.should.be.exactly(1);
+            should.not.exist(credentials.get("a"));
+            storage.saveCredentials.restore();
+            done();
+        });
+            
+    });
+            
+    it('clean up from storage', function(done) {
+        var storage = {
+            getCredentials: function() {
+                return when.promise(function(resolve,reject) {
+                    resolve({"a":{"b":1,"c":2}});
+                });
+            },
+            saveCredentials: function(creds) {
+                return when(true);
+            }
+        };
+        sinon.spy(storage,"saveCredentials");
+        credentials.init(storage);
+        credentials.load().then(function() {
+            should.exist(credentials.get("a"));
+            credentials.clean(function() {
+                return false;
+            });
+            storage.saveCredentials.callCount.should.be.exactly(1);
+            should.not.exist(credentials.get("a"));
+            storage.saveCredentials.restore();
+            done();
+        });
+    });
+    
+    it('handle error loading from storage', function(done) {
+        var storage = {
+            getCredentials: function() {
+                return when.promise(function(resolve,reject) {
+                    reject("test forcing failure");
+                });
+            },
+            saveCredentials: function(creds) {
+                return when(true);
+            }
+        };
+        var logmsg = 'no errors yet';
+        sinon.stub(util, 'log', function(msg) {
+            logmsg = msg;
+        });
+        
+        credentials.init(storage);
+        credentials.load().then(function() {
+            should.equal('[red] Error loading credentials : test forcing failure', logmsg);
+            util.log.restore();
+            done();
+        }).otherwise(function(err){
+            util.log.restore();
+            done(err);
+        });
+    });
+    
+    it('credential type is not registered when extract', function(done) {
+        var testFlows = [{"type":"test","id":"tab1","label":"Sheet 1"}];
+        var storage = {
+                getFlows: function() {
+                    var defer = when.defer();
+                    defer.resolve(testFlows);
+                    return defer.promise;
+                },
+                getCredentials: function() {
+                    return when.promise(function(resolve,reject) {
+                        resolve({"tab1":{"b":1,"c":2}});
+                    });
+                },
+                saveFlows: function(conf) {
+                    var defer = when.defer();
+                    defer.resolve();
+                    should.deepEqual(testFlows, conf);
+                    return defer.promise;
+                },
+                saveCredentials: function(creds) {
+                    return when(true);
+                },
+                getSettings: function() {
+                    return when({});
+                },
+                saveSettings: function(s) {
+                    return when();
+                }
+        };
+        function TestNode(n) {
+            index.createNode(this, n);
+            
+            this.id = 'tab1';
+            this.type = 'test';
+            this.name = 'barney';
+            var node = this;
+
+            this.on("log", function() {
+                // do nothing
+            });
+        }
+        var logmsg = 'nothing logged yet';
+        sinon.stub(util, 'log', function(msg) {
+            logmsg = msg;
+        });
+        var settings = {
+            available: function() { return false;}
+        }
+        index.init(settings, storage);
+        index.registerType('test', TestNode);   
+        index.loadFlows().then(function() {
+            var testnode = new TestNode({id:'tab1',type:'test',name:'barney'});   
+            credentials.extract(testnode);
+            should.equal(logmsg, 'Credential Type test is not registered.');
+            util.log.restore();
+            done();
+        }).otherwise(function(err){
+            util.log.restore();
+            done(err);
+        });
+    });
+    
+    describe('extract and store credential updates in the provided node', function() {
+        var path = require('path');
+        var fs = require('fs-extra');
+        var http = require('http');
+        var express = require('express');
+        var server = require("../../../red/server");
+        var localfilesystem = require("../../../red/storage/localfilesystem");
+        var app = express();
+        var RED = require("../../../red/red.js");
+        
+        var userDir = path.join(__dirname,".testUserHome");
+        before(function(done) {
+            fs.remove(userDir,function(err) {
+                fs.mkdir(userDir,function() {
+                    sinon.stub(index, 'load', function() {
+                        return when.promise(function(resolve,reject){
+                            resolve([]);
+                        });
+                    });
+                    sinon.stub(localfilesystem, 'getCredentials', function() {
+                         return when.promise(function(resolve,reject) {
+                                resolve({"tab1":{"foo": 2, "pswd":'sticks'}});
+                         });
+                    }) ;
+                    RED.init(http.createServer(function(req,res){app(req,res)}),
+                             {userDir: userDir});
+                    server.start().then(function () {
+                        done(); 
+                     });
+                });
+            });
+        });
+    
+        after(function(done) {
+            fs.remove(userDir,done);
+            server.stop();
+            index.load.restore();
+            localfilesystem.getCredentials.restore();
+        });
+    
+        function TestNode(n) {
+            index.createNode(this, n);
+            var node = this;
+            this.on("log", function() {
+                // do nothing
+            });
+        }
+        
+        it(': credential updated with good value', function(done) {
+            index.registerType('test', TestNode, {
+                credentials: {
+                    foo: {type:"test"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'test',name:'barney'});   
+                credentials.extract(testnode);
+                should.exist(credentials.get('tab1'));
+                credentials.get('tab1').should.have.property('foo',2);
+                
+                // set credentials to be an updated value and checking this is extracted properly
+                testnode.credentials = {"foo": 3};
+                credentials.extract(testnode);
+                should.exist(credentials.get('tab1'));
+                credentials.get('tab1').should.not.have.property('foo',2);
+                credentials.get('tab1').should.have.property('foo',3);
+                done();                    
+            }).otherwise(function(err){
+                done(err);
+            });
+        });
+
+        it(': credential updated with empty value', function(done) {
+            index.registerType('test', TestNode, {
+                credentials: {
+                    foo: {type:"test"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'test',name:'barney'});   
+                // setting value of "foo" credential to be empty removes foo as a property
+                testnode.credentials = {"foo": ''};
+                credentials.extract(testnode);
+                should.exist(credentials.get('tab1'));
+                credentials.get('tab1').should.not.have.property('foo',2);
+                credentials.get('tab1').should.not.have.property('foo');
+                done();                    
+            }).otherwise(function(err){
+                done(err);
+            });
+        });
+ 
+        it(': undefined credential updated', function(done) {
+            index.registerType('test', TestNode, {
+                credentials: {
+                    foo: {type:"test"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'test',name:'barney'});   
+                // setting value of an undefined credential should not change anything
+                testnode.credentials = {"bar": 4};
+                credentials.extract(testnode);
+                should.exist(credentials.get('tab1'));
+                credentials.get('tab1').should.have.property('foo',2);
+                credentials.get('tab1').should.not.have.property('bar');
+                done();                    
+            }).otherwise(function(err){
+                done(err);
+            });
+        });
+        
+        it(': password credential updated', function(done) {
+            index.registerType('password', TestNode, {
+                credentials: {
+                    pswd: {type:"password"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'password',name:'barney'});   
+                // setting value of password credential should update password 
+                testnode.credentials = {"pswd": 'fiddle'};
+                credentials.extract(testnode);
+                should.exist(credentials.get('tab1'));
+                credentials.get('tab1').should.have.property('pswd','fiddle');
+                credentials.get('tab1').should.not.have.property('pswd','sticks');
+                done();                    
+            }).otherwise(function(err){
+                done(err);
+            });
+        });    
+
+        it(': password credential not updated', function(done) {
+            index.registerType('password', TestNode, {
+                credentials: {
+                    pswd: {type:"password"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'password',name:'barney'});   
+                // setting value of password credential should update password 
+                testnode.credentials = {"pswd": '__PWRD__'};
+                credentials.extract(testnode);
+                should.exist(credentials.get('tab1'));
+                credentials.get('tab1').should.have.property('pswd','sticks');
+                credentials.get('tab1').should.not.have.property('pswd','__PWRD__');
+                done();                    
+            }).otherwise(function(err){
+                done(err);
+            });
+        });    
+    
+    })
+
+    describe('registerEndpoint', function() {
+        var path = require('path');
+        var fs = require('fs-extra');
+        var http = require('http');
+        var express = require('express');
+        var request = require('supertest');
+        
+        var server = require("../../../red/server");
+        var localfilesystem = require("../../../red/storage/localfilesystem");
+        var app = express();
+        var RED = require("../../../red/red.js");
+        
+        var userDir = path.join(__dirname,".testUserHome");
+        before(function(done) {
+            fs.remove(userDir,function(err) {
+                fs.mkdir(userDir,function() {
+                    sinon.stub(index, 'load', function() {
+                        return when.promise(function(resolve,reject){
+                            resolve([]);
+                        });
+                    });
+                    sinon.stub(localfilesystem, 'getCredentials', function() {
+                         return when.promise(function(resolve,reject) {
+                                resolve({"tab1":{"foo": 2, "pswd":'sticks'}});
+                         });
+                    }) ;
+                    RED.init(http.createServer(function(req,res){app(req,res)}),
+                             {userDir: userDir});
+                    server.start().then(function () {
+                        done(); 
+                     });
+                });
+            });
+        });
+    
+        after(function(done) {
+            fs.remove(userDir,done);
+            server.stop();
+            index.load.restore();
+            localfilesystem.getCredentials.restore();
+        });
+    
+        function TestNode(n) {
+            index.createNode(this, n);
+            var node = this;
+            this.on("log", function() {
+                // do nothing
+            });
+        }
+        
+        it(': valid credential type', function(done) {
+            index.registerType('test', TestNode, {
+                credentials: {
+                    foo: {type:"test"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'foo',name:'barney'});   
+                request(RED.httpAdmin).get('/credentials/test/tab1').expect(200).end(function(err,res) {
+                    if (err) {
+                        done(err);
+                    }
+                    res.body.should.have.property('foo', 2);
+                    done();
+                });              
+            }).otherwise(function(err){
+                done(err);
+            });
+        });
+        
+        it(': password credential type', function(done) {
+            index.registerType('password', TestNode, {
+                credentials: {
+                    pswd: {type:"password"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'pswd',name:'barney'});   
+                request(RED.httpAdmin).get('/credentials/password/tab1').expect(200).end(function(err,res) {
+                    if (err) {
+                        done(err);
+                    }
+                    res.body.should.have.property('has_pswd', true);
+                    res.body.should.not.have.property('pswd');
+                    done();
+                });              
+            }).otherwise(function(err){
+                done(err);
+            });
+        });    
+        
+        it(': returns 404 for undefined credential type', function(done) {
+            index.registerType('test', TestNode, {
+                credentials: {
+                    foo: {type:"test"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'foo',name:'barney'});   
+                request(RED.httpAdmin).get('/credentials/unknownType/tab1').expect(404).end(done);              
+            }).otherwise(function(err){
+                done(err);
+            });
+        });
+        
+        it(': undefined nodeID', function(done) {
+            index.registerType('test', TestNode, {
+                credentials: {
+                    foo: {type:"test"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'foo',name:'barney'});   
+                request(RED.httpAdmin).get('/credentials/test/unknownNode').expect(200).end(function(err,res) {
+                    if (err) {
+                        done(err);
+                    }
+                    var b = res.body;
+                    res.body.should.not.have.property('foo');
+                    done();
+                });              
+            }).otherwise(function(err){
+                done(err);
+            });
+        });
+        
+    })        
+    
+})     
+
diff --git a/dgbuilder/test/red/nodes/flows_spec.js b/dgbuilder/test/red/nodes/flows_spec.js
new file mode 100644
index 0000000..091bf40
--- /dev/null
+++ b/dgbuilder/test/red/nodes/flows_spec.js
@@ -0,0 +1,134 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+ 
+var should = require("should");
+var sinon = require("sinon");
+var when = require("when");
+var flows = require("../../../red/nodes/flows");
+var RedNode = require("../../../red/nodes/Node");
+var RED = require("../../../red/nodes");
+var events = require("../../../red/events");
+var typeRegistry = require("../../../red/nodes/registry");
+
+
+var settings = {
+    available: function() { return false; }
+}
+
+function loadFlows(testFlows, cb) {
+    var storage = {
+        getFlows: function() {
+            return when.resolve(testFlows);
+        },
+        getCredentials: function() {
+            return when.resolve({});
+        }
+    };
+    RED.init(settings, storage);
+    flows.load().then(function() {
+        should.deepEqual(testFlows, flows.getFlows());
+        cb();
+    });
+}
+
+describe('flows', function() {
+
+    describe('#add',function() {
+        it('should be called by node constructor',function(done) {
+            var n = new RedNode({id:'123',type:'abc'});
+            should.deepEqual(n, flows.get("123"));
+            flows.clear().then(function() {
+                done();
+            });
+        });
+    });
+
+    describe('#each',function() {
+        it('should "visit" all nodes',function(done) {
+            var nodes = [
+                new RedNode({id:'n0'}),
+                new RedNode({id:'n1'})
+            ];
+            var count = 0;
+            flows.each(function(node) {
+                should.deepEqual(nodes[count], node);
+                count += 1;
+                if (count == 2) {
+                    done();
+                }
+            });
+        });
+    });
+
+    describe('#load',function() {
+        it('should load nothing when storage is empty',function(done) {
+            loadFlows([], done);
+        });
+
+        it('should load and start an empty tab flow',function(done) {
+            loadFlows([{"type":"tab","id":"tab1","label":"Sheet 1"}], function() {});
+            events.once('nodes-started', function() { done(); });
+        });
+
+        it('should load and start a registered node type', function(done) {
+            RED.registerType('debug', function() {});
+            var typeRegistryGet = sinon.stub(typeRegistry,"get",function(nt) {
+                return function() {};
+            });
+            loadFlows([{"id":"n1","type":"debug"}], function() { });
+            events.once('nodes-started', function() {
+                typeRegistryGet.restore();
+                done();
+            });
+        });
+
+        it('should load and start when node type is registered', function(done) {
+            var typeRegistryGet = sinon.stub(typeRegistry,"get");
+            typeRegistryGet.onCall(0).returns(null);
+            typeRegistryGet.returns(function(){});
+            
+            loadFlows([{"id":"n2","type":"inject"}], function() {
+                events.emit('type-registered','inject');
+            });
+            events.once('nodes-started', function() {
+                typeRegistryGet.restore();
+                done();
+            });
+        });
+    });
+
+    describe('#setFlows',function() {
+        it('should save and start an empty tab flow',function(done) {
+            var saved = 0;
+            var testFlows = [{"type":"tab","id":"tab1","label":"Sheet 1"}];
+            var storage = {
+                saveFlows: function(conf) {
+                    var defer = when.defer();
+                    defer.resolve();
+                    should.deepEqual(testFlows, conf);
+                    return defer.promise;
+                },
+                saveCredentials: function (creds) {
+                    return when(true);
+                }
+            };
+            RED.init(settings, storage);
+            flows.setFlows(testFlows);
+            events.once('nodes-started', function() { done(); });
+        });
+    });
+
+});
diff --git a/dgbuilder/test/red/nodes/index_spec.js b/dgbuilder/test/red/nodes/index_spec.js
new file mode 100644
index 0000000..dcb866e
--- /dev/null
+++ b/dgbuilder/test/red/nodes/index_spec.js
@@ -0,0 +1,255 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var fs = require('fs-extra');
+var path = require('path');
+var when = require("when");
+var sinon = require('sinon');
+
+var index = require("../../../red/nodes/index");
+
+describe("red/nodes/index", function() {
+        
+    afterEach(function() {
+        index.clearRegistry();
+    });
+
+    var testFlows = [{"type":"test","id":"tab1","label":"Sheet 1"}];
+    var storage = {
+            getFlows: function() {
+                return when(testFlows);
+            },
+            getCredentials: function() {
+                return when({"tab1":{"b":1,"c":2}});
+            },
+            saveFlows: function(conf) {
+                should.deepEqual(testFlows, conf);
+                return when();
+            },
+            saveCredentials: function(creds) {
+                return when(true);
+            }
+    };
+    
+    var settings = {
+        available: function() { return false }
+    };
+
+    function TestNode(n) {
+        index.createNode(this, n);
+        var node = this;
+        this.on("log", function() {
+            // do nothing
+        });
+    }
+    
+   it('nodes are initialised with credentials',function(done) {      
+
+        index.init(settings, storage);
+        index.registerType('test', TestNode);            
+        index.loadFlows().then(function() {
+            var testnode = new TestNode({id:'tab1',type:'test',name:'barney'});   
+            testnode.credentials.should.have.property('b',1);
+            testnode.credentials.should.have.property('c',2);
+            done();
+        }).otherwise(function(err) {
+            done(err);
+        });
+
+    });
+   
+   it('flows should be initialised',function(done) {      
+        index.init(settings, storage);
+        index.loadFlows().then(function() {
+            should.deepEqual(testFlows, index.getFlows());
+            done();
+        }).otherwise(function(err) {
+            done(err);
+        });
+
+    });
+   
+   describe("registerType should register credentials definition", function() {
+       var http = require('http');
+       var express = require('express');
+       var app = express();
+       var server = require("../../../red/server");
+       var credentials = require("../../../red/nodes/credentials");
+       var localfilesystem = require("../../../red/storage/localfilesystem");
+       var RED = require("../../../red/red.js");
+       
+       var userDir = path.join(__dirname,".testUserHome");
+       before(function(done) {
+           fs.remove(userDir,function(err) {
+               fs.mkdir(userDir,function() {
+                   sinon.stub(index, 'load', function() {
+                       return when.promise(function(resolve,reject){
+                           resolve([]);
+                       });
+                   });
+                   sinon.stub(localfilesystem, 'getCredentials', function() {
+                        return when.promise(function(resolve,reject) {
+                               resolve({"tab1":{"b":1,"c":2}});
+                        });
+                   }) ;
+                   RED.init(http.createServer(function(req,res){app(req,res)}),
+                            {userDir: userDir});
+                   server.start().then(function () {
+                       done(); 
+                    });
+               });
+           });
+       });
+
+       after(function(done) {
+           fs.remove(userDir,done);
+           server.stop();
+           index.load.restore();
+           localfilesystem.getCredentials.restore();
+       });
+       
+       it(': definition defined',function(done) {      
+           index.registerType('test', TestNode, {
+               credentials: {
+                   foo: {type:"test"}
+               }   
+           }); 
+           var testnode = new TestNode({id:'tab1',type:'test',name:'barney'});    
+           credentials.getDefinition("test").should.have.property('foo');
+           done();
+       });
+
+   });
+   
+   describe('allows nodes to be added/remove/enabled/disabled from the registry', function() {
+       var registry = require("../../../red/nodes/registry");
+       var randomNodeInfo = {id:"5678",types:["random"]};
+       
+       before(function() {
+           sinon.stub(registry,"getNodeInfo",function(id) {
+               if (id == "test") {
+                   return {id:"1234",types:["test"]};
+               } else if (id == "doesnotexist") {
+                   return null;
+               } else {
+                   return randomNodeInfo;
+               }
+           });
+           sinon.stub(registry,"removeNode",function(id) {
+               return randomNodeInfo;
+           });
+           sinon.stub(registry,"disableNode",function(id) {
+               return randomNodeInfo;
+           });
+       });
+       after(function() {
+           registry.getNodeInfo.restore();
+           registry.removeNode.restore();
+           registry.disableNode.restore();
+       });
+
+       it(': allows an unused node type to be removed',function(done) {      
+            index.init(settings, storage);
+            index.registerType('test', TestNode);            
+            index.loadFlows().then(function() {
+                var info = index.removeNode("5678");
+                registry.removeNode.calledOnce.should.be.true;
+                registry.removeNode.calledWith("5678").should.be.true;
+                info.should.eql(randomNodeInfo);
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+       });
+       
+       it(': allows an unused node type to be disabled',function(done) {      
+            index.init(settings, storage);
+            index.registerType('test', TestNode);            
+            index.loadFlows().then(function() {
+                var info = index.disableNode("5678");
+                registry.disableNode.calledOnce.should.be.true;
+                registry.disableNode.calledWith("5678").should.be.true;
+                info.should.eql(randomNodeInfo);
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+       });
+
+       it(': prevents removing a node type that is in use',function(done) {      
+            index.init(settings, storage);
+            index.registerType('test', TestNode);            
+            index.loadFlows().then(function() {
+                /*jshint immed: false */
+                (function() {
+                    index.removeNode("test");
+                }).should.throw();    
+                
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+       });
+       
+       it(': prevents disabling a node type that is in use',function(done) {
+            index.init(settings, storage);
+            index.registerType('test', TestNode);            
+            index.loadFlows().then(function() {
+                /*jshint immed: false */
+                (function() {
+                    index.disabledNode("test");
+                }).should.throw();    
+                
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+       });
+       
+       it(': prevents removing a node type that is unknown',function(done) {      
+            index.init(settings, storage);
+            index.registerType('test', TestNode);            
+            index.loadFlows().then(function() {
+                /*jshint immed: false */
+                (function() {
+                    index.removeNode("doesnotexist");
+                }).should.throw();    
+                
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+        });
+       it(': prevents disabling a node type that is unknown',function(done) {      
+            index.init(settings, storage);
+            index.registerType('test', TestNode);            
+            index.loadFlows().then(function() {
+                /*jshint immed: false */
+                (function() {
+                    index.disableNode("doesnotexist");
+                }).should.throw();    
+                
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+        });
+
+    });
+   
+   
+});
diff --git a/dgbuilder/test/red/nodes/registry_spec.js b/dgbuilder/test/red/nodes/registry_spec.js
new file mode 100644
index 0000000..81c1a2c
--- /dev/null
+++ b/dgbuilder/test/red/nodes/registry_spec.js
@@ -0,0 +1,808 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var sinon = require("sinon");
+var path = require("path");
+var when = require("when");
+
+var RedNodes = require("../../../red/nodes");
+var RedNode = require("../../../red/nodes/Node");
+var typeRegistry = require("../../../red/nodes/registry");
+var events = require("../../../red/events");
+
+afterEach(function() {
+    typeRegistry.clear();
+});
+
+describe('NodeRegistry', function() {
+    
+    var resourcesDir = __dirname+ path.sep + "resources" + path.sep;
+    
+    function stubSettings(s,available) {
+        s.available =  function() {return available;}
+        s.set = function(s,v) { return when.resolve()},
+        s.get = function(s) { return null;}
+        return s
+    }
+    var settings = stubSettings({},false);
+    var settingsWithStorage = stubSettings({},true);
+    
+    it('automatically registers new nodes',function() {
+        var testNode = RedNodes.getNode('123');
+        should.not.exist(n);
+        var n = new RedNode({id:'123',type:'abc'});
+        
+        var newNode = RedNodes.getNode('123');
+        
+        should.strictEqual(n,newNode);
+    });
+    
+    it('handles nodes that export a function', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load(resourcesDir + "TestNode1",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNode1.js");
+            list[0].should.have.property("types",["test-node-1"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+            
+            var nodeConstructor = typeRegistry.get("test-node-1");
+            nodeConstructor.should.be.type("function");
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+            
+    });
+    
+    
+    it('handles nodes that export a function returning a resolving promise', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load(resourcesDir + "TestNode2",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNode2.js");
+            list[0].should.have.property("types",["test-node-2"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+            var nodeConstructor = typeRegistry.get("test-node-2");
+            nodeConstructor.should.be.type("function");
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+            
+    });
+    
+    it('handles nodes that export a function returning a rejecting promise', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load(resourcesDir + "TestNode3",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNode3.js");
+            list[0].should.have.property("types",["test-node-3"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.have.property("err","fail");
+
+            var nodeConstructor = typeRegistry.get("test-node-3");
+            (nodeConstructor === null).should.be.true;
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+            
+    });
+    
+    it('handles files containing multiple nodes', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load(resourcesDir + "MultipleNodes1",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","MultipleNodes1.js");
+            list[0].should.have.property("types",["test-node-multiple-1a","test-node-multiple-1b"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+            
+            var nodeConstructor = typeRegistry.get("test-node-multiple-1a");
+            nodeConstructor.should.be.type("function");
+
+            nodeConstructor = typeRegistry.get("test-node-multiple-1b");
+            nodeConstructor.should.be.type("function");
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('handles nested directories', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load(resourcesDir + "NestedDirectoryNode",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","NestedNode.js");
+            list[0].should.have.property("types",["nested-node-1"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('emits type-registered and node-icon-dir events', function(done) {
+        var eventEmitSpy = sinon.spy(events,"emit");
+        typeRegistry.init(settings);
+        typeRegistry.load(resourcesDir + "NestedDirectoryNode",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("name","NestedNode.js");
+            list[0].should.have.property("types",["nested-node-1"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+            
+            eventEmitSpy.callCount.should.equal(2);
+            
+            eventEmitSpy.firstCall.args[0].should.be.equal("node-icon-dir");
+            eventEmitSpy.firstCall.args[1].should.be.equal(
+                    resourcesDir + "NestedDirectoryNode" + path.sep + "NestedNode" + path.sep + "icons");
+
+            eventEmitSpy.secondCall.args[0].should.be.equal("type-registered");
+            eventEmitSpy.secondCall.args[1].should.be.equal("nested-node-1");
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        }).finally(function() {
+            eventEmitSpy.restore();
+        });
+    });
+    
+    it('rejects a duplicate node type registration', function(done) {
+        
+        typeRegistry.init(stubSettings({
+            nodesDir:[resourcesDir + "TestNode1",resourcesDir + "DuplicateTestNode"]
+        },false));
+        typeRegistry.load("wontexist",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            
+            list.should.be.an.Array.and.have.lengthOf(2);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNode1.js");
+            list[0].should.have.property("types",["test-node-1"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+            
+            list[1].should.have.property("id");
+            list[1].id.should.not.equal(list[0].id);
+            
+            list[1].should.have.property("name","TestNode1.js");
+            list[1].should.have.property("types",["test-node-1"]);
+            list[1].should.have.property("enabled",true);
+            list[1].should.have.property("err");
+            /already registered/.test(list[1].err).should.be.true;
+
+            var nodeConstructor = typeRegistry.get("test-node-1");
+            // Verify the duplicate node hasn't replaced the original one
+            nodeConstructor.name.should.be.equal("TestNode");
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('handles nodesDir as a string', function(done) {
+
+        typeRegistry.init(stubSettings({
+            nodesDir :resourcesDir + "TestNode1"
+        },false));
+        typeRegistry.load("wontexist",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("types",["test-node-1"]);
+            done();
+        }).catch(function(e) {
+            done("Loading of non-existing nodesDir should succeed");
+        });
+            
+    });
+    
+    it('handles invalid nodesDir',function(done) {
+
+        typeRegistry.init(stubSettings({
+            nodesDir : "wontexist"
+        },false));
+        typeRegistry.load("wontexist",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            done();
+        }).catch(function(e) {
+            done("Loading of non-existing nodesDir should succeed");
+        });
+    });
+    
+    it('returns nothing for an unregistered type config', function() {
+        typeRegistry.init(settings);
+        typeRegistry.load("wontexist",true).then(function(){
+            var config = typeRegistry.getNodeConfig("imaginary-shark");
+            (config === null).should.be.true;
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('excludes node files listed in nodesExcludes',function(done) {
+        typeRegistry.init(stubSettings({
+            nodesExcludes: [ "TestNode1.js" ],
+            nodesDir:[resourcesDir + "TestNode1",resourcesDir + "TestNode2"]
+        },false));
+        typeRegistry.load("wontexist",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("types",["test-node-2"]);
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('returns the node configurations', function(done) {
+        typeRegistry.init(stubSettings({
+            nodesDir:[resourcesDir + "TestNode1",resourcesDir + "TestNode2"]
+        },false));
+        typeRegistry.load("wontexist",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            
+            var nodeConfigs = typeRegistry.getNodeConfigs();
+            
+            // TODO: this is brittle...
+            nodeConfigs.should.equal("<script type=\"text/x-red\" data-template-name=\"test-node-1\"></script>\n<script type=\"text/x-red\" data-help-name=\"test-node-1\"></script>\n<script type=\"text/javascript\">RED.nodes.registerType('test-node-1',{});</script>\n<style></style>\n<p>this should be filtered out</p>\n<script type=\"text/x-red\" data-template-name=\"test-node-2\"></script>\n<script type=\"text/x-red\" data-help-name=\"test-node-2\"></script>\n<script type=\"text/javascript\">RED.nodes.registerType('test-node-2',{});</script>\n<style></style>\n");
+            
+            var nodeId = list[0].id;
+            var nodeConfig = typeRegistry.getNodeConfig(nodeId);
+            nodeConfig.should.equal("<script type=\"text/x-red\" data-template-name=\"test-node-1\"></script>\n<script type=\"text/x-red\" data-help-name=\"test-node-1\"></script>\n<script type=\"text/javascript\">RED.nodes.registerType('test-node-1',{});</script>\n<style></style>\n<p>this should be filtered out</p>\n");
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('stores the node list', function(done) {
+        var settings = {
+            nodesDir:[resourcesDir + "TestNode1",resourcesDir + "TestNode2",resourcesDir + "TestNode3"],
+            available: function() { return true; },
+            set: function(s,v) {return when.resolve();},
+            get: function(s) { return null;}
+        }
+        var settingsSave = sinon.spy(settings,"set");
+        typeRegistry.init(settings);
+        typeRegistry.load("wontexist",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.Array.and.have.length(3);
+            
+            settingsSave.callCount.should.equal(1);
+            settingsSave.firstCall.args[0].should.be.equal("nodes");
+            var savedList = settingsSave.firstCall.args[1];
+            
+            savedList[list[0].id].name == list[0].name;
+            savedList[list[1].id].name == list[1].name;
+            savedList[list[2].id].name == list[2].name;
+            
+            savedList[list[0].id].should.not.have.property("err");
+            savedList[list[1].id].should.not.have.property("err");
+            savedList[list[2].id].should.not.have.property("err");
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        }).finally(function() {
+            settingsSave.restore();
+        });
+            
+    });
+    
+    it('allows nodes to be added by filename', function(done) {
+        var settings = {
+            available: function() { return true; },
+            set: function(s,v) {return when.resolve();},
+            get: function(s) { return null;}
+        }            
+        typeRegistry.init(settings);
+        typeRegistry.load("wontexist",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            
+            typeRegistry.addNode(resourcesDir + "TestNode1/TestNode1.js").then(function(node) {
+                list = typeRegistry.getNodeList();
+                list[0].should.have.property("id");
+                list[0].should.have.property("name","TestNode1.js");
+                list[0].should.have.property("types",["test-node-1"]);
+                list[0].should.have.property("enabled",true);
+                list[0].should.not.have.property("err");
+                
+                node.should.be.an.Array.and.have.lengthOf(1);
+                node.should.eql(list);
+                
+                done();
+            }).catch(function(e) {
+                done(e);
+            });
+            
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('fails to add non-existent filename', function(done) {
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load("wontexist",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            typeRegistry.addNode(resourcesDir + "DoesNotExist/DoesNotExist.js").then(function(nodes) {
+                nodes.should.be.an.Array.and.have.lengthOf(1);
+                nodes[0].should.have.property("id");
+                nodes[0].should.have.property("types",[]);
+                nodes[0].should.have.property("err");
+                done();
+            }).otherwise(function(e) {
+                done(e);
+            });
+            
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('returns node info by type or id', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load(resourcesDir + "TestNode1",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            
+            var id = list[0].id;
+            var type = list[0].types[0];
+            
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNode1.js");
+            list[0].should.have.property("types",["test-node-1"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+            
+            var info = typeRegistry.getNodeInfo(id);
+            list[0].should.eql(info);
+
+            var info2 = typeRegistry.getNodeInfo(type);
+            list[0].should.eql(info2);
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+            
+    });
+    
+    
+    it('rejects adding duplicate nodes', function(done) {
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load(resourcesDir + "TestNode1",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            
+            typeRegistry.addNode({file:resourcesDir + "TestNode1" + path.sep + "TestNode1.js"}).then(function(node) {
+                done(new Error("duplicate node loaded"));
+            }).otherwise(function(e) {
+                var list = typeRegistry.getNodeList();
+                list.should.be.an.Array.and.have.lengthOf(1);
+                done();
+            });
+            
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('removes nodes from the registry', function(done) {
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load(resourcesDir + "TestNode1",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNode1.js");
+            list[0].should.have.property("types",["test-node-1"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.have.property("loaded",true);
+
+            typeRegistry.getNodeConfigs().length.should.be.greaterThan(0);
+            
+            var info = typeRegistry.removeNode(list[0].id);
+            
+            info.should.have.property("id",list[0].id);
+            info.should.have.property("enabled",false);
+            info.should.have.property("loaded",false);
+            
+            typeRegistry.getNodeList().should.be.an.Array.and.be.empty;
+            typeRegistry.getNodeConfigs().length.should.equal(0);
+            
+            var nodeConstructor = typeRegistry.get("test-node-1");
+            (typeof nodeConstructor).should.be.equal("undefined");
+            
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('rejects removing unknown nodes from the registry', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load("wontexist",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+
+            
+            /*jshint immed: false */
+            (function() {
+                typeRegistry.removeNode("1234");
+            }).should.throw();
+
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('scans the node_modules path for node files', function(done) {
+        var fs = require("fs");
+        var path = require("path");
+        
+        var eventEmitSpy = sinon.spy(events,"emit");
+        var pathJoin = (function() {
+            var _join = path.join;
+            return sinon.stub(path,"join",function() {
+                if (arguments.length  == 3 && arguments[2] == "package.json") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1],arguments[2]);
+                }
+                if (arguments.length == 2 && arguments[1] == "TestNodeModule") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1]);
+                }
+                return _join.apply(this,arguments);
+            });
+        })();
+        
+        var readdirSync = (function() {
+            var originalReaddirSync = fs.readdirSync;
+            var callCount = 0;
+            return sinon.stub(fs,"readdirSync",function(dir) {
+                var result = [];
+                if (callCount == 1) {
+                    result = originalReaddirSync(resourcesDir + "TestNodeModule" + path.sep + "node_modules");
+                }
+                callCount++;
+                return result;
+            });
+        })();
+        
+        typeRegistry.init(settings);
+        typeRegistry.load("wontexist",false).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(2);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNodeModule:TestNodeMod1");
+            list[0].should.have.property("types",["test-node-mod-1"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+
+            list[1].should.have.property("id");
+            list[1].should.have.property("name","TestNodeModule:TestNodeMod2");
+            list[1].should.have.property("types",["test-node-mod-2"]);
+            list[1].should.have.property("enabled",true);
+            list[1].should.have.property("err");
+            
+            
+            eventEmitSpy.callCount.should.equal(2);
+            
+            eventEmitSpy.firstCall.args[0].should.be.equal("node-icon-dir");
+            eventEmitSpy.firstCall.args[1].should.be.equal(
+                    resourcesDir + "TestNodeModule" + path.sep+ "node_modules" + path.sep + "TestNodeModule" + path.sep + "icons");
+
+            eventEmitSpy.secondCall.args[0].should.be.equal("type-registered");
+            eventEmitSpy.secondCall.args[1].should.be.equal("test-node-mod-1");
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        }).finally(function() {
+            readdirSync.restore();
+            pathJoin.restore();
+            eventEmitSpy.restore();
+        });
+    });
+    
+    it('allows nodes to be added by module name', function(done) {
+        var fs = require("fs");
+        var path = require("path");
+
+        var pathJoin = (function() {
+            var _join = path.join;
+            return sinon.stub(path,"join",function() {
+                if (arguments.length  == 3 && arguments[2] == "package.json") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1],arguments[2]);
+                }
+                if (arguments.length == 2 && arguments[1] == "TestNodeModule") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1]);
+                }
+                return _join.apply(this,arguments);
+            });
+        })();
+        
+        var readdirSync = (function() {
+            var originalReaddirSync = fs.readdirSync;
+            var callCount = 0;
+            return sinon.stub(fs,"readdirSync",function(dir) {
+                var result = [];
+                if (callCount == 1) {
+                    result = originalReaddirSync(resourcesDir + "TestNodeModule" + path.sep + "node_modules");
+                }
+                callCount++;
+                return result;
+            });
+        })();
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load("wontexist",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            
+            typeRegistry.addModule("TestNodeModule").then(function(node) {
+                list = typeRegistry.getNodeList();
+                list.should.be.an.Array.and.have.lengthOf(2);
+                list[0].should.have.property("id");
+                list[0].should.have.property("name","TestNodeModule:TestNodeMod1");
+                list[0].should.have.property("types",["test-node-mod-1"]);
+                list[0].should.have.property("enabled",true);
+                list[0].should.not.have.property("err");
+
+                list[1].should.have.property("id");
+                list[1].should.have.property("name","TestNodeModule:TestNodeMod2");
+                list[1].should.have.property("types",["test-node-mod-2"]);
+                list[1].should.have.property("enabled",true);
+                list[1].should.have.property("err");
+                
+                node.should.eql(list);
+                
+                done();
+            }).catch(function(e) {
+                done(e);
+            });
+            
+        }).catch(function(e) {
+            done(e);
+        }).finally(function() {
+            readdirSync.restore();
+            pathJoin.restore();
+        });
+    });
+    
+    
+    it('rejects adding duplicate node modules', function(done) {
+        var fs = require("fs");
+        var path = require("path");
+
+        var pathJoin = (function() {
+            var _join = path.join;
+            return sinon.stub(path,"join",function() {
+                if (arguments.length  == 3 && arguments[2] == "package.json") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1],arguments[2]);
+                }
+                if (arguments.length == 2 && arguments[1] == "TestNodeModule") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1]);
+                }
+                return _join.apply(this,arguments);
+            });
+        })();
+        
+        var readdirSync = (function() {
+            var originalReaddirSync = fs.readdirSync;
+            var callCount = 0;
+            return sinon.stub(fs,"readdirSync",function(dir) {
+                var result = [];
+                if (callCount == 1) {
+                    result = originalReaddirSync(resourcesDir + "TestNodeModule" + path.sep + "node_modules");
+                }
+                callCount++;
+                return result;
+            });
+        })();
+
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load('wontexist',false).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(2);
+            typeRegistry.addModule("TestNodeModule").then(function(node) {
+                done(new Error("addModule resolved"));
+            }).otherwise(function(err) {
+                done();
+            });
+        }).catch(function(e) {
+            done(e);
+        }).finally(function() {
+            readdirSync.restore();
+            pathJoin.restore();
+        });
+    });
+    
+    
+    it('fails to add non-existent module name', function(done) {
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load("wontexist",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            
+            typeRegistry.addModule("DoesNotExistModule").then(function(node) {
+                done(new Error("ENOENT not thrown"));
+            }).otherwise(function(e) {
+                e.code.should.eql("MODULE_NOT_FOUND");
+                done();
+            });
+            
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('removes nodes from the registry by module', function(done) {
+        var fs = require("fs");
+        var path = require("path");
+
+        var pathJoin = (function() {
+            var _join = path.join;
+            return sinon.stub(path,"join",function() {
+                if (arguments.length  == 3 && arguments[2] == "package.json") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1],arguments[2]);
+                }
+                if (arguments.length == 2 && arguments[1] == "TestNodeModule") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1]);
+                }
+                return _join.apply(this,arguments);
+            });
+        })();
+        
+        var readdirSync = (function() {
+            var originalReaddirSync = fs.readdirSync;
+            var callCount = 0;
+            return sinon.stub(fs,"readdirSync",function(dir) {
+                var result = [];
+                if (callCount == 1) {
+                    result = originalReaddirSync(resourcesDir + "TestNodeModule" + path.sep + "node_modules");
+                }
+                callCount++;
+                return result;
+            });
+        })();
+
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load('wontexist',false).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(2);
+            var res = typeRegistry.removeModule("TestNodeModule");
+            
+            res.should.be.an.Array.and.have.lengthOf(2);
+            res[0].should.have.a.property("id",list[0].id);
+            res[1].should.have.a.property("id",list[1].id);
+            
+            list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        }).finally(function() {
+            readdirSync.restore();
+            pathJoin.restore();
+        });
+            
+    });
+    
+    it('fails to remove non-existent module name', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load("wontexist",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            
+            /*jshint immed: false */
+            (function() {
+                typeRegistry.removeModule("DoesNotExistModule");
+            }).should.throw();
+            
+            done();
+            
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    
+    it('allows nodes to be enabled and disabled', function(done) {
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load(resourcesDir+path.sep+"TestNode1",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNode1.js");
+            list[0].should.have.property("enabled",true);
+            
+            var nodeConfig = typeRegistry.getNodeConfigs();
+            nodeConfig.length.should.be.greaterThan(0);
+            
+            var info = typeRegistry.disableNode(list[0].id);
+            info.should.have.property("id",list[0].id);
+            info.should.have.property("enabled",false);
+            
+            var list2 = typeRegistry.getNodeList();
+            list2.should.be.an.Array.and.have.lengthOf(1);
+            list2[0].should.have.property("enabled",false);
+            
+            typeRegistry.getNodeConfigs().length.should.equal(0);
+            
+            var info2 = typeRegistry.enableNode(list[0].id);
+            info2.should.have.property("id",list[0].id);
+            info2.should.have.property("enabled",true);
+            
+            var list3 = typeRegistry.getNodeList();
+            list3.should.be.an.Array.and.have.lengthOf(1);
+            list3[0].should.have.property("enabled",true);
+            
+            var nodeConfig2 = typeRegistry.getNodeConfigs();
+            nodeConfig2.should.eql(nodeConfig);
+
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('fails to enable/disable non-existent nodes', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load("wontexist",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            
+            /*jshint immed: false */
+            (function() {
+                    typeRegistry.disableNode("123");
+            }).should.throw();
+            
+            /*jshint immed: false */
+            (function() {
+                typeRegistry.enableNode("123");
+            }).should.throw();
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+});
diff --git a/dgbuilder/test/red/nodes/resources/DuplicateTestNode/TestNode1.html b/dgbuilder/test/red/nodes/resources/DuplicateTestNode/TestNode1.html
new file mode 100644
index 0000000..b637ede
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/DuplicateTestNode/TestNode1.html
@@ -0,0 +1,3 @@
+<script type="text/x-red" data-template-name="test-node-1"></script>
+<script type="text/x-red" data-help-name="test-node-1"></script>
+<script type="text/javascript">RED.nodes.registerType('test-node-1',{});</script>
diff --git a/dgbuilder/test/red/nodes/resources/DuplicateTestNode/TestNode1.js b/dgbuilder/test/red/nodes/resources/DuplicateTestNode/TestNode1.js
new file mode 100644
index 0000000..e812141
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/DuplicateTestNode/TestNode1.js
@@ -0,0 +1,5 @@
+// A test node that exports a function
+module.exports = function(RED) {
+    function DuplicateTestNode(n) {}
+    RED.nodes.registerType("test-node-1",DuplicateTestNode);
+}
diff --git a/dgbuilder/test/red/nodes/resources/MultipleNodes1/MultipleNodes1.html b/dgbuilder/test/red/nodes/resources/MultipleNodes1/MultipleNodes1.html
new file mode 100644
index 0000000..5359644
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/MultipleNodes1/MultipleNodes1.html
@@ -0,0 +1,6 @@
+<script type="text/x-red" data-template-name="test-node-multiple-1a"></script>
+<script type="text/x-red" data-help-name="test-node-multiple-1a"></script>
+<script type="text/javascript">RED.nodes.registerType('test-node-multiple-1a',{});</script>
+<script type="text/x-red" data-template-name="test-node-multiple-1b"></script>
+<script type="text/x-red" data-help-name="test-node-multiple-1b"></script>
+<script type="text/javascript">RED.nodes.registerType('test-node-multiple-1b',{});</script>
diff --git a/dgbuilder/test/red/nodes/resources/MultipleNodes1/MultipleNodes1.js b/dgbuilder/test/red/nodes/resources/MultipleNodes1/MultipleNodes1.js
new file mode 100644
index 0000000..55747c0
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/MultipleNodes1/MultipleNodes1.js
@@ -0,0 +1,7 @@
+// A test node that exports a function
+module.exports = function(RED) {
+    function TestNode1(n) {}
+    RED.nodes.registerType("test-node-multiple-1a",TestNode1);
+    function TestNode2(n) {}
+    RED.nodes.registerType("test-node-multiple-1b",TestNode2);
+}
diff --git a/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/NestedNode.html b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/NestedNode.html
new file mode 100644
index 0000000..abc823e
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/NestedNode.html
@@ -0,0 +1,4 @@
+<script type="text/x-red" data-template-name="nested-node-1"></script>
+<script type="text/x-red" data-help-name="nested-node-1"></script>
+<script type="text/javascript">RED.nodes.registerType('nested-node-1',{});</script>
+<style></style>
diff --git a/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/NestedNode.js b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/NestedNode.js
new file mode 100644
index 0000000..cd3148a
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/NestedNode.js
@@ -0,0 +1,5 @@
+// A test node that exports a function
+module.exports = function(RED) {
+    function TestNode(n) {}
+    RED.nodes.registerType("nested-node-1",TestNode);
+}
diff --git a/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/icons/file.txt b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/icons/file.txt
new file mode 100644
index 0000000..59a29af
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/icons/file.txt
@@ -0,0 +1,3 @@
+This file exists just to ensure the 'icons' directory is in the repository.
+TODO: a future test needs to ensure the right icon files are loaded - this
+      directory can be used for that
diff --git a/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/lib/ShouldNotLoad.html b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/lib/ShouldNotLoad.html
new file mode 100644
index 0000000..ac9235d
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/lib/ShouldNotLoad.html
@@ -0,0 +1,4 @@
+<script type="text/x-red" data-template-name="should-not-load-1"></script>
+<script type="text/x-red" data-help-name="should-not-load-1"></script>
+<script type="text/javascript">RED.nodes.registerType('should-not-load-1',{});</script>
+<style></style>
diff --git a/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/lib/ShouldNotLoad.js b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/lib/ShouldNotLoad.js
new file mode 100644
index 0000000..8af249b
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/lib/ShouldNotLoad.js
@@ -0,0 +1,5 @@
+// A test node that exports a function
+module.exports = function(RED) {
+    function TestNode(n) {}
+    RED.nodes.registerType("should-not-load-1",TestNode);
+}
diff --git a/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/test/ShouldNotLoad.html b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/test/ShouldNotLoad.html
new file mode 100644
index 0000000..4212fd5
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/test/ShouldNotLoad.html
@@ -0,0 +1,4 @@
+<script type="text/x-red" data-template-name="should-not-load-3"></script>
+<script type="text/x-red" data-help-name="should-not-load-3"></script>
+<script type="text/javascript">RED.nodes.registerType('should-not-load-3',{});</script>
+<style></style>
diff --git a/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/test/ShouldNotLoad.js b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/test/ShouldNotLoad.js
new file mode 100644
index 0000000..5856ada
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/test/ShouldNotLoad.js
@@ -0,0 +1,5 @@
+// A test node that exports a function
+module.exports = function(RED) {
+    function TestNode(n) {}
+    RED.nodes.registerType("should-not-load-3",TestNode);
+}
diff --git a/dgbuilder/test/red/nodes/resources/TestNode1/TestNode1.html b/dgbuilder/test/red/nodes/resources/TestNode1/TestNode1.html
new file mode 100644
index 0000000..97dbf17
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/TestNode1/TestNode1.html
@@ -0,0 +1,5 @@
+<script type="text/x-red" data-template-name="test-node-1"></script>
+<script type="text/x-red" data-help-name="test-node-1"></script>
+<script type="text/javascript">RED.nodes.registerType('test-node-1',{});</script>
+<style></style>
+<p>this should be filtered out</p>
diff --git a/dgbuilder/test/red/nodes/resources/TestNode1/TestNode1.js b/dgbuilder/test/red/nodes/resources/TestNode1/TestNode1.js
new file mode 100644
index 0000000..bfa3b65
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/TestNode1/TestNode1.js
@@ -0,0 +1,5 @@
+// A test node that exports a function
+module.exports = function(RED) {
+    function TestNode(n) {}
+    RED.nodes.registerType("test-node-1",TestNode);
+}
diff --git a/dgbuilder/test/red/nodes/resources/TestNode2/TestNode2.html b/dgbuilder/test/red/nodes/resources/TestNode2/TestNode2.html
new file mode 100644
index 0000000..66b6590
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/TestNode2/TestNode2.html
@@ -0,0 +1,4 @@
+<script type="text/x-red" data-template-name="test-node-2"></script>
+<script type="text/x-red" data-help-name="test-node-2"></script>
+<script type="text/javascript">RED.nodes.registerType('test-node-2',{});</script>
+<style></style>
diff --git a/dgbuilder/test/red/nodes/resources/TestNode2/TestNode2.js b/dgbuilder/test/red/nodes/resources/TestNode2/TestNode2.js
new file mode 100644
index 0000000..faf61a8
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/TestNode2/TestNode2.js
@@ -0,0 +1,10 @@
+// A test node that exports a function which returns a resolving promise
+
+var when = require("when");
+module.exports = function(RED) {
+    return when.promise(function(resolve,reject) {
+        function TestNode(n) {}
+        RED.nodes.registerType("test-node-2",TestNode);
+        resolve();
+    });
+}
diff --git a/dgbuilder/test/red/nodes/resources/TestNode3/TestNode3.html b/dgbuilder/test/red/nodes/resources/TestNode3/TestNode3.html
new file mode 100644
index 0000000..9a0f6f7
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/TestNode3/TestNode3.html
@@ -0,0 +1,3 @@
+<script type="text/x-red" data-template-name="test-node-3"></script>
+<script type="text/x-red" data-help-name="test-node-3"></script>
+<script type="text/javascript">RED.nodes.registerType('test-node-3',{});</script>
diff --git a/dgbuilder/test/red/nodes/resources/TestNode3/TestNode3.js b/dgbuilder/test/red/nodes/resources/TestNode3/TestNode3.js
new file mode 100644
index 0000000..756dc13
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/TestNode3/TestNode3.js
@@ -0,0 +1,8 @@
+// A test node that exports a function which returns a rejecting promise
+
+var when = require("when");
+module.exports = function(RED) {
+    return when.promise(function(resolve,reject) {
+        reject("fail");
+    });
+}
diff --git a/dgbuilder/test/red/red_spec.js b/dgbuilder/test/red/red_spec.js
new file mode 100644
index 0000000..f61fd55
--- /dev/null
+++ b/dgbuilder/test/red/red_spec.js
@@ -0,0 +1,22 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+var should = require("should");
+
+describe("red/red", function() {
+    it('can be required without errors', function() {
+        require("../../red/red");
+    });
+});
diff --git a/dgbuilder/test/red/server_spec.js b/dgbuilder/test/red/server_spec.js
new file mode 100644
index 0000000..b20249c
--- /dev/null
+++ b/dgbuilder/test/red/server_spec.js
@@ -0,0 +1,22 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+var should = require("should");
+
+describe("red/server", function() {
+    it('can be required without errors', function() {
+        require("../../red/server");
+    });
+});
diff --git a/dgbuilder/test/red/settings_spec.js b/dgbuilder/test/red/settings_spec.js
new file mode 100644
index 0000000..fb4cbad
--- /dev/null
+++ b/dgbuilder/test/red/settings_spec.js
@@ -0,0 +1,114 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+var should = require("should");
+var when = require("when");
+
+var settings = require("../../red/settings");
+
+
+describe("red/settings", function() {
+        
+    afterEach(function() {
+        settings.reset();
+    });
+    
+    it('wraps the user settings as read-only properties', function() {
+        var userSettings = {
+            a: 123,
+            b: "test",
+            c: [1,2,3]
+        }
+        settings.init(userSettings);
+        
+        settings.available().should.be.false;
+        
+        settings.a.should.equal(123);
+        settings.b.should.equal("test");
+        settings.c.should.be.an.Array.with.lengthOf(3);
+        
+        settings.get("a").should.equal(123);
+        settings.get("b").should.equal("test");
+        settings.get("c").should.be.an.Array.with.lengthOf(3);
+        
+        /*jshint immed: false */
+        (function() {
+            settings.a = 456;
+        }).should.throw();
+        
+        settings.c.push(5);
+        settings.c.should.be.an.Array.with.lengthOf(4);
+
+        /*jshint immed: false */
+        (function() {
+            settings.set("a",456);
+        }).should.throw();
+        
+        /*jshint immed: false */
+        (function() {
+            settings.set("a",456);
+        }).should.throw();
+
+        /*jshint immed: false */
+        (function() {
+            settings.get("unknown");
+        }).should.throw();
+
+        /*jshint immed: false */
+        (function() {
+            settings.set("unknown",456);
+        }).should.throw();
+        
+    });
+    
+    it('loads global settings from storage', function(done) {
+        var userSettings = {
+            a: 123,
+            b: "test",
+            c: [1,2,3]
+        }
+        var savedSettings = null;
+        var storage = {
+            getSettings: function() {
+                return when.resolve({globalA:789});
+            },
+            saveSettings: function(settings) {
+                savedSettings = settings;
+                return when.resolve();
+            }
+        }
+        settings.init(userSettings);
+
+        settings.available().should.be.false;
+        
+        /*jshint immed: false */
+        (function() {
+            settings.get("unknown");
+        }).should.throw();
+
+        settings.load(storage).then(function() {
+            settings.available().should.be.true;
+            settings.get("globalA").should.equal(789);
+            settings.set("globalA","abc").then(function() {
+                    savedSettings.globalA.should.equal("abc");
+                    done();
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+        
+        
+    });
+});
diff --git a/dgbuilder/test/red/storage/index_spec.js b/dgbuilder/test/red/storage/index_spec.js
new file mode 100644
index 0000000..4b60ba8
--- /dev/null
+++ b/dgbuilder/test/red/storage/index_spec.js
@@ -0,0 +1,128 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+var should = require("should");
+
+describe("red/storage/index", function() {
+    
+    it('rejects the promise when settings suggest loading a bad module', function(done) {
+        
+        var wrongModule = {
+                storageModule : "thisaintloading"
+        };
+        
+        var storage = require("../../../red/storage/index");
+       storage.init(wrongModule).then( function() {
+           var one = 1;
+           var zero = 0;
+           try {
+               zero.should.equal(one, "The initialization promise should never get resolved");   
+           } catch(err) {
+               done(err);
+           }
+       }).catch(function(e) {
+           done(); //successfully rejected promise
+       });
+    });
+    
+    it('non-string storage module', function(done) {
+        var initSetsMeToTrue = false;
+        
+        var moduleWithBooleanSettingInit = {
+                init : function() {
+                    initSetsMeToTrue = true;
+                }
+        };
+        
+        var setsBooleanModule = {
+                storageModule : moduleWithBooleanSettingInit
+        };
+        
+        var storage = require("../../../red/storage/index");
+        storage.init(setsBooleanModule);
+        initSetsMeToTrue.should.be.true;
+        done();
+    });
+    
+    it('respects storage interface', function(done) {
+        var calledFlagGetFlows = false;
+        var calledFlagGetCredentials = false;
+        var calledFlagGetAllFlows = false;
+        var calledInit = false;
+        
+        var interfaceCheckerModule = {
+                init : function (settings) {
+                    settings.should.be.an.Object;
+                    calledInit = true;
+                },
+                getFlows : function() {
+                    calledFlagGetFlows = true;
+                },
+                saveFlows : function (flows) {
+                    flows.should.be.true;
+                },
+                getCredentials : function() {
+                    calledFlagGetCredentials = true;
+                },
+                saveCredentials : function(credentials) {
+                    credentials.should.be.true;
+                },
+                getAllFlows : function() {
+                    calledFlagGetAllFlows = true;
+                },
+                getFlow : function(fn) {
+                    fn.should.equal("name");
+                },
+                saveFlow : function(fn, data) {
+                    fn.should.equal("name");
+                    data.should.be.true;
+                },
+                getLibraryEntry : function(type, path) {
+                    type.should.be.true;
+                    path.should.equal("name");
+                },
+                saveLibraryEntry : function(type, path, meta, body) {
+                    type.should.be.true;
+                    path.should.equal("name");
+                    meta.should.be.true;
+                    body.should.be.true;
+                }
+        };
+        
+        var moduleToLoad = {
+                storageModule : interfaceCheckerModule
+        };
+        var storage = require("../../../red/storage/index");
+        
+        storage.init(moduleToLoad);
+        storage.getFlows();
+        storage.saveFlows(true);
+        storage.getCredentials(); 
+        storage.saveCredentials(true);
+        storage.getAllFlows();
+        storage.getFlow("name");
+        storage.saveFlow("name", true);
+        storage.getLibraryEntry(true, "name");
+        storage.saveLibraryEntry(true, "name", true, true);
+        
+        calledInit.should.be.true;
+        calledFlagGetFlows.should.be.true;
+        calledFlagGetCredentials.should.be.true;
+        calledFlagGetAllFlows.should.be.true;
+        
+        done();
+    });
+    
+});
diff --git a/dgbuilder/test/red/storage/localfilesystem_spec.js b/dgbuilder/test/red/storage/localfilesystem_spec.js
new file mode 100644
index 0000000..a131170
--- /dev/null
+++ b/dgbuilder/test/red/storage/localfilesystem_spec.js
@@ -0,0 +1,367 @@
+/**
+ * Copyright 2013, 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var should = require("should");
+var fs = require('fs-extra');
+var path = require('path');
+
+var localfilesystem = require("../../../red/storage/localfilesystem");
+
+describe('LocalFileSystem', function() {
+    var userDir = path.join(__dirname,".testUserHome");
+    var testFlow = [{"type":"tab","id":"d8be2a6d.2741d8","label":"Sheet 1"}];
+    beforeEach(function(done) {
+        fs.remove(userDir,function(err) {
+            fs.mkdir(userDir,done);
+        });
+    });
+    afterEach(function(done) {
+        fs.remove(userDir,done);
+    });
+
+    it('should initialise the user directory',function(done) {
+        localfilesystem.init({userDir:userDir}).then(function() {
+            fs.existsSync(path.join(userDir,"lib")).should.be.true;
+            fs.existsSync(path.join(userDir,"lib",'flows')).should.be.true;
+            done();
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    it('should handle missing flow file',function(done) {
+        localfilesystem.init({userDir:userDir}).then(function() {
+            var flowFile = 'flows_'+require('os').hostname()+'.json';
+            var flowFilePath = path.join(userDir,flowFile);
+            fs.existsSync(flowFilePath).should.be.false;
+            localfilesystem.getFlows().then(function(flows) {
+                flows.should.eql([]);
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    it('should save flows to the default file',function(done) {
+        localfilesystem.init({userDir:userDir}).then(function() {
+            var flowFile = 'flows_'+require('os').hostname()+'.json';
+            var flowFilePath = path.join(userDir,flowFile);
+            var flowFileBackupPath = path.join(userDir,"flows.backup");
+            fs.existsSync(flowFilePath).should.be.false;
+            fs.existsSync(flowFileBackupPath).should.be.false;
+            localfilesystem.saveFlows(testFlow).then(function() {
+                fs.existsSync(flowFilePath).should.be.true;
+                fs.existsSync(flowFileBackupPath).should.be.false;
+                localfilesystem.getFlows().then(function(flows) {
+                    flows.should.eql(testFlow);
+                    done();
+                }).otherwise(function(err) {
+                    done(err);
+                });
+            }).otherwise(function(err) {
+                done(err);
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    it('should save flows to the specified file',function(done) {
+        var defaultFlowFile = 'flows_'+require('os').hostname()+'.json';
+        var defaultFlowFilePath = path.join(userDir,defaultFlowFile);
+        var flowFile = 'test.json';
+        var flowFilePath = path.join(userDir,flowFile);
+
+        localfilesystem.init({userDir:userDir, flowFile:flowFilePath}).then(function() {
+            fs.existsSync(defaultFlowFilePath).should.be.false;
+            fs.existsSync(flowFilePath).should.be.false;
+
+            localfilesystem.saveFlows(testFlow).then(function() {
+                fs.existsSync(defaultFlowFilePath).should.be.false;
+                fs.existsSync(flowFilePath).should.be.true;
+                localfilesystem.getFlows().then(function(flows) {
+                    flows.should.eql(testFlow);
+                    done();
+                }).otherwise(function(err) {
+                    done(err);
+                });
+            }).otherwise(function(err) {
+                done(err);
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    it('should backup the flows file', function(done) {
+        var defaultFlowFile = 'flows_'+require('os').hostname()+'.json';
+        var defaultFlowFilePath = path.join(userDir,defaultFlowFile);
+        var flowFile = 'test.json';
+        var flowFilePath = path.join(userDir,flowFile);
+        var flowFileBackupPath = path.join(userDir,"flows.backup");
+
+        localfilesystem.init({userDir:userDir, flowFile:flowFilePath}).then(function() {
+            fs.existsSync(defaultFlowFilePath).should.be.false;
+            fs.existsSync(flowFilePath).should.be.false;
+            fs.existsSync(flowFileBackupPath).should.be.false;
+
+            localfilesystem.saveFlows(testFlow).then(function() {
+                fs.existsSync(flowFileBackupPath).should.be.false;
+                fs.existsSync(defaultFlowFilePath).should.be.false;
+                fs.existsSync(flowFilePath).should.be.true;
+                var content = fs.readFileSync(flowFilePath,'utf8');
+                var testFlow2 = [{"type":"tab","id":"bc5672ad.2741d8","label":"Sheet 2"}];
+                
+                localfilesystem.saveFlows(testFlow2).then(function() {
+                    fs.existsSync(flowFileBackupPath).should.be.true;
+                    fs.existsSync(defaultFlowFilePath).should.be.false;
+                    fs.existsSync(flowFilePath).should.be.true;
+                    var backupContent = fs.readFileSync(flowFileBackupPath,'utf8');
+                    content.should.equal(backupContent);
+                    var content2 = fs.readFileSync(flowFilePath,'utf8');
+                    content2.should.not.equal(backupContent);
+                    done();
+                    
+                }).otherwise(function(err) {
+                    done(err);
+                });
+                
+            }).otherwise(function(err) {
+                done(err);
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+            
+            
+    });
+    
+    it('should handle missing credentials', function(done) {
+        var flowFile = 'test.json';
+        var flowFilePath = path.join(userDir,flowFile);
+        var credFile = path.join(userDir,"test_cred.json");
+        localfilesystem.init({userDir:userDir, flowFile:flowFilePath}).then(function() {
+            fs.existsSync(credFile).should.be.false;
+
+            localfilesystem.getCredentials().then(function(creds) {
+                creds.should.eql({});
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    it('should handle credentials', function(done) {
+        var flowFile = 'test.json';
+        var flowFilePath = path.join(userDir,flowFile);
+        var credFile = path.join(userDir,"test_cred.json");
+
+        localfilesystem.init({userDir:userDir, flowFile:flowFilePath}).then(function() {
+
+            fs.existsSync(credFile).should.be.false;
+
+            var credentials = {"abc":{"type":"creds"}};
+
+            localfilesystem.saveCredentials(credentials).then(function() {
+                fs.existsSync(credFile).should.be.true;
+                localfilesystem.getCredentials().then(function(creds) {
+                    creds.should.eql(credentials);
+                    done();
+                }).otherwise(function(err) {
+                    done(err);
+                });
+            }).otherwise(function(err) {
+                done(err);
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    it('should return an empty list of library flows',function(done) {
+        localfilesystem.init({userDir:userDir}).then(function() {
+            localfilesystem.getAllFlows().then(function(flows) {
+                flows.should.eql({});
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    it('should return a valid list of library flows',function(done) {
+        localfilesystem.init({userDir:userDir}).then(function() {
+            var flowLib = path.join(userDir,"lib","flows");
+            fs.closeSync(fs.openSync(path.join(flowLib,"A.json"),"w"));
+            fs.closeSync(fs.openSync(path.join(flowLib,"B.json"),"w"));
+            fs.mkdirSync(path.join(flowLib,"C"));
+            fs.closeSync(fs.openSync(path.join(flowLib,"C","D.json"),"w"));
+            var testFlowsList = {"d":{"C":{"f":["D"]}},"f":["A","B"]};
+
+            localfilesystem.getAllFlows().then(function(flows) {
+                flows.should.eql(testFlowsList);
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    it('should fail a non-existent flow', function(done) {
+        localfilesystem.init({userDir:userDir}).then(function() {
+            localfilesystem.getFlow("a/b/c.json").then(function(flow) {
+                should.fail(flow,"No flow","Flow found");
+            }).otherwise(function(err) {
+                // err should be null, so this will pass
+                done(err);
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    it('should return a flow',function(done) {
+        localfilesystem.init({userDir:userDir}).then(function() {
+            var testflowString = JSON.stringify(testFlow);
+            localfilesystem.saveFlow("a/b/c/d.json",testflowString).then(function() {
+                localfilesystem.getFlow("a/b/c/d.json").then(function(flow) {
+                    flow.should.eql(testflowString);
+                    done();
+                }).otherwise(function(err) {
+                    done(err);
+                });
+            }).otherwise(function(err) {
+                done(err);
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    it('should return an empty list of library objects',function(done) {
+        localfilesystem.init({userDir:userDir}).then(function() {
+            localfilesystem.getLibraryEntry('object','').then(function(flows) {
+                flows.should.eql({});
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    it('should return an error for a non-existent library object',function(done) {
+        localfilesystem.init({userDir:userDir}).then(function() {
+            localfilesystem.getLibraryEntry('object','A/B').then(function(flows) {
+                should.fail(null,null,"non-existent flow");
+            }).otherwise(function(err) {
+                should.exist(err);
+                done();
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    function createObjectLibrary() {
+        var objLib = path.join(userDir,"lib","object");
+        fs.mkdirSync(objLib);
+        fs.mkdirSync(path.join(objLib,"A"));
+        fs.mkdirSync(path.join(objLib,"B"));
+        fs.mkdirSync(path.join(objLib,"B","C"));
+        fs.writeFileSync(path.join(objLib,"file1.js"),"// abc: def\n// not a metaline \n\n Hi",'utf8');
+        fs.writeFileSync(path.join(objLib,"B","file2.js"),"// ghi: jkl\n// not a metaline \n\n Hi",'utf8');
+    }
+
+    it('should return a directory listing of library objects',function(done) {
+        localfilesystem.init({userDir:userDir}).then(function() {
+            createObjectLibrary();
+
+            localfilesystem.getLibraryEntry('object','').then(function(flows) {
+                flows.should.eql([ 'A', 'B', { abc: 'def', fn: 'file1.js' } ]);
+                localfilesystem.getLibraryEntry('object','B').then(function(flows) {
+                    flows.should.eql([ 'C', { ghi: 'jkl', fn: 'file2.js' } ]);
+                    localfilesystem.getLibraryEntry('object','B/C').then(function(flows) {
+                        flows.should.eql([]);
+                        done();
+                    }).otherwise(function(err) {
+                        done(err);
+                    });
+                }).otherwise(function(err) {
+                    done(err);
+                });
+            }).otherwise(function(err) {
+                done(err);
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    it('should return a library object',function(done) {
+        localfilesystem.init({userDir:userDir}).then(function() {
+            createObjectLibrary();
+            localfilesystem.getLibraryEntry('object','B/file2.js').then(function(body) {
+                body.should.eql("// not a metaline \n\n Hi");
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    it('should return a newly saved library object',function(done) {
+        localfilesystem.init({userDir:userDir}).then(function() {
+            createObjectLibrary();
+            localfilesystem.getLibraryEntry('object','B').then(function(flows) {
+                flows.should.eql([ 'C', { ghi: 'jkl', fn: 'file2.js' } ]);
+                localfilesystem.saveLibraryEntry('object','B/D/file3.js',{mno:'pqr'},"// another non meta line\n\n Hi There").then(function() {
+                    localfilesystem.getLibraryEntry('object','B/D').then(function(flows) {
+                        flows.should.eql([ { mno: 'pqr', fn: 'file3.js' } ]);
+                        localfilesystem.getLibraryEntry('object','B/D/file3.js').then(function(body) {
+                            body.should.eql("// another non meta line\n\n Hi There");
+                            done();
+                        }).otherwise(function(err) {
+                            done(err);
+                        });
+                    }).otherwise(function(err) {
+                        done(err);
+                    });
+                }).otherwise(function(err) {
+                    done(err);
+                });
+            }).otherwise(function(err) {
+                done(err);
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+});
diff --git a/dgbuilder/test/red/ui_spec.js b/dgbuilder/test/red/ui_spec.js
new file mode 100644
index 0000000..b9de7bf
--- /dev/null
+++ b/dgbuilder/test/red/ui_spec.js
@@ -0,0 +1,177 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+var request = require("supertest");
+var express = require("express");
+var redUI = require("../../red/ui");
+
+
+describe("red/ui icon handler", function() {
+    it('returns the default icon when getting an unknown icon', function(done) {
+        var app = express();
+        redUI({},app);
+        request(app)
+            .get("/icons/youwonthaveme.png")
+            .expect('Content-Type', /image\/png/)
+            .expect(200)
+            .end(function(err, res){
+                if (err){
+                    return done(err);
+                }
+                done();
+              });
+    });
+    
+    it('returns an icon from disk', function(done) {
+        var app = express();
+        redUI({},app);
+        request(app)
+            .get("/icons/arduino.png")
+            .expect('Content-Type', /image\/png/)
+            .expect(200)
+            .end(function(err, res){
+                if (err){
+                    return done(err);
+                }
+                done();
+              });
+    });
+});
+
+describe("icon cache handler", function() {
+    var fs = require('fs-extra');
+    var path = require('path');
+    var events = require("../../red/events");
+    
+    var tempDir = path.join(__dirname,".tmp/");
+    var cachedFakePNG = tempDir + "cacheMe.png";
+    
+    
+    beforeEach(function(done) {
+        fs.remove(tempDir,function(err) {
+            fs.mkdirSync(tempDir);
+            fs.writeFileSync(cachedFakePNG, "Hello PNG\n");
+            done();
+        });     
+    });
+    afterEach(function(done) {
+        fs.exists(cachedFakePNG, function(exists) {
+          if(exists) {
+              fs.unlinkSync(cachedFakePNG);
+          } 
+          fs.remove(tempDir,done);
+        })
+    });
+    
+    /*
+     * This test case test that:
+     * 1) any directory can be added to the path lookup (such as /tmp) by
+     * calling the right event
+     * 2) that a file we know exists gets cached so that the lookup/verification
+     * of actual existence doesn't occur again when a subsequent request comes in
+     * 
+     * The second point verifies that the cache works. If the cache wouldn't work
+     * the default PNG would be served
+     */
+    it('returns an icon using icon cache', function(done) {        
+        var app = express();
+        redUI({},app);
+        events.emit("node-icon-dir", tempDir);
+        request(app)
+            .get("/icons/cacheMe.png")
+            .expect('Content-Type', /image\/png/)
+            .expect(200)
+            .end(function(err, res){
+                if (err){
+                    return done(err);
+                }
+                fs.unlink(cachedFakePNG, function(err) {
+                    if(err) {
+                        return done(err);
+                    }
+                    request(app)
+                    .get("/icons/cacheMe.png")
+                    .expect('Content-Type', /text\/html/)
+                    .expect(404)
+                    .end(function(err, res){
+                        if (err){
+                            return done(err);
+                        }
+                        done();
+                      });
+                });
+              });
+    });
+});
+
+describe("red/ui settings handler", function() {
+    it('returns the provided settings', function(done) {
+        var settings = {
+                httpNodeRoot: "testHttpNodeRoot",
+                version: "testVersion",
+        };
+        var app = express();
+        redUI(settings,app);
+        request(app)
+            .get("/settings")
+            .expect('Content-Type', /application\/json/)
+            .expect(200, "{\n  \"httpNodeRoot\": \"testHttpNodeRoot\",\n  \"version\": \"testVersion\"\n}")
+            .end(function(err, res){
+                if (err){
+                    return done(err);
+                }
+                done();
+            });
+        
+    });
+});
+
+describe("red/ui root handler", function() {
+    it('server up the main page', function(done) {
+        var app = express();
+        redUI({},app);
+        
+        request(app)
+            .get("/")
+            .expect('Content-Type', /text\/html/)
+            .expect(200)
+            .end(function(err, res){
+                if (err){
+                    return done(err);
+                }
+                done();
+            });
+        
+    });
+    
+    it('redirects to path ending with /', function(done) {
+        var rapp = express();
+        redUI({},rapp);
+
+        var app = express().use('/root', rapp);
+        
+        request(app)
+        .get("/root")
+        .expect('Content-Type', /text\/plain/)
+        .expect(302)
+        .end(function(err, res){
+            if (err){
+                return done(err);
+            }
+            done();
+          });
+        
+    });
+});
diff --git a/dgbuilder/test/red/util_spec.js b/dgbuilder/test/red/util_spec.js
new file mode 100644
index 0000000..5200ef1
--- /dev/null
+++ b/dgbuilder/test/red/util_spec.js
@@ -0,0 +1,70 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+var should = require("should");
+var util = require("../../red/util");
+
+describe("red/util", function() {
+    describe('ensureString', function() {
+        it('strings are preserved', function() {
+            util.ensureString('string').should.equal('string');
+        });
+        it('Buffer is converted', function() {
+            var s = util.ensureString(new Buffer('foo'));
+            s.should.equal('foo');
+            (typeof s).should.equal('string');
+        });
+        it('Object is converted to JSON', function() {
+            var s = util.ensureString({foo: "bar"});
+            (typeof s).should.equal('string');
+            should.deepEqual(JSON.parse(s), {foo:"bar"});
+        });
+        it('stringifies other things', function() {
+            var s = util.ensureString(123);
+            (typeof s).should.equal('string');
+            s.should.equal('123');
+        });
+    });
+
+    describe('ensureBuffer', function() {
+        it('Buffers are preserved', function() {
+            var b = new Buffer('');
+            util.ensureBuffer(b).should.equal(b);
+        });
+        it('string is converted', function() {
+            var b = util.ensureBuffer('foo');
+            var expected = new Buffer('foo');
+            for (var i = 0; i < expected.length; i++) {
+                b[i].should.equal(expected[i]);
+            }
+            Buffer.isBuffer(b).should.equal(true);
+        });
+        it('Object is converted to JSON', function() {
+            var obj = {foo: "bar"}
+            var b = util.ensureBuffer(obj);
+            Buffer.isBuffer(b).should.equal(true);
+            should.deepEqual(JSON.parse(b), obj);
+        });
+        it('stringifies other things', function() {
+            var b = util.ensureBuffer(123);
+            Buffer.isBuffer(b).should.equal(true);
+            var expected = new Buffer('123');
+            for (var i = 0; i < expected.length; i++) {
+                b[i].should.equal(expected[i]);
+            }
+        });
+    });
+});
+
diff --git a/dgbuilder/test/resources/70-HTML-test-file.html b/dgbuilder/test/resources/70-HTML-test-file.html
new file mode 100644
index 0000000..a0932e1
--- /dev/null
+++ b/dgbuilder/test/resources/70-HTML-test-file.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html>
+<body>
+
+<h1>This is a test page for node 70-HTML</h1>
+
+<p>There's nothing to read here.</p>
+
+<ol id="colours">
+    <li>Blue</li>
+    <li>Red</li>
+</ol>
+
+<ul id="fruits">
+    <li>Apple</li>
+    <li>Pear</li>
+</ul>
+
+<ul id="vegetables">
+    <li>Potato</li>
+    <li>Parsnip</li>
+</ul>
+
+</body>
+</html>
\ No newline at end of file