Enhance vid CSIT tests, added for scaleout

Issue-ID: VID-323
Change-Id: I31ad377ee766eaf66c848ad802c33e21ea1dfe76
Signed-off-by: Sandra Koblosz <sandra.koblosz@nokia.com>
diff --git a/tests/vid/resources/simulators/SO.py b/tests/vid/resources/simulators/SO.py
index edc15f6..c119939 100644
--- a/tests/vid/resources/simulators/SO.py
+++ b/tests/vid/resources/simulators/SO.py
@@ -1,45 +1,115 @@
+# ============LICENSE_START=======================================================
+# INTEGRATION CSIT
+# ================================================================================
+# Copyright (C) 2018 Nokia Intellectual Property. All rights reserved.
+# ================================================================================
+# 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.
+# ============LICENSE_END=========================================================
+
+import json
 import logging
+from functools import partial
+from sys import argv
 from http.server import BaseHTTPRequestHandler, HTTPServer
 
 DEFAULT_PORT = 8443
 
 
 class SOHandler(BaseHTTPRequestHandler):
+    def __init__(self, expected_requests, expected_responses, *args, **kwargs):
 
-    def __init__(self, request, client_address, server):
-        self.response_on_get = self._read_on_get_response()
-        super().__init__(request, client_address, server)
+        self._expected_requests = expected_requests
+        self._expected_responses = expected_responses
+        super().__init__(*args, **kwargs)
 
     def do_POST(self):
-        logging.info('POST called')
+        logging.info(
+            'POST called. Expected POST REQUEST: ' + json.dumps(
+                self._expected_requests["post"]) + '\nExpected POST response: ' +
+            json.dumps(self._expected_responses["post"]))
         self.send_response(200)
         self._set_headers()
 
-        self.wfile.write(self.response_on_get.encode("utf-8"))
+        self.wfile.write(json.dumps(self._expected_responses["post"]).encode("utf-8"))
         return
 
     def do_GET(self):
-        logging.info('GET called')
+        logging.info(
+            'GET called. Expected GET REQUEST: ' + json.dumps(
+                self._expected_requests["get"]) + '\nExpected GET response: ' +
+            json.dumps(self._expected_responses["get"]))
         self.send_response(200)
         self._set_headers()
 
-        self.wfile.write(self.response_on_get.encode("utf-8"))
-        return
+        self.wfile.write(json.dumps(self._expected_responses["get"]).encode("utf-8"))
+        return self._expected_responses["get"]
+
+    def do_PUT(self):
+        request_body_json = self._get_request_body()
+        if request_body_json is not None:
+            self._apply_expected_data(request_body_json)
+            logging.info("EXPECTED RESPONSES: " + str(self._expected_responses))
+            logging.info("EXPECTED REQUESTS: " + str(self._expected_requests))
+            response_status = 200
+        else:
+            response_status = 400
+        self.send_response(response_status)
+        self._set_headers()
+
+    def _get_request_body(self):
+        content_len = int(self.headers['Content-Length'], 0)
+        parsed_req_body = None
+        if content_len > 0:
+            body = self.rfile.read(content_len)
+            body_decoded = body.decode('utf8')
+            logging.info("BODY: %s type: %s  body decoded: %s type: %s", str(body), type(body), str(body_decoded),
+                         type(body_decoded))
+            parsed_req_body = json.loads(body_decoded)
+        return parsed_req_body
+
+    def _apply_expected_data(self, request_body_json):
+        if self.path == '/setResponse':
+            logging.info("IN PUT /setResponse: " + str(request_body_json))
+            print("TYPE: %s and text: %s", type(request_body_json), str(request_body_json))
+            self._expected_responses.update(request_body_json)
+            print("TYPE: %s", type(request_body_json))
+        elif self.path == '/setRequest':
+            logging.info("IN PUT /setRequest: " + str(request_body_json))
+            self._expected_requests.update(request_body_json)
 
     def _set_headers(self):
         self.send_header('Content-Type', 'application/json')
         self.end_headers()
 
+
+class JsonFileToDictReader(object):
+
     @staticmethod
-    def _read_on_get_response():
-        with open('so_post_response.json', 'r') as file:
-            return file.read()
+    def read_expected_test_data(expected_responses_filename):
+        with open(expected_responses_filename, 'r') as file:
+            return json.load(file)
+
+
+def init_so_simulator():
+    expected_so_requests = JsonFileToDictReader.read_expected_test_data(argv[1])
+    expected_so_responses = JsonFileToDictReader.read_expected_test_data(argv[2])
+    logging.basicConfig(filename='output.log', level=logging.INFO)
+    handler = partial(SOHandler, expected_so_requests, expected_so_responses)
+    handler.protocol_version = "HTTP/1.0"
+    httpd = HTTPServer(('', DEFAULT_PORT), handler)
+    logging.info("serving on: " + str(httpd.socket.getsockname()))
+    httpd.serve_forever()
 
 
 if __name__ == '__main__':
-    logging.basicConfig(filename='output.log', level=logging.INFO)
-    SOHandler.protocol_version = "HTTP/1.0"
-
-    httpd = HTTPServer(('', DEFAULT_PORT), SOHandler)
-    logging.info("serving on: " + str(httpd.socket.getsockname()))
-    httpd.serve_forever()
+    init_so_simulator()