Adding viewToscamodels menu

Updated package.json file to include material table and material UI
react libraries. Added ViewToscalModals folder which contains js file,
corresponding test file and its snapshots

Issue-ID: CLAMP-544
Change-Id: I6b9328d6270fc32b41a152c91a9fd872f3524beb
Signed-off-by: drveerendra <vrajasekharaiah@att.com>
diff --git a/ui-react/src/components/dialogs/ViewToscaModals/ViewToscaModals.test.js b/ui-react/src/components/dialogs/ViewToscaModals/ViewToscaModals.test.js
new file mode 100644
index 0000000..4284dd3
--- /dev/null
+++ b/ui-react/src/components/dialogs/ViewToscaModals/ViewToscaModals.test.js
@@ -0,0 +1,89 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T 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 React from 'react';
+import { shallow } from 'enzyme';
+import ViewToscaModals from './ViewToscaModals';
+import { mount } from 'enzyme';
+
+
+describe('Verify ViewToscaModals', () => {
+	beforeEach(() => {
+		fetch.resetMocks();
+		fetch.mockImplementation(() => {
+			return Promise.resolve({
+				ok: true,
+				status: 200,
+				json: () => {
+					return Promise.resolve({
+						"index": "1",
+  					"toscaModelYaml":"MTCA",
+						"toscaModelName":"DCAE_MTCAConfig",
+						"version":"16",
+						"userId":"aj928f",
+						"policyType":"mtca",
+						"lastUpdatedDate":"05-07-2019 19:09:42"
+					});
+				}
+			});
+		});
+	});
+
+	it('Test the tosca model view render method', () => {
+		const component = shallow(<ViewToscaModals/>);
+		component.setState({ toscaNames: {
+			"index": "1",
+			"toscaModelYaml": "MTCA",
+			"toscaModelName": "DCAE_MTCAConfig",
+			"version" : "16",
+			"userId" : "aj928f",
+			"policyType" : "mtca",
+			"lastUpdatedDate" : "05-07-2019 19:09:42"
+		}
+	});
+    expect(component).toMatchSnapshot();
+  });
+
+	it('Test Table icons', () => {
+		const component = mount(<ViewToscaModals/>);
+		expect(component.find('[className="MuiSelect-icon MuiTablePagination-selectIcon"]')).toBeTruthy();
+
+  });
+
+	it('Test handleYamlContent', () => {
+		const yamlContent = 'MTCA Tosca model details';
+		const component = shallow(<ViewToscaModals/>);
+		component.find('[value="Please select Tosca model to view the details"]').prop('onChange')({ target: { value: yamlContent }});
+    expect(component.state('content')).toEqual(yamlContent);
+  });
+
+	it('Test handleClose', () => {
+		const historyMock = { push: jest.fn() };
+    const handleClose = jest.spyOn(ViewToscaModals.prototype,'handleClose');
+    const component = shallow(<ViewToscaModals history={historyMock} />)
+    component.find('[variant="secondary"]').prop('onClick')();
+    expect(handleClose).toHaveBeenCalledTimes(1);
+    expect(component.state('show')).toEqual(false);
+    expect(historyMock.push.mock.calls[0]).toEqual([ '/']);
+    handleClose.mockClear();
+  });
+});