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diff --git a/gui-clamp/ui-react/src/LoopUI.test.js b/gui-clamp/ui-react/src/LoopUI.test.js
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+/*-
+ * ============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 LoopUI from './LoopUI';
+import OnapConstants from './utils/OnapConstants';
+
+import LoopCache from './api/LoopCache';
+import LoopActionService from './api/LoopActionService';
+import LoopService from './api/LoopService';
+
+describe('Verify LoopUI', () => {
+  beforeEach(() => {
+    fetch.resetMocks();
+    fetch.mockImplementation(() => {
+      return Promise.resolve({
+        ok: true,
+        status: 200,
+        text: () => "testUser"
+
+      });
+    });
+  })
+
+  const loopCache = new LoopCache({
+    "name": "LOOP_Jbv1z_v1_0_ResourceInstanceName1_tca",
+    "components": {
+      "POLICY": {
+        "componentState": {
+          "stateName": "UNKNOWN",
+          "description": "The policies defined have NOT yet been created on the policy engine"
+        }
+      },
+      "DCAE": {
+        "componentState": {
+          "stateName": "BLUEPRINT_DEPLOYED",
+          "description": "The DCAE blueprint has been found in the DCAE inventory but not yet instancianted for this loop"
+        }
+      }
+    }
+  });
+
+  it('Test the render method', async () => {
+    const flushPromises = () => new Promise(setImmediate);
+
+    const component = shallow(<LoopUI/>)
+    component.setState({
+      loopName: "testLoopName",
+      showSucAlert: false,
+      showFailAlert: false
+    });
+    await flushPromises();
+    expect(component).toMatchSnapshot();
+  });
+
+  test('Test closeLoop method', () => {
+    const historyMock = { push: jest.fn() };
+    const component = shallow(<LoopUI history={ historyMock }/>)
+    const instance = component.instance();
+    instance.closeLoop();
+
+    expect(component.state('loopName')).toEqual(OnapConstants.defaultLoopName);
+    expect(historyMock.push.mock.calls[0]).toEqual(['/']);
+  })
+
+  test('Test loadLoop method refresh suc', async () => {
+    const historyMock = { push: jest.fn() };
+    LoopService.getLoop = jest.fn().mockImplementation(() => {
+      return Promise.resolve({
+        ok: true,
+        status: 200,
+        text: () => {
+        }
+      });
+    });
+
+    LoopActionService.refreshStatus = jest.fn().mockImplementation(() => {
+      return Promise.resolve({ name: "LOOP_Jbv1z_v1_0_ResourceInstanceName1_tca" });
+    });
+
+    const flushPromises = () => new Promise(setImmediate);
+    const component = shallow(<LoopUI history={ historyMock }/>)
+    const instance = component.instance();
+    instance.loadLoop("LOOP_Jbv1z_v1_0_ResourceInstanceName1_tca");
+
+    await flushPromises();
+
+    const resLoopCache = instance.getLoopCache();
+
+    expect(resLoopCache.getComponentStates()).toBeUndefined();
+    expect(component.state('loopName')).toEqual("LOOP_Jbv1z_v1_0_ResourceInstanceName1_tca");
+  })
+
+  test('Test loadLoop method refresh fail', async () => {
+    const historyMock = { push: jest.fn() };
+    LoopService.getLoop = jest.fn().mockImplementation(() => {
+      return Promise.resolve({
+        name: "LOOP_Jbv1z_v1_0_ResourceInstanceName1_tca",
+        "components": {
+          "POLICY": {
+            "componentState": {
+              "stateName": "UNKNOWN",
+              "description": "The policies defined have NOT yet been created on the policy engine"
+            }
+          },
+          "DCAE": {
+            "componentState": {
+              "stateName": "BLUEPRINT_DEPLOYED",
+              "description": "The DCAE blueprint has been found in the DCAE inventory but not yet instancianted for this loop"
+            }
+          }
+        }
+      });
+    });
+
+    LoopActionService.refreshStatus = jest.fn().mockImplementation(() => {
+      return Promise.reject({ error: "whatever" });
+    });
+
+    const flushPromises = () => new Promise(setImmediate);
+    const component = shallow(<LoopUI history={ historyMock }/>)
+    const instance = component.instance();
+    instance.loadLoop("LOOP_Jbv1z_v1_0_ResourceInstanceName1_tca");
+
+    await flushPromises();
+
+    const resLoopCache = instance.getLoopCache();
+
+    expect(resLoopCache).toEqual(loopCache);
+    expect(component.state('loopName')).toEqual("LOOP_Jbv1z_v1_0_ResourceInstanceName1_tca");
+  })
+
+  test('Test alert methods', () => {
+    const component = shallow(<LoopUI/>)
+    expect(component.state('showSucAlert')).toEqual(false);
+
+    const instance = component.instance();
+    instance.showSucAlert("testAlert");
+    expect(component.state('showSucAlert')).toEqual(true);
+    expect(component.state('showFailAlert')).toEqual(false);
+    expect(component.state('showMessage')).toEqual("testAlert");
+
+    instance.disableAlert();
+
+    expect(component.state('showSucAlert')).toEqual(false);
+    expect(component.state('showFailAlert')).toEqual(false);
+
+    instance.showFailAlert("testAlert2");
+    expect(component.state('showSucAlert')).toEqual(false);
+    expect(component.state('showFailAlert')).toEqual(true);
+    expect(component.state('showMessage')).toEqual("testAlert2");
+  })
+});