Added unit test cases for Worker class

Increased coverage from 0% to 100%

Issue-ID: APPC-1402
Change-Id: I2a0a05a29cce79004581f21fd56138485b631f78
Signed-off-by: Lathishbabu Ganesan <lathishbabu.ganesan@ericsson.com>

diff --git a/appc-event-listener/appc-event-listener-bundle/src/test/java/org/onap/appc/listener/demo/impl/TestWorkerImpl.java b/appc-event-listener/appc-event-listener-bundle/src/test/java/org/onap/appc/listener/demo/impl/TestWorkerImpl.java
new file mode 100644 (file)
index 0000000..e3f889c
--- /dev/null
+++ b/appc-event-listener/appc-event-listener-bundle/src/test/java/org/onap/appc/listener/demo/impl/TestWorkerImpl.java
@@ -0,0 +1,85 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2019 Ericsson. 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.appc.listener.demo.impl;
+
+import static org.mockito.Matchers.anyObject;
+import static org.mockito.Mockito.when;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.times;
+
+import org.json.JSONObject;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
+import org.onap.appc.exceptions.APPCException;
+import org.onap.appc.listener.EventHandler;
+import org.onap.appc.listener.demo.model.CommonMessage.CommonHeader;
+import org.onap.appc.listener.demo.model.IncomingMessage;
+import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(ProviderOperations.class)
+public class TestWorkerImpl {
+
+  private WorkerImpl workerImplSpy;
+  private IncomingMessage message;
+  private EventHandler dmaap;
+
+  @Before
+  public void setUp() {
+    message = Mockito.mock(IncomingMessage.class);
+    dmaap = Mockito.mock(EventHandler.class);
+    workerImplSpy = Mockito.spy(new WorkerImpl(message, dmaap));
+  }
+
+  @Test
+  public void testRun() throws APPCException {
+    CommonHeader commonHeader = Mockito.mock(CommonHeader.class);
+    when(message.getHeader()).thenReturn(commonHeader);
+    when(commonHeader.getRequestID()).thenReturn("requestId");
+    PowerMockito.mockStatic(ProviderOperations.class);
+    PowerMockito.when(ProviderOperations.topologyDG(anyObject())).thenReturn(true);
+    workerImplSpy.run();
+    verify(workerImplSpy, times(1)).run();
+  }
+
+  @Test
+  public void testRunElseCase() throws APPCException {
+    CommonHeader commonHeader = Mockito.mock(CommonHeader.class);
+    when(message.getHeader()).thenReturn(commonHeader);
+    when(commonHeader.getRequestID()).thenReturn("requestId");
+    when(message.toJson()).thenReturn(new JSONObject());
+    PowerMockito.mockStatic(ProviderOperations.class);
+    PowerMockito.when(ProviderOperations.topologyDG(anyObject())).thenReturn(false);
+    workerImplSpy.run();
+    verify(workerImplSpy, times(1)).run();
+  }
+
+  @Test
+  public void testRunWithException() throws APPCException {
+    CommonHeader commonHeader = Mockito.mock(CommonHeader.class);
+    when(message.getHeader()).thenReturn(commonHeader);
+    when(commonHeader.getRequestID()).thenReturn("requestId");
+    workerImplSpy.run();
+    verify(workerImplSpy, times(1)).run();
+  }
+}