1 files changed, 158 insertions, 0 deletions
diff --git a/appc-sdc-listener/appc-sdc-listener-bundle/src/test/java/org/openecomp/appc/sdc/listener/SdcListenerTest.java b/appc-sdc-listener/appc-sdc-listener-bundle/src/test/java/org/openecomp/appc/sdc/listener/SdcListenerTest.java
new file mode 100644
index 000000000..17e286bc5
--- /dev/null
+++ b/appc-sdc-listener/appc-sdc-listener-bundle/src/test/java/org/openecomp/appc/sdc/listener/SdcListenerTest.java
@@ -0,0 +1,158 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+package org.openecomp.appc.sdc.listener;
+
+import com.att.eelf.configuration.EELFLogger;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
+import org.openecomp.sdc.api.IDistributionClient;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+import org.powermock.reflect.Whitebox;
+
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(Thread.class)
+public class SdcListenerTest {
+    private SdcListener sdcListener;
+    private EELFLogger mockLogger = mock(EELFLogger.class);
+
+    @Before
+    public void setUp() throws Exception {
+        sdcListener = new SdcListener();
+
+        // to avoid operation on logger fail, mock up the logger
+        Whitebox.setInternalState(sdcListener, "logger", mockLogger);
+    }
+
+    @Test
+    public void testStart() throws Exception {
+        sdcListener.start();
+        Assert.assertTrue("Should created startThread",
+                Whitebox.getInternalState(sdcListener, "startThread") != null);
+    }
+
+    @Test
+    public void testStop() throws Exception {
+        // test interrupt thread and other null case
+        MockThread mockThread = spy(new MockThread());
+        mockThread.setNewState(Thread.State.TIMED_WAITING);
+        Whitebox.setInternalState(sdcListener, "startThread", mockThread);
+
+        sdcListener.stop();
+        Mockito.verify(mockThread, times(1)).interrupt();
+        Assert.assertTrue("Should reset startThread",
+                Whitebox.getInternalState(sdcListener, "startThread") == null);
+
+        // test other non-null case and thread null case
+        IDistributionClient mockClient = mock(IDistributionClient.class);
+        Whitebox.setInternalState(sdcListener, "client", mockClient);
+        SdcCallback mockCallback = mock(SdcCallback.class);
+        Whitebox.setInternalState(sdcListener, "callback", mockCallback);
+        CountDownLatch mockLatch = mock(CountDownLatch.class);
+        Whitebox.setInternalState(sdcListener, "latch", mockLatch);
+
+        sdcListener.stop();
+
+        Mockito.verify(mockLatch, times(1)).await(10, TimeUnit.SECONDS);
+        Mockito.verify(mockCallback, times(1)).stop();
+        Mockito.verify(mockClient, times(1)).stop();
+        Assert.assertTrue("Should reset latch",
+                Whitebox.getInternalState(sdcListener, "latch") == null);
+        Assert.assertTrue("Should reset callback",
+                Whitebox.getInternalState(sdcListener, "callback") == null);
+        Assert.assertTrue("Should reset client",
+                Whitebox.getInternalState(sdcListener, "client") == null);
+    }
+
+    @Test
+    public void testStopStartThread() throws Exception {
+        // null case
+        sdcListener.stopStartThread(123);
+        Mockito.verify(mockLogger, times(0)).debug(String.valueOf(any()));
+
+        MockThread mockThread = spy(new MockThread());
+
+        // thread terminated case
+        Whitebox.setInternalState(sdcListener, "startThread", mockThread);
+        mockThread.setNewState(Thread.State.TERMINATED);
+        sdcListener.stopStartThread(123);
+        Mockito.verify(mockThread, times(0)).interrupt();
+        Mockito.verify(mockLogger, times(1)).debug(String.valueOf(any()));
+        Assert.assertTrue("Should reset startThread",
+                Whitebox.getInternalState(sdcListener, "startThread") == null);
+
+        // thread not termianted case
+        int timesCallThread = 0;
+        int timesCallLogger = 1;
+        for(Thread.State state : Thread.State.values()) {
+            if (state == Thread.State.TERMINATED) {
+                continue;
+            }
+            Whitebox.setInternalState(sdcListener, "startThread", mockThread);
+            mockThread.setNewState(state);
+            sdcListener.stopStartThread(123);
+            Mockito.verify(mockThread, times(++ timesCallThread)).interrupt();
+            Mockito.verify(mockLogger, times(timesCallLogger += 2)).debug(String.valueOf(any()));
+            Assert.assertTrue("Should reset startThread",
+                    Whitebox.getInternalState(sdcListener, "startThread") == null);
+        }
+    }
+
+    /*
+     * I have used the following PowerMockito (due to Thread.getName() is a final method)
+     * try to mock up the thread behavior. But the mock Thread.getName() always returns null
+     * which works in intelliJ Junit test, but not Jenkins build:
+     *     Thread mockThread = PowerMockito.mock(Thread.class);
+     *      PowerMockito.doReturn(Thread.State.TERMINATED).when(mockThread).getState();
+     *      PowerMockito.doReturn("testing").when(mockThread).getName();
+     * Hence, here goes the MockThread class to override Thread to my expected behavior.
+     */
+    class MockThread extends Thread {
+        private State state;
+
+        private MockThread() {
+            super.setName("testing");
+        }
+
+        void setNewState(State newState) {
+            state = newState;
+        }
+
+        @Override
+        public State getState() {
+            return state;
+        }
+    }
+}
+\ No newline at end of file