1 files changed, 154 insertions, 0 deletions
diff --git a/appc-event-listener/appc-event-listener-bundle/src/test/java/org/onap/appc/listener/AbstractListenerTest.java b/appc-event-listener/appc-event-listener-bundle/src/test/java/org/onap/appc/listener/AbstractListenerTest.java
new file mode 100644
index 000000000..9a408ac42
--- /dev/null
+++ b/appc-event-listener/appc-event-listener-bundle/src/test/java/org/onap/appc/listener/AbstractListenerTest.java
@@ -0,0 +1,154 @@
+/*-
+ * ============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.onap.appc.listener;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyLong;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import java.util.Properties;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.ThreadPoolExecutor;
+
+import java.util.concurrent.TimeUnit;
+import org.junit.Before;
+import org.junit.Test;
+import org.onap.appc.listener.AbstractListener;
+import org.onap.appc.listener.ListenerProperties;
+import sun.awt.windows.ThemeReader;
+
+public class AbstractListenerTest {
+
+    private DummyListener listener;
+    private ListenerProperties props;
+
+    @Before
+    public void setup() throws Exception {
+        Properties regularProps = new Properties();
+        regularProps.load(getClass().getResourceAsStream("/org/onap/appc/default.properties"));
+        props = new ListenerProperties("", regularProps);
+        listener = new DummyListener(props);
+    }
+
+    @Test
+    public void stop_should_shutdown_executor() {
+
+        EventHandler mockEventHandler = mock(EventHandler.class);
+        listener.setEventHandler(mockEventHandler);
+
+        Thread thread = new Thread(listener);
+        thread.start();
+
+        assertTrue(thread.isAlive());
+        assertTrue(listener.getRun());
+        assertFalse(listener.getExecutor().isShutdown());
+        assertFalse(listener.getExecutor().isTerminated());
+
+        listener.stop();
+
+        assertFalse(listener.getRun());
+        assertTrue(listener.getExecutor().isShutdown());
+        assertTrue(listener.getExecutor().isTerminated());
+
+        verify(mockEventHandler).closeClients();
+
+    }
+
+    @Test
+    public void stopNow_should_clear_executors_queue_and_call_stop() throws InterruptedException {
+        EventHandler mockEventHandler = mock(EventHandler.class);
+        listener.setEventHandler(mockEventHandler);
+
+        ThreadPoolExecutor mockExecutor = mock(ThreadPoolExecutor.class);
+        BlockingQueue<Runnable> mockBlockingQueue = mock(BlockingQueue.class);
+        listener.setExecutor(mockExecutor);
+        when(mockExecutor.getQueue()).thenReturn(mockBlockingQueue);
+
+        Thread thread = new Thread(listener);
+        thread.start();
+
+        assertTrue(thread.isAlive());
+        assertTrue(listener.getRun());
+
+        listener.stopNow();
+
+        assertFalse(listener.getRun());
+        verify(mockExecutor).shutdown();
+        verify(mockExecutor).awaitTermination(anyLong(), any(TimeUnit.class));
+        verify(mockBlockingQueue).clear();
+        verify(mockEventHandler).closeClients();
+    }
+
+    @Test
+    public void getBenchmark_result_should_contain_listenerId() {
+        String out = listener.getBenchmark();
+        assertNotNull(out);
+        assertTrue(out.contains(listener.getListenerId()));
+    }
+
+    @Test
+    public void getListenerId_should_return_properties_prefix_by_default() {
+        assertEquals(props.getPrefix(), listener.getListenerId());
+        listener.setListenerId("newId");
+        assertEquals("newId", listener.getListenerId());
+    }
+
+
+    private class DummyListener extends AbstractListener {
+
+        DummyListener(ListenerProperties props) {
+            super(props);
+        }
+
+        boolean getRun() {
+            return run.get();
+        }
+
+        public ThreadPoolExecutor getExecutor() {
+            return executor;
+        }
+
+        void setEventHandler(EventHandler eventHandler){
+            dmaap = eventHandler;
+        }
+
+        void setExecutor(ThreadPoolExecutor executor){
+            this.executor = executor;
+        }
+
+        @Override
+        public void run() {
+
+            while (run.get()) {
+            }
+        }
+    }
+}