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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017-2018 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.
*
* ============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;
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()) {
}
}
}
}
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