| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| package org.apache.felix.ipojo.extender.internal.queue; |
| |
| import static org.mockito.Matchers.any; |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyZeroInteractions; |
| |
| import java.util.Dictionary; |
| import java.util.Hashtable; |
| import java.util.concurrent.Future; |
| |
| import org.apache.felix.ipojo.extender.internal.queue.callable.SleepingCallable; |
| import org.apache.felix.ipojo.extender.internal.queue.callable.StringCallable; |
| import org.apache.felix.ipojo.extender.queue.Callback; |
| import org.apache.felix.ipojo.extender.queue.JobInfo; |
| import org.apache.felix.ipojo.extender.queue.QueueService; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.Captor; |
| import org.mockito.Mock; |
| import org.mockito.Mockito; |
| import org.mockito.MockitoAnnotations; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.ServiceRegistration; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * Checks the Executor Queue Service. |
| */ |
| public class ExecutorQueueServiceTestCase extends TestCase { |
| |
| @Mock |
| private BundleContext m_bundleContext; |
| |
| @Mock |
| private ServiceRegistration<?> m_registration; |
| |
| @Mock |
| private Callback<String> m_callback; |
| |
| @Captor |
| private ArgumentCaptor<Dictionary<String, ?>> m_captor; |
| |
| @Override |
| public void setUp() throws Exception { |
| MockitoAnnotations.initMocks(this); |
| } |
| |
| public void testQueueServiceRegistration() throws Exception { |
| ExecutorQueueService queueService = new ExecutorQueueService(m_bundleContext); |
| |
| Mockito.<ServiceRegistration<?>>when(m_bundleContext.registerService(any(String[].class), eq(queueService), any(Dictionary.class))).thenReturn(m_registration); |
| |
| queueService.start(); |
| |
| verify(m_bundleContext).registerService(any(String[].class), eq(queueService), any(Dictionary.class)); |
| |
| queueService.stop(); |
| |
| verify(m_registration).unregister(); |
| |
| } |
| |
| public void testCallbackIsInvoked() throws Exception { |
| ExecutorQueueService queueService = new ExecutorQueueService(m_bundleContext); |
| queueService.start(); |
| |
| Future<String> future = queueService.submit(new StringCallable(), m_callback, "hello"); |
| |
| // Wait for callable to finish |
| assertEquals("hello", future.get()); |
| verify(m_callback).success(any(JobInfo.class), eq("hello")); |
| verify(m_callback, never()).error(any(JobInfo.class), any(Exception.class)); |
| |
| queueService.stop(); |
| } |
| |
| public void testStatistics() throws Exception { |
| ExecutorQueueService queueService = new ExecutorQueueService(m_bundleContext, 2); |
| queueService.start(); |
| |
| // Ensure we start at 0 |
| assertEquals(0, queueService.getWaiters()); |
| assertEquals(0, queueService.getCurrents()); |
| assertEquals(0, queueService.getFinished()); |
| |
| // We create 4 job, so that we have the 2 first executed while the 2 others are waiting |
| Future<String> one = queueService.submit(new SleepingCallable(50, "1"), m_callback, "First"); |
| Future<String> two = queueService.submit(new SleepingCallable(50, "2"), m_callback, "Second"); |
| Future<String> three = queueService.submit(new SleepingCallable(50, "3"), m_callback, "Third"); |
| Future<String> four = queueService.submit(new SleepingCallable(50, "4"), m_callback, "Fourth"); |
| |
| // Wait for callable to finish |
| one.get(); |
| two.get(); |
| |
| // Minimal assertion (do not test exact values) |
| assertTrue(queueService.getCurrents() > 0); |
| assertTrue(queueService.getFinished() > 0); |
| |
| three.get(); |
| four.get(); |
| |
| // Note: we cannot assert statistics reliably during the jobs execution: since when one |
| // is finished, another queued one will be executed in a row... |
| // So we have to wait until the end of all executions and hope for the best. |
| |
| assertEquals(4, queueService.getFinished()); |
| assertEquals(0, queueService.getCurrents()); |
| assertEquals(0, queueService.getWaiters()); |
| |
| queueService.stop(); |
| } |
| |
| public void testConfigurationUpdate() throws Exception { |
| ExecutorQueueService queueService = new ExecutorQueueService(m_bundleContext, 1); |
| |
| Mockito.<ServiceRegistration<?>>when(m_bundleContext.registerService(any(String[].class), |
| eq(queueService), |
| any(Dictionary.class))) |
| .thenReturn(m_registration); |
| |
| queueService.start(); |
| |
| verify(m_bundleContext).registerService(any(String[].class), eq(queueService), m_captor.capture()); |
| |
| // Verify initial value is 1 |
| Dictionary<String, ?> initial = m_captor.getValue(); |
| assertEquals(1, initial.get(ExecutorQueueService.THREADPOOL_SIZE_PROPERTY)); |
| |
| Dictionary<String, Object> update = new Hashtable<String, Object>(); |
| update.put(ExecutorQueueService.THREADPOOL_SIZE_PROPERTY, 3); |
| queueService.updated(update); |
| |
| verify(m_registration).setProperties(m_captor.capture()); |
| assertEquals(3, m_captor.getValue().get(ExecutorQueueService.THREADPOOL_SIZE_PROPERTY)); |
| } |
| |
| public void testManagedServiceUpdatedWithNull() throws Exception { |
| ExecutorQueueService queueService = new ExecutorQueueService(m_bundleContext, 1); |
| |
| Mockito.<ServiceRegistration<?>>when(m_bundleContext.registerService(any(String[].class), |
| eq(queueService), |
| any(Dictionary.class))) |
| .thenReturn(m_registration); |
| |
| queueService.start(); |
| |
| verify(m_bundleContext).registerService(any(String[].class), eq(queueService), m_captor.capture()); |
| |
| // Verify initial value is 1 |
| Dictionary<String, ?> initial = m_captor.getValue(); |
| assertEquals(1, initial.get(ExecutorQueueService.THREADPOOL_SIZE_PROPERTY)); |
| |
| // Change the value once and then apply a null configuration |
| // Service should use it's default configuration |
| Dictionary<String, Object> update = new Hashtable<String, Object>(); |
| update.put(ExecutorQueueService.THREADPOOL_SIZE_PROPERTY, 3); |
| queueService.updated(update); |
| queueService.updated(null); |
| |
| verify(m_registration, times(2)).setProperties(m_captor.capture()); |
| assertEquals(1, m_captor.getValue().get(ExecutorQueueService.THREADPOOL_SIZE_PROPERTY)); |
| } |
| |
| public void testConfigurationUpdatedWithNoChanges() throws Exception { |
| ExecutorQueueService queueService = new ExecutorQueueService(m_bundleContext, 1); |
| |
| Mockito.<ServiceRegistration<?>>when(m_bundleContext.registerService(any(String[].class), |
| eq(queueService), |
| any(Dictionary.class))) |
| .thenReturn(m_registration); |
| |
| queueService.start(); |
| |
| Dictionary<String, Object> update = new Hashtable<String, Object>(); |
| update.put(ExecutorQueueService.THREADPOOL_SIZE_PROPERTY, 1); |
| queueService.updated(update); |
| |
| verifyZeroInteractions(m_registration); |
| } |
| } |
| |
| |