| /** |
| * 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.useradmin.impl; |
| |
| import java.util.Properties; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import junit.framework.TestCase; |
| |
| |
| import org.apache.felix.useradmin.RoleFactory; |
| import org.apache.felix.useradmin.impl.EventDispatcher; |
| import org.apache.felix.useradmin.impl.UserAdminListenerList; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.event.Event; |
| import org.osgi.service.event.EventAdmin; |
| import org.osgi.service.useradmin.Role; |
| import org.osgi.service.useradmin.UserAdminEvent; |
| import org.osgi.service.useradmin.UserAdminListener; |
| |
| /** |
| * Test case for {@link EventDispatcher}. |
| */ |
| public class EventDispatcherTest extends TestCase { |
| |
| /** |
| * Provides a {@link EventAdmin} that counts the number of times |
| * {@link #postEvent(Event)} is called. |
| */ |
| static class CountingEventAdmin implements EventAdmin { |
| |
| private final CountDownLatch m_latch; |
| |
| public CountingEventAdmin(CountDownLatch latch) { |
| m_latch = latch; |
| } |
| |
| public void postEvent(Event event) { |
| if (m_latch != null) { |
| m_latch.countDown(); |
| } |
| } |
| |
| public void sendEvent(Event event) { |
| throw new RuntimeException("Should not be called for asynchronous delivery!"); |
| } |
| } |
| |
| /** |
| * Provides a {@link UserAdminListener} that counts the number of times |
| * {@link #roleChanged(UserAdminEvent)} is called. |
| */ |
| static class CountingUserAdminListener implements UserAdminListener { |
| |
| private final CountDownLatch m_latch; |
| |
| public CountingUserAdminListener(CountDownLatch latch) { |
| m_latch = latch; |
| } |
| |
| public void roleChanged(UserAdminEvent event) { |
| if (m_latch != null) { |
| m_latch.countDown(); |
| } |
| } |
| } |
| |
| /** |
| * Implements a fake service reference. |
| */ |
| static class FakeServiceReference implements ServiceReference { |
| |
| private final Properties m_props; |
| |
| public FakeServiceReference() { |
| this(new String[0]); |
| } |
| |
| public FakeServiceReference(String[] properties) { |
| m_props = new Properties(); |
| |
| for (int i = 0; i < properties.length; i += 2) { |
| m_props.put(properties[i], properties[i + 1]); |
| } |
| } |
| |
| public int compareTo(Object reference) { |
| return 0; |
| } |
| |
| public Bundle getBundle() { |
| return null; |
| } |
| |
| public Object getProperty(String key) { |
| return key; |
| } |
| |
| public String[] getPropertyKeys() { |
| return new String[0]; |
| } |
| |
| public Bundle[] getUsingBundles() { |
| return null; |
| } |
| |
| public boolean isAssignableTo(Bundle bundle, String className) { |
| return false; |
| } |
| } |
| |
| private EventDispatcher m_dispatcher; |
| |
| /** |
| * Test method for {@link org.apache.felix.useradmin.impl.EventDispatcher#dispatch(org.osgi.service.useradmin.UserAdminEvent)}. |
| */ |
| public void testDispatchEventCallsEventAdminOk() throws Exception { |
| final CountDownLatch latch = new CountDownLatch(5); |
| |
| m_dispatcher = createEventDispatcher(new CountingEventAdmin(latch)); |
| m_dispatcher.start(); |
| |
| for (int i = 0; i < 5; i++) { |
| m_dispatcher.dispatch(createMockEvent(UserAdminEvent.ROLE_CHANGED)); |
| } |
| |
| assertTrue(latch.await(5, TimeUnit.SECONDS)); |
| } |
| |
| /** |
| * Test method for {@link org.apache.felix.useradmin.impl.EventDispatcher#dispatch(org.osgi.service.useradmin.UserAdminEvent)}. |
| */ |
| public void testDispatchEventCallsUserAdminListenersOk() throws Exception { |
| final CountDownLatch latch = new CountDownLatch(5); |
| |
| m_dispatcher = createEventDispatcher(new CountingUserAdminListener(latch)); |
| m_dispatcher.start(); |
| |
| for (int i = 0; i < 5; i++) { |
| m_dispatcher.dispatch(createMockEvent(UserAdminEvent.ROLE_CHANGED)); |
| } |
| |
| assertTrue(latch.await(5, TimeUnit.SECONDS)); |
| } |
| |
| /** |
| * Test method for {@link org.apache.felix.useradmin.impl.EventDispatcher#start()}. |
| */ |
| public void testStartTwiceDoesNotMatter() throws Exception { |
| final CountDownLatch latch = new CountDownLatch(1); |
| |
| m_dispatcher = createEventDispatcher(new CountingUserAdminListener(latch)); |
| m_dispatcher.start(); |
| |
| assertTrue(m_dispatcher.isRunning()); |
| |
| m_dispatcher.start(); |
| |
| assertTrue(m_dispatcher.isRunning()); |
| |
| assertEquals("Latch should not be decremented?!", 1L, latch.getCount()); |
| } |
| |
| /** |
| * Test method for {@link org.apache.felix.useradmin.impl.EventDispatcher#stop()}. |
| */ |
| public void testStopOk() { |
| final CountDownLatch latch = new CountDownLatch(1); |
| |
| m_dispatcher = createEventDispatcher(new CountingUserAdminListener(latch)); |
| m_dispatcher.start(); |
| |
| m_dispatcher.stop(); |
| |
| m_dispatcher.dispatch(createMockEvent(UserAdminEvent.ROLE_CHANGED)); |
| |
| assertFalse(m_dispatcher.isRunning()); |
| |
| assertEquals("Latch should not be decremented?!", 1L, latch.getCount()); |
| } |
| |
| /** |
| * Test method for {@link org.apache.felix.useradmin.impl.EventDispatcher#stop()}. |
| */ |
| public void testStopUnstartedDoesNotMatter() { |
| final CountDownLatch latch = new CountDownLatch(1); |
| |
| m_dispatcher = createEventDispatcher(new CountingUserAdminListener(latch)); |
| |
| assertFalse(m_dispatcher.isRunning()); |
| |
| m_dispatcher.stop(); |
| |
| assertFalse(m_dispatcher.isRunning()); |
| |
| assertEquals("Latch should not be decremented?!", 1L, latch.getCount()); |
| } |
| |
| /** |
| * Test method for {@link org.apache.felix.useradmin.impl.EventDispatcher#stop()}. |
| */ |
| public void testStopTwiceDoesNotMatter() { |
| final CountDownLatch latch = new CountDownLatch(1); |
| |
| m_dispatcher = createEventDispatcher(new CountingUserAdminListener(latch)); |
| m_dispatcher.start(); |
| |
| assertTrue(m_dispatcher.isRunning()); |
| |
| m_dispatcher.stop(); |
| |
| assertFalse(m_dispatcher.isRunning()); |
| |
| m_dispatcher.stop(); |
| |
| assertEquals("Latch should not be decremented?!", 1L, latch.getCount()); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| protected void tearDown() throws Exception { |
| if (m_dispatcher != null) { |
| try { |
| m_dispatcher.stop(); |
| m_dispatcher = null; |
| } catch (IllegalStateException e) { |
| // Not a problem; already stopped... |
| } |
| } |
| } |
| |
| /** |
| * @param eventAdmin |
| * @param listenerList |
| * @return |
| */ |
| private EventDispatcher createEventDispatcher(EventAdmin eventAdmin) { |
| return new EventDispatcher(eventAdmin, createListenerList()); |
| } |
| |
| /** |
| * @param eventAdmin |
| * @param listenerList |
| * @return |
| */ |
| private EventDispatcher createEventDispatcher(UserAdminListener listener) { |
| return new EventDispatcher(new CountingEventAdmin(null), createListenerList(listener)); |
| } |
| |
| /** |
| * @param listener |
| * @return |
| */ |
| private UserAdminListenerList createListenerList() { |
| return new UserAdminListenerList() { |
| public UserAdminListener[] getListeners() { |
| return new UserAdminListener[0]; |
| } |
| }; |
| } |
| |
| /** |
| * @param listener |
| * @return |
| */ |
| private UserAdminListenerList createListenerList(final UserAdminListener listener) { |
| return new UserAdminListenerList() { |
| public UserAdminListener[] getListeners() { |
| return new UserAdminListener[] { listener }; |
| } |
| }; |
| } |
| |
| /** |
| * @param type |
| * @return |
| */ |
| private UserAdminEvent createMockEvent(int type) { |
| Role user = RoleFactory.createUser("user-" + System.currentTimeMillis()); |
| ServiceReference ref = new FakeServiceReference(); |
| return new UserAdminEvent(ref, type, user); |
| } |
| } |