169 lines
6.1 KiB
Java
169 lines
6.1 KiB
Java
/*
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* Copyright 2012 Benjamin Diedrichsen
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package dorkbox.util.messagebus;
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import dorkbox.messagebus.MessageBus;
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import dorkbox.util.messagebus.common.*;
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import dorkbox.messagebus.error.IPublicationErrorHandler;
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import dorkbox.messagebus.error.PublicationError;
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import dorkbox.util.messagebus.listeners.ExceptionThrowingListener;
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import dorkbox.util.messagebus.listeners.IMessageListener;
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import dorkbox.util.messagebus.listeners.Listeners;
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import dorkbox.util.messagebus.listeners.MessageTypesListener;
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import dorkbox.util.messagebus.messages.MessageTypes;
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import dorkbox.util.messagebus.messages.MultipartMessage;
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import dorkbox.util.messagebus.messages.StandardMessage;
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import org.junit.Test;
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import java.util.concurrent.atomic.AtomicInteger;
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/**
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* Test synchronous and asynchronous dispatch in single and multi-threaded scenario.
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*
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* @author bennidi
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* Date: 2/8/12
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*/
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public class MBassadorTest extends MessageBusTest {
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@Test
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public void testSyncPublicationSyncHandlers() throws Exception {
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ListenerFactory listeners = new ListenerFactory()
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.create(InstancesPerListener, Listeners.synchronous())
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.create(InstancesPerListener, Listeners.noHandlers());
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final MessageBus bus = createBus(listeners);
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Runnable publishAndCheck = new Runnable() {
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@Override
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public void run() {
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StandardMessage standardMessage = new StandardMessage();
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MultipartMessage multipartMessage = new MultipartMessage();
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bus.publish(standardMessage);
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bus.publish(multipartMessage);
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bus.publish(MessageTypes.Simple);
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assertEquals(InstancesPerListener, standardMessage.getTimesHandled(IMessageListener.DefaultListener.class));
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assertEquals(InstancesPerListener, multipartMessage.getTimesHandled(IMessageListener.DefaultListener.class));
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}
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};
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// test single-threaded
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ConcurrentExecutor.runConcurrent(publishAndCheck, 1);
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// test multi-threaded
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MessageTypes.resetAll();
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ConcurrentExecutor.runConcurrent(publishAndCheck, ConcurrentUnits);
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assertEquals(InstancesPerListener * ConcurrentUnits, MessageTypes.Simple.getTimesHandled(IMessageListener.DefaultListener.class));
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assertEquals(InstancesPerListener * ConcurrentUnits, MessageTypes.Simple.getTimesHandled(MessageTypesListener.DefaultListener.class));
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}
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@Test
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public void testAsynchronousMessagePublication() throws Exception {
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ListenerFactory listeners = new ListenerFactory()
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.create(InstancesPerListener, Listeners.noHandlers());
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final MessageBus bus = createBus(listeners);
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final MessageManager messageManager = new MessageManager();
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Runnable publishAndCheck = new Runnable() {
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@Override
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public void run() {
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bus.publishAsync(MessageTypes.Simple);
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}
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};
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ConcurrentExecutor.runConcurrent(publishAndCheck, 1);
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while (bus.hasPendingMessages()) {
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pause(10);
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}
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MessageTypes.resetAll();
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ConcurrentExecutor.runConcurrent(publishAndCheck, ConcurrentUnits);
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while (bus.hasPendingMessages()) {
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pause(10);
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}
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messageManager.waitForMessages(600);
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}
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@Test
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public void testExceptionInHandlerInvocation(){
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final AtomicInteger exceptionCount = new AtomicInteger(0);
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IPublicationErrorHandler ExceptionCounter = new IPublicationErrorHandler() {
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@Override
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public void handleError(PublicationError error) {
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exceptionCount.incrementAndGet();
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}
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@Override
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public void handleError(final String error, final Class<?> listenerClass) {
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// Printout the error itself
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System.out.println(new StringBuilder().append(error).append(": ").append(listenerClass.getSimpleName()).toString());
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}
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};
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final MessageBus bus = new MessageBus();
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bus.addErrorHandler(ExceptionCounter);
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ListenerFactory listeners = new ListenerFactory()
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.create(InstancesPerListener, ExceptionThrowingListener.class);
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ConcurrentExecutor.runConcurrent(TestUtil.subscriber(bus, listeners), ConcurrentUnits);
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Runnable publishAndCheck = new Runnable() {
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@Override
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public void run() {
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bus.publishAsync(new StandardMessage());
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}
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};
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// single threaded
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ConcurrentExecutor.runConcurrent(publishAndCheck, 1);
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while (bus.hasPendingMessages()) {
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pause(10);
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}
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assertEquals(InstancesPerListener, exceptionCount.get());
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// multi threaded
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exceptionCount.set(0);
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ConcurrentExecutor.runConcurrent(publishAndCheck, ConcurrentUnits);
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while (bus.hasPendingMessages()) {
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pause(10);
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}
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assertEquals(InstancesPerListener * ConcurrentUnits, exceptionCount.get());
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bus.shutdown();
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}
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}
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