AMQP-107 added test for multiple queues with SimpleMessageListenerContainer

spring-rabbit/src/test/java/org/springframework/amqp/rabbit/listener/MessageListenerContainerMultipleQueueIntegrationTests.java

@@ -0,0 +1,134 @@
+/*
+ * Copyright 2002-2011 the original author or authors.
+ * 
+ * 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.
+ */
+
+package org.springframework.amqp.rabbit.listener;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.log4j.Level;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+import org.springframework.amqp.core.AcknowledgeMode;
+import org.springframework.amqp.core.Queue;
+import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;
+import org.springframework.amqp.rabbit.core.RabbitTemplate;
+import org.springframework.amqp.rabbit.listener.adapter.MessageListenerAdapter;
+import org.springframework.amqp.rabbit.test.BrokerRunning;
+import org.springframework.amqp.rabbit.test.BrokerTestUtils;
+import org.springframework.amqp.rabbit.test.Log4jLevelAdjuster;
+import org.springframework.amqp.support.converter.SimpleMessageConverter;
+
+/**
+ * @author Mark Fisher
+ */
+public class MessageListenerContainerMultipleQueueIntegrationTests {
+
+	private static Log logger = LogFactory.getLog(MessageListenerContainerMultipleQueueIntegrationTests.class);
+
+	private static Queue queue1 = new Queue("test.queue.1");
+
+	private static Queue queue2 = new Queue("test.queue.2");
+
+	@Rule
+	public BrokerRunning brokerIsRunningAndQueue1Empty = BrokerRunning.isRunningWithEmptyQueue(queue1);
+
+	@Rule
+	public BrokerRunning brokerIsRunningAndQueue2Empty = BrokerRunning.isRunningWithEmptyQueue(queue2);
+
+	@Rule
+	public Log4jLevelAdjuster logLevels = new Log4jLevelAdjuster(Level.INFO, RabbitTemplate.class,
+			SimpleMessageListenerContainer.class, BlockingQueueConsumer.class);
+
+	@Rule
+	public ExpectedException exception = ExpectedException.none();
+
+
+	@Test
+	public void testMultipleQueues() {
+		int messageCount = 10;
+		int concurrentConsumers = 1;
+		RabbitTemplate template = new RabbitTemplate();
+		CachingConnectionFactory connectionFactory = new CachingConnectionFactory();
+		connectionFactory.setChannelCacheSize(1);
+		connectionFactory.setPort(BrokerTestUtils.getPort());
+		template.setConnectionFactory(connectionFactory);
+		SimpleMessageConverter messageConverter = new SimpleMessageConverter();
+		messageConverter.setCreateMessageIds(true);
+		template.setMessageConverter(messageConverter);
+		for (int i = 0; i < messageCount; i++) {
+			template.convertAndSend(queue1.getName(), new Integer(i));
+			template.convertAndSend(queue2.getName(), new Integer(i));
+		}
+		final SimpleMessageListenerContainer container = new SimpleMessageListenerContainer(connectionFactory);
+		final CountDownLatch latch = new CountDownLatch(messageCount * 2);
+		PojoListener listener = new PojoListener(latch);
+		container.setMessageListener(new MessageListenerAdapter(listener));
+		container.setAcknowledgeMode(AcknowledgeMode.AUTO);
+		container.setChannelTransacted(true);
+		container.setConcurrentConsumers(concurrentConsumers);
+		container.setQueueNames(queue1.getName(), queue2.getName());
+		container.afterPropertiesSet();
+		container.start();
+		try {
+			int timeout = Math.min(1 + messageCount / concurrentConsumers, 30);
+			boolean waited = latch.await(timeout, TimeUnit.SECONDS);
+			logger.info("All messages recovered: " + waited);
+			assertEquals(concurrentConsumers, container.getActiveConsumerCount());
+			assertTrue("Timed out waiting for messages", waited);
+		}
+		catch (InterruptedException e) {
+			Thread.currentThread().interrupt();
+			throw new IllegalStateException("unexpected interruption");
+		}
+		finally {
+			container.shutdown();
+			assertEquals(0, container.getActiveConsumerCount());
+		}
+		assertNull(template.receiveAndConvert(queue1.getName()));
+		assertNull(template.receiveAndConvert(queue2.getName()));
+	}
+
+
+	@SuppressWarnings("unused")
+	private static class PojoListener {
+
+		private AtomicInteger count = new AtomicInteger();
+
+		private final CountDownLatch latch;
+
+		public PojoListener(CountDownLatch latch) {
+			this.latch = latch;
+		}
+
+		public void handleMessage(int value) throws Exception {
+			logger.debug(value + ":" + count.getAndIncrement());
+			latch.countDown();
+		}
+
+		public int getCount() {
+			return count.get();
+		}
+	}
+
+}