ConsumerReceiveWithTimeoutTest.java

/**
 * 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.activemq;

import javax.jms.Connection;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;

/**
 *
 */
public class ConsumerReceiveWithTimeoutTest extends TestSupport {

   private Connection connection;

   @Override
   protected void setUp() throws Exception {
      super.setUp();
      connection = createConnection();
   }

   /**
    * @see junit.framework.TestCase#tearDown()
    */
   @Override
   protected void tearDown() throws Exception {
      if (connection != null) {
         connection.close();
         connection = null;
      }
      super.tearDown();
   }

   /**
    * Test to check if consumer thread wakes up inside a receive(timeout) after
    * a message is dispatched to the consumer
    *
    * @throws javax.jms.JMSException
    */
   public void testConsumerReceiveBeforeMessageDispatched() throws JMSException {

      connection.start();

      final Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
      final Queue queue = session.createQueue("test");

      Thread t = new Thread() {
         @Override
         public void run() {
            try {
               // wait for 10 seconds to allow consumer.receive to be run
               // first
               Thread.sleep(10000);
               MessageProducer producer = session.createProducer(queue);
               producer.send(session.createTextMessage("Hello"));
            } catch (Exception e) {
               e.printStackTrace();
            }
         }
      };

      t.start();

      // Consume the message...
      MessageConsumer consumer = session.createConsumer(queue);
      Message msg = consumer.receive(60000);
      assertNotNull(msg);
      session.close();

   }

}