CompositeMessageCursorUsageTest.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.usage;

import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.management.ObjectName;

import junit.framework.TestCase;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.jmx.QueueViewMBean;
import org.springframework.jms.core.JmsTemplate;
import org.springframework.jms.core.MessageCreator;

public class CompositeMessageCursorUsageTest extends TestCase {

   BrokerService broker;

   @Override
   public void setUp() throws Exception {
      broker = new BrokerService();
      broker.setPersistent(false);
      broker.start();
   }

   @Override
   protected void tearDown() throws Exception {
      broker.stop();
   }

   public void testCompositeMessageUsage() throws Exception {

      String compositeQueue = "compositeA,compositeB";

      ActiveMQConnectionFactory cf = new ActiveMQConnectionFactory("vm://localhost");
      JmsTemplate jt = new JmsTemplate(cf);

      jt.send(compositeQueue, new MessageCreator() {
         @Override
         public Message createMessage(Session session) throws JMSException {
            TextMessage tm = session.createTextMessage();
            tm.setText("test");
            return tm;
         }
      });

      jt.send("noCompositeA", new MessageCreator() {
         @Override
         public Message createMessage(Session session) throws JMSException {
            TextMessage tm = session.createTextMessage();
            tm.setText("test");
            return tm;
         }
      });

      jt.send("noCompositeB", new MessageCreator() {
         @Override
         public Message createMessage(Session session) throws JMSException {
            TextMessage tm = session.createTextMessage();
            tm.setText("test");
            return tm;
         }
      });

      assertEquals("Cursor memory usage wrong for 'noCompositeA' queue", 1032, getQueueView("noCompositeA").getCursorMemoryUsage());
      assertEquals("Cursor memory usage wrong for 'noCompositeB' queue", 1032, getQueueView("noCompositeB").getCursorMemoryUsage());
      assertEquals("Cursor memory usage wrong for 'CompositeA' queue", 1032, getQueueView("compositeA").getCursorMemoryUsage());
      assertEquals("Cursor memory usage wrong for 'CompositeB' queue", 1032, getQueueView("compositeB").getCursorMemoryUsage());

   }

   public QueueViewMBean getQueueView(String queueName) throws Exception {
      ObjectName queueViewMBeanName = new ObjectName("org.apache.activemq" + ":type=Broker,brokerName=localhost,destinationType=Queue,destinationName=" + queueName);
      return (QueueViewMBean) broker.getManagementContext().newProxyInstance(queueViewMBeanName, QueueViewMBean.class, true);
   }
}