TraceBrokerPathPluginTest.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.broker.util;

import javax.jms.Connection;
import javax.jms.DeliveryMode;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;

import junit.framework.TestCase;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerPlugin;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.TransportConnector;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * Tests TraceBrokerPathPlugin by creating two brokers linked by a network connector, and checking to see if the consuming end receives the expected value in the trace property
 *
 * @author Raul Kripalani
 */
public class TraceBrokerPathPluginTest extends TestCase {

   BrokerService brokerA;
   BrokerService brokerB;
   TransportConnector tcpConnectorA;
   TransportConnector tcpConnectorB;
   MessageProducer producer;
   MessageConsumer consumer;
   Connection connectionA;
   Connection connectionB;
   Session sessionA;
   Session sessionB;
   String queue = "TEST.FOO";
   String traceProperty = "BROKER_PATH";

   @Override
   @Before
   public void setUp() throws Exception {
      TraceBrokerPathPlugin tbppA = new TraceBrokerPathPlugin();
      tbppA.setStampProperty(traceProperty);

      TraceBrokerPathPlugin tbppB = new TraceBrokerPathPlugin();
      tbppB.setStampProperty(traceProperty);

      brokerA = new BrokerService();
      brokerA.setBrokerName("brokerA");
      brokerA.setPersistent(false);
      brokerA.setUseJmx(true);
      brokerA.setPlugins(new BrokerPlugin[]{tbppA});
      tcpConnectorA = brokerA.addConnector("tcp://localhost:0");

      brokerB = new BrokerService();
      brokerB.setBrokerName("brokerB");
      brokerB.setPersistent(false);
      brokerB.setUseJmx(true);
      brokerB.setPlugins(new BrokerPlugin[]{tbppB});
      tcpConnectorB = brokerB.addConnector("tcp://localhost:0");

      brokerA.addNetworkConnector("static:(" + tcpConnectorB.getConnectUri().toString() + ")");

      brokerB.start();
      brokerB.waitUntilStarted();
      brokerA.start();
      brokerA.waitUntilStarted();

      // Initialise connection to A and MessageProducer
      connectionA = new ActiveMQConnectionFactory(tcpConnectorA.getConnectUri()).createConnection();
      connectionA.start();
      sessionA = connectionA.createSession(false, Session.AUTO_ACKNOWLEDGE);
      producer = sessionA.createProducer(sessionA.createQueue(queue));
      producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);

      // Initialise connection to B and MessageConsumer
      connectionB = new ActiveMQConnectionFactory(tcpConnectorB.getConnectUri()).createConnection();
      connectionB.start();
      sessionB = connectionB.createSession(false, Session.AUTO_ACKNOWLEDGE);
      consumer = sessionB.createConsumer(sessionB.createQueue(queue));

   }

   @Override
   @After
   public void tearDown() throws Exception {
      // Clean up
      producer.close();
      consumer.close();
      sessionA.close();
      sessionB.close();
      connectionA.close();
      connectionB.close();
      brokerA.stop();
      brokerB.stop();
   }

   @Test
   public void testTraceBrokerPathPlugin() throws Exception {
      Message sentMessage = sessionA.createMessage();
      producer.send(sentMessage);
      Message receivedMessage = consumer.receive(1000);

      // assert we got the message
      assertNotNull(receivedMessage);

      // assert we got the same message ID we sent
      assertEquals(sentMessage.getJMSMessageID(), receivedMessage.getJMSMessageID());

      assertEquals("brokerA,brokerB", receivedMessage.getStringProperty(traceProperty));

   }
}