ConcurrentConnectSimulationTest.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;

import junit.framework.Test;

import org.apache.activemq.advisory.AdvisorySupport;
import org.apache.activemq.command.ConnectionInfo;
import org.apache.activemq.command.ConsumerId;
import org.apache.activemq.command.ConsumerInfo;
import org.apache.activemq.command.SessionId;

public class ConcurrentConnectSimulationTest extends BrokerTestSupport {

   /*
    * simulate failover and retry of connection before broker has killed connection
    * which appears as a concurrent connect request to the broker
    * see: https://issues.apache.org/activemq/browse/AMQ-2241
    */
   public void testConcurrentConnection() throws Exception {

      StubConnection connection1 = createConnection();
      StubConnection connection2 = createConnection();

      // reuse same connection info
      ConnectionInfo connectionInfo = createConnectionInfo();
      connection1.request(connectionInfo);
      connection2.request(connectionInfo);

      // second one should win out, verify using consumer on default session (watchAdvisories)
      ConsumerId consumerId = new ConsumerId(new SessionId(connectionInfo.getConnectionId(), -1), 1);
      ConsumerInfo consumerInfo = new ConsumerInfo(consumerId);
      consumerInfo.setDestination(AdvisorySupport.TEMP_DESTINATION_COMPOSITE_ADVISORY_TOPIC);

      connection2.request(consumerInfo);
   }

   public static Test suite() {
      return suite(ConcurrentConnectSimulationTest.class);
   }

   public static void main(String[] args) {
      junit.textui.TestRunner.run(suite());
   }
}