trunk/activemq-core/src/test/java/org/apache/activemq/broker/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());
    }
}