qpid/java/systests/src/main/java/org/apache/qpid/test/unit/client/connection/ConnectionStartTest.java

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 *
 * 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
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package org.apache.qpid.test.unit.client.connection;

import org.apache.qpid.client.AMQConnection;
import org.apache.qpid.client.AMQQueue;
import org.apache.qpid.client.AMQSession;
import org.apache.qpid.test.utils.QpidBrokerTestCase;

import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

public class ConnectionStartTest extends QpidBrokerTestCase
{

    private String _broker = "vm://:1";

    private AMQConnection _connection;
    private Session _consumerSess;
    private MessageConsumer _consumer;

    protected void setUp() throws Exception
    {
        super.setUp();
        try
        {


            AMQConnection pubCon = (AMQConnection) getConnection("guest", "guest");

            AMQQueue queue = new AMQQueue(pubCon,"ConnectionStartTest");

            Session pubSess = pubCon.createSession(false, AMQSession.AUTO_ACKNOWLEDGE);

            MessageProducer pub = pubSess.createProducer(queue);

            _connection = (AMQConnection) getConnection("guest", "guest");

            _consumerSess = _connection.createSession(false, AMQSession.AUTO_ACKNOWLEDGE);

            _consumer = _consumerSess.createConsumer(queue);

            //publish after queue is created to ensure it can be routed as expected
            pub.send(pubSess.createTextMessage("Initial Message"));

            pubCon.close();

        }
        catch (Exception e)
        {
            e.printStackTrace();
            fail("Connection to " + _broker + " should succeed. Reason: " + e);
        }
    }

    protected void tearDown() throws Exception
    {
        _connection.close();
        super.tearDown();
    }

    public void testSimpleReceiveConnection()
    {
        try
        {
            assertTrue("Connection should not be started", !_connection.started());
            //Note that this next line will start the dispatcher in the session
            // should really not be called before _connection start
            //assertTrue("There should not be messages waiting for the consumer", _consumer.receiveNoWait() == null);
            _connection.start();
            assertTrue("There should be messages waiting for the consumer", _consumer.receive(10*1000) != null);
            assertTrue("Connection should be started", _connection.started());

        }
        catch (JMSException e)
        {
            fail("An error occured during test because:" + e);
        }

    }

    public void testMessageListenerConnection()
    {
        final CountDownLatch _gotMessage = new CountDownLatch(1);

        try
        {
            assertTrue("Connection should not be started", !_connection.started());
            _consumer.setMessageListener(new MessageListener()
            {
                public void onMessage(Message message)
                {
                    try
                    {
                        assertTrue("Connection should be started", _connection.started());
                        assertEquals("Mesage Received", "Initial Message", ((TextMessage) message).getText());
                        _gotMessage.countDown();
                    }
                    catch (JMSException e)
                    {
                        fail("Couldn't get message text because:" + e.getCause());
                    }
                }
            });

            assertTrue("Connection should not be started", !_connection.started());
            _connection.start();
            assertTrue("Connection should be started", _connection.started());

            try
            {
                assertTrue("Listener was never called", _gotMessage.await(10 * 1000, TimeUnit.MILLISECONDS));
            }
            catch (InterruptedException e)
            {
                fail("Timed out awaiting message via onMessage");
            }

        }
        catch (JMSException e)
        {
            fail("Failed because:" + e.getCause());
        }

    }


    public static junit.framework.Test suite()
    {
        return new junit.framework.TestSuite(ConnectionStartTest.class);
    }
}