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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed 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.qpid.transacted;
import junit.framework.JUnit4TestAdapter;
import org.apache.qpid.client.AMQConnection;
import org.apache.qpid.client.AMQQueue;
import org.apache.qpid.client.AMQSession;
import org.apache.qpid.client.transport.TransportConnection;
import org.apache.qpid.client.vmbroker.AMQVMBrokerCreationException;
import org.junit.After;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Before;
import org.junit.Test;
import org.junit.Assert;
import javax.jms.*;
public class TransactedTest
{
private AMQQueue queue1;
private AMQQueue queue2;
private AMQConnection con;
private Session session;
private MessageConsumer consumer;
private MessageProducer producer;
private AMQConnection prepCon;
private Session prepSession;
private MessageProducer prepProducer;
private AMQConnection testCon;
private Session testSession;
private MessageConsumer testConsumer1;
private MessageConsumer testConsumer2;
@Before
public void setup() throws Exception
{
try
{
TransportConnection.createVMBroker(1);
}
catch (AMQVMBrokerCreationException e)
{
Assert.fail("Unable to create VM Broker");
}
queue1 = new AMQQueue("Q1", false);
queue2 = new AMQQueue("Q2", false);
con = new AMQConnection("vm://:1", "guest", "guest", "TransactedTest", "/test");
session = con.createSession(true, 0);
consumer = session.createConsumer(queue1);
producer = session.createProducer(queue2);
con.start();
prepCon = new AMQConnection("vm://:1", "guest", "guest", "PrepConnection", "/test");
prepSession = prepCon.createSession(false, AMQSession.NO_ACKNOWLEDGE);
prepProducer = prepSession.createProducer(queue1);
prepCon.start();
//add some messages
prepProducer.send(prepSession.createTextMessage("A"));
prepProducer.send(prepSession.createTextMessage("B"));
prepProducer.send(prepSession.createTextMessage("C"));
testCon = new AMQConnection("vm://:1", "guest", "guest", "TestConnection", "/test");
testSession = testCon.createSession(false, AMQSession.NO_ACKNOWLEDGE);
testConsumer1 = testSession.createConsumer(queue1);
testConsumer2 = testSession.createConsumer(queue2);
testCon.start();
}
@After
public void shutdown() throws Exception
{
con.close();
testCon.close();
prepCon.close();
TransportConnection.killVMBroker(1);
}
@Test
public void commit() throws Exception
{
//send and receive some messages
producer.send(session.createTextMessage("X"));
producer.send(session.createTextMessage("Y"));
producer.send(session.createTextMessage("Z"));
expect("A", consumer.receive(1000));
expect("B", consumer.receive(1000));
expect("C", consumer.receive(1000));
//commit
session.commit();
//ensure sent messages can be received and received messages are gone
expect("X", testConsumer2.receive(1000));
expect("Y", testConsumer2.receive(1000));
expect("Z", testConsumer2.receive(1000));
assertTrue(null == testConsumer1.receive(1000));
assertTrue(null == testConsumer2.receive(1000));
}
@Test
public void rollback() throws Exception
{
producer.send(session.createTextMessage("X"));
producer.send(session.createTextMessage("Y"));
producer.send(session.createTextMessage("Z"));
expect("A", consumer.receive(1000));
expect("B", consumer.receive(1000));
expect("C", consumer.receive(1000));
//rollback
session.rollback();
//ensure sent messages are not visible and received messages are requeued
expect("A", consumer.receive(1000));
expect("B", consumer.receive(1000));
expect("C", consumer.receive(1000));
assertTrue(null == testConsumer1.receive(1000));
assertTrue(null == testConsumer2.receive(1000));
}
private void expect(String text, Message msg) throws JMSException
{
assertTrue(msg instanceof TextMessage);
assertEquals(text, ((TextMessage) msg).getText());
}
public static junit.framework.Test suite()
{
return new JUnit4TestAdapter(TransactedTest.class);
}
}
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