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package org.apache.activemq.bugs.amq1095;
import javax.jms.JMSException;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.jms.Topic;
/**
* <p>
* Test cases for various ActiveMQ functionalities.
* </p>
*
* <ul>
* <li>
* <p>
* Durable subscriptions are used.
* </p>
* </li>
* <li>
* <p>
* The Kaha persistence manager is used.
* </p>
* </li>
* <li>
* <p>
* An already existing Kaha directory is used. Everything runs fine if the
* ActiveMQ broker creates a new Kaha directory.
* </p>
* </li>
* </ul>
*
* @author Rainer Klute <a
* href="mailto:rainer.klute@dp-itsolutions.de"><rainer.klute@dp-itsolutions.de></a>
* @since 2007-08-09
* @version $Id: MessageSelectorTest.java 12 2007-08-14 12:02:02Z rke $
*/
public class MessageSelectorTest extends ActiveMQTestCase {
private MessageConsumer consumer1;
private MessageConsumer consumer2;
/** <p>Constructor</p> */
public MessageSelectorTest()
{}
/** <p>Constructor</p>
* @param name the test case's name
*/
public MessageSelectorTest(final String name)
{
super(name);
}
/**
* <p>
* Tests whether message selectors work for durable subscribers.
* </p>
*/
public void testMessageSelectorForDurableSubscribersRunA()
{
runMessageSelectorTest(true);
}
/**
* <p>
* Tests whether message selectors work for durable subscribers.
* </p>
*/
public void testMessageSelectorForDurableSubscribersRunB()
{
runMessageSelectorTest(true);
}
/**
* <p>
* Tests whether message selectors work for non-durable subscribers.
* </p>
*/
public void testMessageSelectorForNonDurableSubscribers()
{
runMessageSelectorTest(false);
}
/**
* <p>
* Tests whether message selectors work. This is done by sending two
* messages to a topic. Both have an int property with different values. Two
* subscribers use message selectors to receive the messages. Each one
* should receive exactly one of the messages.
* </p>
*/
private void runMessageSelectorTest(final boolean isDurableSubscriber)
{
try
{
final String PROPERTY_CONSUMER = "consumer";
final String CONSUMER_1 = "Consumer 1";
final String CONSUMER_2 = "Consumer 2";
final String MESSAGE_1 = "Message to " + CONSUMER_1;
final String MESSAGE_2 = "Message to " + CONSUMER_2;
assertNotNull(connection);
assertNotNull(destination);
final Session producingSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
final MessageProducer producer = producingSession.createProducer(destination);
final Session consumingSession1 = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
final Session consumingSession2 = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
if (isDurableSubscriber)
{
consumer1 = consumingSession1.createDurableSubscriber
((Topic) destination, CONSUMER_1, PROPERTY_CONSUMER + " = 1", false);
consumer2 = consumingSession2.createDurableSubscriber
((Topic) destination, CONSUMER_2, PROPERTY_CONSUMER + " = 2", false);
}
else
{
consumer1 = consumingSession1.createConsumer(destination, PROPERTY_CONSUMER + " = 1");
consumer2 = consumingSession2.createConsumer(destination, PROPERTY_CONSUMER + " = 2");
}
registerToBeEmptiedOnShutdown(consumer1);
registerToBeEmptiedOnShutdown(consumer2);
connection.start();
TextMessage msg1;
TextMessage msg2;
int propertyValue;
String contents;
/* Try to receive any messages from the consumers. There shouldn't be any yet. */
msg1 = (TextMessage) consumer1.receive(RECEIVE_TIMEOUT);
if (msg1 != null)
{
final StringBuffer msg = new StringBuffer("The consumer read a message that was left over from a former ActiveMQ broker run.");
propertyValue = msg1.getIntProperty(PROPERTY_CONSUMER);
contents = msg1.getText();
if (propertyValue != 1) // Is the property value as expected?
{
msg.append(" That message does not match the consumer's message selector.");
fail(msg.toString());
}
assertEquals(1, propertyValue);
assertEquals(MESSAGE_1, contents);
}
msg2 = (TextMessage) consumer2.receive(RECEIVE_TIMEOUT);
if (msg2 != null)
{
final StringBuffer msg = new StringBuffer("The consumer read a message that was left over from a former ActiveMQ broker run.");
propertyValue = msg2.getIntProperty(PROPERTY_CONSUMER);
contents = msg2.getText();
if (propertyValue != 2) // Is the property value as expected?
{
msg.append(" That message does not match the consumer's message selector.");
fail(msg.toString());
}
assertEquals(2, propertyValue);
assertEquals(MESSAGE_2, contents);
}
/* Send two messages. Each is targeted at one of the consumers. */
TextMessage msg;
msg = producingSession.createTextMessage();
msg.setText(MESSAGE_1);
msg.setIntProperty(PROPERTY_CONSUMER, 1);
producer.send(msg);
msg = producingSession.createTextMessage();
msg.setText(MESSAGE_2);
msg.setIntProperty(PROPERTY_CONSUMER, 2);
producer.send(msg);
/* Receive the messages that have just been sent. */
/* Use consumer 1 to receive one of the messages. The receive()
* method is called twice to make sure there is nothing else in
* stock for this consumer. */
msg1 = (TextMessage) consumer1.receive(RECEIVE_TIMEOUT);
assertNotNull(msg1);
propertyValue = msg1.getIntProperty(PROPERTY_CONSUMER);
contents = msg1.getText();
assertEquals(1, propertyValue);
assertEquals(MESSAGE_1, contents);
msg1 = (TextMessage) consumer1.receive(RECEIVE_TIMEOUT);
assertNull(msg1);
/* Use consumer 2 to receive the other message. The receive()
* method is called twice to make sure there is nothing else in
* stock for this consumer. */
msg2 = (TextMessage) consumer2.receive(RECEIVE_TIMEOUT);
assertNotNull(msg2);
propertyValue = msg2.getIntProperty(PROPERTY_CONSUMER);
contents = msg2.getText();
assertEquals(2, propertyValue);
assertEquals(MESSAGE_2, contents);
msg2 = (TextMessage) consumer2.receive(RECEIVE_TIMEOUT);
assertNull(msg2);
}
catch (JMSException ex)
{
ex.printStackTrace();
fail();
}
}
}