activemq-unit-tests/src/test/java/org/apache/activemq/bugs/AMQ2174Test.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.bugs;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;

import javax.jms.Connection;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.Topic;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestName;

/**
 * Test cases to investigate subscription problems
 */
public class AMQ2174Test {

    @Rule
    public TestName testName = new TestName();

    private BrokerService broker;
    private ActiveMQConnectionFactory cf;

    @Before
    public void setUp() throws Exception {
        broker = new BrokerService();
        broker.setDeleteAllMessagesOnStartup(true);
        broker.addConnector("tcp://localhost:0");
        broker.setUseJmx(false);
        broker.start();
        broker.waitUntilStarted();

        String connectionURI = broker.getTransportConnectors().get(0).getConnectUri().toString();
        cf = new ActiveMQConnectionFactory(connectionURI);
    }

    @After
    public void tearDown() throws Exception {
        broker.stop();
    }

    @Test(timeout = 60000)
    public void testChangeDurableSub() throws Exception {

        Connection connection = cf.createConnection();
        connection.setClientID(testName.getMethodName());
        connection.start();

        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        Topic destination = session.createTopic(testName.getMethodName());
        MessageConsumer consumer = session.createDurableSubscriber(destination, testName.getMethodName(), "color = 'red'", false);
        consumer.close();

        sendMessages();

        consumer = session.createDurableSubscriber(destination, testName.getMethodName(), "color = 'red'", false);
        Message received = consumer.receive(2000);
        assertNotNull(received);
        assertEquals("red", received.getStringProperty("color"));
        assertNull(consumer.receive(10));
        consumer.close();

        sendMessages();

        consumer = session.createDurableSubscriber(destination, testName.getMethodName(), "color = 'green'", false);
        received = consumer.receive(500);
        assertNull(received);

        sendMessages();

        received = consumer.receive(2000);
        assertNotNull(received);
        assertEquals("green", received.getStringProperty("color"));
        assertNull(consumer.receive(10));
        consumer.close();

        consumer = session.createDurableSubscriber(destination, testName.getMethodName());

        sendMessages();

        received = consumer.receive(2000);
        assertNotNull(received);
        assertEquals("red", received.getStringProperty("color"));
        received = consumer.receive(2000);
        assertNotNull(received);
        assertEquals("green", received.getStringProperty("color"));
        received = consumer.receive(2000);
        assertNotNull(received);
        assertEquals("blue", received.getStringProperty("color"));
        assertNull(consumer.receive(10));

        consumer.close();
    }

    private void sendMessages() throws Exception {
        Connection connection = cf.createConnection();
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        Topic destination = session.createTopic(testName.getMethodName());
        MessageProducer producer = session.createProducer(destination);

        Message message1 = session.createMessage();
        Message message2 = session.createMessage();
        Message message3 = session.createMessage();

        message1.setStringProperty("color", "red");
        message2.setStringProperty("color", "green");
        message3.setStringProperty("color", "blue");

        producer.send(message1);
        producer.send(message2);
        producer.send(message3);

        connection.close();
    }

}