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

import static org.junit.Assert.assertNull;

import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.IllegalStateException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.Session;

import org.apache.activemq.broker.BrokerService;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * Test behavior of JMS MessageConsumer API implementation when closed.
 */
public class JmsMessageConsumerClosedTest {

    private Connection connection;
    private MessageConsumer consumer;
    private Destination destination;
    private BrokerService brokerService;

    protected BrokerService createBroker() throws Exception {
        BrokerService brokerService = new BrokerService();

        brokerService.setPersistent(false);
        brokerService.setUseJmx(false);
        brokerService.setAdvisorySupport(false);

        return brokerService;
    }

    protected MessageConsumer createClosedConsumer() throws Exception {
        MessageConsumer consumer = createConsumer();
        consumer.close();
        return consumer;
    }

    protected MessageConsumer createConsumer() throws Exception {
        ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost?create=false");
        connection = factory.createConnection();
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        destination = session.createTopic("test");
        return session.createConsumer(destination);
    }

    @Before
    public void setUp() throws Exception {
        brokerService = createBroker();
        brokerService.start();
        brokerService.waitUntilStarted();

        consumer = createClosedConsumer();
    }

    @After
    public void tearDown() throws Exception {
        try {
            if (connection != null) {
                connection.close();
            }
        } catch (Exception ex) {}

        if (brokerService != null) {
            brokerService.stop();
            brokerService.waitUntilStopped();
        }
    }

    @Test(timeout = 30000)
    public void testCloseWhileReceiveIsBlocked() throws Exception {
        final MessageConsumer consumer = createConsumer();

        Thread closer = new Thread(new Runnable() {

            @Override
            public void run() {
                try {
                    Thread.sleep(2000);
                    consumer.close();
                } catch (Exception ex) {}
            }
        });
        closer.start();

        assertNull(consumer.receive());
    }

    @Test(timeout = 30000)
    public void testCloseWhileTimedReceiveIsBlocked() throws Exception {
        final MessageConsumer consumer = createConsumer();

        Thread closer = new Thread(new Runnable() {

            @Override
            public void run() {
                try {
                    Thread.sleep(2000);
                    consumer.close();
                } catch (Exception ex) {}
            }
        });
        closer.start();

        assertNull(consumer.receive(5000));
    }

    @Test(timeout=30000, expected=IllegalStateException.class)
    public void testGetMessageSelectorFails() throws Exception {
        consumer.getMessageSelector();
    }

    @Test(timeout=30000, expected=IllegalStateException.class)
    public void testGetMessageListenerFails() throws Exception {
        consumer.getMessageListener();
    }

    @Test(timeout=30000, expected=IllegalStateException.class)
    public void testSetMessageListenerFails() throws Exception {
        consumer.setMessageListener(new MessageListener() {
            @Override
            public void onMessage(Message message) {
            }
        });
    }

    @Test(timeout=30000, expected=IllegalStateException.class)
    public void testRreceiveFails() throws Exception {
        consumer.receive();
    }

    @Test(timeout=30000, expected=IllegalStateException.class)
    public void testRreceiveTimedFails() throws Exception {
        consumer.receive(11);
    }

    @Test(timeout=30000, expected=IllegalStateException.class)
    public void testRreceiveNoWaitFails() throws Exception {
        consumer.receiveNoWait();
    }

    @Test(timeout=30000)
    public void testClose() throws Exception {
        consumer.close();
    }
}