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ActiveMQ example source code file (TestSupport.java)

This example ActiveMQ source code file (TestSupport.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - ActiveMQ tags/keywords

activemqconnectionfactory, activemqmessage, array, exception, io, jmsexception, jmsexception, message, message, object, object, reflection, string, testsupport, textmessage, textmessage

The ActiveMQ TestSupport.java source code

/**
 * 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.test;

import java.io.File;
import java.lang.reflect.Array;

import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.TextMessage;

import junit.framework.TestCase;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.command.ActiveMQMessage;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.command.ActiveMQTopic;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Useful base class for unit test cases
 * 
 * 
 */
public abstract class TestSupport extends TestCase {
    private static final Logger LOG = LoggerFactory.getLogger(TestSupport.class);
    
    protected ActiveMQConnectionFactory connectionFactory;
    protected boolean topic = true;

    public TestSupport() {
        super();
    }

    public TestSupport(String name) {
        super(name);
    }

    /**
     * Creates an ActiveMQMessage.
     * 
     * @return ActiveMQMessage
     */
    protected ActiveMQMessage createMessage() {
        return new ActiveMQMessage();
    }

    /**
     * Creates a destination.
     * 
     * @param subject - topic or queue name.
     * @return Destination - either an ActiveMQTopic or ActiveMQQUeue.
     */
    protected Destination createDestination(String subject) {
        if (topic) {
            return new ActiveMQTopic(subject);
        } else {
            return new ActiveMQQueue(subject);
        }
    }

    /**
     * Tests if firstSet and secondSet are equal.
     * 
     * @param messsage - string to be displayed when the assertion fails.
     * @param firstSet[] - set of messages to be compared with its counterpart
     *                in the secondset.
     * @param secondSet[] - set of messages to be compared with its counterpart
     *                in the firstset.
     * @throws JMSException
     */
    protected void assertTextMessagesEqual(Message[] firstSet, Message[] secondSet) throws JMSException {
        assertTextMessagesEqual("", firstSet, secondSet);
    }

    /**
     * Tests if firstSet and secondSet are equal.
     * 
     * @param messsage - string to be displayed when the assertion fails.
     * @param firstSet[] - set of messages to be compared with its counterpart
     *                in the secondset.
     * @param secondSet[] - set of messages to be compared with its counterpart
     *                in the firstset.
     */
    protected void assertTextMessagesEqual(String messsage, Message[] firstSet, Message[] secondSet) throws JMSException {
        assertEquals("Message count does not match: " + messsage, firstSet.length, secondSet.length);

        for (int i = 0; i < secondSet.length; i++) {
            TextMessage m1 = (TextMessage)firstSet[i];
            TextMessage m2 = (TextMessage)secondSet[i];
            assertTextMessageEqual("Message " + (i + 1) + " did not match : ", m1, m2);
        }
    }

    /**
     * Tests if m1 and m2 are equal.
     * 
     * @param m1 - message to be compared with m2.
     * @param m2 - message to be compared with m1.
     * @throws JMSException
     */
    protected void assertEquals(TextMessage m1, TextMessage m2) throws JMSException {
        assertEquals("", m1, m2);
    }

    /**
     * Tests if m1 and m2 are equal.
     * 
     * @param message - string to be displayed when the assertion fails.
     * @param m1 - message to be compared with m2.
     * @param m2 - message to be compared with m1.
     */
    protected void assertTextMessageEqual(String message, TextMessage m1, TextMessage m2) throws JMSException {
        assertFalse(message + ": expected {" + m1 + "}, but was {" + m2 + "}", m1 == null ^ m2 == null);

        if (m1 == null) {
            return;
        }

        assertEquals(message, m1.getText(), m2.getText());
    }

    /**
     * Tests if m1 and m2 are equal.
     * 
     * @param m1 - message to be compared with m2.
     * @param m2 - message to be compared with m1.
     * @throws JMSException
     */
    protected void assertEquals(Message m1, Message m2) throws JMSException {
        assertEquals("", m1, m2);
    }

    /**
     * Tests if m1 and m2 are equal.
     * 
     * @param message - error message.
     * @param m1 - message to be compared with m2.
     * @param m2 -- message to be compared with m1.
     */
    protected void assertEquals(String message, Message m1, Message m2) throws JMSException {
        assertFalse(message + ": expected {" + m1 + "}, but was {" + m2 + "}", m1 == null ^ m2 == null);

        if (m1 == null) {
            return;
        }

        assertTrue(message + ": expected {" + m1 + "}, but was {" + m2 + "}", m1.getClass() == m2.getClass());

        if (m1 instanceof TextMessage) {
            assertTextMessageEqual(message, (TextMessage)m1, (TextMessage)m2);
        } else {
            assertEquals(message, m1, m2);
        }
    }
    
    /**
     * Test if base directory contains spaces
     */
    protected void assertBaseDirectoryContainsSpaces() {
    	assertFalse("Base directory cannot contain spaces.", new File(System.getProperty("basedir", ".")).getAbsoluteFile().toString().contains(" "));
    }

    /**
     * Creates an ActiveMQConnectionFactory.
     * 
     * @return ActiveMQConnectionFactory
     * @throws Exception
     */
    protected ActiveMQConnectionFactory createConnectionFactory() throws Exception {
        return new ActiveMQConnectionFactory("vm://localhost?broker.persistent=false");
    }

    /**
     * Factory method to create a new connection.
     * 
     * @return connection
     * @throws Exception
     */
    protected Connection createConnection() throws Exception {
        return getConnectionFactory().createConnection();
    }

    /**
     * Creates an ActiveMQ connection factory.
     * 
     * @return connectionFactory
     * @throws Exception
     */
    public ActiveMQConnectionFactory getConnectionFactory() throws Exception {
        if (connectionFactory == null) {
            connectionFactory = createConnectionFactory();
            assertTrue("Should have created a connection factory!", connectionFactory != null);
        }

        return connectionFactory;
    }

    /**
     * Returns the consumer subject.
     * 
     * @return String
     */
    protected String getConsumerSubject() {
        return getSubject();
    }

    /**
     * Returns the producer subject.
     * 
     * @return String
     */
    protected String getProducerSubject() {
        return getSubject();
    }

    /**
     * Returns the subject.
     * 
     * @return String
     */
    protected String getSubject() {
        return getClass().getName() + "." + getName();
    }

    protected void assertArrayEqual(String message, Object[] expected, Object[] actual) {
        assertEquals(message + ". Array length", expected.length, actual.length);
        for (int i = 0; i < expected.length; i++) {
            assertEquals(message + ". element: " + i, expected[i], actual[i]);
        }
    }

    protected void assertPrimitiveArrayEqual(String message, Object expected, Object actual) {
        int length = Array.getLength(expected);
        assertEquals(message + ". Array length", length, Array.getLength(actual));
        for (int i = 0; i < length; i++) {
            assertEquals(message + ". element: " + i, Array.get(expected, i), Array.get(actual, i));
        }
    }
}

Other ActiveMQ examples (source code examples)

Here is a short list of links related to this ActiveMQ TestSupport.java source code file:

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