trunk/activemq-core/src/test/java/org/apache/activemq/MessageTransformationTest.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 javax.jms.BytesMessage;
import javax.jms.MapMessage;
import javax.jms.ObjectMessage;
import javax.jms.Queue;
import javax.jms.StreamMessage;
import javax.jms.TemporaryQueue;
import javax.jms.TemporaryTopic;
import javax.jms.TextMessage;
import javax.jms.Topic;

import junit.framework.TestCase;
import org.apache.activemq.command.ActiveMQBytesMessage;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQMapMessage;
import org.apache.activemq.command.ActiveMQMessage;
import org.apache.activemq.command.ActiveMQObjectMessage;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.command.ActiveMQStreamMessage;
import org.apache.activemq.command.ActiveMQTempQueue;
import org.apache.activemq.command.ActiveMQTempTopic;
import org.apache.activemq.command.ActiveMQTextMessage;
import org.apache.activemq.command.ActiveMQTopic;

public class MessageTransformationTest extends TestCase {

    /**
     * Sets up the resources of the unit test.
     * 
     * @throws Exception
     */
    protected void setUp() throws Exception {
    }

    /**
     * Clears up the resources used in the unit test.
     */
    protected void tearDown() throws Exception {
    }

    /**
     * Tests transforming destinations into ActiveMQ's destination
     * implementation.
     */
    public void testTransformDestination() throws Exception {
        assertTrue("Transforming a TempQueue destination to an ActiveMQTempQueue",
                   ActiveMQMessageTransformation.transformDestination((TemporaryQueue)new ActiveMQTempQueue()) instanceof ActiveMQTempQueue);

        assertTrue("Transforming a TempTopic destination to an ActiveMQTempTopic",
                   ActiveMQMessageTransformation.transformDestination((TemporaryTopic)new ActiveMQTempTopic()) instanceof ActiveMQTempTopic);

        assertTrue("Transforming a Queue destination to an ActiveMQQueue", ActiveMQMessageTransformation.transformDestination((Queue)new ActiveMQQueue()) instanceof ActiveMQQueue);

        assertTrue("Transforming a Topic destination to an ActiveMQTopic", ActiveMQMessageTransformation.transformDestination((Topic)new ActiveMQTopic()) instanceof ActiveMQTopic);

        assertTrue("Transforming a Destination to an ActiveMQDestination",
                   ActiveMQMessageTransformation.transformDestination((ActiveMQDestination)new ActiveMQTopic()) instanceof ActiveMQDestination);
    }

    /**
     * Tests transforming messages into ActiveMQ's message implementation.
     */
    public void testTransformMessage() throws Exception {
        assertTrue("Transforming a BytesMessage message into an ActiveMQBytesMessage", ActiveMQMessageTransformation.transformMessage((BytesMessage)new ActiveMQBytesMessage(),
                                                                                                                                      null) instanceof ActiveMQBytesMessage);

        assertTrue("Transforming a MapMessage message to an ActiveMQMapMessage",
                   ActiveMQMessageTransformation.transformMessage((MapMessage)new ActiveMQMapMessage(), null) instanceof ActiveMQMapMessage);

        assertTrue("Transforming an ObjectMessage message to an ActiveMQObjectMessage", ActiveMQMessageTransformation.transformMessage((ObjectMessage)new ActiveMQObjectMessage(),
                                                                                                                                       null) instanceof ActiveMQObjectMessage);

        assertTrue("Transforming a StreamMessage message to an ActiveMQStreamMessage", ActiveMQMessageTransformation.transformMessage((StreamMessage)new ActiveMQStreamMessage(),
                                                                                                                                      null) instanceof ActiveMQStreamMessage);

        assertTrue("Transforming a TextMessage message to an ActiveMQTextMessage",
                   ActiveMQMessageTransformation.transformMessage((TextMessage)new ActiveMQTextMessage(), null) instanceof ActiveMQTextMessage);

        assertTrue("Transforming an ActiveMQMessage message to an ActiveMQMessage",
                   ActiveMQMessageTransformation.transformMessage(new ActiveMQMessage(), null) instanceof ActiveMQMessage);
    }
}