ActiveMQTextMessageTest.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.command;

import javax.jms.JMSException;
import javax.jms.MessageNotReadableException;
import javax.jms.MessageNotWriteableException;
import java.io.DataOutputStream;
import java.io.IOException;

import junit.framework.TestCase;

import junit.textui.TestRunner;
import org.apache.activemq.util.ByteArrayOutputStream;
import org.apache.activemq.util.ByteSequence;
import org.apache.activemq.util.MarshallingSupport;

/**
 *
 */
public class ActiveMQTextMessageTest extends TestCase {

   public static void main(String[] args) {
      TestRunner.run(ActiveMQTextMessageTest.class);
   }

   public void testGetDataStructureType() {
      ActiveMQTextMessage msg = new ActiveMQTextMessage();
      assertEquals(msg.getDataStructureType(), CommandTypes.ACTIVEMQ_TEXT_MESSAGE);
   }

   public void testShallowCopy() throws JMSException {
      ActiveMQTextMessage msg = new ActiveMQTextMessage();
      String string = "str";
      msg.setText(string);
      Message copy = msg.copy();
      assertSame(msg.getText(), ((ActiveMQTextMessage) copy).getText());
   }

   public void testSetText() {
      ActiveMQTextMessage msg = new ActiveMQTextMessage();
      String str = "testText";
      try {
         msg.setText(str);
         assertEquals(msg.getText(), str);
      } catch (JMSException e) {
         e.printStackTrace();
      }
   }

   public void testGetBytes() throws JMSException, IOException {
      ActiveMQTextMessage msg = new ActiveMQTextMessage();
      String str = "testText";
      msg.setText(str);
      msg.beforeMarshall(null);

      ByteSequence bytes = msg.getContent();
      msg = new ActiveMQTextMessage();
      msg.setContent(bytes);

      assertEquals(msg.getText(), str);
   }

   public void testClearBody() throws JMSException, IOException {
      ActiveMQTextMessage textMessage = new ActiveMQTextMessage();
      textMessage.setText("string");
      textMessage.clearBody();
      assertFalse(textMessage.isReadOnlyBody());
      assertNull(textMessage.getText());
      try {
         textMessage.setText("String");
         textMessage.getText();
      } catch (MessageNotWriteableException mnwe) {
         fail("should be writeable");
      } catch (MessageNotReadableException mnre) {
         fail("should be readable");
      }
   }

   public void testReadOnlyBody() throws JMSException {
      ActiveMQTextMessage textMessage = new ActiveMQTextMessage();
      textMessage.setText("test");
      textMessage.setReadOnlyBody(true);
      try {
         textMessage.getText();
      } catch (MessageNotReadableException e) {
         fail("should be readable");
      }
      try {
         textMessage.setText("test");
         fail("should throw exception");
      } catch (MessageNotWriteableException mnwe) {
      }
   }

   public void testWriteOnlyBody() throws JMSException { // should always be readable
      ActiveMQTextMessage textMessage = new ActiveMQTextMessage();
      textMessage.setReadOnlyBody(false);
      try {
         textMessage.setText("test");
         textMessage.getText();
      } catch (MessageNotReadableException e) {
         fail("should be readable");
      }
      textMessage.setReadOnlyBody(true);
      try {
         textMessage.getText();
         textMessage.setText("test");
         fail("should throw exception");
      } catch (MessageNotReadableException e) {
         fail("should be readable");
      } catch (MessageNotWriteableException mnwe) {
      }
   }

   public void testShortText() throws Exception {
      String shortText = "Content";
      ActiveMQTextMessage shortMessage = new ActiveMQTextMessage();
      setContent(shortMessage, shortText);
      assertTrue(shortMessage.toString().contains("text = " + shortText));
      assertTrue(shortMessage.getText().equals(shortText));

      String longText = "Very very very very veeeeeeery loooooooooooooooooooooooooooooooooong text";
      String longExpectedText = "Very very very very veeeeeeery looooooooooooo...ooooong text";
      ActiveMQTextMessage longMessage = new ActiveMQTextMessage();
      setContent(longMessage, longText);
      assertTrue(longMessage.toString().contains("text = " + longExpectedText));
      assertTrue(longMessage.getText().equals(longText));
   }

   public void testNullText() throws Exception {
      ActiveMQTextMessage nullMessage = new ActiveMQTextMessage();
      setContent(nullMessage, null);
      assertTrue(nullMessage.toString().contains("text = null"));
   }

   protected void setContent(Message message, String text) throws Exception {
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      DataOutputStream dataOut = new DataOutputStream(baos);
      MarshallingSupport.writeUTF8(dataOut, text);
      dataOut.close();
      message.setContent(baos.toByteSequence());
   }
}