1 files changed, 140 insertions, 0 deletions
diff --git a/trunk/qpid/java/management/client/src/test/java/org/apache/qpid/management/domain/services/MessageTokenizerTest.java b/trunk/qpid/java/management/client/src/test/java/org/apache/qpid/management/domain/services/MessageTokenizerTest.java
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index 0000000000..55b8b17f9d
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+++ b/trunk/qpid/java/management/client/src/test/java/org/apache/qpid/management/domain/services/MessageTokenizerTest.java
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+/*
+*
+ * 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.qpid.management.domain.services;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.*;
+
+import junit.framework.TestCase;
+
+import org.apache.qpid.api.Message;
+import org.apache.qpid.nclient.util.ByteBufferMessage;
+import org.apache.qpid.transport.codec.BBDecoder;
+
+/**
+ * Tests case for messaeg tokenizer.
+ * 
+ * @author Andrea Gazzarini
+ */
+public class MessageTokenizerTest extends TestCase {
+	
+	/**
+	 * Tests the execution of the message tokenizer when the given message is not a valid AMQP message.
+	 * 
+	 * <br>precondition : the incoming message is not a valid AMQP message.
+	 * <br>postcondition : no exception is thrown and there will be exactly one token with the given message.
+	 */
+	public void testOK_WithNoMessage() throws IOException{
+		byte [] noMessage = {2,10,120,23,23,23,4,10,11,12,2,1,3,-22};
+		
+		Message multiMessage = new ByteBufferMessage();
+		multiMessage.appendData(noMessage);
+		MessageTokenizer tokenizer = new MessageTokenizer(multiMessage);
+		
+		assertEquals(1, tokenizer.countTokens());
+		assertEquals(tokenizer.nextElement(),noMessage);
+		assertFalse(tokenizer.hasMoreElements());
+	}
+	
+	/**
+	 * Tests the execution of the message tokenizer when the given message contains only one message.
+	 * 
+	 * <br>precondition : the incoming message contains only one message.
+	 * <br>postcondition : no exception is thrown and there will be exactly one token with the given message.
+	 */
+	public void testOK_WithOneMessage() throws IOException{
+		byte [] oneEncodedMessage = {'A','M','2',23,23,23,4,10,11,12,2,1,3,-22};
+		
+		Message multiMessage = new ByteBufferMessage();
+		multiMessage.appendData(oneEncodedMessage);
+		MessageTokenizer tokenizer = new MessageTokenizer(multiMessage);
+		
+		assertEquals(1, tokenizer.countTokens());
+		assertEquals(tokenizer.nextElement(),oneEncodedMessage);
+		assertFalse(tokenizer.hasMoreElements());
+	}
+
+	/**
+	 * Tests the execution of the message tokenizer when the given message contains a random number of messages.
+	 * 
+	 * <br>precondition : the incoming message contains a random number of messages.
+	 * <br>postcondition : no exception is thrown and each built token is a valid message starting with right header.
+	 */
+	public void testOK_WithRandomNUmberOfMessages() throws IOException{
+		Random randomizer = new Random();
+		
+		int howManyLoops = randomizer.nextInt(10000);
+		howManyLoops = (howManyLoops == 0) ? 10 : howManyLoops;
+		byte [] compoundMessageData = new byte [12 * howManyLoops];
+		
+		List<byte []> messages = new ArrayList<byte[]>(howManyLoops);
+		
+		int position = 0;
+		for (int i = 0; i < howManyLoops; i++) 
+		{
+			byte [] message = new byte[12];			
+			System.arraycopy(MessageTokenizer.MAGIC_NUMBER_BYTES, 0, compoundMessageData, position, MessageTokenizer.MAGIC_NUMBER_BYTES.length);
+			System.arraycopy(MessageTokenizer.MAGIC_NUMBER_BYTES, 0, message, 0, MessageTokenizer.MAGIC_NUMBER_BYTES.length);
+			position+=MessageTokenizer.MAGIC_NUMBER_BYTES.length;
+			
+			for (int c = 3; c < 12; c++) 
+			{
+				byte aByte = (byte)randomizer.nextInt(127);
+				aByte = (aByte == 77) ? (byte)c : aByte;
+				compoundMessageData[position++] = aByte;
+				message[c] = aByte;
+			}
+			messages.add(message);
+		}
+				
+		Message multiMessage = new ByteBufferMessage();
+		multiMessage.appendData(compoundMessageData);
+		MessageTokenizer tokenizer = new MessageTokenizer(multiMessage);
+		
+		int howManyTokens = tokenizer.countTokens();
+		assertEquals(howManyLoops, howManyTokens);
+		
+		int index = 0;
+		while (tokenizer.hasMoreElements())
+		{
+			assertEquals(tokenizer.nextElement(),messages.get(index++));
+		}	
+		
+		assertEquals((index),howManyTokens);
+	}
+	
+	/**
+	 * Internal method used for comparison of two messages.
+	 * 
+	 * @param message the token message just built by the tokenizer.
+	 * @param expected the expected result.
+	 */
+	private void assertEquals(Message message, byte [] expected) throws IOException 
+	{
+		ByteBuffer messageContent = message.readData();
+		BBDecoder decoder = new BBDecoder();
+		decoder.init(messageContent);
+		byte [] content = decoder.readReaminingBytes();	
+		assertTrue(Arrays.equals(content, expected));		
+	}
+}