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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.hadoop.chukwa.datacollection.adaptor.jms;
  
  import junit.framework.TestCase;
  import org.apache.hadoop.chukwa.datacollection.ChunkReceiver;
  import org.apache.hadoop.chukwa.datacollection.agent.AdaptorManager;
  import org.apache.hadoop.chukwa.Chunk;
  
  import org.apache.activemq.ActiveMQConnection;
  
  import javax.jms.Message;
  import javax.jms.TopicConnection;
  import javax.jms.TopicSession;
  import javax.jms.Session;
  import javax.jms.Topic;
  import javax.jms.TopicPublisher;
  import java.util.ArrayList;
  
  /**
   * Tests the functionality JMSMessagePropertyTransformer.
   */
  public class TestJMSMessagePropertyTransformer extends TestCase implements ChunkReceiver {
    String DATA_TYPE = "Test";
    String MESSAGE_PAYLOAD = "Some JMS message payload";
  
    TopicConnection connection = null;
    TopicSession session = null;
    TopicPublisher publisher = null;
    ArrayList<String> chunkPayloads;
    int bytesReceived = 0;
  
    protected void setUp() throws Exception {
      connection =  ActiveMQConnection.makeConnection("vm://localhost");
      session = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
      Topic topic = session.createTopic("test.topic");
      publisher = session.createPublisher(topic);
      chunkPayloads = new ArrayList<String>();
      bytesReceived = 0;
    }
  
    protected void tearDown() throws Exception {
      session.close();
      connection.close();
    }
  
    public void testJMSMessageProperties() throws Exception {
  
      JMSAdaptor adaptor = new JMSAdaptor();
      adaptor.parseArgs(DATA_TYPE, "vm://localhost -t test.topic " +
                      "-x org.apache.hadoop.chukwa.datacollection.adaptor.jms.JMSMessagePropertyTransformer " +
                      "-p \"foo,bar,num\"",
              AdaptorManager.NULL);
      adaptor.start("id", DATA_TYPE, 0, this);
  
      Message message = session.createTextMessage(MESSAGE_PAYLOAD);
      message.setStringProperty("bar", "bar_value");
      message.setStringProperty("bat", "bat_value");
      message.setStringProperty("foo", "foo_value");
      message.setIntProperty("num", 1);
      publisher.publish(message);
  
      synchronized(this) {
        wait(1000);
      }
      assertEquals("Message not received", 1, chunkPayloads.size());
      assertEquals("Incorrect chunk payload found",
              "foo_value\tbar_value\t1", chunkPayloads.get(0));
    }
  
    public void testJMSMessagePropertiesNoQuotes() throws Exception {
  
      JMSAdaptor adaptor = new JMSAdaptor();
      adaptor.parseArgs(DATA_TYPE, "vm://localhost -t test.topic " +
                      "-x org.apache.hadoop.chukwa.datacollection.adaptor.jms.JMSMessagePropertyTransformer " +
                      "-p foo,bar,num",
              AdaptorManager.NULL);
      adaptor.start("id", DATA_TYPE, 0, this);
  
      Message message = session.createTextMessage(MESSAGE_PAYLOAD);
      message.setStringProperty("bar", "bar_value");
      message.setStringProperty("bat", "bat_value");
      message.setStringProperty("foo", "foo_value");
      message.setIntProperty("num", 1);
      publisher.publish(message);
  
      synchronized(this) {
        wait(1000);
      }
      assertEquals("Message not received", 1, chunkPayloads.size());
      assertEquals("Incorrect chunk payload found",
              "foo_value\tbar_value\t1", chunkPayloads.get(0));
    }
  
    public void testJMSMessagePropertiesWithDelimiter() throws Exception {
  
      JMSAdaptor adaptor = new JMSAdaptor();
      adaptor.parseArgs(DATA_TYPE, "vm://localhost -t test.topic " +
                      "-x org.apache.hadoop.chukwa.datacollection.adaptor.jms.JMSMessagePropertyTransformer " +
                      "-p \"foo,bar,num -d ' '\"",
              AdaptorManager.NULL);
      adaptor.start("id", DATA_TYPE, 0, this);
  
      Message message = session.createTextMessage(MESSAGE_PAYLOAD);
      message.setStringProperty("bar", "bar_value");
      message.setStringProperty("bat", "bat_value");
      message.setStringProperty("foo", "foo_value");
      message.setIntProperty("num", 1);
      publisher.publish(message);
  
      synchronized(this) {
        wait(1000);
      }
      assertEquals("Message not received", 1, chunkPayloads.size());
      assertEquals("Incorrect chunk payload found", "foo_value bar_value 1", chunkPayloads.get(0));
    }
  
    public void testJMSMessagePropertiesWithNoQuotesDelimiter() throws Exception {
  
      JMSAdaptor adaptor = new JMSAdaptor();
      adaptor.parseArgs(DATA_TYPE, "vm://localhost -t test.topic " +
                      "-x org.apache.hadoop.chukwa.datacollection.adaptor.jms.JMSMessagePropertyTransformer " +
                      "-p \"foo,bar,num -d ^^^\"",
              AdaptorManager.NULL);
      adaptor.start("id", DATA_TYPE, 0, this);
  
      Message message = session.createTextMessage(MESSAGE_PAYLOAD);
      message.setStringProperty("bar", "bar_value");
      message.setStringProperty("bat", "bat_value");
      message.setStringProperty("foo", "foo_value");
      message.setIntProperty("num", 1);
      publisher.publish(message);
  
      synchronized(this) {
        wait(1000);
      }
      assertEquals("Message not received", 1, chunkPayloads.size());
      assertEquals("Incorrect chunk payload found", "foo_value^^^bar_value^^^1", chunkPayloads.get(0));
    }
  
    public void testJMSMessagePropertiesWithMultiWordDelimiter() throws Exception {
  
      JMSAdaptor adaptor = new JMSAdaptor();
      adaptor.parseArgs(DATA_TYPE, "vm://localhost -t test.topic " +
                      "-x org.apache.hadoop.chukwa.datacollection.adaptor.jms.JMSMessagePropertyTransformer " +
                      "-p \"foo,bar,num -d '[ insert between values ]'\"",
              AdaptorManager.NULL);
      adaptor.start("id", DATA_TYPE, 0, this);
  
      Message message = session.createTextMessage(MESSAGE_PAYLOAD);
      message.setStringProperty("bar", "bar_value");
      message.setStringProperty("bat", "bat_value");
      message.setStringProperty("foo", "foo_value");
      message.setIntProperty("num", 1);
      publisher.publish(message);
  
      synchronized(this) {
        wait(1000);
      }
      assertEquals("Message not received", 1, chunkPayloads.size());
      assertEquals("Incorrect chunk payload found",
              "foo_value[ insert between values ]bar_value[ insert between values ]1",
              chunkPayloads.get(0));
    }
  
    public void testJMSPropMissingWithAllRequired() throws Exception {
  
      JMSAdaptor adaptor = new JMSAdaptor();
      adaptor.parseArgs(DATA_TYPE, "vm://localhost -t test.topic " +
                      "-x org.apache.hadoop.chukwa.datacollection.adaptor.jms.JMSMessagePropertyTransformer " +
                      "-p \"foo,bar,num\"",
              AdaptorManager.NULL);
      adaptor.start("id", DATA_TYPE, 0, this);
  
      Message message = session.createTextMessage(MESSAGE_PAYLOAD);
      message.setStringProperty("bar", "bar_value");
      message.setStringProperty("bat", "bat_value");
      message.setIntProperty("num", 1);
      publisher.publish(message);
  
      synchronized(this) {
        wait(1000);
      }
      assertEquals("Message should not have been received", 0, chunkPayloads.size());
    }
  
    public void testJMSPropMissingWithSomeRequired() throws Exception {
  
      JMSAdaptor adaptor = new JMSAdaptor();
      adaptor.parseArgs(DATA_TYPE, "vm://localhost -t test.topic " +
                      "-x org.apache.hadoop.chukwa.datacollection.adaptor.jms.JMSMessagePropertyTransformer " +
                      "-p \"foo,bar,num -r foo\"",
              AdaptorManager.NULL);
      adaptor.start("id", DATA_TYPE, 0, this);
  
      Message message = session.createTextMessage(MESSAGE_PAYLOAD);
      message.setStringProperty("bar", "bar_value");
      message.setStringProperty("bat", "bat_value");
      message.setIntProperty("num", 1);
      publisher.publish(message);
  
      synchronized(this) {
        wait(1000);
      }
      assertEquals("Message should not have been received", 0, chunkPayloads.size());
    }
  
    public void testJMSPropMissingWithSomeRequired2() throws Exception {
  
      JMSAdaptor adaptor = new JMSAdaptor();
      adaptor.parseArgs(DATA_TYPE, "vm://localhost -t test.topic " +
                      "-x org.apache.hadoop.chukwa.datacollection.adaptor.jms.JMSMessagePropertyTransformer " +
                      "-p \"foo,bar,num -r foo\"",
              AdaptorManager.NULL);
      adaptor.start("id", DATA_TYPE, 0, this);
  
      Message message = session.createTextMessage(MESSAGE_PAYLOAD);
      message.setStringProperty("foo", "foo_value");
      message.setStringProperty("bat", "bat_value");
      message.setIntProperty("num", 1);
      publisher.publish(message);
  
      synchronized(this) {
        wait(1000);
      }
      assertEquals("Message not received", 1, chunkPayloads.size());
      assertEquals("Incorrect chunk payload found", "foo_value\t\t1", chunkPayloads.get(0));
    }
  
    public void testJMSPropfoundWithSomeRequired() throws Exception {
  
      JMSAdaptor adaptor = new JMSAdaptor();
      adaptor.parseArgs(DATA_TYPE, "vm://localhost -t test.topic " +
                      "-x org.apache.hadoop.chukwa.datacollection.adaptor.jms.JMSMessagePropertyTransformer " +
                      "-p \"foo,bar,num -r foo\"",
              AdaptorManager.NULL);
      adaptor.start("id", DATA_TYPE, 0, this);
  
      Message message = session.createTextMessage(MESSAGE_PAYLOAD);
      message.setStringProperty("bar", "bar_value");
      message.setStringProperty("bat", "bat_value");
      message.setStringProperty("foo", "foo_value");
      message.setIntProperty("num", 1);
      publisher.publish(message);
  
      synchronized(this) {
        wait(1000);
      }
      assertEquals("Message not received", 1, chunkPayloads.size());
      assertEquals("Incorrect chunk payload found", "foo_value\tbar_value\t1", chunkPayloads.get(0));
    }
  
  
  
    public void add(Chunk c) {
      bytesReceived += c.getData().length;
      assertEquals("Unexpected data type", DATA_TYPE, c.getDataType());
      assertEquals("Chunk sequenceId should be total bytes received.",
              bytesReceived, c.getSeqID());
      chunkPayloads.add(new String(c.getData()));
    }
  }