/*
* 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 backtype.storm.contrib.jms.spout;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.util.HashMap;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import org.junit.Assert;
import org.junit.Test;
import org.mortbay.log.Log;
import backtype.storm.contrib.jms.JmsProvider;
import backtype.storm.spout.SpoutOutputCollector;
public class JmsSpoutTest {
@Test
public void testFailure() throws JMSException, Exception{
JmsSpout spout = new JmsSpout();
JmsProvider mockProvider = new MockJmsProvider();
MockSpoutOutputCollector mockCollector = new MockSpoutOutputCollector();
SpoutOutputCollector collector = new SpoutOutputCollector(mockCollector);
spout.setJmsProvider(new MockJmsProvider());
spout.setJmsTupleProducer(new MockTupleProducer());
spout.setJmsAcknowledgeMode(Session.CLIENT_ACKNOWLEDGE);
spout.setRecoveryPeriod(10); // Rapid recovery for testing.
spout.open(new HashMap<String,String>(), null, collector);
Message msg = this.sendMessage(mockProvider.connectionFactory(), mockProvider.destination());
Thread.sleep(100);
spout.nextTuple(); // Pretend to be storm.
Assert.assertTrue(mockCollector.emitted);
mockCollector.reset();
spout.fail(msg.getJMSMessageID()); // Mock failure
Thread.sleep(5000);
spout.nextTuple(); // Pretend to be storm.
Thread.sleep(5000);
Assert.assertTrue(mockCollector.emitted); // Should have been re-emitted
}
@Test
public void testSerializability() throws IOException{
JmsSpout spout = new JmsSpout();
ByteArrayOutputStream out = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(out);
oos.writeObject(spout);
oos.close();
Assert.assertTrue(out.toByteArray().length > 0);
}
public Message sendMessage(ConnectionFactory connectionFactory, Destination destination) throws JMSException {
Session mySess = connectionFactory.createConnection().createSession(false, Session.CLIENT_ACKNOWLEDGE);
MessageProducer producer = mySess.createProducer(destination);
TextMessage msg = mySess.createTextMessage();
msg.setText("Hello World");
Log.debug("Sending Message: " + msg.getText());
producer.send(msg);
return msg;
}
}