| /* |
| * Copyright (c) 2013 DataTorrent, Inc. ALL Rights Reserved. |
| * |
| * Licensed 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 com.datatorrent.contrib.rabbitmq; |
| |
| import java.io.IOException; |
| import java.net.MalformedURLException; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import com.rabbitmq.client.*; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.slf4j.LoggerFactory; |
| |
| import com.datatorrent.contrib.helper.SourceModule; |
| |
| import com.datatorrent.api.DAG; |
| import com.datatorrent.api.DAG.Locality; |
| import com.datatorrent.api.LocalMode; |
| |
| /** |
| * |
| */ |
| public class RabbitMQOutputOperatorTest |
| { |
| private static org.slf4j.Logger logger = LoggerFactory.getLogger(RabbitMQOutputOperatorTest.class); |
| |
| public class RabbitMQMessageReceiver |
| { |
| public HashMap<String, Integer> dataMap = new HashMap<String, Integer>(); |
| public int count = 0; |
| private final String host = "localhost"; |
| ConnectionFactory connFactory = new ConnectionFactory(); |
| // QueueingConsumer consumer = null; |
| Connection connection = null; |
| Channel channel = null; |
| TracingConsumer tracingConsumer = null; |
| String cTag; |
| String queueName = "testQ"; |
| String exchange = "testEx"; |
| |
| public void setup() throws IOException |
| { |
| logger.debug("setting up receiver.."); |
| connFactory.setHost(host); |
| connection = connFactory.newConnection(); |
| channel = connection.createChannel(); |
| |
| channel.exchangeDeclare(exchange, "fanout"); |
| queueName = channel.queueDeclare().getQueue(); |
| channel.queueBind(queueName, exchange, ""); |
| |
| // consumer = new QueueingConsumer(channel); |
| // channel.basicConsume(queueName, true, consumer); |
| tracingConsumer = new TracingConsumer(channel); |
| cTag = channel.basicConsume(queueName, true, tracingConsumer); |
| } |
| |
| public String getQueueName() |
| { |
| return queueName; |
| } |
| |
| public void teardown() throws IOException |
| { |
| channel.close(); |
| connection.close(); |
| } |
| |
| public class TracingConsumer extends DefaultConsumer |
| { |
| public TracingConsumer(Channel ch) |
| { |
| super(ch); |
| } |
| |
| @Override |
| public void handleConsumeOk(String c) |
| { |
| logger.debug(this + ".handleConsumeOk(" + c + ")"); |
| super.handleConsumeOk(c); |
| } |
| |
| @Override |
| public void handleCancelOk(String c) |
| { |
| logger.debug(this + ".handleCancelOk(" + c + ")"); |
| super.handleCancelOk(c); |
| } |
| |
| @Override |
| public void handleShutdownSignal(String c, ShutdownSignalException sig) |
| { |
| logger.debug(this + ".handleShutdownSignal(" + c + ", " + sig + ")"); |
| super.handleShutdownSignal(c, sig); |
| } |
| |
| @Override |
| public void handleDelivery(String consumer_Tag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException |
| { |
| String str = new String(body); |
| if (str.indexOf("{") == -1) { |
| return; |
| } |
| int eq = str.indexOf('='); |
| String key = str.substring(1, eq); |
| int value = Integer.parseInt(str.substring(eq + 1, str.length() - 1)); |
| dataMap.put(key, value); |
| count++; |
| } |
| } |
| } |
| |
| |
| @Test |
| public void testDag() throws InterruptedException, MalformedURLException, IOException, Exception |
| { |
| final int testNum = 3; |
| runTest(testNum); |
| logger.debug("end of test"); |
| } |
| |
| protected void runTest(int testNum) throws IOException |
| { |
| RabbitMQMessageReceiver receiver = new RabbitMQMessageReceiver(); |
| receiver.setup(); |
| |
| LocalMode lma = LocalMode.newInstance(); |
| DAG dag = lma.getDAG(); |
| SourceModule source = dag.addOperator("source", new SourceModule()); |
| source.setTestNum(testNum); |
| RabbitMQOutputOperator collector = dag.addOperator("generator", new RabbitMQOutputOperator()); |
| |
| collector.setExchange("testEx"); |
| dag.addStream("Stream", source.outPort, collector.inputPort).setLocality(Locality.CONTAINER_LOCAL); |
| |
| final LocalMode.Controller lc = lma.getController(); |
| lc.setHeartbeatMonitoringEnabled(false); |
| lc.runAsync(); |
| try { |
| Thread.sleep(1000); |
| long timeout = 10000L; |
| long startTms = System.currentTimeMillis(); |
| while((receiver.count < testNum * 3) && (System.currentTimeMillis() - startTms < timeout)) |
| { |
| Thread.sleep(100); |
| } |
| } |
| catch (InterruptedException ex) { |
| Assert.fail(ex.getMessage()); |
| } finally { |
| lc.shutdown(); |
| } |
| |
| Assert.assertEquals("emitted value for testNum was ", testNum * 3, receiver.count); |
| for (Map.Entry<String, Integer> e : receiver.dataMap.entrySet()) { |
| if (e.getKey().equals("a")) { |
| Assert.assertEquals("emitted value for 'a' was ", new Integer(2), e.getValue()); |
| } |
| else if (e.getKey().equals("b")) { |
| Assert.assertEquals("emitted value for 'b' was ", new Integer(20), e.getValue()); |
| } |
| else if (e.getKey().equals("c")) { |
| Assert.assertEquals("emitted value for 'c' was ", new Integer(1000), e.getValue()); |
| } |
| } |
| } |
| } |