| /* |
| * 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.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| |
| import com.rabbitmq.client.Channel; |
| import com.rabbitmq.client.Connection; |
| import com.rabbitmq.client.ConnectionFactory; |
| import com.rabbitmq.client.QueueingConsumer; |
| |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.datatorrent.contrib.helper.CollectorModule; |
| import com.datatorrent.contrib.helper.MessageQueueTestHelper; |
| |
| import com.datatorrent.api.DAG; |
| import com.datatorrent.api.DAG.Locality; |
| import com.datatorrent.api.LocalMode; |
| |
| import com.datatorrent.common.util.DTThrowable; |
| |
| /** |
| * |
| */ |
| public class RabbitMQInputOperatorTest |
| { |
| private static Logger logger = LoggerFactory.getLogger(RabbitMQInputOperatorTest.class); |
| |
| public static final class TestStringRabbitMQInputOperator extends AbstractSinglePortRabbitMQInputOperator<String> |
| { |
| @Override |
| public String getTuple(byte[] message) |
| { |
| return new String(message); |
| } |
| |
| public void replayTuples(long windowId) |
| { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| } |
| |
| private final class RabbitMQMessageGenerator |
| { |
| ConnectionFactory connFactory = new ConnectionFactory(); |
| QueueingConsumer consumer = null; |
| Connection connection = null; |
| Channel channel = null; |
| final String exchange = "testEx"; |
| public String queueName = "testQ"; |
| |
| public void setup() throws IOException |
| { |
| connFactory.setHost("localhost"); |
| connection = connFactory.newConnection(); |
| channel = connection.createChannel(); |
| channel.exchangeDeclare(exchange, "fanout"); |
| // channel.queueDeclare(queueName, false, false, false, null); |
| } |
| |
| public void setQueueName(String queueName) |
| { |
| this.queueName = queueName; |
| } |
| |
| public void process(Object message) throws IOException |
| { |
| String msg = message.toString(); |
| // logger.debug("publish:" + msg); |
| channel.basicPublish(exchange, "", null, msg.getBytes()); |
| // channel.basicPublish("", queueName, null, msg.getBytes()); |
| } |
| |
| public void teardown() throws IOException |
| { |
| channel.close(); |
| connection.close(); |
| } |
| |
| public void generateMessages(int msgCount) throws InterruptedException, IOException |
| { |
| for (int i = 0; i < msgCount; i++) { |
| |
| ArrayList<HashMap<String, Integer>> dataMaps = MessageQueueTestHelper.getMessages(); |
| for(int j =0; j < dataMaps.size(); j++) |
| { |
| process(dataMaps.get(j)); |
| } |
| } |
| } |
| |
| } |
| |
| @Test |
| public void testDag() throws Exception |
| { |
| final int testNum = 3; |
| runTest(testNum); |
| logger.debug("end of test"); |
| } |
| |
| protected void runTest(final int testNum) throws IOException |
| { |
| LocalMode lma = LocalMode.newInstance(); |
| DAG dag = lma.getDAG(); |
| RabbitMQInputOperator consumer = dag.addOperator("Consumer", RabbitMQInputOperator.class); |
| final CollectorModule<byte[]> collector = dag.addOperator("Collector", new CollectorModule<byte[]>()); |
| |
| consumer.setHost("localhost"); |
| consumer.setExchange("testEx"); |
| consumer.setExchangeType("fanout"); |
| |
| final RabbitMQMessageGenerator publisher = new RabbitMQMessageGenerator(); |
| publisher.setup(); |
| |
| dag.addStream("Stream", consumer.outputPort, collector.inputPort).setLocality(Locality.CONTAINER_LOCAL); |
| |
| final LocalMode.Controller lc = lma.getController(); |
| lc.setHeartbeatMonitoringEnabled(false); |
| |
| new Thread("LocalClusterController") |
| { |
| @Override |
| public void run() |
| { |
| long startTms = System.currentTimeMillis(); |
| long timeout = 10000L; |
| try { |
| while (!collector.inputPort.collections.containsKey("collector") && System.currentTimeMillis() - startTms < timeout) { |
| Thread.sleep(500); |
| } |
| publisher.generateMessages(testNum); |
| startTms = System.currentTimeMillis(); |
| while (System.currentTimeMillis() - startTms < timeout) { |
| List<?> list = collector.inputPort.collections.get("collector"); |
| |
| if (list.size() < testNum * 3) { |
| Thread.sleep(10); |
| } |
| else { |
| break; |
| } |
| } |
| } |
| catch (IOException ex) { |
| logger.error(ex.getMessage(), ex); |
| DTThrowable.rethrow(ex); |
| } catch (InterruptedException ex) { |
| DTThrowable.rethrow(ex); |
| } finally { |
| lc.shutdown(); |
| } |
| } |
| |
| }.start(); |
| |
| lc.run(); |
| |
| logger.debug("collection size: {} {}", collector.inputPort.collections.size(), collector.inputPort.collections); |
| |
| MessageQueueTestHelper.validateResults(testNum, collector.inputPort.collections); |
| } |
| } |