| /** |
| * 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 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.Assert; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.apex.malhar.lib.wal.FSWindowDataManager; |
| |
| import com.datatorrent.contrib.helper.CollectorModule; |
| import com.datatorrent.contrib.helper.MessageQueueTestHelper; |
| import com.datatorrent.api.Context.OperatorContext; |
| import com.datatorrent.api.Attribute; |
| import com.datatorrent.api.DAG; |
| import com.datatorrent.api.DAG.Locality; |
| import com.datatorrent.api.LocalMode; |
| import com.datatorrent.lib.testbench.CollectorTestSink; |
| import com.datatorrent.netlet.util.DTThrowable; |
| |
| import static com.datatorrent.lib.helper.OperatorContextTestHelper.mockOperatorContext; |
| |
| /** |
| * |
| */ |
| 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"); |
| } |
| |
| public void setQueueName(String queueName) |
| { |
| this.queueName = queueName; |
| } |
| |
| public void process(Object message) throws IOException |
| { |
| String msg = message.toString(); |
| channel.basicPublish(exchange, "", 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); |
| consumer.setWindowDataManager(new FSWindowDataManager()); |
| |
| 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 = 100000L; |
| 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); |
| } |
| |
| @Test |
| public void testRecoveryAndIdempotency() throws Exception |
| { |
| RabbitMQInputOperator operator = new RabbitMQInputOperator(); |
| operator.setWindowDataManager(new FSWindowDataManager()); |
| operator.setHost("localhost"); |
| operator.setExchange("testEx"); |
| operator.setExchangeType("fanout"); |
| |
| Attribute.AttributeMap attributeMap = new Attribute.AttributeMap.DefaultAttributeMap(); |
| CollectorTestSink<Object> sink = new CollectorTestSink<Object>(); |
| |
| operator.outputPort.setSink(sink); |
| OperatorContext context = mockOperatorContext(1, attributeMap); |
| |
| operator.setup(context); |
| operator.activate(context); |
| |
| final RabbitMQMessageGenerator publisher = new RabbitMQMessageGenerator(); |
| publisher.setup(); |
| publisher.generateMessages(5); |
| |
| Thread.sleep(10000); |
| |
| operator.beginWindow(1); |
| operator.emitTuples(); |
| operator.endWindow(); |
| |
| operator.deactivate(); |
| Assert.assertEquals("num of messages in window 1", 15, sink.collectedTuples.size()); |
| |
| // failure and then re-deployment of operator |
| sink.collectedTuples.clear(); |
| operator.setup(context); |
| operator.activate(context); |
| |
| Assert.assertEquals("largest recovery window", 1, operator.getWindowDataManager().getLargestCompletedWindow()); |
| operator.beginWindow(1); |
| operator.endWindow(); |
| Assert.assertEquals("num of messages in window 1", 15, sink.collectedTuples.size()); |
| sink.collectedTuples.clear(); |
| |
| operator.deactivate(); |
| operator.teardown(); |
| operator.getWindowDataManager().committed(1); |
| publisher.teardown(); |
| } |
| } |