| /** |
| * 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.kinesis; |
| |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.hadoop.conf.Configuration; |
| |
| import com.datatorrent.api.*; |
| import com.datatorrent.api.DAG.Locality; |
| |
| /** |
| * |
| */ |
| @SuppressWarnings("rawtypes") |
| public abstract class KinesisOutputOperatorTest< O extends AbstractKinesisOutputOperator, G extends Operator > extends KinesisOperatorTestBase |
| { |
| private static final Logger logger = LoggerFactory.getLogger(KinesisOutputOperatorTest.class); |
| //protected static int tupleCount = 0; |
| protected static final int maxTuple = 20; |
| protected CountDownLatch doneLatch; |
| |
| private boolean enableConsumer = true; |
| private Thread listenerThread; |
| @Before |
| public void beforeTest() |
| { |
| shardCount = 1; |
| super.beforeTest(); |
| } |
| |
| |
| /** |
| * Test AbstractKinesisOutputOperator (i.e. an output adapter for Kinesis, aka producer). |
| * This module sends data into an ActiveMQ message bus. |
| * |
| * [Generate tuple] ==> [send tuple through Kinesis output adapter(i.e. producer) into Kinesis message bus] |
| * ==> [receive data in outside Kinesis listener (i.e consumer)] |
| * |
| * @throws Exception |
| */ |
| @Test |
| @SuppressWarnings({"unchecked"}) |
| public void testKinesisOutputOperator() throws Exception |
| { |
| // Setup a message listener to receive the message |
| KinesisTestConsumer listener = null; |
| if( enableConsumer ) |
| { |
| listener = createConsumerListener(streamName); |
| if( listener != null ) |
| { |
| //initialize the latch to synchronize the threads |
| doneLatch = new CountDownLatch(maxTuple); |
| listener.setDoneLatch(doneLatch); |
| listenerThread = new Thread(listener); |
| listenerThread.start(); |
| } |
| } |
| // Create DAG for testing. |
| LocalMode lma = LocalMode.newInstance(); |
| |
| StreamingApplication app = new StreamingApplication() { |
| @Override |
| public void populateDAG(DAG dag, Configuration conf) |
| { |
| } |
| }; |
| |
| DAG dag = lma.getDAG(); |
| |
| // Create ActiveMQStringSinglePortOutputOperator |
| G generator = addGenerateOperator( dag ); |
| |
| O node = addTestingOperator( dag ); |
| configureTestingOperator( node ); |
| |
| // Connect ports |
| dag.addStream("Kinesis message", getOutputPortOfGenerator( generator ), node.inputPort).setLocality(Locality.CONTAINER_LOCAL); |
| |
| Configuration conf = new Configuration(false); |
| lma.prepareDAG(app, conf); |
| |
| // Create local cluster |
| final LocalMode.Controller lc = lma.getController(); |
| lc.runAsync(); |
| |
| int waitTime = 300000; |
| if( doneLatch != null ) |
| doneLatch.await(waitTime, TimeUnit.MILLISECONDS); |
| else |
| { |
| try |
| { |
| Thread.sleep(waitTime); |
| } |
| catch( Exception e ){} |
| } |
| |
| if( listener != null ) |
| listener.setIsAlive(false); |
| |
| if( listenerThread != null ) |
| listenerThread.join( 1000 ); |
| |
| lc.shutdown(); |
| |
| // Check values send vs received |
| if( listener != null ) |
| { |
| Assert.assertEquals("Number of emitted tuples", maxTuple, listener.holdingBuffer.size()); |
| logger.debug(String.format("Number of emitted tuples: %d", listener.holdingBuffer.size())); |
| } |
| if( listener != null ) |
| listener.close(); |
| } |
| |
| protected KinesisTestConsumer createConsumerListener( String streamName ) |
| { |
| KinesisTestConsumer listener = new KinesisTestConsumer(streamName); |
| |
| return listener; |
| } |
| |
| protected void configureTestingOperator( O node ) |
| { |
| node.setAccessKey(credentials.getCredentials().getAWSAccessKeyId()); |
| node.setSecretKey(credentials.getCredentials().getAWSSecretKey()); |
| node.setBatchSize(500); |
| node.setStreamName(streamName); |
| } |
| |
| protected abstract G addGenerateOperator( DAG dag ); |
| protected abstract DefaultOutputPort getOutputPortOfGenerator( G generator ); |
| protected abstract O addTestingOperator( DAG dag ); |
| |
| } |