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* 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
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
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package com.jstorm.example.unittests.window;
import backtype.storm.Config;
import backtype.storm.topology.TopologyBuilder;
import backtype.storm.tuple.Fields;
import com.jstorm.example.unittests.utils.JStormUnitTestRunner;
import org.junit.Test;
import java.util.HashMap;
import java.util.Map;
/**
* @author binyang.dby on 2016/7/11.
*
*/
public class RollingTopWordsTest
{
public final static int DEFAULT_COUNT = 5;
@Test
public void testRollingTopWords()
{
TopologyBuilder topologyBuilder = new TopologyBuilder();
topologyBuilder.setSpout("windowTestWordSpout", new WindowTestWordSpout(), 5);
topologyBuilder.setBolt("windowTestRollingCountBolt", new WindowTestRollingCountBolt(9, 3), 4)
.fieldsGrouping("windowTestWordSpout", new Fields("word")).addConfiguration(Config.TOPOLOGY_TICK_TUPLE_FREQ_SECS, 3);
topologyBuilder.setBolt("windowTestIntermediateRankingBolt", new WindowTestIntermediateRankingBolt(DEFAULT_COUNT), 4)
.fieldsGrouping("windowTestRollingCountBolt", new Fields("obj"));
topologyBuilder.setBolt("windowTestTotalRankingsBolt", new WindowTestTotalRankingsBolt(DEFAULT_COUNT))
.globalGrouping("windowTestIntermediateRankingBolt");
Map config = new HashMap();
config.put(Config.TOPOLOGY_NAME, "RollingTopWordsTest");
//I really don't know how to validate if the result is right since
//the tick time is not precise. It makes the output after passing
//a window is unpredictable.
//Now I just let it pass all the time.
//TODO:FIX ME: how to validate if the result is right?
JStormUnitTestRunner.submitTopology(topologyBuilder.createTopology(), config, 90, null);
}
}