content: /**
   * 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 org.apache.apex.examples.mroperator;
  
  import java.io.File;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  
  import org.junit.Assert;
  import org.junit.Rule;
  import org.junit.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import org.apache.commons.io.FileUtils;
  import org.apache.hadoop.conf.Configuration;
  
  import com.google.common.collect.Maps;
  
  import com.datatorrent.api.LocalMode;
  
  public class WordCountMRApplicationTest
  {
    private static Logger LOG = LoggerFactory.getLogger(WordCountMRApplicationTest.class);
    @Rule
    public MapOperatorTest.TestMeta testMeta = new MapOperatorTest.TestMeta();
  
    @Test
    public void testSomeMethod() throws Exception
    {
      LocalMode lma = LocalMode.newInstance();
      Configuration conf = new Configuration(false);
      conf.set("dt.application.WordCountExample.operator.Mapper.dirName", testMeta.testDir);
      conf.setInt("dt.application.WordCountExample.operator.Mapper.partitionCount", 1);
      conf.set("dt.application.WordCountExample.operator.Console.filePath", testMeta.testDir);
      conf.set("dt.application.WordCountExample.operator.Console.outputFileName", "output.txt");
      lma.prepareDAG(new NewWordCountApplication(), conf);
      LocalMode.Controller lc = lma.getController();
      lc.setHeartbeatMonitoringEnabled(false);
      lc.run(5000);
      lc.shutdown();
      List<String> readLines = FileUtils.readLines(new File(testMeta.testDir + "/output.txt"));
      Map<String,Integer> readMap = Maps.newHashMap();
      Iterator<String> itr = readLines.iterator();
      while (itr.hasNext()) {
        String[] splits = itr.next().split("=");
        readMap.put(splits[0],Integer.valueOf(splits[1]));
      }
      Map<String,Integer> expectedMap = Maps.newHashMap();
      expectedMap.put("1",2);
      expectedMap.put("2",2);
      expectedMap.put("3",2);
      Assert.assertEquals("expected reduced data ", expectedMap, readMap);
      LOG.info("read lines {}", readLines);
    }
  
  }
  