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   * 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
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   * KIND, either express or implied.  See the License for the
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   * under the License.
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  package com.aliyun.odps.mapred.local;
  
  import java.io.IOException;
  
  import org.junit.Test;
  
  import com.aliyun.odps.OdpsException;
  import com.aliyun.odps.local.common.WareHouse;
  import com.aliyun.odps.mapred.JobClient;
  import com.aliyun.odps.mapred.MapperBase;
  import com.aliyun.odps.mapred.RunningJob;
  import com.aliyun.odps.mapred.conf.JobConf;
  import com.aliyun.odps.mapred.conf.SessionState;
  import com.aliyun.odps.mapred.local.utils.TestUtils;
  
  public class AllowNoInputPositive {
  
    public static class Mapper1 extends MapperBase {
  
      @Override
      public void setup(TaskContext context) throws IOException {
        System.err.println("Mapper1 running");
        context.getCounter("MyCounters", "EnterSetup").increment(1);
      }
    }
  
    public static void main(String[] args) throws OdpsException {
      JobConf job1 = new JobConf();
      job1.setMapperClass(Mapper1.class);
  
      job1.setNumReduceTasks(0);
  
      // job.setAllowNoInput(true); // new mr do not need this
  
      RunningJob rj = JobClient.runJob(job1);
      long counter = rj.getCounters().findCounter("MyCounters", "EnterSetup").getValue();
      int expect = job1.getInt("odps.stage.mapper.num", 1);
      if (counter != expect) {
        throw new RuntimeException("Incorrect counter, expect: " + expect + ", get: " + counter);
      }
    }
  
    @Test
    public void test() throws Exception {
      WareHouse wareHouse = WareHouse.getInstance();
      String project = TestUtils.odps_test_mrtask;
      TestUtils.setEnvironment(project);
      new AllowNoInputPositive().main(new String[0]);
    }
  }
  