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 com.aliyun.odps.mapred.local.bugfix;
  
  import java.io.IOException;
  import java.text.DateFormat;
  import java.text.SimpleDateFormat;
  import java.util.Date;
  import java.util.Iterator;
  import java.util.LinkedList;
  import java.util.List;
  
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  
  import com.aliyun.odps.data.Record;
  import com.aliyun.odps.data.TableInfo;
  import com.aliyun.odps.local.common.Constants;
  import com.aliyun.odps.mapred.JobClient;
  import com.aliyun.odps.mapred.MapperBase;
  import com.aliyun.odps.mapred.ReducerBase;
  import com.aliyun.odps.mapred.conf.JobConf;
  import com.aliyun.odps.mapred.local.utils.TestUtils;
  import com.aliyun.odps.mapred.utils.InputUtils;
  import com.aliyun.odps.mapred.utils.SchemaUtils;
  
  public class DateTimeTest1 {
    
    public static DateFormat getDateFormat(String formateStr) {
      SimpleDateFormat dateFormat = new SimpleDateFormat(formateStr);
      return dateFormat;
    }
  
    @Before
    public void setUp() throws Exception {
      TestUtils.setEnvironment(TestUtils.odps_test_mrtask);
    }
  
    public static class TokenizerMapper extends MapperBase {
  
      Record key;
      Record val;
  
      List<Date> result;
  
      @Override
      public void setup(TaskContext context) throws IOException {
        key = context.createMapOutputKeyRecord();
        val = context.createMapOutputValueRecord();
        result = new LinkedList<Date>();
      }
  
      @Override
      public void map(long recordNum, Record record, TaskContext context) throws IOException {
        key.setString(0, record.getString(0));
        val.setDatetime(0, record.getDatetime(1));
        context.write(key, val);
  
        result.add(new Date(record.getDatetime(1).getTime()));
  
      }
  
      @Override
      public void cleanup(TaskContext context) throws IOException {
        int i = 0;
        Assert.assertEquals("2014-11-17 11:22:42 891",
            DateTimeTest1.getDateFormat(Constants.DATE_FORMAT_2).format(result.get(i++)));
        Assert.assertEquals("2013-01-17 11:22:42 895",
            DateTimeTest1.getDateFormat(Constants.DATE_FORMAT_2).format(result.get(i++)));
        Assert.assertEquals("2011-11-17 11:22:42 895",
            DateTimeTest1.getDateFormat(Constants.DATE_FORMAT_2).format(result.get(i++)));
        Assert.assertEquals("2012-02-17 11:22:42 895",
            DateTimeTest1.getDateFormat(Constants.DATE_FORMAT_2).format(result.get(i++)));
        Assert.assertEquals("2014-10-17 11:22:42 896",
            DateTimeTest1.getDateFormat(Constants.DATE_FORMAT_2).format(result.get(i++)));
      }
    }
  
    /**
     * A reducer class that just emits the sum of the input values.
     */
    public static class SumReducer extends ReducerBase {
  
      List<Date> result;
  
      @Override
      public void setup(TaskContext context) throws IOException {
        result = new LinkedList<Date>();
      }
  
      @Override
      public void cleanup(TaskContext context) throws IOException {
        int i = 0;
        Assert.assertEquals("2014-11-17 11:22:42 891",
            DateTimeTest1.getDateFormat(Constants.DATE_FORMAT_2).format(result.get(i++)));
        Assert.assertEquals("2013-01-17 11:22:42 895",
            DateTimeTest1.getDateFormat(Constants.DATE_FORMAT_2).format(result.get(i++)));
        Assert.assertEquals("2011-11-17 11:22:42 895",
            DateTimeTest1.getDateFormat(Constants.DATE_FORMAT_2).format(result.get(i++)));
        Assert.assertEquals("2012-02-17 11:22:42 895",
            DateTimeTest1.getDateFormat(Constants.DATE_FORMAT_2).format(result.get(i++)));
        Assert.assertEquals("2014-10-17 11:22:42 896",
            DateTimeTest1.getDateFormat(Constants.DATE_FORMAT_2).format(result.get(i++)));
  
      }
  
      @Override
      public void reduce(Record key, Iterator<Record> values, TaskContext context) throws IOException {
        while (values.hasNext()) {
          result.add(new Date(values.next().getDatetime(0).getTime()));
        }
  
      }
    }
  
    @Test
    public void test() throws Exception {
      String[] args = new String[1];
      args[0] = "datetime_in";
  
  
      JobConf job = new JobConf();
      job.setMapperClass(TokenizerMapper.class);
      job.setReducerClass(SumReducer.class);
  
      job.setMapOutputKeySchema(SchemaUtils.fromString("key:string"));
      job.setMapOutputValueSchema(SchemaUtils.fromString("val:datetime"));
  
      InputUtils.addTable(TableInfo.builder().tableName(args[0]).build(), job);
  
      JobClient.runJob(job);
    }
  
  }
  