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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
   * "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.bridge.utils;
  
  import java.lang.reflect.Method;
  
  import org.junit.Assert;
  import org.junit.Test;
  
  import com.aliyun.odps.data.Record;
  import com.aliyun.odps.data.TableInfo;
  import com.aliyun.odps.mapred.Mapper;
  import com.aliyun.odps.mapred.example.WordCount;
  
  public class MapReduceUtilsTest {
  
    @Test
    public void testGetMethod() {
      Method m = MapReduceUtils.getOverriddenMethod(WordCount.TokenizerMapper.class, "map",
                                                    long.class, Record.class,
                                                    Mapper.TaskContext.class);
      Assert.assertNotNull(m);
    }
  
    class OverridenClass extends WordCount.TokenizerMapper {
  
    }
  
    @Test
    public void testGetOverriddenMethod() {
      Method m = MapReduceUtils.getOverriddenMethod(OverridenClass.class, "map", long.class,
                                                    Record.class, Mapper.TaskContext.class);
      Assert.assertNotNull(m);
    }
  
    class EmptyClass {
  
    }
  
    @Test
    public void testNonExistMethod() {
      Method m = MapReduceUtils.getOverriddenMethod(EmptyClass.class, "map", long.class,
                                                    Record.class, Mapper.TaskContext.class);
      Assert.assertNull(m);
    }
  
    @Test
    public void testParameterTypeNotMatch() {
      Method m = MapReduceUtils
          .getOverriddenMethod(EmptyClass.class, "map", long.class, Record.class);
      Assert.assertNull(m);
    }
  
    @Test
    public void testCompatibility() {
      Method m = MapReduceUtils.getOverriddenMethod(WordCount.TokenizerMapper.class, "map",
                                                    long.class, Record.class,
                                                    com.aliyun.odps.mapred.TaskContext.class);
      Assert.assertNotNull(m);
    }
  
    @Test
    public void testPartSpecInclusive() {
      Assert.assertTrue(MapReduceUtils.partSpecInclusive(
          TableInfo.builder().projectName("foo").tableName("bar").build(),
          TableInfo.builder().projectName("foo").tableName("bar").build()));
  
      Assert.assertTrue(MapReduceUtils.partSpecInclusive(
          TableInfo.builder().projectName("foo").tableName("bar").build(),
          TableInfo.builder().projectName("foo").tableName("bar").partSpec("foo=1").build()));
  
      Assert.assertTrue(MapReduceUtils.partSpecInclusive(
          TableInfo.builder().projectName("foo").tableName("bar").partSpec("foo=1").build(),
          TableInfo.builder().projectName("foo").tableName("bar").partSpec("foo=1/bar=2").build()));
  
      Assert.assertFalse(MapReduceUtils.partSpecInclusive(
          TableInfo.builder().projectName("foo").tableName("bar").partSpec("foo=1/bar=2").build(),
          TableInfo.builder().projectName("foo").tableName("bar").partSpec("foo=1").build()));
    }
  }
  