MapReduceUtilsTest.java

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 * distributed with this work for additional information
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 * 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.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()));
  }
}