| /** |
| * 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.hadoop.mapred.lib; |
| |
| import junit.framework.Assert; |
| |
| import org.apache.hadoop.mapred.JobConf; |
| import org.apache.hadoop.mapred.Reducer; |
| import org.junit.Test; |
| |
| public class TestChain { |
| @Test |
| public void testSetReducerWithReducerByValueAsTrue() throws Exception { |
| |
| JobConf jobConf = new JobConf(); |
| JobConf reducerConf = new JobConf(); |
| Chain.setReducer(jobConf, MyReducer.class, Object.class, Object.class, |
| Object.class, Object.class, true, reducerConf); |
| boolean reduceByValue = reducerConf.getBoolean("chain.reducer.byValue", |
| false); |
| Assert.assertEquals("It should set chain.reducer.byValue as true " |
| + "in reducerConf when we give value as true", true, reduceByValue); |
| } |
| |
| @Test |
| public void testSetReducerWithReducerByValueAsFalse() throws Exception { |
| |
| JobConf jobConf = new JobConf(); |
| JobConf reducerConf = new JobConf(); |
| Chain.setReducer(jobConf, MyReducer.class, Object.class, Object.class, |
| Object.class, Object.class, false, reducerConf); |
| boolean reduceByValue = reducerConf.getBoolean("chain.reducer.byValue", |
| true); |
| Assert.assertEquals("It should set chain.reducer.byValue as false " |
| + "in reducerConf when we give value as false", false, reduceByValue); |
| } |
| |
| interface MyReducer extends Reducer<Object, Object, Object, Object> { |
| |
| } |
| } |