| /** |
| * 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 java.io.IOException; |
| import java.util.Map; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.mapred.InputFormat; |
| import org.apache.hadoop.mapred.JobConf; |
| import org.apache.hadoop.mapred.KeyValueTextInputFormat; |
| import org.apache.hadoop.mapred.Mapper; |
| import org.apache.hadoop.mapred.OutputCollector; |
| import org.apache.hadoop.mapred.Reporter; |
| import org.apache.hadoop.mapred.TextInputFormat; |
| |
| /** |
| * @see TestDelegatingInputFormat |
| */ |
| public class TestMultipleInputs extends TestCase { |
| |
| public void testAddInputPathWithFormat() { |
| final JobConf conf = new JobConf(); |
| MultipleInputs.addInputPath(conf, new Path("/foo"), TextInputFormat.class); |
| MultipleInputs.addInputPath(conf, new Path("/bar"), |
| KeyValueTextInputFormat.class); |
| final Map<Path, InputFormat> inputs = MultipleInputs |
| .getInputFormatMap(conf); |
| assertEquals(TextInputFormat.class, inputs.get(new Path("/foo")).getClass()); |
| assertEquals(KeyValueTextInputFormat.class, inputs.get(new Path("/bar")) |
| .getClass()); |
| } |
| |
| public void testAddInputPathWithMapper() { |
| final JobConf conf = new JobConf(); |
| MultipleInputs.addInputPath(conf, new Path("/foo"), TextInputFormat.class, |
| MapClass.class); |
| MultipleInputs.addInputPath(conf, new Path("/bar"), |
| KeyValueTextInputFormat.class, MapClass2.class); |
| final Map<Path, InputFormat> inputs = MultipleInputs |
| .getInputFormatMap(conf); |
| final Map<Path, Class<? extends Mapper>> maps = MultipleInputs |
| .getMapperTypeMap(conf); |
| |
| assertEquals(TextInputFormat.class, inputs.get(new Path("/foo")).getClass()); |
| assertEquals(KeyValueTextInputFormat.class, inputs.get(new Path("/bar")) |
| .getClass()); |
| assertEquals(MapClass.class, maps.get(new Path("/foo"))); |
| assertEquals(MapClass2.class, maps.get(new Path("/bar"))); |
| } |
| |
| static class MapClass implements Mapper<String, String, String, String> { |
| |
| public void map(String key, String value, |
| OutputCollector<String, String> output, Reporter reporter) |
| throws IOException { |
| } |
| |
| public void configure(JobConf job) { |
| } |
| |
| public void close() throws IOException { |
| } |
| } |
| |
| static class MapClass2 extends MapClass { |
| } |
| } |