[120] | 1 | /** |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
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| 3 | * or more contributor license agreements. See the NOTICE file |
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| 4 | * distributed with this work for additional information |
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| 5 | * regarding copyright ownership. The ASF licenses this file |
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| 6 | * to you under the Apache License, Version 2.0 (the |
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| 7 | * "License"); you may not use this file except in compliance |
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| 8 | * with the License. You may obtain a copy of the License at |
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| 9 | * |
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| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 11 | * |
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| 12 | * Unless required by applicable law or agreed to in writing, software |
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| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 15 | * See the License for the specific language governing permissions and |
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| 16 | * limitations under the License. |
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| 17 | */ |
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| 18 | package org.apache.hadoop.mapred.lib; |
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| 19 | |
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| 20 | import java.io.IOException; |
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| 21 | import java.util.Map; |
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| 22 | |
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| 23 | import junit.framework.TestCase; |
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| 24 | |
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| 25 | import org.apache.hadoop.fs.Path; |
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| 26 | import org.apache.hadoop.mapred.InputFormat; |
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| 27 | import org.apache.hadoop.mapred.JobConf; |
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| 28 | import org.apache.hadoop.mapred.KeyValueTextInputFormat; |
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| 29 | import org.apache.hadoop.mapred.Mapper; |
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| 30 | import org.apache.hadoop.mapred.OutputCollector; |
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| 31 | import org.apache.hadoop.mapred.Reporter; |
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| 32 | import org.apache.hadoop.mapred.TextInputFormat; |
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| 33 | |
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| 34 | /** |
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| 35 | * @see TestDelegatingInputFormat |
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| 36 | */ |
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| 37 | public class TestMultipleInputs extends TestCase { |
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| 38 | |
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| 39 | public void testAddInputPathWithFormat() { |
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| 40 | final JobConf conf = new JobConf(); |
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| 41 | MultipleInputs.addInputPath(conf, new Path("/foo"), TextInputFormat.class); |
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| 42 | MultipleInputs.addInputPath(conf, new Path("/bar"), |
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| 43 | KeyValueTextInputFormat.class); |
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| 44 | final Map<Path, InputFormat> inputs = MultipleInputs |
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| 45 | .getInputFormatMap(conf); |
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| 46 | assertEquals(TextInputFormat.class, inputs.get(new Path("/foo")).getClass()); |
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| 47 | assertEquals(KeyValueTextInputFormat.class, inputs.get(new Path("/bar")) |
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| 48 | .getClass()); |
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| 49 | } |
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| 50 | |
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| 51 | public void testAddInputPathWithMapper() { |
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| 52 | final JobConf conf = new JobConf(); |
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| 53 | MultipleInputs.addInputPath(conf, new Path("/foo"), TextInputFormat.class, |
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| 54 | MapClass.class); |
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| 55 | MultipleInputs.addInputPath(conf, new Path("/bar"), |
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| 56 | KeyValueTextInputFormat.class, MapClass2.class); |
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| 57 | final Map<Path, InputFormat> inputs = MultipleInputs |
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| 58 | .getInputFormatMap(conf); |
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| 59 | final Map<Path, Class<? extends Mapper>> maps = MultipleInputs |
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| 60 | .getMapperTypeMap(conf); |
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| 61 | |
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| 62 | assertEquals(TextInputFormat.class, inputs.get(new Path("/foo")).getClass()); |
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| 63 | assertEquals(KeyValueTextInputFormat.class, inputs.get(new Path("/bar")) |
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| 64 | .getClass()); |
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| 65 | assertEquals(MapClass.class, maps.get(new Path("/foo"))); |
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| 66 | assertEquals(MapClass2.class, maps.get(new Path("/bar"))); |
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| 67 | } |
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| 68 | |
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| 69 | static class MapClass implements Mapper<String, String, String, String> { |
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| 70 | |
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| 71 | public void map(String key, String value, |
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| 72 | OutputCollector<String, String> output, Reporter reporter) |
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| 73 | throws IOException { |
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| 74 | } |
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| 75 | |
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| 76 | public void configure(JobConf job) { |
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| 77 | } |
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| 78 | |
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| 79 | public void close() throws IOException { |
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| 80 | } |
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| 81 | } |
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| 82 | |
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| 83 | static class MapClass2 extends MapClass { |
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| 84 | } |
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| 85 | } |
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