| /** |
| * 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.pipes; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import org.apache.hadoop.io.FloatWritable; |
| import org.apache.hadoop.io.NullWritable; |
| import org.apache.hadoop.mapred.InputSplit; |
| import org.apache.hadoop.mapred.JobConf; |
| import org.apache.hadoop.mapred.RecordReader; |
| import org.apache.hadoop.mapred.Reporter; |
| import org.apache.hadoop.mapred.pipes.TestPipeApplication.FakeSplit; |
| import org.apache.hadoop.util.StringUtils; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import static org.junit.Assert.*; |
| import static org.mockito.Mockito.*; |
| |
| |
| public class TestPipesNonJavaInputFormat { |
| private static File workSpace = new File("target", |
| TestPipesNonJavaInputFormat.class.getName() + "-workSpace"); |
| |
| /** |
| * test PipesNonJavaInputFormat |
| */ |
| |
| @Test |
| public void testFormat() throws IOException { |
| |
| PipesNonJavaInputFormat inputFormat = new PipesNonJavaInputFormat(); |
| JobConf conf = new JobConf(); |
| |
| Reporter reporter= mock(Reporter.class); |
| RecordReader<FloatWritable, NullWritable> reader = inputFormat |
| .getRecordReader(new FakeSplit(), conf, reporter); |
| assertEquals(0.0f, reader.getProgress(), 0.001); |
| |
| // input and output files |
| File input1 = new File(workSpace + File.separator + "input1"); |
| if (!input1.getParentFile().exists()) { |
| Assert.assertTrue(input1.getParentFile().mkdirs()); |
| } |
| |
| if (!input1.exists()) { |
| Assert.assertTrue(input1.createNewFile()); |
| } |
| |
| File input2 = new File(workSpace + File.separator + "input2"); |
| if (!input2.exists()) { |
| Assert.assertTrue(input2.createNewFile()); |
| } |
| // set data for splits |
| conf.set(org.apache.hadoop.mapreduce.lib.input.FileInputFormat.INPUT_DIR, |
| StringUtils.escapeString(input1.getAbsolutePath()) + "," |
| + StringUtils.escapeString(input2.getAbsolutePath())); |
| InputSplit[] splits = inputFormat.getSplits(conf, 2); |
| assertEquals(2, splits.length); |
| |
| PipesNonJavaInputFormat.PipesDummyRecordReader dummyRecordReader = new PipesNonJavaInputFormat.PipesDummyRecordReader( |
| conf, splits[0]); |
| // empty dummyRecordReader |
| assertNull(dummyRecordReader.createKey()); |
| assertNull(dummyRecordReader.createValue()); |
| assertEquals(0, dummyRecordReader.getPos()); |
| assertEquals(0.0, dummyRecordReader.getProgress(), 0.001); |
| // test method next |
| assertTrue(dummyRecordReader.next(new FloatWritable(2.0f), NullWritable.get())); |
| assertEquals(2.0, dummyRecordReader.getProgress(), 0.001); |
| dummyRecordReader.close(); |
| } |
| |
| } |