| /** |
| * 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.mapreduce; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.io.LongWritable; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.mapred.HadoopTestCase; |
| |
| /** |
| * Tests context api. |
| */ |
| public class TestTaskContext extends HadoopTestCase { |
| public TestTaskContext() throws IOException { |
| super(HadoopTestCase.CLUSTER_MR , HadoopTestCase.LOCAL_FS, 1, 1); |
| } |
| |
| static String myStatus = "my status"; |
| static class MyMapper extends Mapper<LongWritable, Text, LongWritable, Text> { |
| @Override |
| protected void setup(Context context) throws IOException { |
| context.setStatus(myStatus); |
| assertEquals(myStatus, context.getStatus()); |
| } |
| } |
| |
| /** |
| * Tests context.setStatus method. |
| * |
| * @throws IOException |
| * @throws InterruptedException |
| * @throws ClassNotFoundException |
| */ |
| public void testContextStatus() |
| throws IOException, InterruptedException, ClassNotFoundException { |
| int numMaps = 1; |
| Job job = MapReduceTestUtil.createJob(createJobConf(), new Path("in"), |
| new Path("out"), numMaps, 0); |
| job.setMapperClass(MyMapper.class); |
| job.waitForCompletion(true); |
| assertTrue("Job failed", job.isSuccessful()); |
| TaskReport[] reports = job.getTaskReports(TaskType.MAP); |
| assertEquals(numMaps, reports.length); |
| assertEquals(myStatus + " > sort", reports[0].getState()); |
| } |
| } |