| /** |
| * 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.nativetask.handlers; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.io.BytesWritable; |
| import org.apache.hadoop.mapred.JobConf; |
| import org.apache.hadoop.mapred.nativetask.Command; |
| import org.apache.hadoop.mapred.nativetask.ICombineHandler; |
| import org.apache.hadoop.mapred.nativetask.INativeHandler; |
| import org.apache.hadoop.mapred.nativetask.TaskContext; |
| import org.apache.hadoop.mapred.nativetask.buffer.BufferType; |
| import org.apache.hadoop.mapred.nativetask.buffer.InputBuffer; |
| import org.apache.hadoop.mapred.nativetask.testutil.TestConstants; |
| import org.apache.hadoop.mapred.nativetask.util.OutputUtil; |
| import org.apache.hadoop.mapred.nativetask.util.ReadWriteBuffer; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Matchers; |
| import org.mockito.Mockito; |
| |
| @SuppressWarnings({ "rawtypes", "unchecked", "deprecation" }) |
| public class TestNativeCollectorOnlyHandler { |
| |
| private NativeCollectorOnlyHandler handler; |
| private INativeHandler nativeHandler; |
| private BufferPusher pusher; |
| private ICombineHandler combiner; |
| private TaskContext taskContext; |
| private static final String LOCAL_DIR = TestConstants.NATIVETASK_TEST_DIR + "/local"; |
| |
| @Before |
| public void setUp() throws IOException { |
| this.nativeHandler = Mockito.mock(INativeHandler.class); |
| this.pusher = Mockito.mock(BufferPusher.class); |
| this.combiner = Mockito.mock(ICombineHandler.class); |
| JobConf jobConf = new JobConf(); |
| jobConf.set(OutputUtil.NATIVE_TASK_OUTPUT_MANAGER, |
| "org.apache.hadoop.mapred.nativetask.util.LocalJobOutputFiles"); |
| jobConf.set("mapred.local.dir", LOCAL_DIR); |
| this.taskContext = new TaskContext(jobConf, |
| BytesWritable.class, BytesWritable.class, |
| BytesWritable.class, |
| BytesWritable.class, |
| null, |
| null); |
| |
| Mockito.when(nativeHandler.getInputBuffer()).thenReturn( |
| new InputBuffer(BufferType.HEAP_BUFFER, 100)); |
| } |
| |
| @After |
| public void tearDown() throws IOException { |
| FileSystem.getLocal(new Configuration()).delete(new Path(LOCAL_DIR)); |
| } |
| |
| @Test |
| public void testCollect() throws IOException { |
| this.handler = new NativeCollectorOnlyHandler(taskContext, nativeHandler, pusher, combiner); |
| handler.collect(new BytesWritable(), new BytesWritable(), 100); |
| handler.close(); |
| handler.close(); |
| |
| Mockito.verify(pusher, Mockito.times(1)).collect(Matchers.any(BytesWritable.class), |
| Matchers.any(BytesWritable.class), Matchers.anyInt()); |
| |
| Mockito.verify(pusher, Mockito.times(1)).close(); |
| Mockito.verify(combiner, Mockito.times(1)).close(); |
| Mockito.verify(nativeHandler, Mockito.times(1)).close(); |
| } |
| |
| @Test |
| public void testGetCombiner() throws IOException { |
| this.handler = new NativeCollectorOnlyHandler(taskContext, nativeHandler, pusher, combiner); |
| Mockito.when(combiner.getId()).thenReturn(100L); |
| final ReadWriteBuffer result = handler.onCall( |
| NativeCollectorOnlyHandler.GET_COMBINE_HANDLER, null); |
| Assert.assertEquals(100L, result.readLong()); |
| } |
| |
| @Test |
| public void testOnCall() throws IOException { |
| this.handler = new NativeCollectorOnlyHandler(taskContext, nativeHandler, pusher, combiner); |
| boolean thrown = false; |
| try { |
| handler.onCall(new Command(-1), null); |
| } catch(final IOException e) { |
| thrown = true; |
| } |
| Assert.assertTrue("exception thrown", thrown); |
| |
| final String expectedOutputPath = LOCAL_DIR + "/output/file.out"; |
| final String expectedOutputIndexPath = LOCAL_DIR + "/output/file.out.index"; |
| final String expectedSpillPath = LOCAL_DIR + "/output/spill0.out"; |
| |
| final String outputPath = handler.onCall( |
| NativeCollectorOnlyHandler.GET_OUTPUT_PATH, null).readString(); |
| Assert.assertEquals(expectedOutputPath, outputPath); |
| |
| final String outputIndexPath = handler.onCall( |
| NativeCollectorOnlyHandler.GET_OUTPUT_INDEX_PATH, null).readString(); |
| Assert.assertEquals(expectedOutputIndexPath, outputIndexPath); |
| |
| final String spillPath = handler.onCall( |
| NativeCollectorOnlyHandler.GET_SPILL_PATH, null).readString(); |
| Assert.assertEquals(expectedSpillPath, spillPath); |
| } |
| } |