| /** |
| * 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.mapred.Task.CombinerRunner; |
| import org.apache.hadoop.mapred.nativetask.Command; |
| import org.apache.hadoop.mapred.nativetask.INativeHandler; |
| import org.apache.hadoop.mapred.nativetask.buffer.BufferType; |
| import org.apache.hadoop.mapred.nativetask.buffer.InputBuffer; |
| 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 TestCombineHandler { |
| |
| private CombinerHandler handler; |
| private INativeHandler nativeHandler; |
| private BufferPusher pusher; |
| private BufferPuller puller; |
| private CombinerRunner combinerRunner; |
| |
| @Before |
| public void setUp() throws IOException { |
| this.nativeHandler = Mockito.mock(INativeHandler.class); |
| this.pusher = Mockito.mock(BufferPusher.class); |
| this.puller = Mockito.mock(BufferPuller.class); |
| this.combinerRunner = Mockito.mock(CombinerRunner.class); |
| |
| Mockito.when(nativeHandler.getInputBuffer()).thenReturn( |
| new InputBuffer(BufferType.HEAP_BUFFER, 100)); |
| } |
| |
| @Test |
| public void testCommandDispatcherSetting() throws IOException { |
| this.handler = new CombinerHandler(nativeHandler, combinerRunner, puller, pusher); |
| Mockito.verify(nativeHandler, Mockito.times(1)).setCommandDispatcher(Matchers.eq(handler)); |
| Mockito.verify(nativeHandler, Mockito.times(1)).setDataReceiver(Matchers.eq(puller)); |
| } |
| |
| @Test |
| public void testCombine() throws IOException, InterruptedException, ClassNotFoundException { |
| this.handler = new CombinerHandler(nativeHandler, combinerRunner, puller, pusher); |
| Assert.assertEquals(null, handler.onCall(CombinerHandler.COMBINE, null)); |
| handler.close(); |
| handler.close(); |
| |
| Mockito.verify(combinerRunner, Mockito.times(1)) |
| .combine(Matchers.eq(puller), Matchers.eq(pusher)); |
| |
| Mockito.verify(pusher, Mockito.times(1)).close(); |
| Mockito.verify(puller, Mockito.times(1)).close(); |
| Mockito.verify(nativeHandler, Mockito.times(1)).close(); |
| } |
| |
| @Test |
| public void testOnCall() throws IOException { |
| this.handler = new CombinerHandler(nativeHandler, combinerRunner, puller, pusher); |
| Assert.assertEquals(null, handler.onCall(new Command(-1), null)); |
| } |
| } |