| /** |
| * 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.yarn; |
| |
| import static org.junit.Assert.assertSame; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.verify; |
| |
| import org.apache.hadoop.util.ExitUtil; |
| import org.apache.hadoop.yarn.exceptions.YarnRuntimeException; |
| import org.junit.Test; |
| |
| public class TestYarnUncaughtExceptionHandler { |
| |
| private static final YarnUncaughtExceptionHandler exHandler = |
| new YarnUncaughtExceptionHandler(); |
| /** |
| * Throw {@code YarnRuntimeException} inside thread and |
| * check {@code YarnUncaughtExceptionHandler} instance |
| * |
| * @throws InterruptedException |
| */ |
| @Test |
| public void testUncaughtExceptionHandlerWithRuntimeException() |
| throws InterruptedException { |
| final YarnUncaughtExceptionHandler spyYarnHandler = spy(exHandler); |
| final YarnRuntimeException yarnException = new YarnRuntimeException( |
| "test-yarn-runtime-exception"); |
| final Thread yarnThread = new Thread(new Runnable() { |
| @Override |
| public void run() { |
| throw yarnException; |
| } |
| }); |
| |
| yarnThread.setUncaughtExceptionHandler(spyYarnHandler); |
| assertSame(spyYarnHandler, yarnThread.getUncaughtExceptionHandler()); |
| yarnThread.start(); |
| yarnThread.join(); |
| verify(spyYarnHandler).uncaughtException(yarnThread, yarnException); |
| } |
| |
| /** |
| * <p> |
| * Throw {@code Error} inside thread and |
| * check {@code YarnUncaughtExceptionHandler} instance |
| * <p> |
| * Used {@code ExitUtil} class to avoid jvm exit through |
| * {@code System.exit(-1) } |
| * |
| * @throws InterruptedException |
| */ |
| @Test |
| public void testUncaughtExceptionHandlerWithError() |
| throws InterruptedException { |
| ExitUtil.disableSystemExit(); |
| final YarnUncaughtExceptionHandler spyErrorHandler = spy(exHandler); |
| final java.lang.Error error = new java.lang.Error("test-error"); |
| final Thread errorThread = new Thread(new Runnable() { |
| @Override |
| public void run() { |
| throw error; |
| } |
| }); |
| errorThread.setUncaughtExceptionHandler(spyErrorHandler); |
| assertSame(spyErrorHandler, errorThread.getUncaughtExceptionHandler()); |
| errorThread.start(); |
| errorThread.join(); |
| verify(spyErrorHandler).uncaughtException(errorThread, error); |
| } |
| |
| /** |
| * <p> |
| * Throw {@code OutOfMemoryError} inside thread and |
| * check {@code YarnUncaughtExceptionHandler} instance |
| * <p> |
| * Used {@code ExitUtil} class to avoid jvm exit through |
| * {@code Runtime.getRuntime().halt(-1)} |
| * |
| * @throws InterruptedException |
| */ |
| @Test |
| public void testUncaughtExceptionHandlerWithOutOfMemoryError() |
| throws InterruptedException { |
| ExitUtil.disableSystemHalt(); |
| final YarnUncaughtExceptionHandler spyOomHandler = spy(exHandler); |
| final OutOfMemoryError oomError = new OutOfMemoryError("out-of-memory-error"); |
| final Thread oomThread = new Thread(new Runnable() { |
| @Override |
| public void run() { |
| throw oomError; |
| } |
| }); |
| oomThread.setUncaughtExceptionHandler(spyOomHandler); |
| assertSame(spyOomHandler, oomThread.getUncaughtExceptionHandler()); |
| oomThread.start(); |
| oomThread.join(); |
| verify(spyOomHandler).uncaughtException(oomThread, oomError); |
| } |
| } |