| /** |
| * 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.activemq; |
| |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import junit.framework.TestCase; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Enforces a test case to run for only an allotted time to prevent them from |
| * hanging and breaking the whole testing. |
| * |
| * |
| */ |
| |
| public abstract class AutoFailTestSupport extends TestCase { |
| public static final int EXIT_SUCCESS = 0; |
| public static final int EXIT_ERROR = 1; |
| private static final Logger LOG = LoggerFactory.getLogger(AutoFailTestSupport.class); |
| |
| private long maxTestTime = 5 * 60 * 1000; // 5 mins by default |
| private Thread autoFailThread; |
| |
| private boolean verbose = true; |
| private boolean useAutoFail; // Disable auto fail by default |
| private AtomicBoolean isTestSuccess; |
| |
| protected void setUp() throws Exception { |
| // Runs the auto fail thread before performing any setup |
| if (isAutoFail()) { |
| startAutoFailThread(); |
| } |
| super.setUp(); |
| } |
| |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| |
| // Stops the auto fail thread only after performing any clean up |
| stopAutoFailThread(); |
| } |
| |
| /** |
| * Manually start the auto fail thread. To start it automatically, just set |
| * the auto fail to true before calling any setup methods. As a rule, this |
| * method is used only when you are not sure, if the setUp and tearDown |
| * method is propagated correctly. |
| */ |
| public void startAutoFailThread() { |
| setAutoFail(true); |
| isTestSuccess = new AtomicBoolean(false); |
| autoFailThread = new Thread(new Runnable() { |
| public void run() { |
| try { |
| // Wait for test to finish succesfully |
| Thread.sleep(getMaxTestTime()); |
| } catch (InterruptedException e) { |
| // This usually means the test was successful |
| } finally { |
| // Check if the test was able to tear down succesfully, |
| // which usually means, it has finished its run. |
| if (!isTestSuccess.get()) { |
| LOG.error("Test case has exceeded the maximum allotted time to run of: " + getMaxTestTime() + " ms."); |
| dumpAllThreads(getName()); |
| System.exit(EXIT_ERROR); |
| } |
| } |
| } |
| }, "AutoFailThread"); |
| |
| if (verbose) { |
| LOG.info("Starting auto fail thread..."); |
| } |
| |
| LOG.info("Starting auto fail thread..."); |
| autoFailThread.start(); |
| } |
| |
| /** |
| * Manually stops the auto fail thread. As a rule, this method is used only |
| * when you are not sure, if the setUp and tearDown method is propagated |
| * correctly. |
| */ |
| public void stopAutoFailThread() { |
| if (isAutoFail() && autoFailThread != null && autoFailThread.isAlive()) { |
| isTestSuccess.set(true); |
| |
| if (verbose) { |
| LOG.info("Stopping auto fail thread..."); |
| } |
| |
| LOG.info("Stopping auto fail thread..."); |
| autoFailThread.interrupt(); |
| } |
| } |
| |
| /** |
| * Sets the auto fail value. As a rule, this should be used only before any |
| * setup methods is called to automatically enable the auto fail thread in |
| * the setup method of the test case. |
| * |
| * @param val |
| */ |
| public void setAutoFail(boolean val) { |
| this.useAutoFail = val; |
| } |
| |
| public boolean isAutoFail() { |
| return this.useAutoFail; |
| } |
| |
| /** |
| * The assigned value will only be reflected when the auto fail thread has |
| * started its run. Value is in milliseconds. |
| * |
| * @param val |
| */ |
| public void setMaxTestTime(long val) { |
| this.maxTestTime = val; |
| } |
| |
| public long getMaxTestTime() { |
| return this.maxTestTime; |
| } |
| |
| |
| public static void dumpAllThreads(String prefix) { |
| Map<Thread, StackTraceElement[]> stacks = Thread.getAllStackTraces(); |
| for (Entry<Thread, StackTraceElement[]> stackEntry : stacks.entrySet()) { |
| System.err.println(prefix + " " + stackEntry.getKey()); |
| for(StackTraceElement element : stackEntry.getValue()) { |
| System.err.println(" " + element); |
| } |
| } |
| } |
| } |