| /* |
| * 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.geode.internal.process; |
| |
| import static org.apache.geode.test.awaitility.GeodeAwaitility.await; |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| |
| import org.apache.geode.internal.util.StopWatch; |
| |
| /** |
| * Functional integration tests for {@link NativeProcessUtils}. |
| */ |
| public class NativeProcessUtilsIntegrationTest { |
| |
| /** Max sleep timeout for {@link ProcessSleeps} */ |
| private static final int PROCESS_TIMEOUT_MILLIS = 10 * 60 * 1000; |
| |
| private static final String FILE_NAME = "pid.txt"; |
| |
| private NativeProcessUtils nativeProcessUtils; |
| private Process process; |
| private File pidFile; |
| private int pid; |
| |
| @Rule |
| public TemporaryFolder temporaryFolder = new TemporaryFolder(); |
| |
| @Before |
| public void before() throws Exception { |
| File directory = temporaryFolder.getRoot(); |
| |
| List<String> command = new ArrayList<>(); |
| command |
| .add(new File(new File(System.getProperty("java.home"), "bin"), "java").getCanonicalPath()); |
| command.add("-cp"); |
| command.add(System.getProperty("java.class.path")); |
| command.add(ProcessSleeps.class.getName()); |
| |
| process = new ProcessBuilder(command).directory(directory).start(); |
| assertThat(process.isAlive()).isTrue(); |
| |
| pidFile = new File(directory, FILE_NAME); |
| await().untilAsserted(() -> assertThat(pidFile).exists()); |
| |
| pid = new PidFile(pidFile).readPid(); |
| assertThat(pid).isGreaterThan(0); |
| |
| nativeProcessUtils = new NativeProcessUtils(); |
| } |
| |
| @After |
| public void after() throws Exception { |
| process.destroyForcibly(); |
| } |
| |
| @Test |
| public void killProcessKillsOtherProcess() throws Exception { |
| // act |
| nativeProcessUtils.killProcess(pid); |
| |
| // assert |
| await().untilAsserted(() -> assertThat(process.isAlive()).isFalse()); |
| } |
| |
| @Test |
| public void isProcessAliveReturnsTrueForLiveProcess() throws Exception { |
| // act/assert |
| assertThat(nativeProcessUtils.isProcessAlive(pid)).isTrue(); |
| } |
| |
| @Test |
| public void isProcessAliveReturnsFalseForDeadProcess() throws Exception { |
| // arrange |
| process.destroyForcibly(); |
| |
| // act/assert |
| await().untilAsserted(() -> assertThat(process.isAlive()).isFalse()); |
| assertThat(nativeProcessUtils.isProcessAlive(pid)).isFalse(); |
| } |
| |
| /** |
| * Class with main that uses LocalProcessLauncher to create a PidFile and then sleeps. |
| */ |
| protected static class ProcessSleeps { |
| public static void main(final String... args) throws Exception { |
| new LocalProcessLauncher(new File(FILE_NAME), false); |
| StopWatch stopWatch = new StopWatch(true); |
| while (stopWatch.elapsedTimeMillis() < PROCESS_TIMEOUT_MILLIS) { |
| Thread.sleep(1000); |
| } |
| } |
| } |
| } |