| /* |
| * 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.internal.process.ProcessUtils.identifyPid; |
| import static org.apache.geode.test.dunit.Host.getHost; |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.assertj.core.api.Assertions.assertThatThrownBy; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import org.apache.geode.internal.process.io.IntegerFileReader; |
| import org.apache.geode.test.dunit.DistributedTestCase; |
| import org.apache.geode.test.dunit.VM; |
| import org.apache.geode.test.junit.rules.serializable.SerializableTemporaryFolder; |
| import org.apache.geode.test.junit.rules.serializable.SerializableTestName; |
| |
| /** |
| * Two-process functional tests for {@link LocalProcessLauncher}. |
| * |
| * @since GemFire 7.0 |
| */ |
| |
| public class LocalProcessLauncherDistributedTest extends DistributedTestCase { |
| |
| private int pid; |
| private File pidFile; |
| private VM otherVM; |
| |
| @Rule |
| public SerializableTemporaryFolder temporaryFolder = new SerializableTemporaryFolder(); |
| |
| @Rule |
| public SerializableTestName testName = new SerializableTestName(); |
| |
| @Before |
| public void before() throws Exception { |
| pid = identifyPid(); |
| pidFile = new File(temporaryFolder.getRoot(), testName.getMethodName() + ".pid"); |
| otherVM = getHost(0).getVM(0); |
| } |
| |
| @Test |
| public void existingPidFileThrowsFileAlreadyExistsException() throws Exception { |
| // arrange |
| otherVM.invoke(this::createPidFile); |
| int firstPid = new IntegerFileReader(pidFile).readFromFile(); |
| |
| // act/assert |
| assertThatThrownBy(() -> new LocalProcessLauncher(pidFile, false)) |
| .isInstanceOf(FileAlreadyExistsException.class); |
| assertThat(new IntegerFileReader(pidFile).readFromFile()).isEqualTo(firstPid); |
| } |
| |
| @Test |
| public void forceReplacesExistingPidFile() throws Exception { |
| // arrange |
| otherVM.invoke(this::createPidFile); |
| int firstPid = new IntegerFileReader(pidFile).readFromFile(); |
| |
| // act |
| new LocalProcessLauncher(pidFile, true); |
| |
| // assert |
| int secondPid = new IntegerFileReader(pidFile).readFromFile(); |
| assertThat(secondPid).isNotEqualTo(firstPid).isEqualTo(pid); |
| } |
| |
| private void createPidFile() |
| throws FileAlreadyExistsException, IOException, PidUnavailableException { |
| new LocalProcessLauncher(pidFile, false); |
| } |
| } |