mirror of https://github.com/apache/cloudstack.git
74 lines
2.6 KiB
Java
74 lines
2.6 KiB
Java
// Licensed to the Apache Software Foundation (ASF) under one
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// // or more contributor license agreements. See the NOTICE file
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// // distributed with this work for additional information
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// // regarding copyright ownership. The ASF licenses this file
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// // to you under the Apache License, Version 2.0 (the
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// // "License"); you may not use this file except in compliance
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// // with the License. You may obtain a copy of the License at
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// //
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// // http://www.apache.org/licenses/LICENSE-2.0
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// //
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// // Unless required by applicable law or agreed to in writing,
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// // software distributed under the License is distributed on an
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// // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// // KIND, either express or implied. See the License for the
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// // specific language governing permissions and limitations
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// // under the License.
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package com.cloud.utils;
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import java.io.File;
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import java.io.IOException;
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import javax.naming.ConfigurationException;
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import junit.framework.Assert;
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import org.apache.commons.io.FileUtils;
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import org.apache.commons.lang.SystemUtils;
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import org.junit.After;
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import org.junit.Assume;
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import org.junit.Before;
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import org.junit.Test;
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public class ProcessUtilTest {
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File pidFile;
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@Before
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public void setup() throws IOException {
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pidFile = File.createTempFile("test", ".pid");
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}
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@After
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public void cleanup() {
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FileUtils.deleteQuietly(pidFile);
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}
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@Test
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public void pidCheck() throws ConfigurationException, IOException {
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Assume.assumeTrue(SystemUtils.IS_OS_LINUX);
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FileUtils.writeStringToFile(pidFile, "123456\n");
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ProcessUtil.pidCheck(pidFile.getParent(), pidFile.getName());
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String pidStr = FileUtils.readFileToString(pidFile);
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Assert.assertFalse("pid can not be blank", pidStr.isEmpty());
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int pid = Integer.parseInt(pidStr.trim());
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int maxPid = Integer.parseInt(FileUtils.readFileToString(new File("/proc/sys/kernel/pid_max")).trim());
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Assert.assertTrue(pid <= maxPid);
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}
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@Test(expected = ConfigurationException.class)
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public void pidCheckBadPid() throws ConfigurationException, IOException {
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Assume.assumeTrue(SystemUtils.IS_OS_LINUX);
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FileUtils.writeStringToFile(pidFile, "intentionally not number");
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ProcessUtil.pidCheck(pidFile.getParent(), pidFile.getName());
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}
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@Test(expected = ConfigurationException.class)
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public void pidCheckEmptyPid() throws ConfigurationException, IOException {
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Assume.assumeTrue(SystemUtils.IS_OS_LINUX);
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FileUtils.writeStringToFile(pidFile, "intentionally not number");
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ProcessUtil.pidCheck(pidFile.getParent(), pidFile.getName());
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}
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}
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