Java tutorial
/* * 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.management.internal.cli.commands; import static org.assertj.core.api.Java6Assertions.assertThat; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import java.io.File; import java.io.FileWriter; import java.io.IOException; import java.nio.file.Path; import java.nio.file.Paths; import org.apache.commons.io.FileUtils; import org.junit.Rule; import org.junit.Test; import org.junit.experimental.categories.Category; import org.junit.rules.TemporaryFolder; import org.apache.geode.internal.util.IOUtils; import org.apache.geode.test.junit.categories.IntegrationTest; @Category(IntegrationTest.class) public class StartMemberUtilsTest { @Rule public TemporaryFolder temporaryFolder = new TemporaryFolder(); @Test public void workingDirDefaultsToMemberName() { String workingDir = StartMemberUtils.resolveWorkingDir(null, "server1"); assertThat(new File(workingDir)).exists(); assertThat(workingDir).endsWith("server1"); } @Test public void workingDirGetsCreatedIfNecessary() throws Exception { File workingDir = temporaryFolder.newFolder("foo"); FileUtils.deleteQuietly(workingDir); String workingDirString = workingDir.getAbsolutePath(); String resolvedWorkingDir = StartMemberUtils.resolveWorkingDir(workingDirString, "server1"); assertThat(new File(resolvedWorkingDir)).exists(); assertThat(workingDirString).endsWith("foo"); } @Test public void testWorkingDirWithRelativePath() throws Exception { Path relativePath = Paths.get("some").resolve("relative").resolve("path"); assertThat(relativePath.isAbsolute()).isFalse(); String resolvedWorkingDir = StartMemberUtils.resolveWorkingDir(relativePath.toString(), "server1"); assertThat(resolvedWorkingDir).isEqualTo(relativePath.toAbsolutePath().toString()); } @Test public void testReadPid() throws IOException { final int expectedPid = 12345; File folder = temporaryFolder.newFolder(); File pidFile = new File(folder, "my.pid"); assertTrue(pidFile.createNewFile()); pidFile.deleteOnExit(); writePid(pidFile, expectedPid); final int actualPid = StartMemberUtils.readPid(pidFile); assertEquals(expectedPid, actualPid); } private void writePid(final File pidFile, final int pid) throws IOException { final FileWriter fileWriter = new FileWriter(pidFile, false); fileWriter.write(String.valueOf(pid)); fileWriter.write("\n"); fileWriter.flush(); IOUtils.close(fileWriter); } }