Java tutorial
/* * SonarQube * Copyright (C) 2009-2018 SonarSource SA * mailto:info AT sonarsource DOT com * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 3 of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package org.sonar.api.utils.internal; import java.io.File; import org.apache.commons.io.FileUtils; import org.junit.Rule; import org.junit.Test; import org.junit.rules.ExpectedException; import org.junit.rules.TemporaryFolder; import org.sonar.api.utils.log.LogTester; import org.sonar.api.utils.log.LoggerLevel; import static org.assertj.core.api.Assertions.assertThat; public class DefaultTempFolderTest { @Rule public ExpectedException expectedException = ExpectedException.none(); @Rule public TemporaryFolder temp = new TemporaryFolder(); @Rule public LogTester logTester = new LogTester(); @Test public void createTempFolderAndFile() throws Exception { File rootTempFolder = temp.newFolder(); DefaultTempFolder underTest = new DefaultTempFolder(rootTempFolder); File dir = underTest.newDir(); assertThat(dir).exists().isDirectory(); File file = underTest.newFile(); assertThat(file).exists().isFile(); new TempFolderCleaner(underTest).stop(); assertThat(rootTempFolder).doesNotExist(); } @Test public void createTempFolderWithName() throws Exception { File rootTempFolder = temp.newFolder(); DefaultTempFolder underTest = new DefaultTempFolder(rootTempFolder); File dir = underTest.newDir("sample"); assertThat(dir).exists().isDirectory(); assertThat(new File(rootTempFolder, "sample")).isEqualTo(dir); new TempFolderCleaner(underTest).stop(); assertThat(rootTempFolder).doesNotExist(); } @Test public void newDir_throws_ISE_if_name_is_not_valid() throws Exception { File rootTempFolder = temp.newFolder(); DefaultTempFolder underTest = new DefaultTempFolder(rootTempFolder); String tooLong = "tooooolong"; for (int i = 0; i < 50; i++) { tooLong += "tooooolong"; } expectedException.expect(IllegalStateException.class); expectedException.expectMessage("Failed to create temp directory"); underTest.newDir(tooLong); } @Test public void newFile_throws_ISE_if_name_is_not_valid() throws Exception { File rootTempFolder = temp.newFolder(); DefaultTempFolder underTest = new DefaultTempFolder(rootTempFolder); String tooLong = "tooooolong"; for (int i = 0; i < 50; i++) { tooLong += "tooooolong"; } expectedException.expect(IllegalStateException.class); expectedException.expectMessage("Failed to create temp file"); underTest.newFile(tooLong, ".txt"); } @Test public void clean_deletes_non_empty_directory() throws Exception { File dir = temp.newFolder(); FileUtils.touch(new File(dir, "foo.txt")); DefaultTempFolder underTest = new DefaultTempFolder(dir); underTest.clean(); assertThat(dir).doesNotExist(); } @Test public void clean_does_not_fail_if_directory_has_already_been_deleted() throws Exception { File dir = temp.newFolder(); DefaultTempFolder underTest = new DefaultTempFolder(dir); underTest.clean(); assertThat(dir).doesNotExist(); // second call does not fail, nor log ERROR logs underTest.clean(); assertThat(logTester.logs(LoggerLevel.ERROR)).isEmpty(); } }