Java tutorial
/* * SonarQube * Copyright (C) 2009-2017 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.application; import java.io.File; import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.nio.file.attribute.BasicFileAttributes; import javax.annotation.CheckForNull; import org.apache.commons.io.FileUtils; import org.junit.Before; import org.junit.Rule; import org.junit.Test; import org.junit.rules.ExpectedException; import org.junit.rules.TemporaryFolder; import org.sonar.application.config.TestAppSettings; import org.sonar.process.AllProcessesCommands; import org.sonar.process.ProcessProperties; import static org.assertj.core.api.Assertions.assertThat; import static org.sonar.process.ProcessCommands.MAX_PROCESSES; public class AppFileSystemTest { @Rule public TemporaryFolder temp = new TemporaryFolder(); @Rule public ExpectedException expectedException = ExpectedException.none(); private File homeDir; private File dataDir; private File tempDir; private File logsDir; private File webDir; private TestAppSettings settings = new TestAppSettings(); private AppFileSystem underTest = new AppFileSystem(settings); @Before public void before() throws IOException { homeDir = temp.newFolder(); dataDir = new File(homeDir, "data"); tempDir = new File(homeDir, "temp"); logsDir = new File(homeDir, "logs"); webDir = new File(homeDir, "web"); settings.getProps().set(ProcessProperties.PATH_HOME, homeDir.getAbsolutePath()); settings.getProps().set(ProcessProperties.PATH_DATA, dataDir.getAbsolutePath()); settings.getProps().set(ProcessProperties.PATH_TEMP, tempDir.getAbsolutePath()); settings.getProps().set(ProcessProperties.PATH_LOGS, logsDir.getAbsolutePath()); settings.getProps().set(ProcessProperties.PATH_WEB, webDir.getAbsolutePath()); } @Test public void reset_creates_dirs_if_they_don_t_exist() throws Exception { assertThat(dataDir).doesNotExist(); underTest.reset(); assertThat(dataDir).exists().isDirectory(); assertThat(logsDir).exists().isDirectory(); assertThat(tempDir).exists().isDirectory(); assertThat(webDir).exists().isDirectory(); underTest.reset(); assertThat(dataDir).exists().isDirectory(); assertThat(logsDir).exists().isDirectory(); assertThat(tempDir).exists().isDirectory(); assertThat(webDir).exists().isDirectory(); } @Test public void reset_deletes_content_of_temp_dir_but_not_temp_dir_itself_if_it_already_exists() throws Exception { assertThat(tempDir.mkdir()).isTrue(); Object tempDirKey = getFileKey(tempDir); File fileInTempDir = new File(tempDir, "someFile.txt"); assertThat(fileInTempDir.createNewFile()).isTrue(); File subDirInTempDir = new File(tempDir, "subDir"); assertThat(subDirInTempDir.mkdir()).isTrue(); underTest.reset(); assertThat(tempDir).exists(); assertThat(fileInTempDir).doesNotExist(); assertThat(subDirInTempDir).doesNotExist(); assertThat(getFileKey(tempDir)).isEqualTo(tempDirKey); } @Test public void reset_deletes_content_of_temp_dir_but_not_sharedmemory_file() throws Exception { assertThat(tempDir.mkdir()).isTrue(); File sharedmemory = new File(tempDir, "sharedmemory"); assertThat(sharedmemory.createNewFile()).isTrue(); FileUtils.write(sharedmemory, "toto"); Object fileKey = getFileKey(sharedmemory); Object tempDirKey = getFileKey(tempDir); File fileInTempDir = new File(tempDir, "someFile.txt"); assertThat(fileInTempDir.createNewFile()).isTrue(); underTest.reset(); assertThat(tempDir).exists(); assertThat(fileInTempDir).doesNotExist(); assertThat(getFileKey(tempDir)).isEqualTo(tempDirKey); assertThat(getFileKey(sharedmemory)).isEqualTo(fileKey); // content of sharedMemory file is reset assertThat(FileUtils.readFileToString(sharedmemory)).isNotEqualTo("toto"); } @Test public void reset_cleans_the_sharedmemory_file() throws IOException { assertThat(tempDir.mkdir()).isTrue(); try (AllProcessesCommands commands = new AllProcessesCommands(tempDir)) { for (int i = 0; i < MAX_PROCESSES; i++) { commands.create(i).setUp(); } underTest.reset(); for (int i = 0; i < MAX_PROCESSES; i++) { assertThat(commands.create(i).isUp()).isFalse(); } } } @CheckForNull private static Object getFileKey(File fileInTempDir) throws IOException { Path path = Paths.get(fileInTempDir.toURI()); BasicFileAttributes attrs = Files.readAttributes(path, BasicFileAttributes.class); return attrs.fileKey(); } @Test public void reset_throws_ISE_if_data_dir_is_a_file() throws Exception { resetThrowsISEIfDirIsAFile(ProcessProperties.PATH_DATA); } @Test public void reset_throws_ISE_if_web_dir_is_a_file() throws Exception { resetThrowsISEIfDirIsAFile(ProcessProperties.PATH_WEB); } @Test public void reset_throws_ISE_if_logs_dir_is_a_file() throws Exception { resetThrowsISEIfDirIsAFile(ProcessProperties.PATH_LOGS); } @Test public void reset_throws_ISE_if_temp_dir_is_a_file() throws Exception { resetThrowsISEIfDirIsAFile(ProcessProperties.PATH_TEMP); } private void resetThrowsISEIfDirIsAFile(String property) throws IOException { File file = new File(homeDir, "zoom.store"); assertThat(file.createNewFile()).isTrue(); settings.getProps().set(property, file.getAbsolutePath()); expectedException.expect(IllegalStateException.class); expectedException.expectMessage( "Property '" + property + "' is not valid, not a directory: " + file.getAbsolutePath()); underTest.reset(); } @Test public void fail_if_required_directory_is_a_file() throws Exception { // <home>/data is missing FileUtils.forceMkdir(webDir); FileUtils.forceMkdir(logsDir); FileUtils.touch(dataDir); expectedException.expect(IllegalStateException.class); expectedException.expectMessage( "Property 'sonar.path.data' is not valid, not a directory: " + dataDir.getAbsolutePath()); underTest.reset(); } }