| /* |
| * 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.commons.io; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertFalse; |
| import static org.junit.jupiter.api.Assertions.assertThrows; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| |
| import java.io.IOException; |
| import java.nio.charset.Charset; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.attribute.PosixFilePermission; |
| import java.util.Set; |
| |
| import org.apache.commons.io.file.AbstractTempDirTest; |
| import org.apache.commons.io.file.PathUtils; |
| import org.apache.commons.io.file.StandardDeleteOption; |
| import org.apache.commons.io.function.IOConsumer; |
| import org.junit.jupiter.api.Test; |
| import org.junit.jupiter.api.condition.DisabledOnOs; |
| import org.junit.jupiter.api.condition.OS; |
| |
| /** |
| * Tests <a href="https://issues.apache.org/jira/browse/IO-751">IO-751</a>. |
| * <p> |
| * Must be run on a POSIX file system, macOS or Linux, disabled on Windows. |
| * </p> |
| */ |
| @DisabledOnOs(OS.WINDOWS) |
| public class DeleteDirectoryTest extends AbstractTempDirTest { |
| |
| private void testDeleteDirectory(final IOConsumer<Path> deleter) throws IOException { |
| // Create a test file |
| final String contents = "Hello!"; |
| final Path file = tempDirPath.resolve("file.txt"); |
| final Charset charset = StandardCharsets.UTF_8; |
| PathUtils.writeString(file, contents, charset); |
| final Set<PosixFilePermission> permissions = Files.getPosixFilePermissions(file); |
| // Sanity check: Owner has write permission on the new file |
| assertTrue(permissions.contains(PosixFilePermission.OWNER_WRITE), permissions::toString); |
| |
| // Create a test directory |
| final Path testDir = tempDirPath.resolve("dir"); |
| Files.createDirectory(testDir); |
| |
| // Inside the test directory, create a symlink to the test file |
| final Path symLink = testDir.resolve("symlink.txt"); |
| Files.createSymbolicLink(symLink, file); |
| // Sanity check: The symlink really points to the test file |
| assertEquals(contents, PathUtils.readString(symLink, charset)); |
| |
| // Delete the test directory using the given implementation |
| deleter.accept(testDir); |
| // Symlink is gone -- passes |
| assertFalse(Files.exists(symLink), symLink::toString); |
| // The test file still exists -- passes |
| assertTrue(Files.exists(file), file::toString); |
| // The permissions of the test file should still be the same |
| assertEquals(permissions, Files.getPosixFilePermissions(file), file::toString); |
| } |
| |
| @Test |
| public void testDeleteDirectoryWithFileUtils() throws IOException { |
| testDeleteDirectory(dir -> FileUtils.deleteDirectory(dir.toFile())); |
| } |
| |
| @Test |
| public void testDeleteDirectoryWithPathUtils() throws IOException { |
| testDeleteDirectory(PathUtils::deleteDirectory); |
| } |
| |
| @Test |
| public void testDeleteDirectoryWithPathUtilsOverrideReadOnly() throws IOException { |
| testDeleteDirectory(dir -> PathUtils.deleteDirectory(dir, StandardDeleteOption.OVERRIDE_READ_ONLY)); |
| } |
| |
| @Test |
| @DisabledOnOs(OS.LINUX) // TODO |
| public void testDeleteFileCheckParentAccess() throws IOException { |
| // Create a test directory |
| final Path testDir = tempDirPath.resolve("dir"); |
| Files.createDirectory(testDir); |
| |
| // Create a test file |
| final Path file = testDir.resolve("file.txt"); |
| final Charset charset = StandardCharsets.UTF_8; |
| PathUtils.writeString(file, "Hello!", charset); |
| |
| // A file is RO in POSIX if the parent is not W and not E. |
| PathUtils.setReadOnly(file, true); |
| final Set<PosixFilePermission> permissions = Files.getPosixFilePermissions(testDir); |
| assertFalse(Files.isWritable(testDir), |
| () -> String.format("Parent directory '%s' of '%s' should NOT be Writable, permissions are %s ", testDir, file, permissions)); |
| assertFalse(Files.isExecutable(testDir), |
| () -> String.format("Parent directory '%s' of '%s' should NOT be Executable, permissions are %s ", testDir, file, permissions)); |
| |
| assertThrows(IOException.class, () -> PathUtils.delete(file)); |
| // Nothing happened, we're not even allowed to test attributes, so the file seems deleted, but it is not. |
| |
| PathUtils.delete(file, StandardDeleteOption.OVERRIDE_READ_ONLY); |
| |
| assertFalse(Files.exists(file)); |
| |
| assertEquals(permissions, Files.getPosixFilePermissions(testDir), testDir::toString); |
| assertFalse(Files.isWritable(testDir)); |
| assertFalse(Files.isExecutable(testDir)); |
| } |
| } |