1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * https://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.io.file;
19
20 import java.io.File;
21 import java.io.IOException;
22 import java.nio.file.FileSystems;
23 import java.nio.file.Files;
24 import java.nio.file.Path;
25
26 import org.junit.jupiter.api.BeforeEach;
27 import org.junit.jupiter.api.io.TempDir;
28
29 /**
30 * Provides services for test subclasses.
31 */
32 public abstract class AbstractTempDirTest {
33
34 protected static final String SUB_DIR = "subdir";
35 protected static final String SYMLINKED_DIR = "symlinked-dir";
36
37 /**
38 * Creates directory test fixtures in the given directory {@code rootDir}.
39 * <ol>
40 * <li>{@code rootDir/subdir}</li>
41 * <li>{@code rootDir/symlinked-dir} -> {@code rootDir/subdir}</li>
42 * </ol>
43 * @param rootDir Root for directory entries.
44 * @return Path for {@code tempDirPath/subdir}.
45 * @throws IOException if an I/O error occurs or the parent directory does not exist.
46 */
47 protected static Path createTempSymbolicLinkedRelativeDir(final Path rootDir) throws IOException {
48 final Path targetDir = rootDir.resolve(SUB_DIR);
49 final Path symlinkDir = rootDir.resolve(SYMLINKED_DIR);
50 Files.createDirectory(targetDir);
51 return Files.createSymbolicLink(symlinkDir, targetDir);
52 }
53
54 /**
55 * A temporary directory managed by JUnit.
56 */
57 @TempDir
58 public Path managedTempDirPath;
59
60 /**
61 * A File version of this test's Path object.
62 */
63 public File tempDirFile;
64
65 /**
66 * A temporary directory managed by each test so we can optionally fiddle with its permissions independently.
67 */
68 public Path tempDirPath;
69
70 @BeforeEach
71 public void beforeEachCreateTempDirs() throws IOException {
72 tempDirPath = Files.createTempDirectory(managedTempDirPath, getClass().getSimpleName());
73 tempDirFile = tempDirPath.toFile();
74 }
75
76 @SuppressWarnings("resource") // no FileSystem allocation
77 protected final boolean isPosixFilePermissionsSupported() {
78 return FileSystems.getDefault().supportedFileAttributeViews().contains("posix");
79 }
80 }