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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    *      http://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 createTempSymlinkedRelativeDir(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  }