| /* |
| * 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.file; |
| |
| import static org.apache.commons.io.file.CounterAssertions.assertCounts; |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertFalse; |
| import static org.junit.jupiter.api.Assertions.assertNotEquals; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| |
| import org.apache.commons.io.file.Counters.PathCounters; |
| import org.junit.jupiter.api.Assertions; |
| import org.junit.jupiter.api.Test; |
| import org.junit.jupiter.params.ParameterizedTest; |
| import org.junit.jupiter.params.provider.MethodSource; |
| |
| /** |
| * Tests {@link DeletingPathVisitor}. |
| */ |
| public class DeletingPathVisitorTest extends AbstractTempDirTest { |
| |
| private static final String ARGS = "org.apache.commons.io.file.TestArguments#"; |
| |
| private void applyDeleteEmptyDirectory(final DeletingPathVisitor visitor) throws IOException { |
| Files.walkFileTree(tempDirPath, visitor); |
| assertCounts(1, 0, 0, visitor); |
| } |
| |
| /** |
| * Tests an empty folder. |
| */ |
| @ParameterizedTest |
| @MethodSource(ARGS + "deletingPathVisitors") |
| public void testDeleteEmptyDirectory(final DeletingPathVisitor visitor) throws IOException { |
| applyDeleteEmptyDirectory(visitor); |
| // This will throw if not empty. |
| Files.deleteIfExists(tempDirPath); |
| } |
| |
| /** |
| * Tests an empty folder. |
| */ |
| @ParameterizedTest |
| @MethodSource(ARGS + "pathCounters") |
| public void testDeleteEmptyDirectoryNullCtorArg(final PathCounters pathCounters) throws IOException { |
| applyDeleteEmptyDirectory(new DeletingPathVisitor(pathCounters, (String[]) null)); |
| // This will throw if not empty. |
| Files.deleteIfExists(tempDirPath); |
| } |
| |
| /** |
| * Tests a directory with one file of size 0. |
| */ |
| @ParameterizedTest |
| @MethodSource(ARGS + "deletingPathVisitors") |
| public void testDeleteFolders1FileSize0(final DeletingPathVisitor visitor) throws IOException { |
| PathUtils.copyDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-0"), tempDirPath); |
| assertCounts(1, 1, 0, PathUtils.visitFileTree(visitor, tempDirPath)); |
| // This will throw if not empty. |
| Files.deleteIfExists(tempDirPath); |
| } |
| |
| /** |
| * Tests a directory with one file of size 1. |
| */ |
| @ParameterizedTest |
| @MethodSource(ARGS + "deletingPathVisitors") |
| public void testDeleteFolders1FileSize1(final DeletingPathVisitor visitor) throws IOException { |
| PathUtils.copyDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-1"), tempDirPath); |
| assertCounts(1, 1, 1, PathUtils.visitFileTree(visitor, tempDirPath)); |
| // This will throw if not empty. |
| Files.deleteIfExists(tempDirPath); |
| } |
| |
| /** |
| * Tests a directory with one file of size 1 but skip that file. |
| */ |
| @ParameterizedTest |
| @MethodSource(ARGS + "pathCounters") |
| public void testDeleteFolders1FileSize1Skip(final PathCounters pathCounters) throws IOException { |
| PathUtils.copyDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-1"), tempDirPath); |
| final String skipFileName = "file-size-1.bin"; |
| final CountingPathVisitor visitor = new DeletingPathVisitor(pathCounters, skipFileName); |
| assertCounts(1, 1, 1, PathUtils.visitFileTree(visitor, tempDirPath)); |
| final Path skippedFile = tempDirPath.resolve(skipFileName); |
| Assertions.assertTrue(Files.exists(skippedFile)); |
| Files.delete(skippedFile); |
| } |
| |
| /** |
| * Tests a directory with two subdirectories, each containing one file of size 1. |
| */ |
| @ParameterizedTest |
| @MethodSource(ARGS + "deletingPathVisitors") |
| public void testDeleteFolders2FileSize2(final DeletingPathVisitor visitor) throws IOException { |
| PathUtils.copyDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-2-file-size-2"), tempDirPath); |
| assertCounts(3, 2, 2, PathUtils.visitFileTree(visitor, tempDirPath)); |
| // This will throw if not empty. |
| Files.deleteIfExists(tempDirPath); |
| } |
| |
| @Test |
| public void testEqualsHashCode() { |
| final DeletingPathVisitor visitor0 = DeletingPathVisitor.withLongCounters(); |
| final DeletingPathVisitor visitor1 = DeletingPathVisitor.withLongCounters(); |
| assertEquals(visitor0, visitor0); |
| assertEquals(visitor0, visitor1); |
| assertEquals(visitor1, visitor0); |
| assertEquals(visitor0.hashCode(), visitor0.hashCode()); |
| assertEquals(visitor0.hashCode(), visitor1.hashCode()); |
| assertEquals(visitor1.hashCode(), visitor0.hashCode()); |
| visitor0.getPathCounters().getByteCounter().increment(); |
| assertEquals(visitor0, visitor0); |
| assertNotEquals(visitor0, visitor1); |
| assertNotEquals(visitor1, visitor0); |
| assertEquals(visitor0.hashCode(), visitor0.hashCode()); |
| assertNotEquals(visitor0.hashCode(), visitor1.hashCode()); |
| assertNotEquals(visitor1.hashCode(), visitor0.hashCode()); |
| } |
| |
| /** |
| * Tests https://issues.apache.org/jira/browse/IO-850 |
| */ |
| @Test |
| public void testIO850DirectoriesAndFiles() throws IOException { |
| final Path rootDir = Files.createDirectory(managedTempDirPath.resolve("IO850")); |
| createTempSymlinkedRelativeDir(rootDir); |
| final Path targetDir = rootDir.resolve(SUB_DIR); |
| final Path symlinkDir = rootDir.resolve(SYMLINKED_DIR); |
| Files.write(targetDir.resolve("file0.txt"), "Hello".getBytes(StandardCharsets.UTF_8)); |
| final Path subDir0 = Files.createDirectory(targetDir.resolve("subDir0")); |
| Files.write(subDir0.resolve("file1.txt"), "Hello".getBytes(StandardCharsets.UTF_8)); |
| final DeletingPathVisitor visitor = DeletingPathVisitor.withLongCounters(); |
| Files.walkFileTree(rootDir, visitor); |
| assertFalse(Files.exists(targetDir)); |
| assertFalse(Files.exists(symlinkDir)); |
| assertFalse(Files.exists(rootDir)); |
| assertTrue(visitor.getPathCounters().getDirectoryCounter().get() > 0); |
| assertTrue(visitor.getPathCounters().getFileCounter().get() > 0); |
| } |
| |
| /** |
| * Tests https://issues.apache.org/jira/browse/IO-850 |
| */ |
| @Test |
| public void testIO850DirectoriesOnly() throws IOException { |
| final Path rootDir = Files.createDirectory(managedTempDirPath.resolve("IO850")); |
| createTempSymlinkedRelativeDir(rootDir); |
| final Path targetDir = rootDir.resolve(SUB_DIR); |
| final Path symlinkDir = rootDir.resolve(SYMLINKED_DIR); |
| final DeletingPathVisitor visitor = DeletingPathVisitor.withLongCounters(); |
| Files.walkFileTree(rootDir, visitor); |
| assertFalse(Files.exists(targetDir)); |
| assertFalse(Files.exists(symlinkDir)); |
| assertFalse(Files.exists(rootDir)); |
| assertTrue(visitor.getPathCounters().getDirectoryCounter().get() > 0); |
| } |
| } |