| /* |
| * 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.assertTrue; |
| import static org.junit.jupiter.api.Assertions.fail; |
| import static org.junit.jupiter.api.Assumptions.assumeTrue; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.junit.jupiter.api.Test; |
| import org.junit.jupiter.api.condition.DisabledOnOs; |
| import org.junit.jupiter.api.condition.OS; |
| import org.junit.jupiter.api.io.TempDir; |
| |
| /** |
| * Test cases for FileUtils.cleanDirectory() method. |
| * |
| * TODO Redo this test using |
| * {@link Files#createSymbolicLink(java.nio.file.Path, java.nio.file.Path, java.nio.file.attribute.FileAttribute...)}. |
| */ |
| public class FileUtilsCleanDirectoryTestCase { |
| |
| @TempDir |
| public File top; |
| |
| // ----------------------------------------------------------------------- |
| @Test |
| public void testCleanEmpty() throws Exception { |
| assertEquals(0, top.list().length); |
| |
| FileUtils.cleanDirectory(top); |
| |
| assertEquals(0, top.list().length); |
| } |
| |
| @Test |
| public void testDeletesRegular() throws Exception { |
| FileUtils.touch(new File(top, "regular")); |
| FileUtils.touch(new File(top, ".hidden")); |
| |
| assertEquals(2, top.list().length); |
| |
| FileUtils.cleanDirectory(top); |
| |
| assertEquals(0, top.list().length); |
| } |
| |
| @Test |
| public void testDeletesNested() throws Exception { |
| final File nested = new File(top, "nested"); |
| |
| assertTrue(nested.mkdirs()); |
| |
| FileUtils.touch(new File(nested, "file")); |
| |
| assertEquals(1, top.list().length); |
| |
| FileUtils.cleanDirectory(top); |
| |
| assertEquals(0, top.list().length); |
| } |
| |
| @DisabledOnOs(OS.WINDOWS) |
| @Test |
| public void testThrowsOnNullList() throws Exception { |
| // test wont work if we can't restrict permissions on the |
| // directory, so skip it. |
| assumeTrue(chmod(top, 0, false)); |
| |
| try { |
| // cleanDirectory calls forceDelete |
| FileUtils.cleanDirectory(top); |
| fail("expected IOException"); |
| } catch (final IOException e) { |
| assertEquals("Unknown I/O error listing contents of directory: " + top.getAbsolutePath(), e.getMessage()); |
| } finally { |
| chmod(top, 755, false); |
| } |
| } |
| |
| @DisabledOnOs(OS.WINDOWS) |
| @Test |
| public void testThrowsOnCannotDeleteFile() throws Exception { |
| final File file = new File(top, "restricted"); |
| FileUtils.touch(file); |
| |
| assumeTrue(chmod(top, 500, false)); |
| |
| try { |
| // cleanDirectory calls forceDelete |
| FileUtils.cleanDirectory(top); |
| fail("expected IOException"); |
| } catch (final IOException e) { |
| final IOExceptionList list = (IOExceptionList) e; |
| assertEquals("Cannot delete file: " + file.getAbsolutePath(), list.getCause(0).getMessage()); |
| } finally { |
| chmod(top, 755, false); |
| } |
| } |
| |
| /** Only runs on Linux. */ |
| private boolean chmod(final File file, final int mode, final boolean recurse) throws InterruptedException { |
| final List<String> args = new ArrayList<>(); |
| args.add("chmod"); |
| |
| if (recurse) { |
| args.add("-R"); |
| } |
| |
| args.add(Integer.toString(mode)); |
| args.add(file.getAbsolutePath()); |
| |
| final Process proc; |
| |
| try { |
| proc = Runtime.getRuntime().exec(args.toArray(new String[args.size()])); |
| } catch (final IOException e) { |
| return false; |
| } |
| return proc.waitFor() == 0; |
| } |
| |
| } |