| /* |
| * 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.vfs2; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.io.UnsupportedEncodingException; |
| import java.nio.charset.StandardCharsets; |
| |
| import org.junit.Test; |
| |
| /** |
| * File system test that check that a file system can be renamed. |
| */ |
| public class ProviderRenameTests extends AbstractProviderTestCase { |
| /** |
| * Returns the capabilities required by the tests of this test case. |
| */ |
| @Override |
| protected Capability[] getRequiredCapabilities() { |
| return new Capability[] { Capability.CREATE, Capability.DELETE, Capability.GET_TYPE, Capability.LIST_CHILDREN, |
| Capability.READ_CONTENT, Capability.WRITE_CONTENT, Capability.RENAME }; |
| } |
| |
| /** |
| * Sets up a scratch folder for the test to use. |
| */ |
| protected FileObject createScratchFolder() throws Exception { |
| final FileObject scratchFolder = getWriteFolder(); |
| |
| // Make sure the test folder is empty |
| scratchFolder.delete(Selectors.EXCLUDE_SELF); |
| scratchFolder.createFolder(); |
| |
| return scratchFolder; |
| } |
| |
| private void moveFile(final FileObject scratchFolder, final FileObject file, final String content) |
| throws FileSystemException, Exception { |
| final FileObject fileMove = scratchFolder.resolveFile("file1move.txt"); |
| assertFalse(fileMove.exists()); |
| |
| file.moveTo(fileMove); |
| |
| assertFalse(file.exists()); |
| assertTrue(fileMove.exists()); |
| |
| assertSameContent(content, fileMove); |
| |
| // Delete the file. |
| assertTrue(fileMove.exists()); |
| assertTrue(fileMove.delete()); |
| } |
| |
| private String createTestFile(final FileObject file) |
| throws FileSystemException, IOException, UnsupportedEncodingException, Exception { |
| // Create the source file |
| final String content = "Here is some sample content for the file. Blah Blah Blah."; |
| |
| try (OutputStream os = file.getContent().getOutputStream()) { |
| os.write(content.getBytes(StandardCharsets.UTF_8)); |
| } |
| assertSameContent(content, file); |
| return content; |
| } |
| |
| /** |
| * Tests create-delete-create-a-file sequence on the same file system. |
| */ |
| @Test |
| public void testRenameFile() throws Exception { |
| final FileObject scratchFolder = createScratchFolder(); |
| |
| // Create direct child of the test folder |
| final FileObject file = scratchFolder.resolveFile("file1.txt"); |
| assertFalse(file.exists()); |
| |
| final String content = createTestFile(file); |
| |
| // Make sure we can move the new file to another file on the same file system |
| moveFile(scratchFolder, file, content); |
| } |
| |
| /** |
| * Tests moving a file to empty folder. |
| * <P> |
| * This fails with VFS-558, but only with a CacheStrategy.ON_CALL. |
| */ |
| @Test |
| public void testRenameFileIntoEmptyFolder() throws Exception { |
| final FileObject scratchFolder = createScratchFolder(); |
| |
| // Create direct child of the test folder |
| final FileObject file = scratchFolder.resolveFile("file1.txt"); |
| assertFalse(file.exists()); |
| |
| final String content = createTestFile(file); |
| |
| final FileObject destFolder = scratchFolder.resolveFile("empty-target-folder"); |
| destFolder.createFolder(); |
| assertTrue("new destination must be folder", destFolder.getType().hasChildren()); |
| assertEquals("new destination must be emty", 0, destFolder.getChildren().length); |
| |
| moveFile(destFolder, file, content); |
| } |
| |
| /** |
| * Moves a file from a child folder to a parent folder to test what happens when the original folder is now empty. |
| * |
| * See [VFS-298] FTP: Exception is thrown when renaming a file. |
| */ |
| @Test |
| public void testRenameFileAndLeaveFolderEmpty() throws Exception { |
| final FileObject scratchFolder = createScratchFolder(); |
| final FileObject folder = scratchFolder.resolveFile("folder"); |
| folder.createFolder(); |
| assertTrue(folder.exists()); |
| final FileObject file = folder.resolveFile("file1.txt"); |
| assertFalse(file.exists()); |
| |
| final String content = createTestFile(file); |
| |
| // Make sure we can move the new file to another file on the same file system |
| moveFile(scratchFolder, file, content); |
| assertEquals(0, folder.getChildren().length); |
| } |
| } |