| /* |
| * Copyright (C) 2010, 2013 Matthias Sohn <matthias.sohn@sap.com> |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.eclipse.jgit.util; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import org.eclipse.jgit.junit.JGitTestUtil; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class FileUtilTest { |
| |
| private final File trash = new File(new File("target"), "trash"); |
| |
| @Before |
| public void setUp() throws Exception { |
| assertTrue(trash.mkdirs()); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| FileUtils.delete(trash, FileUtils.RECURSIVE | FileUtils.RETRY); |
| } |
| |
| @Test |
| public void testDeleteFile() throws IOException { |
| File f = new File(trash, "test"); |
| FileUtils.createNewFile(f); |
| FileUtils.delete(f); |
| assertFalse(f.exists()); |
| |
| try { |
| FileUtils.delete(f); |
| fail("deletion of non-existing file must fail"); |
| } catch (IOException e) { |
| // expected |
| } |
| |
| try { |
| FileUtils.delete(f, FileUtils.SKIP_MISSING); |
| } catch (IOException e) { |
| fail("deletion of non-existing file must not fail with option SKIP_MISSING"); |
| } |
| } |
| |
| @Test |
| public void testDeleteRecursive() throws IOException { |
| File f1 = new File(trash, "test/test/a"); |
| FileUtils.mkdirs(f1.getParentFile()); |
| FileUtils.createNewFile(f1); |
| File f2 = new File(trash, "test/test/b"); |
| FileUtils.createNewFile(f2); |
| File d = new File(trash, "test"); |
| FileUtils.delete(d, FileUtils.RECURSIVE); |
| assertFalse(d.exists()); |
| |
| try { |
| FileUtils.delete(d, FileUtils.RECURSIVE); |
| fail("recursive deletion of non-existing directory must fail"); |
| } catch (IOException e) { |
| // expected |
| } |
| |
| try { |
| FileUtils.delete(d, FileUtils.RECURSIVE | FileUtils.SKIP_MISSING); |
| } catch (IOException e) { |
| fail("recursive deletion of non-existing directory must not fail with option SKIP_MISSING"); |
| } |
| } |
| |
| @Test |
| |
| public void testDeleteRecursiveEmpty() throws IOException { |
| File f1 = new File(trash, "test/test/a"); |
| File f2 = new File(trash, "test/a"); |
| File d1 = new File(trash, "test"); |
| File d2 = new File(trash, "test/test"); |
| File d3 = new File(trash, "test/b"); |
| FileUtils.mkdirs(f1.getParentFile()); |
| FileUtils.createNewFile(f2); |
| FileUtils.createNewFile(f1); |
| FileUtils.mkdirs(d3); |
| |
| // Cannot delete hierarchy since files exist |
| try { |
| FileUtils.delete(d1, FileUtils.EMPTY_DIRECTORIES_ONLY); |
| fail("delete should fail"); |
| } catch (IOException e1) { |
| try { |
| FileUtils.delete(d1, FileUtils.EMPTY_DIRECTORIES_ONLY|FileUtils.RECURSIVE); |
| fail("delete should fail"); |
| } catch (IOException e2) { |
| // Everything still there |
| assertTrue(f1.exists()); |
| assertTrue(f2.exists()); |
| assertTrue(d1.exists()); |
| assertTrue(d2.exists()); |
| assertTrue(d3.exists()); |
| } |
| } |
| |
| // setup: delete files, only directories left |
| assertTrue(f1.delete()); |
| assertTrue(f2.delete()); |
| |
| // Shall not delete hierarchy without recursive |
| try { |
| FileUtils.delete(d1, FileUtils.EMPTY_DIRECTORIES_ONLY); |
| fail("delete should fail"); |
| } catch (IOException e2) { |
| // Everything still there |
| assertTrue(d1.exists()); |
| assertTrue(d2.exists()); |
| assertTrue(d3.exists()); |
| } |
| |
| // Now delete the empty hierarchy |
| FileUtils.delete(d2, FileUtils.EMPTY_DIRECTORIES_ONLY |
| | FileUtils.RECURSIVE); |
| assertFalse(d2.exists()); |
| |
| // Will fail to delete non-existing without SKIP_MISSING |
| try { |
| FileUtils.delete(d2, FileUtils.EMPTY_DIRECTORIES_ONLY); |
| fail("Cannot delete non-existent entity"); |
| } catch (IOException e) { |
| // ok |
| } |
| |
| // ..with SKIP_MISSING there is no exception |
| FileUtils.delete(d2, FileUtils.EMPTY_DIRECTORIES_ONLY |
| | FileUtils.SKIP_MISSING); |
| FileUtils.delete(d2, FileUtils.EMPTY_DIRECTORIES_ONLY |
| | FileUtils.RECURSIVE | FileUtils.SKIP_MISSING); |
| |
| // essentially the same, using IGNORE_ERRORS |
| FileUtils.delete(d2, FileUtils.EMPTY_DIRECTORIES_ONLY |
| | FileUtils.IGNORE_ERRORS); |
| FileUtils.delete(d2, FileUtils.EMPTY_DIRECTORIES_ONLY |
| | FileUtils.RECURSIVE | FileUtils.IGNORE_ERRORS); |
| } |
| |
| @Test |
| public void testDeleteRecursiveEmptyNeedsToCheckFilesFirst() |
| throws IOException { |
| File d1 = new File(trash, "test"); |
| File d2 = new File(trash, "test/a"); |
| File d3 = new File(trash, "test/b"); |
| File f1 = new File(trash, "test/c"); |
| File d4 = new File(trash, "test/d"); |
| FileUtils.mkdirs(d1); |
| FileUtils.mkdirs(d2); |
| FileUtils.mkdirs(d3); |
| FileUtils.mkdirs(d4); |
| FileUtils.createNewFile(f1); |
| |
| // Cannot delete hierarchy since file exists |
| try { |
| FileUtils.delete(d1, FileUtils.EMPTY_DIRECTORIES_ONLY |
| | FileUtils.RECURSIVE); |
| fail("delete should fail"); |
| } catch (IOException e) { |
| // Everything still there |
| assertTrue(f1.exists()); |
| assertTrue(d1.exists()); |
| assertTrue(d2.exists()); |
| assertTrue(d3.exists()); |
| assertTrue(d4.exists()); |
| } |
| } |
| |
| @Test |
| public void testDeleteRecursiveEmptyDirectoriesOnlyButIsFile() |
| throws IOException { |
| File f1 = new File(trash, "test/test/a"); |
| FileUtils.mkdirs(f1.getParentFile()); |
| FileUtils.createNewFile(f1); |
| try { |
| FileUtils.delete(f1, FileUtils.EMPTY_DIRECTORIES_ONLY); |
| fail("delete should fail"); |
| } catch (IOException e) { |
| assertTrue(f1.exists()); |
| } |
| } |
| |
| @Test |
| public void testMkdir() throws IOException { |
| File d = new File(trash, "test"); |
| FileUtils.mkdir(d); |
| assertTrue(d.exists() && d.isDirectory()); |
| |
| try { |
| FileUtils.mkdir(d); |
| fail("creation of existing directory must fail"); |
| } catch (IOException e) { |
| // expected |
| } |
| |
| FileUtils.mkdir(d, true); |
| assertTrue(d.exists() && d.isDirectory()); |
| |
| assertTrue(d.delete()); |
| File f = new File(trash, "test"); |
| FileUtils.createNewFile(f); |
| try { |
| FileUtils.mkdir(d); |
| fail("creation of directory having same path as existing file must" |
| + " fail"); |
| } catch (IOException e) { |
| // expected |
| } |
| assertTrue(f.delete()); |
| } |
| |
| @Test |
| public void testMkdirs() throws IOException { |
| File root = new File(trash, "test"); |
| assertTrue(root.mkdir()); |
| |
| File d = new File(root, "test/test"); |
| FileUtils.mkdirs(d); |
| assertTrue(d.exists() && d.isDirectory()); |
| |
| try { |
| FileUtils.mkdirs(d); |
| fail("creation of existing directory hierarchy must fail"); |
| } catch (IOException e) { |
| // expected |
| } |
| |
| FileUtils.mkdirs(d, true); |
| assertTrue(d.exists() && d.isDirectory()); |
| |
| FileUtils.delete(root, FileUtils.RECURSIVE); |
| File f = new File(trash, "test"); |
| FileUtils.createNewFile(f); |
| try { |
| FileUtils.mkdirs(d); |
| fail("creation of directory having path conflicting with existing" |
| + " file must fail"); |
| } catch (IOException e) { |
| // expected |
| } |
| assertTrue(f.delete()); |
| } |
| |
| @Test |
| public void testCreateNewFile() throws IOException { |
| File f = new File(trash, "x"); |
| FileUtils.createNewFile(f); |
| assertTrue(f.exists()); |
| |
| try { |
| FileUtils.createNewFile(f); |
| fail("creation of already existing file must fail"); |
| } catch (IOException e) { |
| // expected |
| } |
| |
| FileUtils.delete(f); |
| } |
| |
| @Test |
| public void testDeleteEmptyTreeOk() throws IOException { |
| File t = new File(trash, "t"); |
| FileUtils.mkdir(t); |
| FileUtils.mkdir(new File(t, "d")); |
| FileUtils.mkdir(new File(new File(t, "d"), "e")); |
| FileUtils.delete(t, FileUtils.EMPTY_DIRECTORIES_ONLY | FileUtils.RECURSIVE); |
| assertFalse(t.exists()); |
| } |
| |
| @Test |
| public void testDeleteNotEmptyTreeNotOk() throws IOException { |
| File t = new File(trash, "t"); |
| FileUtils.mkdir(t); |
| FileUtils.mkdir(new File(t, "d")); |
| File f = new File(new File(t, "d"), "f"); |
| FileUtils.createNewFile(f); |
| FileUtils.mkdir(new File(new File(t, "d"), "e")); |
| try { |
| FileUtils.delete(t, FileUtils.EMPTY_DIRECTORIES_ONLY | FileUtils.RECURSIVE); |
| fail("expected failure to delete f"); |
| } catch (IOException e) { |
| assertTrue(e.getMessage().endsWith(f.getAbsolutePath())); |
| } |
| assertTrue(t.exists()); |
| } |
| |
| @Test |
| public void testDeleteNotEmptyTreeNotOkButIgnoreFail() throws IOException { |
| File t = new File(trash, "t"); |
| FileUtils.mkdir(t); |
| FileUtils.mkdir(new File(t, "d")); |
| File f = new File(new File(t, "d"), "f"); |
| FileUtils.createNewFile(f); |
| File e = new File(new File(t, "d"), "e"); |
| FileUtils.mkdir(e); |
| FileUtils.delete(t, FileUtils.EMPTY_DIRECTORIES_ONLY | FileUtils.RECURSIVE |
| | FileUtils.IGNORE_ERRORS); |
| // Should have deleted as much as possible, but not all |
| assertTrue(t.exists()); |
| assertTrue(f.exists()); |
| assertFalse(e.exists()); |
| } |
| |
| @Test |
| public void testRenameOverNonExistingFile() throws IOException { |
| File d = new File(trash, "d"); |
| FileUtils.mkdirs(d); |
| File f1 = new File(trash, "d/f"); |
| File f2 = new File(trash, "d/g"); |
| JGitTestUtil.write(f1, "f1"); |
| // test |
| FileUtils.rename(f1, f2); |
| assertFalse(f1.exists()); |
| assertTrue(f2.exists()); |
| assertEquals("f1", JGitTestUtil.read(f2)); |
| } |
| |
| @Test |
| public void testRenameOverExistingFile() throws IOException { |
| File d = new File(trash, "d"); |
| FileUtils.mkdirs(d); |
| File f1 = new File(trash, "d/f"); |
| File f2 = new File(trash, "d/g"); |
| JGitTestUtil.write(f1, "f1"); |
| JGitTestUtil.write(f2, "f2"); |
| // test |
| FileUtils.rename(f1, f2); |
| assertFalse(f1.exists()); |
| assertTrue(f2.exists()); |
| assertEquals("f1", JGitTestUtil.read(f2)); |
| } |
| |
| @Test |
| public void testRenameOverExistingNonEmptyDirectory() throws IOException { |
| File d = new File(trash, "d"); |
| FileUtils.mkdirs(d); |
| File f1 = new File(trash, "d/f"); |
| File f2 = new File(trash, "d/g"); |
| File d1 = new File(trash, "d/g/h/i"); |
| File f3 = new File(trash, "d/g/h/f"); |
| FileUtils.mkdirs(d1); |
| JGitTestUtil.write(f1, "f1"); |
| JGitTestUtil.write(f3, "f3"); |
| // test |
| try { |
| FileUtils.rename(f1, f2); |
| fail("rename to non-empty directory should fail"); |
| } catch (IOException e) { |
| assertEquals("f1", JGitTestUtil.read(f1)); // untouched source |
| assertEquals("f3", JGitTestUtil.read(f3)); // untouched |
| // empty directories within f2 may or may not have been deleted |
| } |
| } |
| |
| @Test |
| public void testRenameOverExistingEmptyDirectory() throws IOException { |
| File d = new File(trash, "d"); |
| FileUtils.mkdirs(d); |
| File f1 = new File(trash, "d/f"); |
| File f2 = new File(trash, "d/g"); |
| File d1 = new File(trash, "d/g/h/i"); |
| FileUtils.mkdirs(d1); |
| JGitTestUtil.write(f1, "f1"); |
| // test |
| FileUtils.rename(f1, f2); |
| assertFalse(f1.exists()); |
| assertTrue(f2.exists()); |
| assertEquals("f1", JGitTestUtil.read(f2)); |
| } |
| |
| @Test |
| public void testCreateSymlink() throws IOException { |
| FS fs = FS.DETECTED; |
| try { |
| fs.createSymLink(new File(trash, "x"), "y"); |
| } catch (IOException e) { |
| if (fs.supportsSymlinks()) |
| fail("FS claims to support symlinks but attempt to create symlink failed"); |
| return; |
| } |
| assertTrue(fs.supportsSymlinks()); |
| String target = fs.readSymLink(new File(trash, "x")); |
| assertEquals("y", target); |
| } |
| } |