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- /*
- * Copyright (C) 2010, 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.hamcrest.MatcherAssert.assertThat;
- import static org.hamcrest.Matchers.endsWith;
- 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.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 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) {
- assertThat(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());
- }
- }
|