| /* |
| * Copyright (C) 2008, Google Inc. |
| * 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.treewalk; |
| |
| import static org.eclipse.jgit.lib.FileMode.REGULAR_FILE; |
| import static org.eclipse.jgit.lib.FileMode.TREE; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.eclipse.jgit.dircache.DirCache; |
| import org.eclipse.jgit.dircache.DirCacheBuilder; |
| import org.eclipse.jgit.dircache.DirCacheEntry; |
| import org.eclipse.jgit.dircache.DirCacheIterator; |
| import org.eclipse.jgit.junit.RepositoryTestCase; |
| import org.eclipse.jgit.lib.FileMode; |
| import org.junit.Test; |
| |
| public class PostOrderTreeWalkTest extends RepositoryTestCase { |
| @Test |
| public void testInitialize_NoPostOrder() throws Exception { |
| try (final TreeWalk tw = new TreeWalk(db)) { |
| assertFalse(tw.isPostOrderTraversal()); |
| } |
| } |
| |
| @Test |
| public void testInitialize_TogglePostOrder() throws Exception { |
| try (final TreeWalk tw = new TreeWalk(db)) { |
| assertFalse(tw.isPostOrderTraversal()); |
| tw.setPostOrderTraversal(true); |
| assertTrue(tw.isPostOrderTraversal()); |
| tw.setPostOrderTraversal(false); |
| assertFalse(tw.isPostOrderTraversal()); |
| } |
| } |
| |
| @Test |
| public void testResetDoesNotAffectPostOrder() throws Exception { |
| try (final TreeWalk tw = new TreeWalk(db)) { |
| tw.setPostOrderTraversal(true); |
| assertTrue(tw.isPostOrderTraversal()); |
| tw.reset(); |
| assertTrue(tw.isPostOrderTraversal()); |
| |
| tw.setPostOrderTraversal(false); |
| assertFalse(tw.isPostOrderTraversal()); |
| tw.reset(); |
| assertFalse(tw.isPostOrderTraversal()); |
| } |
| } |
| |
| @Test |
| public void testNoPostOrder() throws Exception { |
| final DirCache tree = db.readDirCache(); |
| final DirCacheBuilder b = tree.builder(); |
| |
| b.add(makeFile("a")); |
| b.add(makeFile("b/c")); |
| b.add(makeFile("b/d")); |
| b.add(makeFile("q")); |
| |
| b.finish(); |
| assertEquals(4, tree.getEntryCount()); |
| |
| try (final TreeWalk tw = new TreeWalk(db)) { |
| tw.setPostOrderTraversal(false); |
| tw.addTree(new DirCacheIterator(tree)); |
| |
| assertModes("a", REGULAR_FILE, tw); |
| assertModes("b", TREE, tw); |
| assertTrue(tw.isSubtree()); |
| assertFalse(tw.isPostChildren()); |
| tw.enterSubtree(); |
| assertModes("b/c", REGULAR_FILE, tw); |
| assertModes("b/d", REGULAR_FILE, tw); |
| assertModes("q", REGULAR_FILE, tw); |
| } |
| } |
| |
| @Test |
| public void testWithPostOrder_EnterSubtree() throws Exception { |
| final DirCache tree = db.readDirCache(); |
| final DirCacheBuilder b = tree.builder(); |
| |
| b.add(makeFile("a")); |
| b.add(makeFile("b/c")); |
| b.add(makeFile("b/d")); |
| b.add(makeFile("q")); |
| |
| b.finish(); |
| assertEquals(4, tree.getEntryCount()); |
| |
| try (final TreeWalk tw = new TreeWalk(db)) { |
| tw.setPostOrderTraversal(true); |
| tw.addTree(new DirCacheIterator(tree)); |
| |
| assertModes("a", REGULAR_FILE, tw); |
| |
| assertModes("b", TREE, tw); |
| assertTrue(tw.isSubtree()); |
| assertFalse(tw.isPostChildren()); |
| tw.enterSubtree(); |
| assertModes("b/c", REGULAR_FILE, tw); |
| assertModes("b/d", REGULAR_FILE, tw); |
| |
| assertModes("b", TREE, tw); |
| assertTrue(tw.isSubtree()); |
| assertTrue(tw.isPostChildren()); |
| |
| assertModes("q", REGULAR_FILE, tw); |
| } |
| } |
| |
| @Test |
| public void testWithPostOrder_NoEnterSubtree() throws Exception { |
| final DirCache tree = db.readDirCache(); |
| final DirCacheBuilder b = tree.builder(); |
| |
| b.add(makeFile("a")); |
| b.add(makeFile("b/c")); |
| b.add(makeFile("b/d")); |
| b.add(makeFile("q")); |
| |
| b.finish(); |
| assertEquals(4, tree.getEntryCount()); |
| |
| try (final TreeWalk tw = new TreeWalk(db)) { |
| tw.setPostOrderTraversal(true); |
| tw.addTree(new DirCacheIterator(tree)); |
| |
| assertModes("a", REGULAR_FILE, tw); |
| |
| assertModes("b", TREE, tw); |
| assertTrue(tw.isSubtree()); |
| assertFalse(tw.isPostChildren()); |
| |
| assertModes("q", REGULAR_FILE, tw); |
| } |
| } |
| |
| private DirCacheEntry makeFile(final String path) throws Exception { |
| return createEntry(path, REGULAR_FILE); |
| } |
| |
| private static void assertModes(final String path, final FileMode mode0, |
| final TreeWalk tw) throws Exception { |
| assertTrue("has " + path, tw.next()); |
| assertEquals(path, tw.getPathString()); |
| assertEquals(mode0, tw.getFileMode(0)); |
| } |
| } |