| /* |
| * Copyright (C) 2011, Dariusz Luksza <dariusz@luksza.org> |
| * 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.diff; |
| |
| import static org.eclipse.jgit.diff.DiffEntry.DEV_NULL; |
| import static org.eclipse.jgit.util.FileUtils.delete; |
| import static org.hamcrest.CoreMatchers.is; |
| import static org.hamcrest.CoreMatchers.notNullValue; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.File; |
| import java.util.List; |
| |
| import org.eclipse.jgit.api.Git; |
| import org.eclipse.jgit.diff.DiffEntry.ChangeType; |
| import org.eclipse.jgit.dircache.DirCache; |
| import org.eclipse.jgit.dircache.DirCacheEditor; |
| import org.eclipse.jgit.dircache.DirCacheEditor.PathEdit; |
| import org.eclipse.jgit.dircache.DirCacheEntry; |
| import org.eclipse.jgit.lib.FileMode; |
| import org.eclipse.jgit.lib.RepositoryTestCase; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.treewalk.EmptyTreeIterator; |
| import org.eclipse.jgit.treewalk.FileTreeIterator; |
| import org.eclipse.jgit.treewalk.TreeWalk; |
| import org.eclipse.jgit.util.FileUtils; |
| import org.junit.Test; |
| |
| public class DiffEntryTest extends RepositoryTestCase { |
| |
| @Test |
| public void shouldListAddedFileInInitialCommit() throws Exception { |
| // given |
| writeTrashFile("a.txt", "content"); |
| Git git = new Git(db); |
| git.add().addFilepattern("a.txt").call(); |
| RevCommit c = git.commit().setMessage("initial commit").call(); |
| |
| // when |
| TreeWalk walk = new TreeWalk(db); |
| walk.addTree(new EmptyTreeIterator()); |
| walk.addTree(c.getTree()); |
| List<DiffEntry> result = DiffEntry.scan(walk); |
| |
| // then |
| assertThat(result, notNullValue()); |
| assertThat(Integer.valueOf(result.size()), is(Integer.valueOf(1))); |
| |
| DiffEntry entry = result.get(0); |
| assertThat(entry.getChangeType(), is(ChangeType.ADD)); |
| assertThat(entry.getNewPath(), is("a.txt")); |
| assertThat(entry.getOldPath(), is(DEV_NULL)); |
| } |
| |
| @Test |
| public void shouldListAddedFileBetweenTwoCommits() throws Exception { |
| // given |
| Git git = new Git(db); |
| RevCommit c1 = git.commit().setMessage("initial commit").call(); |
| writeTrashFile("a.txt", "content"); |
| git.add().addFilepattern("a.txt").call(); |
| RevCommit c2 = git.commit().setMessage("second commit").call(); |
| |
| // when |
| TreeWalk walk = new TreeWalk(db); |
| walk.addTree(c1.getTree()); |
| walk.addTree(c2.getTree()); |
| List<DiffEntry> result = DiffEntry.scan(walk); |
| |
| // then |
| assertThat(result, notNullValue()); |
| assertThat(Integer.valueOf(result.size()), is(Integer.valueOf(1))); |
| |
| DiffEntry entry = result.get(0); |
| assertThat(entry.getChangeType(), is(ChangeType.ADD)); |
| assertThat(entry.getNewPath(), is("a.txt")); |
| assertThat(entry.getOldPath(), is(DEV_NULL)); |
| } |
| |
| @Test |
| public void shouldListModificationBetweenTwoCommits() throws Exception { |
| // given |
| Git git = new Git(db); |
| File file = writeTrashFile("a.txt", "content"); |
| git.add().addFilepattern("a.txt").call(); |
| RevCommit c1 = git.commit().setMessage("initial commit").call(); |
| write(file, "new content"); |
| RevCommit c2 = git.commit().setAll(true).setMessage("second commit") |
| .call(); |
| |
| // when |
| TreeWalk walk = new TreeWalk(db); |
| walk.addTree(c1.getTree()); |
| walk.addTree(c2.getTree()); |
| List<DiffEntry> result = DiffEntry.scan(walk); |
| |
| // then |
| assertThat(result, notNullValue()); |
| assertThat(Integer.valueOf(result.size()), is(Integer.valueOf(1))); |
| |
| DiffEntry entry = result.get(0); |
| assertThat(entry.getChangeType(), is(ChangeType.MODIFY)); |
| assertThat(entry.getNewPath(), is("a.txt")); |
| } |
| |
| @Test |
| public void shouldListDeletionBetweenTwoCommits() throws Exception { |
| // given |
| Git git = new Git(db); |
| File file = writeTrashFile("a.txt", "content"); |
| git.add().addFilepattern("a.txt").call(); |
| RevCommit c1 = git.commit().setMessage("initial commit").call(); |
| delete(file); |
| RevCommit c2 = git.commit().setAll(true).setMessage("delete a.txt") |
| .call(); |
| |
| // when |
| TreeWalk walk = new TreeWalk(db); |
| walk.addTree(c1.getTree()); |
| walk.addTree(c2.getTree()); |
| List<DiffEntry> result = DiffEntry.scan(walk); |
| |
| // then |
| assertThat(result, notNullValue()); |
| assertThat(Integer.valueOf(result.size()), is(Integer.valueOf(1))); |
| |
| DiffEntry entry = result.get(0); |
| assertThat(entry.getOldPath(), is("a.txt")); |
| assertThat(entry.getNewPath(), is(DEV_NULL)); |
| assertThat(entry.getChangeType(), is(ChangeType.DELETE)); |
| } |
| |
| @Test |
| public void shouldListModificationInDirWithoutModifiedTrees() |
| throws Exception { |
| // given |
| Git git = new Git(db); |
| File tree = new File(new File(db.getWorkTree(), "a"), "b"); |
| FileUtils.mkdirs(tree); |
| File file = new File(tree, "c.txt"); |
| FileUtils.createNewFile(file); |
| write(file, "content"); |
| git.add().addFilepattern("a").call(); |
| RevCommit c1 = git.commit().setMessage("initial commit").call(); |
| write(file, "new line"); |
| RevCommit c2 = git.commit().setAll(true).setMessage("second commit") |
| .call(); |
| |
| // when |
| TreeWalk walk = new TreeWalk(db); |
| walk.addTree(c1.getTree()); |
| walk.addTree(c2.getTree()); |
| walk.setRecursive(true); |
| List<DiffEntry> result = DiffEntry.scan(walk); |
| |
| // then |
| assertThat(result, notNullValue()); |
| assertThat(Integer.valueOf(result.size()), is(Integer.valueOf(1))); |
| |
| DiffEntry entry = result.get(0); |
| assertThat(entry.getChangeType(), is(ChangeType.MODIFY)); |
| assertThat(entry.getNewPath(), is("a/b/c.txt")); |
| } |
| |
| @Test |
| public void shouldListModificationInDirWithModifiedTrees() throws Exception { |
| // given |
| Git git = new Git(db); |
| File tree = new File(new File(db.getWorkTree(), "a"), "b"); |
| FileUtils.mkdirs(tree); |
| File file = new File(tree, "c.txt"); |
| FileUtils.createNewFile(file); |
| write(file, "content"); |
| git.add().addFilepattern("a").call(); |
| RevCommit c1 = git.commit().setMessage("initial commit").call(); |
| write(file, "new line"); |
| RevCommit c2 = git.commit().setAll(true).setMessage("second commit") |
| .call(); |
| |
| // when |
| TreeWalk walk = new TreeWalk(db); |
| walk.addTree(c1.getTree()); |
| walk.addTree(c2.getTree()); |
| List<DiffEntry> result = DiffEntry.scan(walk, true); |
| |
| // then |
| assertThat(result, notNullValue()); |
| assertThat(Integer.valueOf(result.size()), is(Integer.valueOf(3))); |
| |
| DiffEntry entry = result.get(0); |
| assertThat(entry.getChangeType(), is(ChangeType.MODIFY)); |
| assertThat(entry.getNewPath(), is("a")); |
| |
| entry = result.get(1); |
| assertThat(entry.getChangeType(), is(ChangeType.MODIFY)); |
| assertThat(entry.getNewPath(), is("a/b")); |
| |
| entry = result.get(2); |
| assertThat(entry.getChangeType(), is(ChangeType.MODIFY)); |
| assertThat(entry.getNewPath(), is("a/b/c.txt")); |
| } |
| |
| @Test |
| public void shouldListChangesInWorkingTree() throws Exception { |
| // given |
| writeTrashFile("a.txt", "content"); |
| Git git = new Git(db); |
| git.add().addFilepattern("a.txt").call(); |
| RevCommit c = git.commit().setMessage("initial commit").call(); |
| writeTrashFile("b.txt", "new line"); |
| |
| // when |
| TreeWalk walk = new TreeWalk(db); |
| walk.addTree(c.getTree()); |
| walk.addTree(new FileTreeIterator(db)); |
| List<DiffEntry> result = DiffEntry.scan(walk, true); |
| |
| // then |
| assertThat(Integer.valueOf(result.size()), is(Integer.valueOf(1))); |
| DiffEntry entry = result.get(0); |
| |
| assertThat(entry.getChangeType(), is(ChangeType.ADD)); |
| assertThat(entry.getNewPath(), is("b.txt")); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void shouldThrowIAEWhenTreeWalkHasLessThanTwoTrees() |
| throws Exception { |
| // given - we don't need anything here |
| |
| // when |
| TreeWalk walk = new TreeWalk(db); |
| walk.addTree(new EmptyTreeIterator()); |
| DiffEntry.scan(walk); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void shouldThrowIAEWhenTreeWalkHasMoreThanTwoTrees() |
| throws Exception { |
| // given - we don't need anything here |
| |
| // when |
| TreeWalk walk = new TreeWalk(db); |
| walk.addTree(new EmptyTreeIterator()); |
| walk.addTree(new EmptyTreeIterator()); |
| walk.addTree(new EmptyTreeIterator()); |
| DiffEntry.scan(walk); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void shouldThrowIAEWhenScanShouldIncludeTreesAndWalkIsRecursive() |
| throws Exception { |
| // given - we don't need anything here |
| |
| // when |
| TreeWalk walk = new TreeWalk(db); |
| walk.addTree(new EmptyTreeIterator()); |
| walk.addTree(new EmptyTreeIterator()); |
| walk.setRecursive(true); |
| DiffEntry.scan(walk, true); |
| } |
| |
| @Test |
| public void shouldReportFileModeChange() throws Exception { |
| writeTrashFile("a.txt", "content"); |
| Git git = new Git(db); |
| git.add().addFilepattern("a.txt").call(); |
| RevCommit c1 = git.commit().setMessage("initial commit").call(); |
| DirCache cache = db.lockDirCache(); |
| DirCacheEditor editor = cache.editor(); |
| final TreeWalk walk = new TreeWalk(db); |
| walk.addTree(c1.getTree()); |
| walk.setRecursive(true); |
| assertTrue(walk.next()); |
| |
| editor.add(new PathEdit("a.txt") { |
| |
| public void apply(DirCacheEntry ent) { |
| ent.setFileMode(FileMode.EXECUTABLE_FILE); |
| ent.setObjectId(walk.getObjectId(0)); |
| } |
| }); |
| assertTrue(editor.commit()); |
| RevCommit c2 = git.commit().setMessage("second commit").call(); |
| walk.reset(); |
| walk.addTree(c1.getTree()); |
| walk.addTree(c2.getTree()); |
| List<DiffEntry> diffs = DiffEntry.scan(walk, false); |
| assertEquals(1, diffs.size()); |
| DiffEntry diff = diffs.get(0); |
| assertEquals(ChangeType.MODIFY,diff.getChangeType()); |
| assertEquals(diff.getOldId(), diff.getNewId()); |
| assertEquals("a.txt", diff.getOldPath()); |
| assertEquals(diff.getOldPath(), diff.getNewPath()); |
| assertEquals(FileMode.EXECUTABLE_FILE, diff.getNewMode()); |
| assertEquals(FileMode.REGULAR_FILE, diff.getOldMode()); |
| } |
| } |