| /* |
| * Copyright (C) 2011, GitHub Inc. and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| package org.eclipse.jgit.api.blame; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.eclipse.jgit.api.Git; |
| import org.eclipse.jgit.blame.BlameGenerator; |
| import org.eclipse.jgit.blame.BlameResult; |
| import org.eclipse.jgit.junit.RepositoryTestCase; |
| import org.eclipse.jgit.lib.Constants; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.junit.Test; |
| |
| /** Unit tests of {@link BlameGenerator}. */ |
| public class BlameGeneratorTest extends RepositoryTestCase { |
| @Test |
| public void testBoundLineDelete() throws Exception { |
| try (Git git = new Git(db)) { |
| String[] content1 = new String[] { "first", "second" }; |
| writeTrashFile("file.txt", join(content1)); |
| git.add().addFilepattern("file.txt").call(); |
| RevCommit c1 = git.commit().setMessage("create file").call(); |
| |
| String[] content2 = new String[] { "third", "first", "second" }; |
| writeTrashFile("file.txt", join(content2)); |
| git.add().addFilepattern("file.txt").call(); |
| RevCommit c2 = git.commit().setMessage("create file").call(); |
| |
| try (BlameGenerator generator = new BlameGenerator(db, "file.txt")) { |
| generator.push(null, db.resolve(Constants.HEAD)); |
| assertEquals(3, generator.getResultContents().size()); |
| |
| assertTrue(generator.next()); |
| assertEquals(c2, generator.getSourceCommit()); |
| assertEquals(1, generator.getRegionLength()); |
| assertEquals(0, generator.getResultStart()); |
| assertEquals(1, generator.getResultEnd()); |
| assertEquals(0, generator.getSourceStart()); |
| assertEquals(1, generator.getSourceEnd()); |
| assertEquals("file.txt", generator.getSourcePath()); |
| |
| assertTrue(generator.next()); |
| assertEquals(c1, generator.getSourceCommit()); |
| assertEquals(2, generator.getRegionLength()); |
| assertEquals(1, generator.getResultStart()); |
| assertEquals(3, generator.getResultEnd()); |
| assertEquals(0, generator.getSourceStart()); |
| assertEquals(2, generator.getSourceEnd()); |
| assertEquals("file.txt", generator.getSourcePath()); |
| |
| assertFalse(generator.next()); |
| } |
| } |
| } |
| |
| @Test |
| public void testRenamedBoundLineDelete() throws Exception { |
| try (Git git = new Git(db)) { |
| final String FILENAME_1 = "subdir/file1.txt"; |
| final String FILENAME_2 = "subdir/file2.txt"; |
| |
| String[] content1 = new String[] { "first", "second" }; |
| writeTrashFile(FILENAME_1, join(content1)); |
| git.add().addFilepattern(FILENAME_1).call(); |
| RevCommit c1 = git.commit().setMessage("create file1").call(); |
| |
| // rename it |
| writeTrashFile(FILENAME_2, join(content1)); |
| git.add().addFilepattern(FILENAME_2).call(); |
| deleteTrashFile(FILENAME_1); |
| git.rm().addFilepattern(FILENAME_1).call(); |
| git.commit().setMessage("rename file1.txt to file2.txt").call(); |
| |
| // and change the new file |
| String[] content2 = new String[] { "third", "first", "second" }; |
| writeTrashFile(FILENAME_2, join(content2)); |
| git.add().addFilepattern(FILENAME_2).call(); |
| RevCommit c2 = git.commit().setMessage("change file2").call(); |
| |
| try (BlameGenerator generator = new BlameGenerator(db, FILENAME_2)) { |
| generator.push(null, db.resolve(Constants.HEAD)); |
| assertEquals(3, generator.getResultContents().size()); |
| |
| assertTrue(generator.next()); |
| assertEquals(c2, generator.getSourceCommit()); |
| assertEquals(1, generator.getRegionLength()); |
| assertEquals(0, generator.getResultStart()); |
| assertEquals(1, generator.getResultEnd()); |
| assertEquals(0, generator.getSourceStart()); |
| assertEquals(1, generator.getSourceEnd()); |
| assertEquals(FILENAME_2, generator.getSourcePath()); |
| |
| assertTrue(generator.next()); |
| assertEquals(c1, generator.getSourceCommit()); |
| assertEquals(2, generator.getRegionLength()); |
| assertEquals(1, generator.getResultStart()); |
| assertEquals(3, generator.getResultEnd()); |
| assertEquals(0, generator.getSourceStart()); |
| assertEquals(2, generator.getSourceEnd()); |
| assertEquals(FILENAME_1, generator.getSourcePath()); |
| |
| assertFalse(generator.next()); |
| } |
| |
| // and test again with other BlameGenerator API: |
| try (BlameGenerator generator = new BlameGenerator(db, FILENAME_2)) { |
| generator.push(null, db.resolve(Constants.HEAD)); |
| BlameResult result = generator.computeBlameResult(); |
| |
| assertEquals(3, result.getResultContents().size()); |
| |
| assertEquals(c2, result.getSourceCommit(0)); |
| assertEquals(FILENAME_2, result.getSourcePath(0)); |
| |
| assertEquals(c1, result.getSourceCommit(1)); |
| assertEquals(FILENAME_1, result.getSourcePath(1)); |
| |
| assertEquals(c1, result.getSourceCommit(2)); |
| assertEquals(FILENAME_1, result.getSourcePath(2)); |
| } |
| } |
| } |
| |
| @Test |
| public void testLinesAllDeletedShortenedWalk() throws Exception { |
| try (Git git = new Git(db)) { |
| String[] content1 = new String[] { "first", "second", "third" }; |
| |
| writeTrashFile("file.txt", join(content1)); |
| git.add().addFilepattern("file.txt").call(); |
| git.commit().setMessage("create file").call(); |
| |
| String[] content2 = new String[] { "" }; |
| |
| writeTrashFile("file.txt", join(content2)); |
| git.add().addFilepattern("file.txt").call(); |
| git.commit().setMessage("create file").call(); |
| |
| writeTrashFile("file.txt", join(content1)); |
| git.add().addFilepattern("file.txt").call(); |
| RevCommit c3 = git.commit().setMessage("create file").call(); |
| |
| try (BlameGenerator generator = new BlameGenerator(db, "file.txt")) { |
| generator.push(null, db.resolve(Constants.HEAD)); |
| assertEquals(3, generator.getResultContents().size()); |
| |
| assertTrue(generator.next()); |
| assertEquals(c3, generator.getSourceCommit()); |
| assertEquals(0, generator.getResultStart()); |
| assertEquals(3, generator.getResultEnd()); |
| |
| assertFalse(generator.next()); |
| } |
| } |
| } |
| |
| private static String join(String... lines) { |
| StringBuilder joined = new StringBuilder(); |
| for (String line : lines) |
| joined.append(line).append('\n'); |
| return joined.toString(); |
| } |
| } |