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- /*
- * Copyright (C) 2011, GitHub 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.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 {
- 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 {
- 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 {
- 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();
- }
- }
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