| /* |
| * Copyright (C) 2012, Matthias Sohn <matthias.sohn@sap.com> 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.revwalk; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| |
| import org.eclipse.jgit.api.Git; |
| import org.eclipse.jgit.junit.RepositoryTestCase; |
| import org.eclipse.jgit.lib.Constants; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.junit.Test; |
| |
| public class RevCommitListTest extends RepositoryTestCase { |
| |
| private RevCommitList<RevCommit> list; |
| |
| public void setup(int count) throws Exception { |
| try (Git git = new Git(db); |
| RevWalk w = new RevWalk(db);) { |
| for (int i = 0; i < count; i++) |
| git.commit().setCommitter(committer).setAuthor(author) |
| .setMessage("commit " + i).call(); |
| list = new RevCommitList<>(); |
| w.markStart(w.lookupCommit(db.resolve(Constants.HEAD))); |
| list.source(w); |
| } |
| } |
| |
| @Test |
| public void testFillToHighMark2() throws Exception { |
| setup(3); |
| list.fillTo(1); |
| assertEquals(2, list.size()); |
| assertEquals("commit 2", list.get(0).getFullMessage()); |
| assertEquals("commit 1", list.get(1).getFullMessage()); |
| assertNull("commit 0 shouldn't be loaded", list.get(2)); |
| } |
| |
| @Test |
| public void testFillToHighMarkAll() throws Exception { |
| setup(3); |
| list.fillTo(2); |
| assertEquals(3, list.size()); |
| assertEquals("commit 2", list.get(0).getFullMessage()); |
| assertEquals("commit 0", list.get(2).getFullMessage()); |
| } |
| |
| @Test |
| public void testFillToHighMark4() throws Exception { |
| setup(3); |
| list.fillTo(3); |
| assertEquals(3, list.size()); |
| assertEquals("commit 2", list.get(0).getFullMessage()); |
| assertEquals("commit 0", list.get(2).getFullMessage()); |
| assertNull("commit 3 can't be loaded", list.get(3)); |
| } |
| |
| @Test |
| public void testFillToHighMarkMulitpleBlocks() throws Exception { |
| setup(258); |
| list.fillTo(257); |
| assertEquals(258, list.size()); |
| } |
| |
| @Test |
| public void testFillToCommit() throws Exception { |
| setup(3); |
| |
| try (RevWalk w = new RevWalk(db)) { |
| w.markStart(w.lookupCommit(db.resolve(Constants.HEAD))); |
| |
| w.next(); |
| RevCommit c = w.next(); |
| assertNotNull("should have found 2. commit", c); |
| |
| list.fillTo(c, 5); |
| assertEquals(2, list.size()); |
| assertEquals("commit 1", list.get(1).getFullMessage()); |
| assertNull(list.get(3)); |
| } |
| } |
| |
| @Test |
| public void testFillToUnknownCommit() throws Exception { |
| setup(258); |
| RevCommit c = new RevCommit( |
| ObjectId.fromString("9473095c4cb2f12aefe1db8a355fe3fafba42f67")); |
| |
| list.fillTo(c, 300); |
| assertEquals("loading to unknown commit should load all commits", 258, |
| list.size()); |
| } |
| |
| @Test |
| public void testFillToNullCommit() throws Exception { |
| setup(3); |
| list.fillTo(null, 1); |
| assertNull(list.get(0)); |
| } |
| } |