| /* |
| * Copyright (C) 2014, Robin Stocker <robin@nibor.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.revwalk; |
| |
| import static java.util.Arrays.asList; |
| import static org.junit.Assert.assertEquals; |
| |
| import java.util.Collection; |
| import java.util.List; |
| |
| import org.eclipse.jgit.api.Git; |
| import org.eclipse.jgit.lib.Ref; |
| import org.eclipse.jgit.lib.RefComparator; |
| import org.junit.Test; |
| |
| public class RevWalkUtilsReachableTest extends RevWalkTestCase { |
| |
| @Test |
| public void oneCommit() throws Exception { |
| RevCommit a = commit(); |
| Ref branchA = branch("a", a); |
| |
| assertContains(a, asList(branchA)); |
| } |
| |
| @Test |
| public void twoCommits() throws Exception { |
| RevCommit a = commit(); |
| RevCommit b = commit(a); |
| branch("a", a); |
| Ref branchB = branch("b", b); |
| |
| assertContains(b, asList(branchB)); |
| } |
| |
| @Test |
| public void multipleBranches() throws Exception { |
| RevCommit a = commit(); |
| RevCommit b = commit(a); |
| branch("a", a); |
| Ref branchB = branch("b", b); |
| Ref branchB2 = branch("b2", b); |
| |
| assertContains(b, asList(branchB, branchB2)); |
| } |
| |
| @Test |
| public void withMerge() throws Exception { |
| RevCommit a = commit(); |
| RevCommit b = commit(); |
| RevCommit c = commit(a, b); |
| Ref branchA = branch("a", a); |
| Ref branchB = branch("b", b); |
| Ref branchC = branch("c", c); |
| |
| assertContains(a, asList(branchA, branchC)); |
| assertContains(b, asList(branchB, branchC)); |
| } |
| |
| @Test |
| public void withCommitLoadedByDifferentRevWalk() throws Exception { |
| RevCommit a = commit(); |
| Ref branchA = branch("a", a); |
| |
| try (RevWalk walk = new RevWalk(db)) { |
| RevCommit parsedCommit = walk.parseCommit(a.getId()); |
| assertContains(parsedCommit, asList(branchA)); |
| } |
| } |
| |
| private Ref branch(final String name, final RevCommit dst) throws Exception { |
| return Git.wrap(db).branchCreate().setName(name) |
| .setStartPoint(dst.name()).call(); |
| } |
| |
| private void assertContains(RevCommit commit, Collection<Ref> refsThatShouldContainCommit) throws Exception { |
| Collection<Ref> allRefs = db.getAllRefs().values(); |
| Collection<Ref> sortedRefs = RefComparator.sort(allRefs); |
| List<Ref> actual = RevWalkUtils.findBranchesReachableFrom(commit, |
| rw, sortedRefs); |
| assertEquals(refsThatShouldContainCommit, actual); |
| } |
| |
| } |