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/*
* 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);
RevWalk walk = new RevWalk(db);
try {
RevCommit parsedCommit = walk.parseCommit(a.getId());
assertContains(parsedCommit, asList(branchA));
} finally {
walk.release();
}
}
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);
}
}
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