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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);
-
- 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);
- }
-
- }
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