diff options
Diffstat (limited to 'org.eclipse.jgit.test')
| -rw-r--r-- | org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/PedestrianReachabilityCheckerTest.java | 57 | ||||
| -rw-r--r-- | org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/ReachabilityCheckerTestCase.java | 168 |
2 files changed, 225 insertions, 0 deletions
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/PedestrianReachabilityCheckerTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/PedestrianReachabilityCheckerTest.java new file mode 100644 index 0000000000..8d3e78c1fe --- /dev/null +++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/PedestrianReachabilityCheckerTest.java @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2019, Google LLC. + * 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 org.eclipse.jgit.internal.storage.file.FileRepository; +import org.eclipse.jgit.junit.TestRepository; + +public class PedestrianReachabilityCheckerTest + extends ReachabilityCheckerTestCase { + + @Override + protected ReachabilityChecker getChecker( + TestRepository<FileRepository> repository) { + return new PedestrianReachabilityChecker(true, repository.getRevWalk()); + } + +} diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/ReachabilityCheckerTestCase.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/ReachabilityCheckerTestCase.java new file mode 100644 index 0000000000..dd73e35727 --- /dev/null +++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/ReachabilityCheckerTestCase.java @@ -0,0 +1,168 @@ +/* + * Copyright (C) 2019, Google LLC. + * 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 org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +import java.util.Arrays; +import java.util.Optional; + +import org.eclipse.jgit.internal.storage.file.FileRepository; +import org.eclipse.jgit.junit.LocalDiskRepositoryTestCase; +import org.eclipse.jgit.junit.TestRepository; +import org.junit.Before; +import org.junit.Test; + +public abstract class ReachabilityCheckerTestCase + extends LocalDiskRepositoryTestCase { + + protected abstract ReachabilityChecker getChecker( + TestRepository<FileRepository> repository) throws Exception; + + TestRepository<FileRepository> repo; + + /** {@inheritDoc} */ + @Override + @Before + public void setUp() throws Exception { + super.setUp(); + FileRepository db = createWorkRepository(); + repo = new TestRepository<>(db); + } + + @Test + public void reachable() throws Exception { + RevCommit a = repo.commit().create(); + RevCommit b1 = repo.commit(a); + RevCommit b2 = repo.commit(b1); + RevCommit c1 = repo.commit(a); + RevCommit c2 = repo.commit(c1); + repo.update("refs/heads/checker", b2); + + ReachabilityChecker checker = getChecker(repo); + + assertReachable("reachable from one tip", + checker.areAllReachable(Arrays.asList(a), Arrays.asList(c2))); + assertReachable("reachable from another tip", + checker.areAllReachable(Arrays.asList(a), Arrays.asList(b2))); + assertReachable("reachable from itself", + checker.areAllReachable(Arrays.asList(a), Arrays.asList(b2))); + } + + @Test + public void reachable_merge() throws Exception { + RevCommit a = repo.commit().create(); + RevCommit b1 = repo.commit(a); + RevCommit b2 = repo.commit(b1); + RevCommit c1 = repo.commit(a); + RevCommit c2 = repo.commit(c1); + RevCommit merge = repo.commit(c2, b2); + repo.update("refs/heads/checker", merge); + + ReachabilityChecker checker = getChecker(repo); + + assertReachable("reachable through one branch", + checker.areAllReachable(Arrays.asList(b1), + Arrays.asList(merge))); + assertReachable("reachable through another branch", + checker.areAllReachable(Arrays.asList(c1), + Arrays.asList(merge))); + assertReachable("reachable, before the branching", + checker.areAllReachable(Arrays.asList(a), + Arrays.asList(merge))); + } + + @Test + public void unreachable_isLaterCommit() throws Exception { + RevCommit a = repo.commit().create(); + RevCommit b1 = repo.commit(a); + RevCommit b2 = repo.commit(b1); + repo.update("refs/heads/checker", b2); + + ReachabilityChecker checker = getChecker(repo); + + assertUnreachable("unreachable from the future", + checker.areAllReachable(Arrays.asList(b2), Arrays.asList(b1))); + } + + @Test + public void unreachable_differentBranch() throws Exception { + RevCommit a = repo.commit().create(); + RevCommit b1 = repo.commit(a); + RevCommit b2 = repo.commit(b1); + RevCommit c1 = repo.commit(a); + repo.update("refs/heads/checker", b2); + + ReachabilityChecker checker = getChecker(repo); + + assertUnreachable("unreachable from different branch", + checker.areAllReachable(Arrays.asList(c1), Arrays.asList(b2))); + } + + @Test + public void reachable_longChain() throws Exception { + RevCommit root = repo.commit().create(); + RevCommit head = root; + for (int i = 0; i < 10000; i++) { + head = repo.commit(head); + } + repo.update("refs/heads/master", head); + + ReachabilityChecker checker = getChecker(repo); + + assertReachable("reachable with long chain in the middle", checker + .areAllReachable(Arrays.asList(root), Arrays.asList(head))); + } + + private static void assertReachable(String msg, + Optional<RevCommit> result) { + assertFalse(msg, result.isPresent()); + } + + private static void assertUnreachable(String msg, + Optional<RevCommit> result) { + assertTrue(msg, result.isPresent()); + } + +} |