| /* |
| * 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 com.google.gitiles; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| import java.util.Set; |
| import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription; |
| import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository; |
| import org.eclipse.jgit.junit.TestRepository; |
| import org.eclipse.jgit.lib.Config; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.revwalk.RevWalk; |
| import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException; |
| import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| @RunWith(JUnit4.class) |
| public class VisibilityCacheTest { |
| |
| private InMemoryRepository repo; |
| private GitilesAccess access = new FakeGitilesAccess(); |
| |
| private RevCommit baseCommit; |
| private RevCommit commit1; |
| private RevCommit commit2; |
| private RevCommit commitA; |
| private RevCommit commitB; |
| private RevCommit commitC; |
| |
| private VisibilityCache visibilityCache; |
| private RevWalk walk; |
| |
| @Before |
| public void setUp() throws Exception { |
| /** |
| * |
| * |
| * <pre> |
| * commitC |
| * | |
| * commit2 commitB |
| * | | |
| * commit1 commitA <--- refs/tags/v0.1 |
| * \ / |
| * \ / |
| * baseCommit |
| * </pre> |
| */ |
| repo = new InMemoryRepository(new DfsRepositoryDescription()); |
| try (TestRepository<InMemoryRepository> git = new TestRepository<>(repo)) { |
| baseCommit = git.commit().message("baseCommit").create(); |
| commit1 = git.commit().parent(baseCommit).message("commit1").create(); |
| commit2 = git.commit().parent(commit1).message("commit2").create(); |
| |
| commitA = git.commit().parent(baseCommit).message("commitA").create(); |
| commitB = git.commit().parent(commitA).message("commitB").create(); |
| commitC = git.commit().parent(commitB).message("commitC").create(); |
| |
| git.update("master", commit2); |
| git.update("refs/tags/v0.1", commitA); |
| } |
| |
| visibilityCache = new VisibilityCache(true); |
| walk = new RevWalk(repo); |
| walk.setRetainBody(false); |
| } |
| |
| @After |
| public void tearDown() { |
| repo.close(); |
| } |
| |
| @Test |
| public void isTip() throws IOException { |
| ObjectId[] known = new ObjectId[0]; |
| assertThat(visibilityCache.isVisible(repo, walk, access, commit2.getId(), known)).isTrue(); |
| } |
| |
| @Test |
| public void reachableFromHeads() throws Exception { |
| ObjectId[] known = new ObjectId[0]; |
| assertThat(visibilityCache.isVisible(repo, walk, access, commit1.getId(), known)).isTrue(); |
| } |
| |
| @Test |
| public void reachableFromTags() throws Exception { |
| ObjectId[] known = new ObjectId[0]; |
| assertThat(visibilityCache.isVisible(repo, walk, access, commitA.getId(), known)).isTrue(); |
| } |
| |
| @Test |
| public void unreachableFromAnyTip() throws Exception { |
| ObjectId[] known = new ObjectId[0]; |
| assertThat(visibilityCache.isVisible(repo, walk, access, commitB.getId(), known)).isFalse(); |
| } |
| |
| @Test |
| public void reachableFromAnotherId() throws Exception { |
| ObjectId[] known = new ObjectId[] {commitC.getId()}; |
| assertThat(visibilityCache.isVisible(repo, walk, access, commitB.getId(), known)).isTrue(); |
| } |
| |
| private static class FakeGitilesAccess implements GitilesAccess { |
| @Override |
| public Map<String, RepositoryDescription> listRepositories(String prefix, Set<String> branches) |
| throws ServiceNotEnabledException, ServiceNotAuthorizedException, IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public Object getUserKey() { |
| return "Test"; |
| } |
| |
| @Override |
| public String getRepositoryName() { |
| return "VisibilityCache-Test"; |
| } |
| |
| @Override |
| public RepositoryDescription getRepositoryDescription() throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public Config getConfig() throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| } |
| } |