| /* |
| * Copyright (C) 2017, Matthias Sohn <matthias.sohn@sap.com> |
| * 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.internal.storage.file; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Path; |
| |
| import org.eclipse.jgit.api.Git; |
| import org.eclipse.jgit.api.errors.AbortedByHookException; |
| import org.eclipse.jgit.api.errors.ConcurrentRefUpdateException; |
| import org.eclipse.jgit.api.errors.GitAPIException; |
| import org.eclipse.jgit.api.errors.NoFilepatternException; |
| import org.eclipse.jgit.api.errors.NoHeadException; |
| import org.eclipse.jgit.api.errors.NoMessageException; |
| import org.eclipse.jgit.api.errors.UnmergedPathsException; |
| import org.eclipse.jgit.api.errors.WrongRepositoryStateException; |
| import org.eclipse.jgit.junit.JGitTestUtil; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.test.resources.SampleDataRepositoryTestCase; |
| import org.junit.Test; |
| |
| public class AlternatesTest extends SampleDataRepositoryTestCase { |
| |
| private FileRepository db2; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| db2 = createWorkRepository(); |
| } |
| |
| private void setAlternate(FileRepository from, FileRepository to) |
| throws IOException { |
| File alt = new File(from.getObjectDatabase().getDirectory(), |
| "info/alternates"); |
| alt.getParentFile().mkdirs(); |
| File fromDir = from.getObjectDatabase().getDirectory(); |
| File toDir = to.getObjectDatabase().getDirectory(); |
| Path relative = fromDir.toPath().relativize(toDir.toPath()); |
| write(alt, relative.toString() + "\n"); |
| } |
| |
| @Test |
| public void testAlternate() throws Exception { |
| setAlternate(db2, db); |
| RevCommit c = createCommit(); |
| assertCommit(c); |
| assertAlternateObjects(db2); |
| } |
| |
| @Test |
| public void testAlternateCyclic2() throws Exception { |
| setAlternate(db2, db); |
| setAlternate(db, db2); |
| RevCommit c = createCommit(); |
| assertCommit(c); |
| assertAlternateObjects(db2); |
| } |
| |
| @Test |
| public void testAlternateCyclic3() throws Exception { |
| FileRepository db3 = createBareRepository(); |
| setAlternate(db2, db3); |
| setAlternate(db3, db); |
| setAlternate(db, db2); |
| RevCommit c = createCommit(); |
| assertCommit(c); |
| assertAlternateObjects(db2); |
| } |
| |
| private RevCommit createCommit() throws IOException, GitAPIException, |
| NoFilepatternException, NoHeadException, NoMessageException, |
| UnmergedPathsException, ConcurrentRefUpdateException, |
| WrongRepositoryStateException, AbortedByHookException { |
| JGitTestUtil.writeTrashFile(db, "test", "test"); |
| Git git = Git.wrap(db2); |
| git.add().addFilepattern("test").call(); |
| RevCommit c = git.commit().setMessage("adding test").call(); |
| return c; |
| } |
| |
| private void assertCommit(RevCommit c) { |
| ObjectDirectory od = db2.getObjectDatabase(); |
| assertTrue("can't find expected commit" + c.name(), |
| od.has(c.toObjectId())); |
| } |
| |
| private void assertAlternateObjects(FileRepository repo) { |
| // check some objects in alternate |
| final ObjectId alternateObjects[] = new ObjectId[] { |
| ObjectId.fromString("49322bb17d3acc9146f98c97d078513228bbf3c0"), |
| ObjectId.fromString("d0114ab8ac326bab30e3a657a0397578c5a1af88"), |
| ObjectId.fromString("f73b95671f326616d66b2afb3bdfcdbbce110b44"), |
| ObjectId.fromString("6020a3b8d5d636e549ccbd0c53e2764684bb3125"), |
| ObjectId.fromString("0a3d7772488b6b106fb62813c4d6d627918d9181"), |
| ObjectId.fromString("da0f8ed91a8f2f0f067b3bdf26265d5ca48cf82c"), |
| ObjectId.fromString( |
| "cd4bcfc27da62c6b840de700be1c60a7e69952a5") }; |
| ObjectDirectory od = repo.getObjectDatabase(); |
| for (ObjectId o : alternateObjects) { |
| assertTrue(String.format("can't find object %s in alternate", |
| o.getName()), od.has(o)); |
| } |
| } |
| } |