|
|
@@ -0,0 +1,149 @@ |
|
|
|
/* |
|
|
|
* 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)); |
|
|
|
} |
|
|
|
} |
|
|
|
} |