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/*
* Copyright (C) 2016 Google Inc.
* 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.reftree;
import static org.eclipse.jgit.lib.Constants.HEAD;
import static org.eclipse.jgit.lib.Constants.MASTER;
import static org.eclipse.jgit.lib.Constants.ORIG_HEAD;
import static org.eclipse.jgit.lib.Constants.R_HEADS;
import static org.eclipse.jgit.lib.RefDatabase.ALL;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import java.io.File;
import java.io.IOException;
import java.util.List;
import org.eclipse.jgit.internal.storage.file.FileRepository;
import org.eclipse.jgit.junit.LocalDiskRepositoryTestCase;
import org.eclipse.jgit.junit.TestRepository;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.RefDatabase;
import org.eclipse.jgit.lib.RefUpdate;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.storage.file.FileBasedConfig;
import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
import org.junit.Before;
import org.junit.Test;
public class LocalDiskRefTreeDatabaseTest extends LocalDiskRepositoryTestCase {
private FileRepository repo;
private RefTreeDatabase refdb;
private RefDatabase bootstrap;
private TestRepository<FileRepository> testRepo;
private RevCommit A;
private RevCommit B;
@Override
@Before
public void setUp() throws Exception {
FileRepository init = createWorkRepository();
FileBasedConfig cfg = init.getConfig();
cfg.setInt("core", null, "repositoryformatversion", 1);
cfg.setString("extensions", null, "refStorage", "reftree");
cfg.save();
repo = (FileRepository) new FileRepositoryBuilder()
.setGitDir(init.getDirectory())
.build();
refdb = (RefTreeDatabase) repo.getRefDatabase();
bootstrap = refdb.getBootstrap();
addRepoToClose(repo);
RefUpdate head = refdb.newUpdate(HEAD, true);
head.link(R_HEADS + MASTER);
testRepo = new TestRepository<>(init);
A = testRepo.commit().create();
B = testRepo.commit(testRepo.getRevWalk().parseCommit(A));
}
@Test
public void testHeadOrigHead() throws IOException {
RefUpdate master = refdb.newUpdate(HEAD, false);
master.setExpectedOldObjectId(ObjectId.zeroId());
master.setNewObjectId(A);
assertEquals(RefUpdate.Result.NEW, master.update());
assertEquals(A, refdb.exactRef(HEAD).getObjectId());
RefUpdate orig = refdb.newUpdate(ORIG_HEAD, true);
orig.setNewObjectId(B);
assertEquals(RefUpdate.Result.NEW, orig.update());
File origFile = new File(repo.getDirectory(), ORIG_HEAD);
assertEquals(B.name() + '\n', read(origFile));
assertEquals(B, bootstrap.exactRef(ORIG_HEAD).getObjectId());
assertEquals(B, refdb.exactRef(ORIG_HEAD).getObjectId());
assertFalse(refdb.getRefs(ALL).containsKey(ORIG_HEAD));
List<Ref> addl = refdb.getAdditionalRefs();
assertEquals(2, addl.size());
assertEquals(ORIG_HEAD, addl.get(1).getName());
assertEquals(B, addl.get(1).getObjectId());
}
}
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