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Add some tests for alternates

Change-Id: I00d256d0e132c0b5ff02ff27a26fbf21ecc1bccd
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
stable-4.8
Matthias Sohn 8 years ago committed by David Pursehouse
parent
commit
fac16fe16a
  1. 149
      org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/AlternatesTest.java

149
org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/AlternatesTest.java

@ -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));
}
}
}
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