Add some tests for alternates
Change-Id: I00d256d0e132c0b5ff02ff27a26fbf21ecc1bccd Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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/*
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* Copyright (C) 2017, Matthias Sohn <matthias.sohn@sap.com>
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* and other copyright owners as documented in the project's IP log.
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*
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* This program and the accompanying materials are made available
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* under the terms of the Eclipse Distribution License v1.0 which
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* accompanies this distribution, is reproduced below, and is
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* available at http://www.eclipse.org/org/documents/edl-v10.php
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* - Neither the name of the Eclipse Foundation, Inc. nor the
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* names of its contributors may be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.eclipse.jgit.internal.storage.file;
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import static org.junit.Assert.assertTrue;
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import java.io.File;
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import java.io.IOException;
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import java.nio.file.Path;
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import org.eclipse.jgit.api.Git;
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import org.eclipse.jgit.api.errors.AbortedByHookException;
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import org.eclipse.jgit.api.errors.ConcurrentRefUpdateException;
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import org.eclipse.jgit.api.errors.GitAPIException;
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import org.eclipse.jgit.api.errors.NoFilepatternException;
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import org.eclipse.jgit.api.errors.NoHeadException;
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import org.eclipse.jgit.api.errors.NoMessageException;
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import org.eclipse.jgit.api.errors.UnmergedPathsException;
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import org.eclipse.jgit.api.errors.WrongRepositoryStateException;
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import org.eclipse.jgit.junit.JGitTestUtil;
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import org.eclipse.jgit.lib.ObjectId;
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import org.eclipse.jgit.revwalk.RevCommit;
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import org.eclipse.jgit.test.resources.SampleDataRepositoryTestCase;
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import org.junit.Test;
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public class AlternatesTest extends SampleDataRepositoryTestCase {
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private FileRepository db2;
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@Override
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public void setUp() throws Exception {
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super.setUp();
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db2 = createWorkRepository();
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}
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private void setAlternate(FileRepository from, FileRepository to)
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throws IOException {
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File alt = new File(from.getObjectDatabase().getDirectory(),
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"info/alternates");
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alt.getParentFile().mkdirs();
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File fromDir = from.getObjectDatabase().getDirectory();
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File toDir = to.getObjectDatabase().getDirectory();
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Path relative = fromDir.toPath().relativize(toDir.toPath());
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write(alt, relative.toString() + "\n");
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}
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@Test
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public void testAlternate() throws Exception {
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setAlternate(db2, db);
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RevCommit c = createCommit();
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assertCommit(c);
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assertAlternateObjects(db2);
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}
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@Test
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public void testAlternateCyclic2() throws Exception {
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setAlternate(db2, db);
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setAlternate(db, db2);
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RevCommit c = createCommit();
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assertCommit(c);
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assertAlternateObjects(db2);
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}
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@Test
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public void testAlternateCyclic3() throws Exception {
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FileRepository db3 = createBareRepository();
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setAlternate(db2, db3);
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setAlternate(db3, db);
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setAlternate(db, db2);
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RevCommit c = createCommit();
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assertCommit(c);
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assertAlternateObjects(db2);
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}
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private RevCommit createCommit() throws IOException, GitAPIException,
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NoFilepatternException, NoHeadException, NoMessageException,
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UnmergedPathsException, ConcurrentRefUpdateException,
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WrongRepositoryStateException, AbortedByHookException {
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JGitTestUtil.writeTrashFile(db, "test", "test");
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Git git = Git.wrap(db2);
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git.add().addFilepattern("test").call();
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RevCommit c = git.commit().setMessage("adding test").call();
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return c;
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}
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private void assertCommit(RevCommit c) {
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ObjectDirectory od = db2.getObjectDatabase();
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assertTrue("can't find expected commit" + c.name(),
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od.has(c.toObjectId()));
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}
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private void assertAlternateObjects(FileRepository repo) {
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// check some objects in alternate
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final ObjectId alternateObjects[] = new ObjectId[] {
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ObjectId.fromString("49322bb17d3acc9146f98c97d078513228bbf3c0"),
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ObjectId.fromString("d0114ab8ac326bab30e3a657a0397578c5a1af88"),
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ObjectId.fromString("f73b95671f326616d66b2afb3bdfcdbbce110b44"),
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ObjectId.fromString("6020a3b8d5d636e549ccbd0c53e2764684bb3125"),
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ObjectId.fromString("0a3d7772488b6b106fb62813c4d6d627918d9181"),
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ObjectId.fromString("da0f8ed91a8f2f0f067b3bdf26265d5ca48cf82c"),
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ObjectId.fromString(
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"cd4bcfc27da62c6b840de700be1c60a7e69952a5") };
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ObjectDirectory od = repo.getObjectDatabase();
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for (ObjectId o : alternateObjects) {
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assertTrue(String.format("can't find object %s in alternate",
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o.getName()), od.has(o));
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}
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}
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}
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