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/*
* Copyright (C) 2020 Thomas Wolf <thomas.wolf@paranor.ch> and others.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.dircache;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.util.EnumSet;
import java.util.Set;
import org.eclipse.jgit.api.CloneCommand;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.ResetCommand.ResetType;
import org.eclipse.jgit.dircache.DirCache.DirCacheVersion;
import org.eclipse.jgit.junit.RepositoryTestCase;
import org.eclipse.jgit.lib.StoredConfig;
import org.eclipse.jgit.util.FileUtils;
import org.eclipse.jgit.util.SystemReader;
import org.junit.Test;
/**
* Tests for initial DirCache version after a clone or after a mixed or hard
* reset.
*/
public class DirCacheAfterCloneTest extends RepositoryTestCase {
@Override
public void setUp() throws Exception {
super.setUp();
try (Git git = new Git(db)) {
writeTrashFile("Test.txt", "Hello world");
git.add().addFilepattern("Test.txt").call();
git.commit().setMessage("Initial commit").call();
}
}
private DirCacheVersion cloneAndCheck(Set<DirCacheVersion> expected)
throws Exception {
File directory = createTempDirectory("testCloneRepository");
CloneCommand command = Git.cloneRepository();
command.setDirectory(directory);
command.setURI("file://" + db.getWorkTree().getAbsolutePath());
Git git2 = command.call();
addRepoToClose(git2.getRepository());
assertNotNull(git2);
DirCache dc = DirCache.read(git2.getRepository());
DirCacheVersion version = dc.getVersion();
assertTrue(expected.contains(version));
return version;
}
@Test
public void testCloneV3OrV2() throws Exception {
cloneAndCheck(EnumSet.of(DirCacheVersion.DIRC_VERSION_MINIMUM,
DirCacheVersion.DIRC_VERSION_EXTENDED));
}
@Test
public void testCloneV4() throws Exception {
StoredConfig cfg = SystemReader.getInstance().getUserConfig();
cfg.load();
cfg.setInt("index", null, "version", 4);
cfg.save();
cloneAndCheck(EnumSet.of(DirCacheVersion.DIRC_VERSION_PATHCOMPRESS));
}
@Test
public void testCloneV4manyFiles() throws Exception {
StoredConfig cfg = SystemReader.getInstance().getUserConfig();
cfg.load();
cfg.setBoolean("feature", null, "manyFiles", true);
cfg.save();
cloneAndCheck(EnumSet.of(DirCacheVersion.DIRC_VERSION_PATHCOMPRESS));
}
@Test
public void testCloneV3CommitNoVersionChange() throws Exception {
DirCacheVersion initial = cloneAndCheck(
EnumSet.of(DirCacheVersion.DIRC_VERSION_MINIMUM,
DirCacheVersion.DIRC_VERSION_EXTENDED));
StoredConfig cfg = db.getConfig();
cfg.setInt("index", null, "version", 4);
cfg.save();
try (Git git = new Git(db)) {
writeTrashFile("Test.txt2", "Hello again");
git.add().addFilepattern("Test.txt2").call();
git.commit().setMessage("Second commit").call();
}
assertEquals("DirCache version should be unchanged", initial,
DirCache.read(db).getVersion());
}
@Test
public void testCloneV3ResetHardVersionChange() throws Exception {
cloneAndCheck(EnumSet.of(DirCacheVersion.DIRC_VERSION_MINIMUM,
DirCacheVersion.DIRC_VERSION_EXTENDED));
StoredConfig cfg = db.getConfig();
cfg.setInt("index", null, "version", 4);
cfg.save();
FileUtils.delete(new File(db.getDirectory(), "index"));
try (Git git = new Git(db)) {
git.reset().setMode(ResetType.HARD).call();
}
assertEquals("DirCache version should have changed",
DirCacheVersion.DIRC_VERSION_PATHCOMPRESS,
DirCache.read(db).getVersion());
}
@Test
public void testCloneV3ResetMixedVersionChange() throws Exception {
cloneAndCheck(EnumSet.of(DirCacheVersion.DIRC_VERSION_MINIMUM,
DirCacheVersion.DIRC_VERSION_EXTENDED));
StoredConfig cfg = db.getConfig();
cfg.setInt("index", null, "version", 4);
cfg.save();
FileUtils.delete(new File(db.getDirectory(), "index"));
try (Git git = new Git(db)) {
git.reset().setMode(ResetType.MIXED).call();
}
assertEquals("DirCache version should have changed",
DirCacheVersion.DIRC_VERSION_PATHCOMPRESS,
DirCache.read(db).getVersion());
}
}
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