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/*
* Copyright (C) 2012, Christian Halstrick <christian.halstrick@sap.com> 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.internal.storage.file;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.time.Instant;
import java.util.Collections;
import org.eclipse.jgit.junit.TestRepository.BranchBuilder;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.revwalk.RevBlob;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevTree;
import org.junit.Test;
public class GcPruneNonReferencedTest extends GcTestCase {
@Test
public void nonReferencedNonExpiredObject_notPruned() throws Exception {
RevBlob a = tr.blob("a");
gc.setExpire(Instant.ofEpochMilli(lastModified(a)));
gc.prune(Collections.<ObjectId> emptySet());
assertTrue(repo.getObjectDatabase().has(a));
}
@Test
public void nonReferencedExpiredObject_pruned() throws Exception {
RevBlob a = tr.blob("a");
gc.setExpireAgeMillis(0);
fsTick();
gc.prune(Collections.<ObjectId> emptySet());
assertFalse(repo.getObjectDatabase().has(a));
}
@Test
public void nonReferencedExpiredObjectTree_pruned() throws Exception {
RevBlob a = tr.blob("a");
RevTree t = tr.tree(tr.file("a", a));
gc.setExpireAgeMillis(0);
fsTick();
gc.prune(Collections.<ObjectId> emptySet());
assertFalse(repo.getObjectDatabase().has(t));
assertFalse(repo.getObjectDatabase().has(a));
}
@Test
public void nonReferencedObjects_onlyExpiredPruned() throws Exception {
RevBlob a = tr.blob("a");
gc.setExpire(Instant.ofEpochMilli(lastModified(a) + 1));
fsTick();
RevBlob b = tr.blob("b");
gc.prune(Collections.<ObjectId> emptySet());
assertFalse(repo.getObjectDatabase().has(a));
assertTrue(repo.getObjectDatabase().has(b));
}
@Test
public void testPackCommitsAndLooseOneWithPruneNow() throws Exception {
BranchBuilder bb = tr.branch("refs/heads/master");
RevCommit first = bb.commit().add("A", "A").add("B", "B").create();
bb.commit().add("A", "A2").add("B", "B2").create();
tr.update("refs/heads/master", first);
stats = gc.getStatistics();
assertEquals(8, stats.numberOfLooseObjects);
assertEquals(0, stats.numberOfPackedObjects);
gc.setExpireAgeMillis(0);
fsTick();
gc.gc().get();
stats = gc.getStatistics();
assertNoEmptyFanoutDirectories();
assertEquals(0, stats.numberOfLooseObjects);
assertEquals(8, stats.numberOfPackedObjects);
assertEquals(2, stats.numberOfPackFiles);
}
private void assertNoEmptyFanoutDirectories() {
File[] fanout = repo.getObjectsDirectory().listFiles();
assertNotNull(fanout);
for (File f : fanout) {
if (f.isDirectory()) {
String[] entries = f.list();
if (entries == null || entries.length == 0) {
assertFalse(
"Found empty fanout directory "
+ f.getAbsolutePath() + " after pruning",
f.getName().length() == 2);
}
}
}
}
}
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