| /* |
| * 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.assertTrue; |
| |
| import java.io.File; |
| import java.util.Iterator; |
| |
| import org.eclipse.jgit.internal.storage.file.PackIndex.MutableEntry; |
| import org.eclipse.jgit.junit.TestRepository.BranchBuilder; |
| import org.junit.Test; |
| |
| public class GcKeepFilesTest extends GcTestCase { |
| @Test |
| public void testKeepFiles() throws Exception { |
| BranchBuilder bb = tr.branch("refs/heads/master"); |
| bb.commit().add("A", "A").add("B", "B").create(); |
| stats = gc.getStatistics(); |
| assertEquals(4, stats.numberOfLooseObjects); |
| assertEquals(0, stats.numberOfPackedObjects); |
| assertEquals(0, stats.numberOfPackFiles); |
| gc.gc(); |
| stats = gc.getStatistics(); |
| assertEquals(0, stats.numberOfLooseObjects); |
| assertEquals(4, stats.numberOfPackedObjects); |
| assertEquals(1, stats.numberOfPackFiles); |
| |
| Iterator<PackFile> packIt = repo.getObjectDatabase().getPacks() |
| .iterator(); |
| PackFile singlePack = packIt.next(); |
| assertFalse(packIt.hasNext()); |
| String packFileName = singlePack.getPackFile().getPath(); |
| String keepFileName = packFileName.substring(0, |
| packFileName.lastIndexOf('.')) + ".keep"; |
| File keepFile = new File(keepFileName); |
| assertFalse(keepFile.exists()); |
| assertTrue(keepFile.createNewFile()); |
| bb.commit().add("A", "A2").add("B", "B2").create(); |
| stats = gc.getStatistics(); |
| assertEquals(4, stats.numberOfLooseObjects); |
| assertEquals(4, stats.numberOfPackedObjects); |
| assertEquals(1, stats.numberOfPackFiles); |
| gc.gc(); |
| stats = gc.getStatistics(); |
| assertEquals(0, stats.numberOfLooseObjects); |
| assertEquals(8, stats.numberOfPackedObjects); |
| assertEquals(2, stats.numberOfPackFiles); |
| |
| // check that no object is packed twice |
| Iterator<PackFile> packs = repo.getObjectDatabase().getPacks() |
| .iterator(); |
| PackIndex ind1 = packs.next().getIndex(); |
| assertEquals(4, ind1.getObjectCount()); |
| PackIndex ind2 = packs.next().getIndex(); |
| assertEquals(4, ind2.getObjectCount()); |
| for (MutableEntry e: ind1) |
| if (ind2.hasObject(e.toObjectId())) |
| assertFalse( |
| "the following object is in both packfiles: " |
| + e.toObjectId(), |
| ind2.hasObject(e.toObjectId())); |
| } |
| } |