| /* |
| * 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.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_BUILD_BITMAPS; |
| import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_PACK_KEPT_OBJECTS; |
| import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_PACK_SECTION; |
| import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_REPACK_SECTION; |
| 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.util.Iterator; |
| |
| import org.eclipse.jgit.internal.storage.file.PackIndex.MutableEntry; |
| import org.eclipse.jgit.internal.storage.pack.PackExt; |
| import org.eclipse.jgit.junit.TestRepository.BranchBuilder; |
| import org.eclipse.jgit.lib.Config; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.storage.pack.PackConfig; |
| import org.junit.Test; |
| |
| public class GcKeepFilesTest extends GcTestCase { |
| private static final int COMMIT_AND_TREE_OBJECTS = 2; |
| |
| @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().get(); |
| stats = gc.getStatistics(); |
| assertEquals(0, stats.numberOfLooseObjects); |
| assertEquals(4, stats.numberOfPackedObjects); |
| assertEquals(1, stats.numberOfPackFiles); |
| |
| Iterator<Pack> packIt = repo.getObjectDatabase().getPacks() |
| .iterator(); |
| Pack singlePack = packIt.next(); |
| assertFalse(packIt.hasNext()); |
| PackFile keepFile = singlePack.getPackFile().create(PackExt.KEEP); |
| 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); |
| PackFile bitmapFile = singlePack.getPackFile().create(PackExt.BITMAP_INDEX); |
| assertTrue(keepFile.exists()); |
| assertTrue(bitmapFile.delete()); |
| gc.setPackKeptObjects(false); |
| gc.gc().get(); |
| stats = gc.getStatistics(); |
| assertEquals(0, stats.numberOfLooseObjects); |
| assertEquals(8, stats.numberOfPackedObjects); |
| assertEquals(2, stats.numberOfPackFiles); |
| assertEquals(1, stats.numberOfBitmaps); |
| |
| // check that no object is packed twice |
| Iterator<Pack> 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())); |
| } |
| |
| @Test |
| public void testKeptObjectsAreIncludedByDefault() throws Exception { |
| testKeptObjectsAreIncluded(); |
| } |
| |
| @Test |
| public void testKeptObjectsAreIncludedByDefaultWhenBuildBitmapsIsTrue() |
| throws Exception { |
| PackConfig packConfig = new PackConfig(); |
| Config repoConfig = repo.getObjectDatabase().getConfig(); |
| repoConfig.setBoolean(CONFIG_PACK_SECTION, null, |
| CONFIG_KEY_BUILD_BITMAPS, true); |
| packConfig.fromConfig(repoConfig); |
| gc.setPackConfig(packConfig); |
| |
| testKeptObjectsAreIncluded(); |
| } |
| |
| @Test |
| public void testKeptObjectsAreIncludedWhenPackKeptObjectsIsFalseButOverriddenViaCommandLine() |
| throws Exception { |
| PackConfig packConfig = new PackConfig(); |
| packConfig.setPackKeptObjects(false); |
| gc.setPackConfig(packConfig); |
| gc.setPackKeptObjects(true); |
| |
| testKeptObjectsAreIncluded(); |
| } |
| |
| @Test |
| public void testKeptObjectsAreNotIncludedByDefaultWhenBuildBitmapsIsFalse() |
| throws Exception { |
| PackConfig packConfig = new PackConfig(); |
| packConfig.setBuildBitmaps(false); |
| gc.setPackConfig(packConfig); |
| |
| testKeptObjectsAreNotIncluded(); |
| } |
| |
| @Test |
| public void testKeptObjectsAreIncludedWhenBuildBitmapsIsFalseButPackKeptObjectsIsTrue() |
| throws Exception { |
| PackConfig packConfig = new PackConfig(); |
| Config repoConfig = repo.getObjectDatabase().getConfig(); |
| repoConfig.setBoolean(CONFIG_PACK_SECTION, null, |
| CONFIG_KEY_BUILD_BITMAPS, false); |
| repoConfig.setBoolean(CONFIG_REPACK_SECTION, null, |
| CONFIG_KEY_PACK_KEPT_OBJECTS, true); |
| packConfig.fromConfig(repoConfig); |
| gc.setPackConfig(packConfig); |
| |
| testKeptObjectsAreIncluded(); |
| } |
| |
| @Test |
| public void testKeptObjectsAreNotIncludedWhenPackKeptObjectsIsTrueButOverriddenViaCommandLine() |
| throws Exception { |
| PackConfig packConfig = new PackConfig(); |
| packConfig.setPackKeptObjects(true); |
| gc.setPackConfig(packConfig); |
| gc.setPackKeptObjects(false); |
| |
| testKeptObjectsAreNotIncluded(); |
| } |
| |
| @Test |
| public void testKeptObjectsAreNotIncludedWhenPackKeptObjectsConfigIsFalse() |
| throws Exception { |
| PackConfig packConfig = new PackConfig(); |
| packConfig.setPackKeptObjects(false); |
| gc.setPackConfig(packConfig); |
| |
| testKeptObjectsAreNotIncluded(); |
| } |
| |
| private void testKeptObjectsAreIncluded() throws Exception { |
| BranchBuilder bb = tr.branch("refs/heads/master"); |
| ObjectId commitObjectInLockedPack = bb.commit().create().toObjectId(); |
| gc.gc(); |
| stats = gc.getStatistics(); |
| assertEquals(COMMIT_AND_TREE_OBJECTS, stats.numberOfPackedObjects); |
| assertEquals(1, stats.numberOfPackFiles); |
| assertTrue(getSinglePack().getPackFile().create(PackExt.KEEP) |
| .createNewFile()); |
| |
| bb.commit().create(); |
| gc.gc(); |
| stats = gc.getStatistics(); |
| assertEquals(2 * COMMIT_AND_TREE_OBJECTS + 1, |
| stats.numberOfPackedObjects); |
| assertEquals(2, stats.numberOfPackFiles); |
| |
| PackIndex lockedPackIdx = null; |
| PackIndex newPackIdx = null; |
| for (Pack pack : repo.getObjectDatabase().getPacks()) { |
| if (pack.getObjectCount() == COMMIT_AND_TREE_OBJECTS) { |
| lockedPackIdx = pack.getIndex(); |
| } else { |
| newPackIdx = pack.getIndex(); |
| } |
| } |
| assertNotNull(lockedPackIdx); |
| assertTrue(lockedPackIdx.hasObject(commitObjectInLockedPack)); |
| assertNotNull(newPackIdx); |
| assertTrue(newPackIdx.hasObject(commitObjectInLockedPack)); |
| } |
| |
| private void testKeptObjectsAreNotIncluded() throws Exception { |
| BranchBuilder bb = tr.branch("refs/heads/master"); |
| ObjectId commitObjectInLockedPack = bb.commit().create().toObjectId(); |
| gc.gc(); |
| stats = gc.getStatistics(); |
| assertEquals(COMMIT_AND_TREE_OBJECTS, stats.numberOfPackedObjects); |
| assertEquals(1, stats.numberOfPackFiles); |
| assertTrue(getSinglePack().getPackFile().create(PackExt.KEEP) |
| .createNewFile()); |
| |
| bb.commit().create(); |
| gc.gc(); |
| stats = gc.getStatistics(); |
| assertEquals(COMMIT_AND_TREE_OBJECTS + 1, stats.numberOfPackedObjects); |
| assertEquals(2, stats.numberOfPackFiles); |
| |
| PackIndex lockedPackIdx = null; |
| PackIndex newPackIdx = null; |
| for (Pack pack : repo.getObjectDatabase().getPacks()) { |
| if (pack.getObjectCount() == COMMIT_AND_TREE_OBJECTS) { |
| lockedPackIdx = pack.getIndex(); |
| } else { |
| newPackIdx = pack.getIndex(); |
| } |
| } |
| assertNotNull(lockedPackIdx); |
| assertTrue(lockedPackIdx.hasObject(commitObjectInLockedPack)); |
| assertNotNull(newPackIdx); |
| assertFalse(newPackIdx.hasObject(commitObjectInLockedPack)); |
| } |
| |
| private Pack getSinglePack() { |
| Iterator<Pack> packIt = repo.getObjectDatabase().getPacks().iterator(); |
| Pack singlePack = packIt.next(); |
| assertFalse(packIt.hasNext()); |
| return singlePack; |
| } |
| } |