| /* |
| * Copyright (C) 2017, Google Inc. |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.eclipse.jgit.internal.storage.dfs; |
| |
| import static org.eclipse.jgit.internal.storage.dfs.DfsObjDatabase.PackSource.COMPACT; |
| import static org.eclipse.jgit.internal.storage.dfs.DfsObjDatabase.PackSource.INSERT; |
| import static org.eclipse.jgit.internal.storage.pack.PackExt.PACK; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| |
| import org.eclipse.jgit.junit.TestRepository; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class DfsPackCompacterTest { |
| private TestRepository<InMemoryRepository> git; |
| private InMemoryRepository repo; |
| private DfsObjDatabase odb; |
| |
| @Before |
| public void setUp() throws IOException { |
| DfsRepositoryDescription desc = new DfsRepositoryDescription("test"); |
| git = new TestRepository<>(new InMemoryRepository(desc)); |
| repo = git.getRepository(); |
| odb = repo.getObjectDatabase(); |
| } |
| |
| @Test |
| public void testEstimateCompactPackSizeInNewRepo() throws Exception { |
| RevCommit commit0 = commit().message("0").create(); |
| RevCommit commit1 = commit().message("1").parent(commit0).create(); |
| git.update("master", commit1); |
| |
| // Packs start out as INSERT. |
| long inputPacksSize = 32; |
| assertEquals(2, odb.getPacks().length); |
| for (DfsPackFile pack : odb.getPacks()) { |
| assertEquals(INSERT, pack.getPackDescription().getPackSource()); |
| inputPacksSize += pack.getPackDescription().getFileSize(PACK) - 32; |
| } |
| |
| compact(); |
| |
| // INSERT packs are compacted into a single COMPACT pack. |
| assertEquals(1, odb.getPacks().length); |
| DfsPackFile pack = odb.getPacks()[0]; |
| assertEquals(COMPACT, pack.getPackDescription().getPackSource()); |
| assertEquals(inputPacksSize, |
| pack.getPackDescription().getEstimatedPackSize()); |
| } |
| |
| @Test |
| public void testEstimateGcPackSizeWithAnExistingGcPack() throws Exception { |
| RevCommit commit0 = commit().message("0").create(); |
| RevCommit commit1 = commit().message("1").parent(commit0).create(); |
| git.update("master", commit1); |
| |
| compact(); |
| |
| RevCommit commit2 = commit().message("2").parent(commit1).create(); |
| git.update("master", commit2); |
| |
| // There will be one INSERT pack and one COMPACT pack. |
| assertEquals(2, odb.getPacks().length); |
| boolean compactPackFound = false; |
| boolean insertPackFound = false; |
| long inputPacksSize = 32; |
| for (DfsPackFile pack : odb.getPacks()) { |
| DfsPackDescription packDescription = pack.getPackDescription(); |
| if (packDescription.getPackSource() == COMPACT) { |
| compactPackFound = true; |
| } |
| if (packDescription.getPackSource() == INSERT) { |
| insertPackFound = true; |
| } |
| inputPacksSize += packDescription.getFileSize(PACK) - 32; |
| } |
| assertTrue(compactPackFound); |
| assertTrue(insertPackFound); |
| |
| compact(); |
| |
| // INSERT pack is combined into the COMPACT pack. |
| DfsPackFile pack = odb.getPacks()[0]; |
| assertEquals(COMPACT, pack.getPackDescription().getPackSource()); |
| assertEquals(inputPacksSize, |
| pack.getPackDescription().getEstimatedPackSize()); |
| } |
| |
| private TestRepository<InMemoryRepository>.CommitBuilder commit() { |
| return git.commit(); |
| } |
| |
| private void compact() throws IOException { |
| DfsPackCompactor compactor = new DfsPackCompactor(repo); |
| compactor.autoAdd(); |
| compactor.compact(null); |
| odb.clearCache(); |
| } |
| } |