| /* |
| * Copyright (C) 2018 Ericsson |
| * 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.file; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.nio.file.attribute.FileTime; |
| import java.time.Instant; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class GcDeleteEmptyRefsFoldersTest extends GcTestCase { |
| private static final String REF_FOLDER_01 = "A/B/01"; |
| private static final String REF_FOLDER_02 = "C/D/02"; |
| |
| private Path refsDir; |
| private Path heads; |
| |
| @Override |
| @Before |
| public void setUp() throws Exception { |
| super.setUp(); |
| refsDir = Paths.get(repo.getDirectory().getAbsolutePath()) |
| .resolve("refs"); |
| heads = refsDir.resolve("heads"); |
| } |
| |
| @Test |
| public void emptyRefFoldersAreDeleted() throws Exception { |
| FileTime fileTime = FileTime.from(Instant.now().minusSeconds(31)); |
| Path refDir01 = Files.createDirectories(heads.resolve(REF_FOLDER_01)); |
| Path refDir02 = Files.createDirectories(heads.resolve(REF_FOLDER_02)); |
| setLastModifiedTime(fileTime, heads, REF_FOLDER_01); |
| setLastModifiedTime(fileTime, heads, REF_FOLDER_02); |
| assertTrue(refDir01.toFile().exists()); |
| assertTrue(refDir02.toFile().exists()); |
| gc.gc(); |
| |
| assertFalse(refDir01.toFile().exists()); |
| assertFalse(refDir01.getParent().toFile().exists()); |
| assertFalse(refDir01.getParent().getParent().toFile().exists()); |
| assertFalse(refDir02.toFile().exists()); |
| assertFalse(refDir02.getParent().toFile().exists()); |
| assertFalse(refDir02.getParent().getParent().toFile().exists()); |
| } |
| |
| @Test |
| public void emptyRefFoldersSkipFiles() throws Exception { |
| FileTime fileTime = FileTime.from(Instant.now().minusSeconds(31)); |
| Path refFile = Files.createFile(refsDir.resolve(".DS_Store")); |
| Path refDir01 = Files.createDirectories(heads.resolve(REF_FOLDER_01)); |
| Path refDir02 = Files.createDirectories(heads.resolve(REF_FOLDER_02)); |
| setLastModifiedTime(fileTime, heads, REF_FOLDER_01); |
| setLastModifiedTime(fileTime, heads, REF_FOLDER_02); |
| assertTrue(refDir01.toFile().exists()); |
| assertTrue(refDir02.toFile().exists()); |
| gc.gc(); |
| assertTrue(Files.exists(refFile)); |
| } |
| |
| private void setLastModifiedTime(FileTime fileTime, Path path, String folder) throws IOException { |
| long numParents = folder.chars().filter(c -> c == '/').count(); |
| Path folderPath = path.resolve(folder); |
| for(int folderLevel = 0; folderLevel <= numParents; folderLevel ++ ) { |
| Files.setLastModifiedTime(folderPath, fileTime); |
| folderPath = folderPath.getParent(); |
| } |
| } |
| |
| @Test |
| public void emptyRefFoldersAreKeptIfTheyAreTooRecent() |
| throws Exception { |
| Path refDir01 = Files.createDirectories(heads.resolve(REF_FOLDER_01)); |
| Path refDir02 = Files.createDirectories(heads.resolve(REF_FOLDER_02)); |
| assertTrue(refDir01.toFile().exists()); |
| assertTrue(refDir02.toFile().exists()); |
| gc.gc(); |
| |
| assertTrue(refDir01.toFile().exists()); |
| assertTrue(refDir02.toFile().exists()); |
| } |
| |
| @Test |
| public void nonEmptyRefsFoldersAreKept() throws Exception { |
| Path refDir01 = Files.createDirectories(heads.resolve(REF_FOLDER_01)); |
| Path refDir02 = Files.createDirectories(heads.resolve(REF_FOLDER_02)); |
| Path ref01 = Files.createFile(refDir01.resolve("ref01")); |
| Path ref02 = Files.createFile(refDir01.resolve("ref02")); |
| assertTrue(refDir01.toFile().exists()); |
| assertTrue(refDir02.toFile().exists()); |
| assertTrue(ref01.toFile().exists()); |
| assertTrue(ref02.toFile().exists()); |
| gc.gc(); |
| assertTrue(refDir01.toFile().exists()); |
| assertTrue(refDir02.toFile().exists()); |
| assertTrue(ref01.toFile().exists()); |
| assertTrue(ref02.toFile().exists()); |
| } |
| } |