| /* |
| * 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 java.io.IOException; |
| |
| import org.eclipse.jgit.internal.storage.file.GC.RepoStatistics; |
| import org.eclipse.jgit.junit.LocalDiskRepositoryTestCase; |
| import org.eclipse.jgit.junit.RepositoryTestCase; |
| import org.eclipse.jgit.junit.TestRepository; |
| import org.eclipse.jgit.junit.TestRepository.CommitBuilder; |
| import org.eclipse.jgit.lib.AnyObjectId; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.revwalk.RevWalk; |
| import org.junit.After; |
| import org.junit.Before; |
| |
| public abstract class GcTestCase extends LocalDiskRepositoryTestCase { |
| protected TestRepository<FileRepository> tr; |
| protected FileRepository repo; |
| protected GC gc; |
| protected RepoStatistics stats; |
| |
| @Override |
| @Before |
| public void setUp() throws Exception { |
| super.setUp(); |
| repo = createWorkRepository(); |
| tr = new TestRepository<>(repo, new RevWalk(repo), |
| mockSystemReader); |
| gc = new GC(repo); |
| } |
| |
| @Override |
| @After |
| public void tearDown() throws Exception { |
| super.tearDown(); |
| } |
| |
| /** |
| * Create a chain of commits of given depth. |
| * <p> |
| * Each commit contains one file named "a" containing the index of the |
| * commit in the chain as its content. The created commit chain is |
| * referenced from any ref. |
| * <p> |
| * A chain of depth = N will create 3*N objects in Gits object database. For |
| * each depth level three objects are created: the commit object, the |
| * top-level tree object and a blob for the content of the file "a". |
| * |
| * @param depth |
| * the depth of the commit chain. |
| * @return the commit that is the tip of the commit chain |
| * @throws Exception |
| */ |
| protected RevCommit commitChain(int depth) throws Exception { |
| if (depth <= 0) |
| throw new IllegalArgumentException("Chain depth must be > 0"); |
| CommitBuilder cb = tr.commit(); |
| RevCommit tip; |
| do { |
| --depth; |
| tip = cb.add("a", "" + depth).message("" + depth).create(); |
| cb = cb.child(); |
| } while (depth > 0); |
| return tip; |
| } |
| |
| /** |
| * Create a chain of commits of given depth with given number of added files |
| * per commit. |
| * <p> |
| * Each commit contains {@code files} files as its content. The created |
| * commit chain is referenced from any ref. |
| * <p> |
| * A chain will create {@code (2 + files) * depth} objects in Gits object |
| * database. For each depth level the following objects are created: the |
| * commit object, the top-level tree object and @code files} blobs for the |
| * content of the file "a". |
| * |
| * @param depth |
| * the depth of the commit chain. |
| * @param width |
| * number of files added per commit |
| * @return the commit that is the tip of the commit chain |
| * @throws Exception |
| */ |
| protected RevCommit commitChain(int depth, int width) throws Exception { |
| if (depth <= 0) { |
| throw new IllegalArgumentException("Chain depth must be > 0"); |
| } |
| if (width <= 0) { |
| throw new IllegalArgumentException("Number of files per commit must be > 0"); |
| } |
| CommitBuilder cb = tr.commit(); |
| RevCommit tip = null; |
| do { |
| --depth; |
| for (int i=0; i < width; i++) { |
| String id = depth + "-" + i; |
| cb.add("a" + id, id).message(id); |
| } |
| tip = cb.create(); |
| cb = cb.child(); |
| } while (depth > 0); |
| return tip; |
| } |
| |
| protected long lastModified(AnyObjectId objectId) { |
| return repo.getFS() |
| .lastModifiedInstant(repo.getObjectDatabase().fileFor(objectId)) |
| .toEpochMilli(); |
| } |
| |
| protected static void fsTick() throws InterruptedException, IOException { |
| RepositoryTestCase.fsTick(null); |
| } |
| } |