| /* |
| * Copyright (C) 2017, Google Inc. 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.dfs; |
| |
| import static org.eclipse.jgit.junit.JGitTestUtil.concat; |
| import static org.eclipse.jgit.lib.Constants.OBJECT_ID_LENGTH; |
| import static org.eclipse.jgit.lib.Constants.encodeASCII; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.io.IOException; |
| |
| import org.eclipse.jgit.internal.fsck.FsckError; |
| import org.eclipse.jgit.internal.fsck.FsckError.CorruptObject; |
| import org.eclipse.jgit.junit.TestRepository; |
| import org.eclipse.jgit.lib.Constants; |
| import org.eclipse.jgit.lib.ObjectChecker.ErrorType; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.ObjectInserter; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class DfsFsckTest { |
| private TestRepository<InMemoryRepository> git; |
| |
| private InMemoryRepository repo; |
| |
| private ObjectInserter ins; |
| |
| @Before |
| public void setUp() throws IOException { |
| DfsRepositoryDescription desc = new DfsRepositoryDescription("test"); |
| git = new TestRepository<>(new InMemoryRepository(desc)); |
| repo = git.getRepository(); |
| ins = repo.newObjectInserter(); |
| } |
| |
| @Test |
| public void testHealthyRepo() throws Exception { |
| RevCommit commit0 = git.commit().message("0").create(); |
| RevCommit commit1 = git.commit().message("1").parent(commit0).create(); |
| git.update("master", commit1); |
| |
| DfsFsck fsck = new DfsFsck(repo); |
| FsckError errors = fsck.check(null); |
| |
| assertEquals(errors.getCorruptObjects().size(), 0); |
| assertEquals(errors.getMissingObjects().size(), 0); |
| assertEquals(errors.getCorruptIndices().size(), 0); |
| } |
| |
| @Test |
| public void testCommitWithCorruptAuthor() throws Exception { |
| StringBuilder b = new StringBuilder(); |
| b.append("tree be9bfa841874ccc9f2ef7c48d0c76226f89b7189\n"); |
| b.append("author b <b@c> <b@c> 0 +0000\n"); |
| b.append("committer <> 0 +0000\n"); |
| byte[] data = encodeASCII(b.toString()); |
| ObjectId id = ins.insert(Constants.OBJ_COMMIT, data); |
| ins.flush(); |
| |
| DfsFsck fsck = new DfsFsck(repo); |
| FsckError errors = fsck.check(null); |
| |
| assertEquals(errors.getCorruptObjects().size(), 1); |
| CorruptObject o = errors.getCorruptObjects().iterator().next(); |
| assertTrue(o.getId().equals(id)); |
| assertEquals(o.getErrorType(), ErrorType.BAD_DATE); |
| } |
| |
| @Test |
| public void testCommitWithoutTree() throws Exception { |
| StringBuilder b = new StringBuilder(); |
| b.append("parent "); |
| b.append("be9bfa841874ccc9f2ef7c48d0c76226f89b7189"); |
| b.append('\n'); |
| byte[] data = encodeASCII(b.toString()); |
| ObjectId id = ins.insert(Constants.OBJ_COMMIT, data); |
| ins.flush(); |
| |
| DfsFsck fsck = new DfsFsck(repo); |
| FsckError errors = fsck.check(null); |
| |
| assertEquals(errors.getCorruptObjects().size(), 1); |
| CorruptObject o = errors.getCorruptObjects().iterator().next(); |
| assertTrue(o.getId().equals(id)); |
| assertEquals(o.getErrorType(), ErrorType.MISSING_TREE); |
| } |
| |
| @Test |
| public void testTagWithoutObject() throws Exception { |
| StringBuilder b = new StringBuilder(); |
| b.append("type commit\n"); |
| b.append("tag test-tag\n"); |
| b.append("tagger A. U. Thor <author@localhost> 1 +0000\n"); |
| byte[] data = encodeASCII(b.toString()); |
| ObjectId id = ins.insert(Constants.OBJ_TAG, data); |
| ins.flush(); |
| |
| DfsFsck fsck = new DfsFsck(repo); |
| FsckError errors = fsck.check(null); |
| |
| assertEquals(errors.getCorruptObjects().size(), 1); |
| CorruptObject o = errors.getCorruptObjects().iterator().next(); |
| assertTrue(o.getId().equals(id)); |
| assertEquals(o.getErrorType(), ErrorType.MISSING_OBJECT); |
| } |
| |
| @Test |
| public void testTreeWithNullSha() throws Exception { |
| byte[] data = concat(encodeASCII("100644 A"), new byte[] { '\0' }, |
| new byte[OBJECT_ID_LENGTH]); |
| ObjectId id = ins.insert(Constants.OBJ_TREE, data); |
| ins.flush(); |
| |
| DfsFsck fsck = new DfsFsck(repo); |
| FsckError errors = fsck.check(null); |
| |
| assertEquals(errors.getCorruptObjects().size(), 1); |
| CorruptObject o = errors.getCorruptObjects().iterator().next(); |
| assertTrue(o.getId().equals(id)); |
| assertEquals(o.getErrorType(), ErrorType.NULL_SHA1); |
| } |
| |
| @Test |
| public void testMultipleInvalidObjects() throws Exception { |
| StringBuilder b = new StringBuilder(); |
| b.append("tree "); |
| b.append("be9bfa841874ccc9f2ef7c48d0c76226f89b7189"); |
| b.append('\n'); |
| b.append("parent "); |
| b.append("\n"); |
| byte[] data = encodeASCII(b.toString()); |
| ObjectId id1 = ins.insert(Constants.OBJ_COMMIT, data); |
| |
| b = new StringBuilder(); |
| b.append("100644"); |
| data = encodeASCII(b.toString()); |
| ObjectId id2 = ins.insert(Constants.OBJ_TREE, data); |
| |
| ins.flush(); |
| |
| DfsFsck fsck = new DfsFsck(repo); |
| FsckError errors = fsck.check(null); |
| |
| assertEquals(errors.getCorruptObjects().size(), 2); |
| for (CorruptObject o : errors.getCorruptObjects()) { |
| if (o.getId().equals(id1)) { |
| assertEquals(o.getErrorType(), ErrorType.BAD_PARENT_SHA1); |
| } else if (o.getId().equals(id2)) { |
| assertNull(o.getErrorType()); |
| } else { |
| fail(); |
| } |
| } |
| } |
| |
| @Test |
| public void testValidConnectivity() throws Exception { |
| ObjectId blobId = ins |
| .insert(Constants.OBJ_BLOB, Constants.encode("foo")); |
| |
| byte[] blobIdBytes = new byte[OBJECT_ID_LENGTH]; |
| blobId.copyRawTo(blobIdBytes, 0); |
| byte[] data = concat(encodeASCII("100644 regular-file\0"), blobIdBytes); |
| ObjectId treeId = ins.insert(Constants.OBJ_TREE, data); |
| ins.flush(); |
| |
| RevCommit commit = git.commit().message("0").setTopLevelTree(treeId) |
| .create(); |
| |
| git.update("master", commit); |
| |
| DfsFsck fsck = new DfsFsck(repo); |
| FsckError errors = fsck.check(null); |
| assertEquals(errors.getMissingObjects().size(), 0); |
| } |
| |
| @Test |
| public void testMissingObject() throws Exception { |
| ObjectId blobId = ObjectId |
| .fromString("19102815663d23f8b75a47e7a01965dcdc96468c"); |
| byte[] blobIdBytes = new byte[OBJECT_ID_LENGTH]; |
| blobId.copyRawTo(blobIdBytes, 0); |
| byte[] data = concat(encodeASCII("100644 regular-file\0"), blobIdBytes); |
| ObjectId treeId = ins.insert(Constants.OBJ_TREE, data); |
| ins.flush(); |
| |
| RevCommit commit = git.commit().message("0").setTopLevelTree(treeId) |
| .create(); |
| |
| git.update("master", commit); |
| |
| DfsFsck fsck = new DfsFsck(repo); |
| FsckError errors = fsck.check(null); |
| assertEquals(errors.getMissingObjects().size(), 1); |
| assertEquals(errors.getMissingObjects().iterator().next(), blobId); |
| } |
| |
| @Test |
| public void testNonCommitHead() throws Exception { |
| RevCommit commit0 = git.commit().message("0").create(); |
| StringBuilder b = new StringBuilder(); |
| b.append("object "); |
| b.append(commit0.getName()); |
| b.append('\n'); |
| b.append("type commit\n"); |
| b.append("tag test-tag\n"); |
| b.append("tagger A. U. Thor <author@localhost> 1 +0000\n"); |
| |
| byte[] data = encodeASCII(b.toString()); |
| ObjectId tagId = ins.insert(Constants.OBJ_TAG, data); |
| ins.flush(); |
| |
| git.update("master", tagId); |
| |
| DfsFsck fsck = new DfsFsck(repo); |
| FsckError errors = fsck.check(null); |
| assertEquals(errors.getCorruptObjects().size(), 0); |
| assertEquals(errors.getNonCommitHeads().size(), 1); |
| assertEquals(errors.getNonCommitHeads().iterator().next(), |
| "refs/heads/master"); |
| } |
| |
| private ObjectId insertGitModules(String contents) throws IOException { |
| ObjectId blobId = ins.insert(Constants.OBJ_BLOB, |
| Constants.encode(contents)); |
| |
| byte[] blobIdBytes = new byte[OBJECT_ID_LENGTH]; |
| blobId.copyRawTo(blobIdBytes, 0); |
| byte[] data = concat(encodeASCII("100644 .gitmodules\0"), blobIdBytes); |
| ins.insert(Constants.OBJ_TREE, data); |
| ins.flush(); |
| |
| return blobId; |
| } |
| |
| @Test |
| public void testInvalidGitModules() throws Exception { |
| String fakeGitmodules = new StringBuilder() |
| .append("[submodule \"test\"]\n") |
| .append(" path = xlib\n") |
| .append(" url = https://example.com/repo/xlib.git\n\n") |
| .append("[submodule \"test2\"]\n") |
| .append(" path = zlib\n") |
| .append(" url = -upayload.sh\n") |
| .toString(); |
| |
| ObjectId blobId = insertGitModules(fakeGitmodules); |
| |
| DfsFsck fsck = new DfsFsck(repo); |
| FsckError errors = fsck.check(null); |
| assertEquals(errors.getCorruptObjects().size(), 1); |
| |
| CorruptObject error = errors.getCorruptObjects().iterator().next(); |
| assertEquals(error.getId(), blobId); |
| assertEquals(error.getType(), Constants.OBJ_BLOB); |
| assertEquals(error.getErrorType(), ErrorType.GITMODULES_URL); |
| } |
| |
| |
| @Test |
| public void testValidGitModules() throws Exception { |
| String fakeGitmodules = new StringBuilder() |
| .append("[submodule \"test\"]\n") |
| .append(" path = xlib\n") |
| .append(" url = https://example.com/repo/xlib.git\n\n") |
| .append("[submodule \"test2\"]\n") |
| .append(" path = zlib\n") |
| .append(" url = ok/path\n") |
| .toString(); |
| |
| insertGitModules(fakeGitmodules); |
| |
| DfsFsck fsck = new DfsFsck(repo); |
| FsckError errors = fsck.check(null); |
| assertEquals(errors.getCorruptObjects().size(), 0); |
| } |
| |
| } |