| /* |
| * Copyright (C) 2009-2010, 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.revwalk; |
| |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertSame; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.eclipse.jgit.lib.FileMode; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.ObjectInserter; |
| import org.eclipse.jgit.lib.TreeFormatter; |
| import org.junit.Test; |
| |
| public class ObjectWalkTest extends RevWalkTestCase { |
| protected ObjectWalk objw; |
| |
| @Override |
| protected RevWalk createRevWalk() { |
| return objw = new ObjectWalk(db); |
| } |
| |
| @Test |
| public void testNoCommits() throws Exception { |
| assertNull(objw.next()); |
| assertNull(objw.nextObject()); |
| } |
| |
| @Test |
| public void testTwoCommitsEmptyTree() throws Exception { |
| final RevCommit a = commit(); |
| final RevCommit b = commit(a); |
| markStart(b); |
| |
| assertCommit(b, objw.next()); |
| assertCommit(a, objw.next()); |
| assertNull(objw.next()); |
| |
| assertSame(tree(), objw.nextObject()); |
| assertNull(objw.nextObject()); |
| } |
| |
| @Test |
| public void testOneCommitOneTreeTwoBlob() throws Exception { |
| final RevBlob f0 = blob("0"); |
| final RevBlob f1 = blob("1"); |
| final RevTree t = tree(file("0", f0), file("1", f1), file("2", f1)); |
| final RevCommit a = commit(t); |
| markStart(a); |
| |
| assertCommit(a, objw.next()); |
| assertNull(objw.next()); |
| |
| assertSame(t, objw.nextObject()); |
| assertSame(f0, objw.nextObject()); |
| assertSame(f1, objw.nextObject()); |
| assertNull(objw.nextObject()); |
| } |
| |
| @Test |
| public void testTwoCommitTwoTreeTwoBlob() throws Exception { |
| final RevBlob f0 = blob("0"); |
| final RevBlob f1 = blob("1"); |
| final RevBlob f2 = blob("0v2"); |
| final RevTree ta = tree(file("0", f0), file("1", f1), file("2", f1)); |
| final RevTree tb = tree(file("0", f2), file("1", f1), file("2", f1)); |
| final RevCommit a = commit(ta); |
| final RevCommit b = commit(tb, a); |
| markStart(b); |
| |
| assertCommit(b, objw.next()); |
| assertCommit(a, objw.next()); |
| assertNull(objw.next()); |
| |
| assertSame(tb, objw.nextObject()); |
| assertSame(f2, objw.nextObject()); |
| assertSame(f1, objw.nextObject()); |
| |
| assertSame(ta, objw.nextObject()); |
| assertSame(f0, objw.nextObject()); |
| |
| assertNull(objw.nextObject()); |
| } |
| |
| @Test |
| public void testTwoCommitDeepTree1() throws Exception { |
| final RevBlob f0 = blob("0"); |
| final RevBlob f1 = blob("0v2"); |
| final RevTree ta = tree(file("a/b/0", f0)); |
| final RevTree tb = tree(file("a/b/1", f1)); |
| final RevCommit a = commit(ta); |
| final RevCommit b = commit(tb, a); |
| markStart(b); |
| |
| assertCommit(b, objw.next()); |
| assertCommit(a, objw.next()); |
| assertNull(objw.next()); |
| |
| assertSame(tb, objw.nextObject()); |
| assertSame(get(tb, "a"), objw.nextObject()); |
| assertSame(get(tb, "a/b"), objw.nextObject()); |
| assertSame(f1, objw.nextObject()); |
| |
| assertSame(ta, objw.nextObject()); |
| assertSame(get(ta, "a"), objw.nextObject()); |
| assertSame(get(ta, "a/b"), objw.nextObject()); |
| assertSame(f0, objw.nextObject()); |
| |
| assertNull(objw.nextObject()); |
| } |
| |
| @Test |
| public void testTwoCommitDeepTree2() throws Exception { |
| final RevBlob f1 = blob("1"); |
| final RevTree ta = tree(file("a/b/0", f1), file("a/c/q", f1)); |
| final RevTree tb = tree(file("a/b/1", f1), file("a/c/q", f1)); |
| final RevCommit a = commit(ta); |
| final RevCommit b = commit(tb, a); |
| markStart(b); |
| |
| assertCommit(b, objw.next()); |
| assertCommit(a, objw.next()); |
| assertNull(objw.next()); |
| |
| assertSame(tb, objw.nextObject()); |
| assertSame(get(tb, "a"), objw.nextObject()); |
| assertSame(get(tb, "a/b"), objw.nextObject()); |
| assertSame(f1, objw.nextObject()); |
| assertSame(get(tb, "a/c"), objw.nextObject()); |
| |
| assertSame(ta, objw.nextObject()); |
| assertSame(get(ta, "a"), objw.nextObject()); |
| assertSame(get(ta, "a/b"), objw.nextObject()); |
| |
| assertNull(objw.nextObject()); |
| } |
| |
| @Test |
| public void testCull() throws Exception { |
| final RevBlob f1 = blob("1"); |
| final RevBlob f2 = blob("2"); |
| final RevBlob f3 = blob("3"); |
| final RevBlob f4 = blob("4"); |
| |
| final RevTree ta = tree(file("a/1", f1), file("c/3", f3)); |
| final RevCommit a = commit(ta); |
| |
| final RevTree tb = tree(file("a/1", f2), file("c/3", f3)); |
| final RevCommit b1 = commit(tb, a); |
| final RevCommit b2 = commit(tb, b1); |
| |
| final RevTree tc = tree(file("a/1", f4)); |
| final RevCommit c1 = commit(tc, a); |
| final RevCommit c2 = commit(tc, c1); |
| |
| markStart(b2); |
| markUninteresting(c2); |
| |
| assertCommit(b2, objw.next()); |
| assertCommit(b1, objw.next()); |
| assertNull(objw.next()); |
| |
| assertTrue(a.has(RevFlag.UNINTERESTING)); |
| assertTrue(ta.has(RevFlag.UNINTERESTING)); |
| assertTrue(f1.has(RevFlag.UNINTERESTING)); |
| assertTrue(f3.has(RevFlag.UNINTERESTING)); |
| |
| assertSame(tb, objw.nextObject()); |
| assertSame(get(tb, "a"), objw.nextObject()); |
| assertSame(f2, objw.nextObject()); |
| assertNull(objw.nextObject()); |
| } |
| |
| @Test |
| public void testEmptyTreeCorruption() throws Exception { |
| ObjectId bId = ObjectId |
| .fromString("abbbfafe3129f85747aba7bfac992af77134c607"); |
| final RevTree tree_root, tree_A, tree_AB; |
| final RevCommit b; |
| try (ObjectInserter inserter = db.newObjectInserter()) { |
| ObjectId empty = inserter.insert(new TreeFormatter()); |
| |
| TreeFormatter A = new TreeFormatter(); |
| A.append("A", FileMode.TREE, empty); |
| A.append("B", FileMode.TREE, empty); |
| ObjectId idA = inserter.insert(A); |
| |
| TreeFormatter root = new TreeFormatter(); |
| root.append("A", FileMode.TREE, idA); |
| root.append("B", FileMode.REGULAR_FILE, bId); |
| ObjectId idRoot = inserter.insert(root); |
| inserter.flush(); |
| |
| tree_root = objw.parseTree(idRoot); |
| tree_A = objw.parseTree(idA); |
| tree_AB = objw.parseTree(empty); |
| b = commit(tree_root); |
| } |
| |
| markStart(b); |
| |
| assertCommit(b, objw.next()); |
| assertNull(objw.next()); |
| |
| assertSame(tree_root, objw.nextObject()); |
| assertSame(tree_A, objw.nextObject()); |
| assertSame(tree_AB, objw.nextObject()); |
| assertSame(rw.lookupBlob(bId), objw.nextObject()); |
| assertNull(objw.nextObject()); |
| } |
| } |