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- /*
- * 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());
- }
-
- @Test
- public void testSkipTreeWhenStartFromBlob() throws Exception {
- final RevBlob f1 = blob("1");
- objw.markStart(f1);
- assertSame(f1, objw.nextObject());
- objw.skipTree();
- }
- }
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