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- /*
- * Copyright (C) 2008, 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.treewalk;
-
- import static org.eclipse.jgit.lib.Constants.OBJ_BLOB;
- import static org.eclipse.jgit.lib.Constants.encode;
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.assertTrue;
-
- import org.eclipse.jgit.junit.RepositoryTestCase;
- 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.eclipse.jgit.treewalk.filter.TreeFilter;
- import org.junit.Test;
-
- public class TreeWalkBasicDiffTest extends RepositoryTestCase {
- @Test
- public void testMissingSubtree_DetectFileAdded_FileModified()
- throws Exception {
- final ObjectId oldTree, newTree, bFileId, cFileId1, cFileId2;
- try (ObjectInserter inserter = db.newObjectInserter()) {
- final ObjectId aFileId = inserter.insert(OBJ_BLOB, encode("a"));
- bFileId = inserter.insert(OBJ_BLOB, encode("b"));
- cFileId1 = inserter.insert(OBJ_BLOB, encode("c-1"));
- cFileId2 = inserter.insert(OBJ_BLOB, encode("c-2"));
-
- // Create sub-a/empty, sub-c/empty = hello.
- {
- TreeFormatter root = new TreeFormatter();
- {
- TreeFormatter subA = new TreeFormatter();
- subA.append("empty", FileMode.REGULAR_FILE, aFileId);
- root.append("sub-a", FileMode.TREE, inserter.insert(subA));
- }
- {
- TreeFormatter subC = new TreeFormatter();
- subC.append("empty", FileMode.REGULAR_FILE, cFileId1);
- root.append("sub-c", FileMode.TREE, inserter.insert(subC));
- }
- oldTree = inserter.insert(root);
- }
-
- // Create sub-a/empty, sub-b/empty, sub-c/empty.
- {
- TreeFormatter root = new TreeFormatter();
- {
- TreeFormatter subA = new TreeFormatter();
- subA.append("empty", FileMode.REGULAR_FILE, aFileId);
- root.append("sub-a", FileMode.TREE, inserter.insert(subA));
- }
- {
- TreeFormatter subB = new TreeFormatter();
- subB.append("empty", FileMode.REGULAR_FILE, bFileId);
- root.append("sub-b", FileMode.TREE, inserter.insert(subB));
- }
- {
- TreeFormatter subC = new TreeFormatter();
- subC.append("empty", FileMode.REGULAR_FILE, cFileId2);
- root.append("sub-c", FileMode.TREE, inserter.insert(subC));
- }
- newTree = inserter.insert(root);
- }
- inserter.flush();
- }
-
- try (TreeWalk tw = new TreeWalk(db)) {
- tw.reset(oldTree, newTree);
- tw.setRecursive(true);
- tw.setFilter(TreeFilter.ANY_DIFF);
-
- assertTrue(tw.next());
- assertEquals("sub-b/empty", tw.getPathString());
- assertEquals(FileMode.MISSING, tw.getFileMode(0));
- assertEquals(FileMode.REGULAR_FILE, tw.getFileMode(1));
- assertEquals(ObjectId.zeroId(), tw.getObjectId(0));
- assertEquals(bFileId, tw.getObjectId(1));
-
- assertTrue(tw.next());
- assertEquals("sub-c/empty", tw.getPathString());
- assertEquals(FileMode.REGULAR_FILE, tw.getFileMode(0));
- assertEquals(FileMode.REGULAR_FILE, tw.getFileMode(1));
- assertEquals(cFileId1, tw.getObjectId(0));
- assertEquals(cFileId2, tw.getObjectId(1));
-
- assertFalse(tw.next());
- }
- }
- }
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