/*
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* and other copyright owners as documented in the project's IP log.
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* This program and the accompanying materials are made available
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* accompanies this distribution, is reproduced below, and is
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package org.eclipse.jgit.treewalk;
import static org.eclipse.jgit.lib.Constants.OBJ_BLOB;
import static org.eclipse.jgit.lib.Constants.OBJ_TREE;
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.Tree;
import org.eclipse.jgit.treewalk.filter.TreeFilter;
import org.junit.Test;
@SuppressWarnings("deprecation")
public class TreeWalkBasicDiffTest extends RepositoryTestCase {
@Test
public void testMissingSubtree_DetectFileAdded_FileModified()
throws Exception {
final ObjectInserter inserter = db.newObjectInserter();
final ObjectId aFileId = inserter.insert(OBJ_BLOB, encode("a"));
final ObjectId bFileId = inserter.insert(OBJ_BLOB, encode("b"));
final ObjectId cFileId1 = inserter.insert(OBJ_BLOB, encode("c-1"));
final ObjectId cFileId2 = inserter.insert(OBJ_BLOB, encode("c-2"));
// Create sub-a/empty, sub-c/empty = hello.
final ObjectId oldTree;
{
final Tree root = new Tree(db);
{
final Tree subA = root.addTree("sub-a");
subA.addFile("empty").setId(aFileId);
subA.setId(inserter.insert(OBJ_TREE, subA.format()));
}
{
final Tree subC = root.addTree("sub-c");
subC.addFile("empty").setId(cFileId1);
subC.setId(inserter.insert(OBJ_TREE, subC.format()));
}
oldTree = inserter.insert(OBJ_TREE, root.format());
}
// Create sub-a/empty, sub-b/empty, sub-c/empty.
final ObjectId newTree;
{
final Tree root = new Tree(db);
{
final Tree subA = root.addTree("sub-a");
subA.addFile("empty").setId(aFileId);
subA.setId(inserter.insert(OBJ_TREE, subA.format()));
}
{
final Tree subB = root.addTree("sub-b");
subB.addFile("empty").setId(bFileId);
subB.setId(inserter.insert(OBJ_TREE, subB.format()));
}
{
final Tree subC = root.addTree("sub-c");
subC.addFile("empty").setId(cFileId2);
subC.setId(inserter.insert(OBJ_TREE, subC.format()));
}
newTree = inserter.insert(OBJ_TREE, root.format());
}
inserter.flush();
inserter.release();
final 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());
}
}