/*
* Copyright (C) 2013, Robin Rosenberg <robin.rosenberg@dewire.com>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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package org.eclipse.jgit.treewalk.filter;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import org.eclipse.jgit.dircache.DirCache;
import org.eclipse.jgit.dircache.DirCacheEditor;
import org.eclipse.jgit.dircache.DirCacheEditor.PathEdit;
import org.eclipse.jgit.dircache.DirCacheEntry;
import org.eclipse.jgit.dircache.DirCacheIterator;
import org.eclipse.jgit.junit.LocalDiskRepositoryTestCase;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.FileMode;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.treewalk.TreeWalk;
import org.junit.Before;
import org.junit.Test;
public class InterIndexDiffFilterTest extends LocalDiskRepositoryTestCase {
private Repository db;
@Before
public void setUp() throws Exception {
super.setUp();
db = createWorkRepository();
}
@Test
public void testEmpty() throws IOException {
DirCache dc1 = DirCache.newInCore();
DirCache dc2 = DirCache.newInCore();
TreeWalk tw = new TreeWalk(db);
tw.addTree(new DirCacheIterator(dc1));
tw.addTree(new DirCacheIterator(dc2));
assertFalse(tw.next());
}
static final class AddEdit extends PathEdit {
private final ObjectId data;
private final long length;
private boolean assumeValid;
private FileMode type;
public AddEdit(String entryPath, FileMode type, ObjectId data,
long length,
boolean assumeValid) {
super(entryPath);
this.type = type;
this.data = data;
this.length = length;
this.assumeValid = assumeValid;
}
@Override
public void apply(DirCacheEntry ent) {
ent.setFileMode(type);
ent.setLength(length);
ent.setObjectId(data);
ent.setAssumeValid(assumeValid);
}
}
private ObjectId id(String data) {
byte[] bytes = data.getBytes();
return db.newObjectInserter().idFor(Constants.OBJ_BLOB, bytes);
}
@Test
public void testOneOnly() throws IOException {
DirCache dc1 = DirCache.newInCore();
DirCache dc2 = DirCache.newInCore();
DirCacheEditor editor = dc1.editor();
editor.add(new AddEdit("a/a", FileMode.REGULAR_FILE, id("a"), 1, false));
editor.finish();
TreeWalk tw = new TreeWalk(db);
tw.setRecursive(true);
tw.addTree(new DirCacheIterator(dc1));
tw.addTree(new DirCacheIterator(dc2));
tw.setFilter(InterIndexDiffFilter.INSTANCE);
assertTrue(tw.next());
assertEquals("a/a", tw.getPathString());
assertFalse(tw.next());
}
@Test
public void testTwoSame() throws IOException {
DirCache dc1 = DirCache.newInCore();
DirCache dc2 = DirCache.newInCore();
DirCacheEditor ed1 = dc1.editor();
ed1.add(new AddEdit("a/a", FileMode.REGULAR_FILE, id("a"), 1, false));
ed1.finish();
DirCacheEditor ed2 = dc2.editor();
ed2.add(new AddEdit("a/a", FileMode.REGULAR_FILE, id("a"), 1, false));
ed2.finish();
TreeWalk tw = new TreeWalk(db);
tw.setRecursive(true);
tw.addTree(new DirCacheIterator(dc1));
tw.addTree(new DirCacheIterator(dc2));
tw.setFilter(InterIndexDiffFilter.INSTANCE);
assertFalse(tw.next());
}
@Test
public void testTwoSameDifferByAssumeValid() throws IOException {
DirCache dc1 = DirCache.newInCore();
DirCache dc2 = DirCache.newInCore();
DirCacheEditor ed1 = dc1.editor();
ed1.add(new AddEdit("a/a", FileMode.REGULAR_FILE, id("a"), 1, false));
ed1.finish();
DirCacheEditor ed2 = dc2.editor();
ed2.add(new AddEdit("a/a", FileMode.REGULAR_FILE, id("a"), 1, true));
ed2.finish();
TreeWalk tw = new TreeWalk(db);
tw.setRecursive(true);
tw.addTree(new DirCacheIterator(dc1));
tw.addTree(new DirCacheIterator(dc2));
tw.setFilter(InterIndexDiffFilter.INSTANCE);
assertTrue(tw.next());
assertEquals("a/a", tw.getPathString());
assertFalse(tw.next());
}
@Test
public void testTwoSameSameAssumeValidDifferentContent()
throws IOException {
DirCache dc1 = DirCache.newInCore();
DirCache dc2 = DirCache.newInCore();
DirCacheEditor ed1 = dc1.editor();
ed1.add(new AddEdit("a/a", FileMode.REGULAR_FILE, id("a"), 1, true));
ed1.finish();
DirCacheEditor ed2 = dc2.editor();
ed2.add(new AddEdit("a/a", FileMode.REGULAR_FILE, id("b"), 1, true));
ed2.finish();
TreeWalk tw = new TreeWalk(db);
tw.setRecursive(true);
tw.addTree(new DirCacheIterator(dc1));
tw.addTree(new DirCacheIterator(dc2));
tw.setFilter(InterIndexDiffFilter.INSTANCE);
assertFalse(tw.next());
}
}