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/*
* Copyright (C) 2010, Sasa Zivkov <sasa.zivkov@sap.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
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* 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
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.notes;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import org.eclipse.jgit.junit.RepositoryTestCase;
import org.eclipse.jgit.junit.TestRepository;
import org.eclipse.jgit.lib.ObjectInserter;
import org.eclipse.jgit.lib.ObjectReader;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevBlob;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class DefaultNoteMergerTest extends RepositoryTestCase {
private TestRepository<Repository> tr;
private ObjectReader reader;
private ObjectInserter inserter;
private DefaultNoteMerger merger;
private Note baseNote;
private RevBlob noteOn;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
tr = new TestRepository<Repository>(db);
reader = db.newObjectReader();
inserter = db.newObjectInserter();
merger = new DefaultNoteMerger();
noteOn = tr.blob("a");
baseNote = newNote("data");
}
@Override
@After
public void tearDown() throws Exception {
reader.release();
inserter.release();
super.tearDown();
}
@Test
public void testDeleteDelete() throws Exception {
assertNull(merger.merge(baseNote, null, null, null, null));
}
@Test
public void testEditDelete() throws Exception {
Note edit = newNote("edit");
assertSame(merger.merge(baseNote, edit, null, null, null), edit);
assertSame(merger.merge(baseNote, null, edit, null, null), edit);
}
@Test
public void testIdenticalEdit() throws Exception {
Note edit = newNote("edit");
assertSame(merger.merge(baseNote, edit, edit, null, null), edit);
}
@Test
public void testEditEdit() throws Exception {
Note edit1 = newNote("edit1");
Note edit2 = newNote("edit2");
Note result = merger.merge(baseNote, edit1, edit2, reader, inserter);
assertEquals(result, noteOn); // same note
assertEquals(result.getData(), tr.blob("edit1edit2"));
result = merger.merge(baseNote, edit2, edit1, reader, inserter);
assertEquals(result, noteOn); // same note
assertEquals(result.getData(), tr.blob("edit2edit1"));
}
@Test
public void testIdenticalAdd() throws Exception {
Note add = newNote("add");
assertSame(merger.merge(null, add, add, null, null), add);
}
@Test
public void testAddAdd() throws Exception {
Note add1 = newNote("add1");
Note add2 = newNote("add2");
Note result = merger.merge(null, add1, add2, reader, inserter);
assertEquals(result, noteOn); // same note
assertEquals(result.getData(), tr.blob("add1add2"));
result = merger.merge(null, add2, add1, reader, inserter);
assertEquals(result, noteOn); // same note
assertEquals(result.getData(), tr.blob("add2add1"));
}
private Note newNote(String data) throws Exception {
return new Note(noteOn, tr.blob(data));
}
}
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