/*
* Copyright (C) 2003-2010 eXo Platform SAS.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see<http://www.gnu.org/licenses/>.
*/
package org.exoplatform.wiki.service;
import java.util.List;
import junit.framework.TestCase;
import org.exoplatform.wiki.service.diff.DiffResult;
import org.exoplatform.wiki.service.diff.DiffService;
import org.suigeneris.jrcs.diff.delta.Chunk;
import org.suigeneris.jrcs.diff.delta.Delta;
/**
* Created by The eXo Platform SAS
* Author : viet nguyen
* viet.nguyen@exoplatform.com
* Aug 2, 2010
*/
public class TestDiffService extends TestCase {
private DiffService diffService;
protected void setUp() {
this.diffService = new DiffService();
}
public void testSimpleLineDiff() throws Exception {
String text1 = "A\nB\nC";
String text2 = "A\nB B\nC";
List diffs = this.diffService.getDifferencesAsList(text1, text2);
assertEquals("There should be one difference", 1, diffs.size());
Delta delta = (Delta) diffs.get(0);
Chunk orig = delta.getOriginal();
Chunk revised = delta.getRevised();
assertEquals("Original should be", "B", orig.toString());
assertEquals("Revised should be", "B B", revised.toString());
}
public void testSimpleWordDiff() throws Exception {
String text1 = "I love Paris and London";
String text2 = "I live in Paris and London";
List diffs = this.diffService.getWordDifferencesAsList(text1, text2);
assertEquals("There should be two differences", 1, diffs.size());
Delta delta1 = (Delta) diffs.get(0);
Chunk orig1 = delta1.getOriginal();
Chunk revised1 = delta1.getRevised();
assertEquals("Original 1 should be", "love", orig1.toString());
assertEquals("Revised 1 should be", "livein", revised1.toString());
}
public void testSimpleWordDiffAsHTML() throws Exception {
String text1 = "A B C D E F";
String text2 = "A C B D E G";
DiffResult result = this.diffService.getWordDifferencesAsHTML(text1, text2);
String html = result.getDiffHTML();
assertEquals("Diff is incorrect",
"<div class=\"diffmodifiedline\">A <span class=\"diffremoveword\">B</span> C <span class=\"diffaddword\">B</span> D E <span class=\"diffremoveword\">F</span><span class=\"diffaddword\">G</span></div>",
html);
assertEquals("Diff is incorrect", 3, result.getChanges());
}
public void testSimpleLineDiffAsHTML() throws Exception {
String text1 = "A B C\nD E F\nG H I\nJ K L\n";
String text2 = "A B C\nG H I\nD E F\nJ K L\n";
DiffResult result = this.diffService.getDifferencesAsHTML(text1, text2, true);
String html = result.getDiffHTML();
assertEquals("Diff is incorrect",
"<div class=\"diff\"><div class=\"diffunmodifiedline\">A B C</div><div class=\"diffmodifiedline\"><span class=\"diffremoveword\">D E F</span></div><div class=\"diffunmodifiedline\">G H I</div><div class=\"diffmodifiedline\"><span class=\"diffaddword\">D E F</span></div><div class=\"diffunmodifiedline\">J K L</div></div>",
html);
assertEquals("Diff is incorrect", 2, result.getChanges());
}
}