alfresco-community-repo/source/java/org/alfresco/util/SearchLanguageConversionTest.java

/*
 * Copyright (C) 2005-2010 Alfresco Software Limited.
 *
 * This file is part of Alfresco
 *
 * Alfresco is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Alfresco 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 Alfresco. If not, see <http://www.gnu.org/licenses/>.
 */
package org.alfresco.util;

import junit.framework.TestCase;

/**
 * @see org.alfresco.util.SearchLanguageConversion
 * 
 * @author Derek Hulley
 */
public class SearchLanguageConversionTest extends TestCase
{
    /**
     * A string with a whole lod of badness to stress test with
     */
    private static final String BAD_STRING =
            "\\ | ! \" £ " +
            "$ % ^ & * ( " +
            ") _ { } [ ] " +
            "@ # ~ ' : ; " +
            ", . < > + ? " +
            "/ \\\\ \\* \\? \\_";
    
    public void testEscapeXPathLike()
    {
        String good = SearchLanguageConversion.escapeForXPathLike(BAD_STRING);
        assertEquals("Escaping for xpath failed",
                "\\\\ | ! \" £ " +
                "$ \\% ^ & * ( " +
                ") \\_ { } \\[ \\] " +
                "@ # ~ ' : ; " +
                ", . < > + ? " +
                "/ \\\\\\\\ \\\\* \\\\? \\\\\\_",
                good);
    }
    
    public void testEscapeRegex()
    {
        String good = SearchLanguageConversion.escapeForRegex(BAD_STRING);
        assertEquals("Escaping for regex failed",
                "\\\\ \\| ! \" £ " +
                "\\$ % \\^ & \\* \\( " +
                "\\) _ \\{ \\} [ ] " +
                "@ # ~ ' : ; " +
                ", \\. < > \\+ \\? " +
                "/ \\\\\\\\ \\\\\\* \\\\\\? \\\\_",
                good);
    }
    
    public void testEscapeLucene()
    {
        String good = SearchLanguageConversion.escapeForLucene(BAD_STRING);
        assertEquals("Escaping for Lucene failed",
                "\\\\ \\| \\! \\\" £ " +
                "$ % \\^ \\& \\* \\( " +
                "\\) _ \\{ \\} \\[ \\] " +
                "@ # \\~ ' \\: ; " +
                ", . < > \\+ \\? " +
                "/ \\\\\\\\ \\\\\\* \\\\\\? \\\\_",
                good);
    }
    
    public void testConvertXPathLikeToRegex()
    {
        String good = SearchLanguageConversion.convertXPathLikeToRegex(BAD_STRING);
        assertEquals("XPath like to regex failed",
                "(?s) \\| ! \" £ " +
                "\\$ .* \\^ & \\* \\( " +
                "\\) . \\{ \\} [ ] " +
                "@ # ~ ' : ; " +
                ", \\. < > \\+ \\? " +
                "/ \\\\ \\* \\? _",
                good);
    }
    
    public void testConvertXPathLikeToLucene()
    {
        String good = SearchLanguageConversion.convertXPathLikeToLucene(BAD_STRING);
        assertEquals("XPath like to Lucene failed",
                " \\| \\! \\\" £ " +
                "$ * \\^ \\& \\* \\( " +
                "\\) ? \\{ \\} \\[ \\] " +
                "@ # \\~ ' \\: ; " +
                ", . < > \\+ \\? " +
                "/ \\\\ \\* \\? _",
                good);
    }
    
    public void testSqlToLucene()
    {
        String sqlLike = "AB%_*?\\%\\_";
        String lucene = "AB*?\\*\\?%_";
        String converted = SearchLanguageConversion.convert(SearchLanguageConversion.DEF_SQL_LIKE, SearchLanguageConversion.DEF_LUCENE, sqlLike);
        assertEquals(lucene, converted);
    }
    
    public void testLuceneToRegexp()
    {
        String lucene = "AB*?\\*\\?.*.";
        String regexp = "AB.*.\\*\\?\\..*\\.";
        String converted = SearchLanguageConversion.convert(SearchLanguageConversion.DEF_LUCENE, SearchLanguageConversion.DEF_REGEX, lucene);
        assertEquals(regexp, converted);
    }
    
}