TestPathFunctionModifier.java

/*
 * JBoss, Home of Professional Open Source.
 * See the COPYRIGHT.txt file distributed with this work for information
 * regarding copyright ownership.  Some portions may be licensed
 * to Red Hat, Inc. under one or more contributor license agreements.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

package org.teiid.translator.jdbc.modeshape;

import java.util.Arrays;
import java.util.Collections;

import junit.framework.TestCase;

import org.teiid.language.Expression;
import org.teiid.language.Function;
import org.teiid.language.LanguageFactory;
import org.teiid.language.Literal;
import org.teiid.translator.jdbc.SQLConversionVisitor;


/**
 */
@SuppressWarnings("nls")
public class TestPathFunctionModifier extends TestCase {

    private static final LanguageFactory LANG_FACTORY = new LanguageFactory();

    /**
     * Constructor for TestMonthFunctionModifier.
     * @param name
     */
    public TestPathFunctionModifier(String name) {
        super(name);
    }

    public void helpTestMod(Expression c, String expectedStr, String target) throws Exception {
    	Function func = null;
    	if (c != null) {
        	func = LANG_FACTORY.createFunction(target, 
            Arrays.asList(c),
            String.class);
    	} else {
        	func = LANG_FACTORY.createFunction(target, 
                    Collections.EMPTY_LIST,
                    String.class);
		
    	}
        
        ModeShapeExecutionFactory trans = new ModeShapeExecutionFactory();
        trans.start();
        
        SQLConversionVisitor sqlVisitor = trans.getSQLConversionVisitor(); 

        sqlVisitor.append(func);  
        assertEquals(expectedStr, sqlVisitor.toString());
    }
    
    
    public void test1() throws Exception {
        Literal arg1 = LANG_FACTORY.createLiteral("car", String.class); //$NON-NLS-1$
        helpTestMod(arg1, "PATH('car')", "PATH"); //$NON-NLS-1$
    }
    
    public void test2() throws Exception {
        helpTestMod(null, "PATH()", "PATH"); //$NON-NLS-1$
    }
    
     
}