/*
* 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.oracle;
import java.util.Arrays;
import java.util.List;
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.language.visitor.SQLStringVisitor;
import org.teiid.translator.jdbc.oracle.Log10FunctionModifier;
/**
*/
public class TestLog10FunctionModifier extends TestCase {
private static final LanguageFactory LANG_FACTORY = new LanguageFactory();
/**
* Constructor for TestLog10FunctionModifier.
* @param name
*/
public TestLog10FunctionModifier(String name) {
super(name);
}
public void testModifier() {
Literal arg = LANG_FACTORY.createLiteral(new Double(5.2), Double.class);
Function func = LANG_FACTORY.createFunction("log10", Arrays.asList(arg), Double.class); //$NON-NLS-1$
Log10FunctionModifier modifier = new Log10FunctionModifier(LANG_FACTORY);
modifier.translate(func);
assertEquals("log", func.getName()); //$NON-NLS-1$
assertEquals(Double.class, func.getType());
List<Expression> outArgs = func.getParameters();
assertEquals(2, outArgs.size());
assertEquals(arg, outArgs.get(1));
assertTrue(outArgs.get(1) instanceof Literal);
Literal newArg = (Literal) outArgs.get(0);
assertEquals(Integer.class, newArg.getType());
assertEquals(new Integer(10), newArg.getValue());
assertEquals("log(10, 5.2)", SQLStringVisitor.getSQLString(func)); //$NON-NLS-1$
}
}