/*
* Copyright 2008 Udai Gupta, Ralf Joachim
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.castor.cpa.query.object.function;
import junit.framework.TestCase;
import org.castor.cpa.query.Expression;
import org.castor.cpa.query.Function;
import org.castor.cpa.query.QueryObject;
import org.castor.cpa.query.TrimSpecification;
import org.castor.cpa.query.object.expression.AbstractExpression;
import org.castor.cpa.query.object.literal.StringLiteral;
/**
* Junit Test for testing TRIM function class of query objects.
*
* @author <a href="mailto:mailtoud AT gmail DOT com">Udai Gupta</a>
* @author <a href="mailto:ralf DOT joachim AT syscon DOT eu">Ralf Joachim</a>
* @version $Revision: 7121 $ $Date: 2006-04-25 16:09:10 -0600 (Tue, 25 Apr 2006) $
* @since 1.3
*/
public final class TestTrim extends TestCase {
//--------------------------------------------------------------------------
/**
* Junit Test for instance.
*/
public void testInstance() {
QueryObject n = new Trim();
assertTrue(n instanceof AbstractFunction);
assertTrue(n instanceof Function);
assertTrue(n instanceof AbstractExpression);
assertTrue(n instanceof Expression);
}
/**
* Junit Test for constructor.
*/
public void testConstructor() {
Trim n = new Trim();
assertEquals(TrimSpecification.BOTH, n.getSpecification());
assertTrue(n.getCharacter() instanceof StringLiteral);
assertEquals(" ", ((StringLiteral) n.getCharacter()).getValue());
}
/**
* Junit Test for Getter and Setter methods.
*/
public void testGSetter() {
Expression exp = new MockExpression();
TrimSpecification t = TrimSpecification.LEADING;
StringLiteral c = new StringLiteral("Char");
Trim n = new Trim();
n.setString(exp);
n.setSpecification(t);
n.setCharacter(c);
assertEquals(exp, n.getString());
assertEquals(t, n.getSpecification());
assertEquals(c, n.getCharacter());
}
/**
* Junit Test for toString method.
*/
public void testToString() {
Trim n = new Trim();
n.setString(null);
n.setSpecification(TrimSpecification.LEADING);
n.setCharacter(new StringLiteral("Char"));
assertEquals("TRIM(LEADING 'Char' FROM )", n.toString());
n.setString(new MockExpression());
n.setSpecification(null);
n.setCharacter(new StringLiteral("Char"));
assertEquals("TRIM( 'Char' FROM expression)", n.toString());
n.setString(new MockExpression());
n.setSpecification(TrimSpecification.LEADING);
n.setCharacter(null);
assertEquals("TRIM(LEADING FROM expression)", n.toString());
n.setString(new MockExpression());
n.setSpecification(null);
n.setCharacter(null);
assertEquals("TRIM( FROM expression)", n.toString());
n.setString(null);
n.setSpecification(TrimSpecification.LEADING);
n.setCharacter(null);
assertEquals("TRIM(LEADING FROM )", n.toString());
n.setString(null);
n.setSpecification(null);
n.setCharacter(new StringLiteral("Char"));
assertEquals("TRIM( 'Char' FROM )", n.toString());
n.setString(null);
n.setSpecification(null);
n.setCharacter(null);
assertEquals("TRIM( FROM )", n.toString());
// withChar false and withSpec false
n.setString(new MockExpression());
n.setSpecification(TrimSpecification.BOTH);
n.setCharacter(new StringLiteral(" "));
assertEquals("TRIM(expression)", n.toString());
// withChar true and withSpec false
n.setString(new MockExpression());
n.setSpecification(TrimSpecification.BOTH);
n.setCharacter(new StringLiteral("Char"));
assertEquals("TRIM('Char' FROM expression)", n.toString());
// withChar false and withSpec true
n.setString(new MockExpression());
n.setSpecification(TrimSpecification.TRAILING);
n.setCharacter(new StringLiteral(" "));
assertEquals("TRIM(TRAILING FROM expression)", n.toString());
}
//--------------------------------------------------------------------------
}