/**
* The contents of this file are subject to the Open Software License
* Version 3.0 (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.opensource.org/licenses/osl-3.0.txt
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*/
package org.mulgara.query.filter;
import java.net.URI;
import org.jrdf.graph.Literal;
import org.jrdf.graph.Node;
import org.mulgara.query.filter.TestContext;
import org.mulgara.query.filter.TestContextOwner;
import org.mulgara.query.rdf.BlankNodeImpl;
import org.mulgara.query.rdf.LiteralImpl;
import org.mulgara.query.filter.value.Bool;
import org.mulgara.query.filter.value.Var;
import static org.mulgara.query.rdf.XSD.INT_URI;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
/**
* Tests the BOUND function.
*
* @created Apr 15, 2008
* @author Paula Gearon
* @copyright © 2008 <a href="http://www.topazproject.org/">The Topaz Project</a>
* @licence <a href="{@docRoot}/../../LICENCE.txt">Open Software License v3.0</a>
*/
public class BoundFnUnitTest extends TestCase {
protected URI xsdInt = INT_URI;
Bool t = Bool.TRUE;
Bool f = Bool.FALSE;
/**
* Build the unit test.
* @param name The name of the test
*/
public BoundFnUnitTest(String name) {
super(name);
}
/**
* Hook for test runner to obtain a test suite from.
* @return The test suite
*/
public static Test suite() {
TestSuite suite = new TestSuite();
suite.addTest(new BoundFnUnitTest("testVar"));
suite.addTest(new BoundFnUnitTest("testGuard"));
return suite;
}
public void testVar() throws Exception {
Var x = new Var("x");
BoundFn fn = new BoundFn(x);
Literal seven = new LiteralImpl("7", xsdInt);
Node[][] rows = {
new Node[] {seven},
new Node[] {null},
new Node[] {seven},
new Node[] {null},
};
TestContext c = new TestContext(new String[] {"x"}, rows);
c.beforeFirst();
fn.setContextOwner(new TestContextOwner(c));
// check the context setting
fn.setCurrentContext(c);
assertTrue(c.next());
assertTrue(t.equals(fn));
assertTrue(fn.equals(t));
assertTrue(c.next());
assertTrue(f.equals(fn));
assertTrue(fn.equals(f));
assertTrue(c.next());
assertTrue(t.equals(fn));
assertTrue(c.next());
assertTrue(f.equals(fn));
assertFalse(c.next());
}
public void testGuard() throws Exception {
Var x = new Var("x");
AbstractFilterValue fn = new And(new BoundFn(x), new IsBlankFn(x));
Literal seven = new LiteralImpl("7", xsdInt);
Node[][] rows = {
new Node[] {seven},
new Node[] {null},
new Node[] {new BlankNodeImpl(101)},
};
TestContext c = new TestContext(new String[] {"x"}, rows);
c.beforeFirst();
fn.setContextOwner(new TestContextOwner(c));
// check the context setting
fn.setCurrentContext(c);
assertTrue(c.next());
assertTrue(f.equals(fn));
assertTrue(fn.equals(f));
assertTrue(c.next());
assertTrue(f.equals(fn));
assertTrue(fn.equals(f));
assertTrue(c.next());
assertTrue(t.equals(fn));
assertTrue(fn.equals(t));
assertFalse(c.next());
}
}