/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* 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;
* version 2.1 of the License.
*
* 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.
*/
package org.geotools.filter;
import junit.framework.TestCase;
import org.geotools.factory.CommonFactoryFinder;
import org.opengis.filter.And;
import org.opengis.filter.Filter;
import org.opengis.filter.FilterFactory2;
import org.opengis.filter.PropertyIsEqualTo;
import org.opengis.filter.spatial.Beyond;
/**
* Unit test for FilterCapabilities.
*
* @author Chris Holmes, TOPP
*
*
* @source $URL$
*/
public class CapabilitiesTest extends TestCase {
public void testCapablities(){
Capabilities capabilities = new Capabilities();
capabilities.addType( Beyond.class ); // add to SpatialCapabilities
capabilities.addType( PropertyIsEqualTo.class ); // add to ScalarCapabilities
capabilities.addName( "NullCheck" ); // will enable PropertyIsNull use
capabilities.addName( "Mul" ); // will enable hasSimpleArithmatic
capabilities.addName( "random" ); // a function returning a random number
capabilities.addName( "Length", 1 ); // single argument function
capabilities.addName( "toDegrees", "radians" ); // single argument function
capabilities.addName( "length", "expression" );
FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(null);
Filter filter = ff.between( ff.literal(0), ff.property("x"), ff.literal( 2 ) );
assertFalse("supports", capabilities.supports( filter ) );
filter = ff.equals(ff.property("x"), ff.literal( 2 ) );
assertTrue("supports", capabilities.supports( filter ) );
assertTrue("fullySupports", capabilities.fullySupports( filter ) );
Capabilities capabilities2 = new Capabilities();
capabilities2.addAll( capabilities );
capabilities2.addType( And.class );
assertTrue( capabilities2.getContents().getScalarCapabilities().hasLogicalOperators() );
assertFalse( capabilities.getContents().getScalarCapabilities().hasLogicalOperators() );
}
}