TransformerTest.java example

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/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2015, 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.data.transform;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

import org.geotools.data.Query;
import org.junit.Test;
import org.opengis.filter.sort.SortBy;
import org.opengis.filter.sort.SortOrder;

public class TransformerTest extends AbstractTransformTest {

    @Test
    public void testTransformedSortBy() throws Exception {
        TransformFeatureSource transformedSource = (TransformFeatureSource) transformWithRename();
        
        Query query = new Query(Query.ALL);
        query.setSortBy(new SortBy[] { FF.sort("name", SortOrder.DESCENDING) });

        Query transformedQuery = transformedSource.transformer.transformQuery(query);
        assertNotNull(transformedQuery);
        assertNotNull(transformedQuery.getSortBy());
        assertEquals(1, transformedQuery.getSortBy().length);
        assertEquals("state_name", transformedQuery.getSortBy()[0].getPropertyName().toString());
    }

}