/* (c) 2014 Open Source Geospatial Foundation - all rights reserved
 * (c) 2001 - 2013 OpenPlans
 * This code is licensed under the GPL 2.0 license, available at the root
 * application directory.
 */

package org.geoserver.test;

import org.junit.Test;
import org.geotools.data.complex.AppSchemaDataAccess;
import org.w3c.dom.Document;

/**
 * Tests predicates in x-paths
 * Only works online with joining on.
 * 
 * @author Niels Charlier
 */
public class XPathPredicateTest extends AbstractAppSchemaTestSupport {
    
    public static final String GETFEATURE_ATTRIBUTES = "service=\"WFS\" " //
            + "version=\"2.0\" " //
            + "xmlns:wfs=\"http://www.opengis.net/wfs/2.0\" " //
            + "xmlns:gml=\"http://www.opengis.net/gml/3.2\" " //
            + "xmlns:gsml=\"urn:cgi:xmlns:CGI:GeoSciML-Core:3.0.0\" " //    
            + "xmlns:fes=\"http://www.opengis.net/fes/2.0\" " //
            + "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" " //
            + "xsi:schemaLocation=\"http://www.opengis.net/wfs http://schemas.opengis.net/wfs/1.1.0/wfs.xsd " //
            + AbstractAppSchemaMockData.GSML_URI
            + " "
            + AbstractAppSchemaMockData.GSML_SCHEMA_LOCATION_URL //
            + "\""; // end of schemaLocation

    @Override
    protected FeatureGML32MockData createTestData() {
        return new FeatureGML32MockData();
    }
 
    /**
     * Making sure multi-valued attributes in nested features can be queried from the top level. (GEOT-3156) 
     */
    @Test
    public void testFiltering() {
        String xml = 
        "<wfs:GetFeature " 
                + GETFEATURE_ATTRIBUTES 
                + ">" 
                + "    <wfs:Query typeNames=\"gsml:MappedFeature\">" 
                + "        <fes:Filter>" 
                + "            <fes:PropertyIsEqualTo>" 
                + "                <fes:Literal>Olivine basalt, tuff, microgabbro, minor sedimentary rocks</fes:Literal>" 
                + "                <fes:ValueReference>gsml:specification/gsml:GeologicUnit[gml:name='Yaugher Volcanic Group 2']/gml:description</fes:ValueReference>" 
                + "            </fes:PropertyIsEqualTo>" 
                + "        </fes:Filter>" 
                + "    </wfs:Query> " 
                + "</wfs:GetFeature>";
        
        Document doc = postAsDOM("wfs", xml);
        LOGGER.info("WFS filter GetFeature response:\n" + prettyString(doc));
        
        assertXpathCount(2, "//gsml:MappedFeature", doc);          
        assertXpathCount(1, "//wfs:member[1]/gsml:MappedFeature/gsml:specification/gsml:GeologicUnit[gml:name='Yaugher Volcanic Group 2']", doc);
        assertXpathEvaluatesTo("Olivine basalt, tuff, microgabbro, minor sedimentary rocks", "//wfs:member[1]/gsml:MappedFeature/gsml:specification/gsml:GeologicUnit/gml:description", doc);
    }
    
    /**
     * Making sure multi-valued attributes in nested features can be queried from the top level. (GEOT-3156) 
     */
    @Test
    public void testGetPropertyValue() {
        Document doc = getAsDOM("wfs?request=GetPropertyValue&version=2.0.0&typename=gsml:MappedFeature&valueReference=gsml:specification/gsml:GeologicUnit[gml:name='Yaugher Volcanic Group 2']/gml:description");
        
        LOGGER.info("WFS GetPropertyValue response:\n" + prettyString(doc));
        
        assertXpathCount(2, "//wfs:member", doc);

                
    }
    
    
    
}