EnvelopePanelTest.java

/* (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.web.wicket;

import static org.junit.Assert.*;

import org.apache.wicket.Component;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.util.tester.FormTester;
import org.geoserver.web.ComponentBuilder;
import org.geoserver.web.FormTestPage;
import org.geoserver.web.GeoServerWicketTestSupport;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.referencing.CRS;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.junit.Test;
import org.opengis.referencing.crs.CoordinateReferenceSystem;

import com.vividsolutions.jts.geom.Envelope;

public class EnvelopePanelTest extends GeoServerWicketTestSupport {

    @Test
    public void testEditPlain() throws Exception {
        final ReferencedEnvelope e = new ReferencedEnvelope(-180,180,-90,90, DefaultGeographicCRS.WGS84);
        tester.startPage(new FormTestPage(new ComponentBuilder() {
        
            public Component buildComponent(String id) {
                return new EnvelopePanel(id, e);
            }
        }));
        
        tester.assertComponent( "form", Form.class );
        
        FormTester ft = tester.newFormTester( "form");
        assertEquals( "-180", ft.getTextComponentValue( "panel:minX") );
        assertEquals( "-90", ft.getTextComponentValue( "panel:minY") );
        assertEquals( "180", ft.getTextComponentValue( "panel:maxX") );
        assertEquals( "90", ft.getTextComponentValue( "panel:maxY") );
        
        EnvelopePanel ep = (EnvelopePanel) tester.getComponentFromLastRenderedPage("form:panel");
        assertEquals( e, ep.getModelObject() );
        
        ft.setValue( "panel:minX", "-2");
        ft.setValue( "panel:minY", "-2");
        ft.setValue( "panel:maxX", "2");
        ft.setValue( "panel:maxY", "2");
        
        ft.submit();
        
        assertEquals( new Envelope(-2,2,-2,2), ep.getModelObject() );
        assertEquals( DefaultGeographicCRS.WGS84, ((ReferencedEnvelope) ep.getModelObject()).getCoordinateReferenceSystem() );
    }
    
    @Test
    public void testEditCRS() throws Exception {
        CoordinateReferenceSystem epsg4326 = CRS.decode("EPSG:4326", true);
        CoordinateReferenceSystem epsg4140 = CRS.decode("EPSG:4140", true);
        final ReferencedEnvelope e = new ReferencedEnvelope(-180,180,-90,90, epsg4326);
        tester.startPage(new FormTestPage(new ComponentBuilder() {
        
            public Component buildComponent(String id) {
                EnvelopePanel panel = new EnvelopePanel(id, e);
                panel.setCRSFieldVisible(true);
                return panel;
            }
        }));
        
        tester.assertComponent( "form", Form.class );
        
        FormTester ft = tester.newFormTester( "form");
        // print(tester.getLastRenderedPage(), true, true);
        assertEquals( "-180", ft.getTextComponentValue( "panel:minX") );
        assertEquals( "-90", ft.getTextComponentValue( "panel:minY") );
        assertEquals( "180", ft.getTextComponentValue( "panel:maxX") );
        assertEquals( "90", ft.getTextComponentValue( "panel:maxY") );
        assertEquals( "EPSG:4326", ft.getTextComponentValue( "panel:crsContainer:crs:srs") );
        
        EnvelopePanel ep = (EnvelopePanel) tester.getComponentFromLastRenderedPage("form:panel");
        assertEquals( e, ep.getModelObject() );
        
        ft.setValue( "panel:minX", "-2");
        ft.setValue( "panel:minY", "-2");
        ft.setValue( "panel:maxX", "2");
        ft.setValue( "panel:maxY", "2");
        ft.setValue( "panel:crsContainer:crs:srs", "EPSG:4140");
        
        ft.submit();
        
        assertEquals( new Envelope(-2,2,-2,2), ep.getModelObject() );
        assertEquals( epsg4140, ((ReferencedEnvelope) ep.getModelObject()).getCoordinateReferenceSystem() );
    }

    @Test
    public void testDecimalsPreserved() throws Exception {
        final ReferencedEnvelope e = new ReferencedEnvelope(-0.1E-10, 1.0E-9, -9E-11, 9E-11,
                DefaultGeographicCRS.WGS84);
        tester.startPage(new FormTestPage(new ComponentBuilder() {

            public Component buildComponent(String id) {
                return new EnvelopePanel(id, e);
            }
        }));

        tester.assertComponent("form", Form.class);

        FormTester ft = tester.newFormTester("form");
        assertEquals("-0.00000000001", ft.getTextComponentValue("panel:minX"));
        assertEquals("-0.00000000009", ft.getTextComponentValue("panel:minY"));
        assertEquals("0.000000001", ft.getTextComponentValue("panel:maxX"));
        assertEquals("0.00000000009", ft.getTextComponentValue("panel:maxY"));
    }
}