DefaultWebMapServiceTest.java

/* (c) 2014 - 2015 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.wms;


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

import java.util.ArrayList;
import java.util.List;

import org.geoserver.data.test.MockData;
import org.geotools.referencing.CRS;
import org.junit.Test;
import org.opengis.referencing.crs.CoordinateReferenceSystem;

import com.vividsolutions.jts.geom.Envelope;

public class DefaultWebMapServiceTest extends WMSTestSupport {

   
    /**
     * This is just a very basic test, mostly testing defaults
     * 
     */
    @Test 
    public void testBasic() throws Exception {
        GetMapRequest mockGMR = createGetMapRequest(MockData.BASIC_POLYGONS);

        /* Create a request */
        GetMapRequest request = new GetMapRequest();

        /* Create the reflector */
        DefaultWebMapService reflector = new DefaultWebMapService(getWMS());

        /* Run the reflector */
        request.setLayers(mockGMR.getLayers());
        request.setFormat(DefaultWebMapService.FORMAT);
        reflector.autoSetBoundsAndSize(request);

        CoordinateReferenceSystem crs = request.getCrs();
        String srs = request.getSRS();
        Envelope bbox = request.getBbox();
        String format = request.getFormat();
        int width = request.getWidth();
        int height = request.getHeight();

        String crsString = crs.getName().toString();
        assertTrue("EPSG:WGS 84".equalsIgnoreCase(crsString));
        assertTrue("EPSG:4326".equalsIgnoreCase(srs));
        // mockGMR.getBbox() actually returns (-180 , 90 , -90 , 180 ) <- foo
        assertTrue(bbox.getMinX() == -180.0 && bbox.getMaxX() == 180.0 && bbox.getMinY() == -90.0
                && bbox.getMaxY() == 90.0);
        assertEquals("image/png", format);
        assertEquals(width, 768);
        assertEquals(height, 384);
    }

    /**
     * Tests basic reprojection
     * 
     */
    @Test 
    public void testReprojection() throws Exception {
        GetMapRequest mockGMR = createGetMapRequest(MockData.BASIC_POLYGONS);

        /* Create a request */
        GetMapRequest request = new GetMapRequest();

        /* Create the reflector */
        DefaultWebMapService reflector = new DefaultWebMapService(getWMS());

        /* Run the reflector */
        request.setSRS("EPSG:41001");
        request.setCrs(CRS.decode("EPSG:41001"));
        request.setLayers(mockGMR.getLayers());
        request.setFormat("image/gif");
        reflector.autoSetBoundsAndSize(request);

        CoordinateReferenceSystem crs = request.getCrs();
        String srs = request.getSRS();
        Envelope bbox = request.getBbox();
        String format = request.getFormat();
        int width = request.getWidth();
        int height = request.getHeight();

        String crsString = crs.getName().toString();
        assertTrue("WGS84 / Simple Mercator".equalsIgnoreCase(crsString));
        assertTrue("EPSG:41001".equalsIgnoreCase(srs));
        // mockGMR.getBbox() actually returns (-180 , 90 , -90 , 180 ) <- foo
        assertTrue(Math.abs(bbox.getMinX() + 1.9236008009077676E7) < 1E-4
                && Math.abs(bbox.getMinY() + 2.2026354993694823E7) < 1E-4
                && Math.abs(bbox.getMaxX() - 1.9236008009077676E7) < 1E-4
                && Math.abs(bbox.getMaxY() - 2.2026354993694823E7) < 1E-4);
        assertEquals("image/gif", format);
        assertEquals(670, width);
        assertEquals(768, height);
    }

    /**
     * This test is incomplete because I (arneke) had trouble finding mock data with proper bounding
     * boxes
     * 
     */
    @Test
    public void testAutoSetWidthHeight() throws Exception {
        GetMapRequest mockStreams = createGetMapRequest(MockData.BRIDGES);
        GetMapRequest mockBridges = createGetMapRequest(MockData.STREAMS);

        List<MapLayerInfo> mls = new ArrayList<MapLayerInfo>(2);
        mls.add(mockBridges.getLayers().get(0));
        mls.add(mockStreams.getLayers().get(0));

        /* Create a request */
        GetMapRequest request = new GetMapRequest();

        /* Create the reflector */
        DefaultWebMapService reflector = new DefaultWebMapService(getWMS());

        /* Run the reflector */
        request.setSRS("EPSG:41001");
        request.setCrs(CRS.decode("EPSG:41001"));
        request.setLayers(mls);
        request.setFormat("image/gif");
        reflector.autoSetBoundsAndSize(request);

        CoordinateReferenceSystem crs = request.getCrs();
        String srs = request.getSRS();
        Envelope bbox = request.getBbox();
        String format = request.getFormat();
        int width = request.getWidth();
        int height = request.getHeight();

        String crsString = crs.getName().toString();
        assertTrue("WGS84 / Simple Mercator".equalsIgnoreCase(crsString));
        assertTrue("EPSG:41001".equalsIgnoreCase(srs));
        assertTrue(Math.abs(bbox.getMinX() + 1.9236008009077676E7) < 1E-4
                && Math.abs(bbox.getMinY() + 2.2026354993694823E7) < 1E-4
                && Math.abs(bbox.getMaxX() - 1.9236008009077676E7) < 1E-4
                && Math.abs(bbox.getMaxY() - 2.2026354993694823E7) < 1E-4);
        assertEquals("image/gif", format);
        assertEquals(670, width);
        assertEquals(768, height);
    }

    /**
     * This test is incomplete because I (arneke) had trouble finding mock data with proper bounding
     * boxes
     * 
     */
    @Test
    public void testAutoSetWidthHeightOL() throws Exception {
        DefaultWebMapService reflector = new DefaultWebMapService(getWMS());

        // request too stretched east/west
        GetMapRequest request = createGetMapRequest(MockData.BRIDGES);
        request.setBbox(new Envelope(-180, 180, 0, 10));
        request.setFormat("application/openlayers");
        reflector.autoSetBoundsAndSize(request);
        assertEquals(768, request.getWidth());
        assertEquals(330, request.getHeight());

        // request too stretched south/north
        request = createGetMapRequest(MockData.BRIDGES);
        request.setBbox(new Envelope(-0, 10, -90, 90));
        request.setFormat("application/openlayers");
        reflector.autoSetBoundsAndSize(request);
        assertEquals(330, request.getWidth());
        assertEquals(768, request.getHeight());
    }

    @Test
    public void testAdvancedProjectionEnabled() {
        // Ensure that by default advanced projection handling is enabled
        assertTrue(getWMS().isAdvancedProjectionHandlingEnabled());
    }

}