GMapsConverterTest.java

package org.geowebcache.service.gmaps;

import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletResponse;

import junit.framework.TestCase;

import org.geowebcache.GeoWebCacheException;
import org.geowebcache.conveyor.ConveyorTile;
import org.geowebcache.filter.parameters.ParameterFilter;
import org.geowebcache.filter.parameters.RegexParameterFilter;
import org.geowebcache.grid.GridSetBroker;
import org.geowebcache.layer.TileLayerDispatcher;
import org.geowebcache.layer.TileLayerDispatcherMock;
import org.geowebcache.layer.wms.WMSLayer;
import org.geowebcache.service.ServiceException;
import org.geowebcache.storage.StorageBroker;
import org.springframework.mock.web.MockHttpServletRequest;

public class GMapsConverterTest extends TestCase {

    @Override
    protected void setUp() throws Exception {
        super.setUp();
    }

    /**
     * see http://code.google.com/apis/maps/documentation/overlays.html# Custom_Map_Types
     * 
     * @throws Exception
     */
    public void testGMapsConverter() throws Exception {
        /* Check origin location */
        int x = 0;
        int y = 0;
        int z = 0;
        long[] gridLoc = GMapsConverter.convert(z, x, y);
        long[] solution = { 0, 0, 0 };
        assert (Arrays.equals(gridLoc, solution));

        /* Check zoomlevel */
        x = 0;
        y = 0;
        z = 1;
        solution[0] = 0;
        solution[1] = 1;
        solution[2] = 1;
        gridLoc = GMapsConverter.convert(z, x, y);
        assert (Arrays.equals(gridLoc, solution));

        /* Check top right */
        x = 1;
        y = 0;
        z = 1;
        solution[0] = 1;
        solution[1] = 1;
        solution[2] = 1;
        gridLoc = GMapsConverter.convert(z, x, y);
        assert (Arrays.equals(gridLoc, solution));

        /* Check top right, zoomlevel */
        x = 3;
        y = 0;
        z = 2;
        solution[0] = 3;
        solution[1] = 3;
        solution[2] = 2;
        gridLoc = GMapsConverter.convert(z, x, y);
        assert (Arrays.equals(gridLoc, solution));

        /* Check middle */
        x = 2;
        y = 1;
        z = 2;
        solution[0] = 2;
        solution[1] = 2;
        solution[2] = 2;
        gridLoc = GMapsConverter.convert(z, x, y);
        assert (Arrays.equals(gridLoc, solution));

        // System.out.println(Arrays.toString(solution));
        // System.out.println(Arrays.toString(gridLoc));
    }

    private static final String CQL_FILTER_PARAMETER_NAME = "CQL_FILTER";

    private static final String CQL_FILTER_PARAMETER_VALUE = "value='x'";

    private static final String TEST_LAYER_NAME = "testLayer";

    public void testConveyorCreation() {
        StorageBroker sb = null;

        List<ParameterFilter> filters = new ArrayList<ParameterFilter>();
        RegexParameterFilter parameterFilter = new RegexParameterFilter();
        parameterFilter.setKey(CQL_FILTER_PARAMETER_NAME);
        parameterFilter.setDefaultValue("");
        parameterFilter.setRegex("value='.*'");
        filters.add(parameterFilter);

        WMSLayer wmsLayer = new WMSLayer(TEST_LAYER_NAME, null, null, null, null, null, filters,
                null, null, true, null);

        TileLayerDispatcher tld = new TileLayerDispatcherMock(wmsLayer);

        GridSetBroker gsb = new GridSetBroker(true, true);

        wmsLayer.initialize(gsb);

        MockHttpServletRequest request = new MockHttpServletRequest();
        HttpServletResponse response = null;

        request.addParameter(CQL_FILTER_PARAMETER_NAME, CQL_FILTER_PARAMETER_VALUE);
        request.addParameter("layers", new String[] { TEST_LAYER_NAME });
        request.addParameter("zoom", "12");
        request.addParameter("x", "0");
        request.addParameter("y", "0");

        GMapsConverter converter = new GMapsConverter(sb, tld, gsb);

        try {
            ConveyorTile conveyorTile = converter.getConveyor(request, response);
            Map<String, String> parameters = conveyorTile.getParameters();
            assertNotNull(parameters);
            // assertTrue(parameters.contains(URLEncoder.encode(CQL_FILTER_PARAMETER_VALUE,"UTF8")));
            assertEquals(CQL_FILTER_PARAMETER_VALUE,
                    URLDecoder.decode(parameters.get(CQL_FILTER_PARAMETER_NAME), "UTF8"));
        } catch (ServiceException e) {
            fail();
        } catch (GeoWebCacheException e) {
            fail();
        } catch (UnsupportedEncodingException e) {
            fail();
        }

    }
}