GridSubSetFactoryTest.java

package org.geowebcache.grid;

import java.util.Arrays;

import junit.framework.TestCase;

public class GridSubSetFactoryTest extends TestCase {

    GridSetBroker gridSetBroker = new GridSetBroker(false, false);

    public void testCoverageBounds() throws Exception {
        BoundingBox bbox = new BoundingBox(0, 0, 180, 90);

        GridSubset grid = GridSubsetFactory.createGridSubSet(gridSetBroker.WORLD_EPSG4326, bbox, 0,
                0);

        long[] ret = grid.getCoverage(0);
        long[] correct = { 1, 0, 1, 0, 0 };

        assertTrue(Arrays.equals(correct, ret));
    }

    public void testCoverageBounds2() throws Exception {
        BoundingBox bbox = new BoundingBox(0, 0, 180, 90);

        GridSubset grid = GridSubsetFactory.createGridSubSet(gridSetBroker.WORLD_EPSG4326, bbox, 0,
                1);

        long[] ret = grid.getCoverage(1);
        long[] correct = { 2, 1, 3, 1, 1 };

        assertTrue(Arrays.equals(correct, ret));
    }

    public void testGridNames() throws Exception {
        BoundingBox bbox = new BoundingBox(0, 0, 180, 90);

        int zoomStart = 3;
        int zoomStop = 9;
        GridSubset grid = GridSubsetFactory.createGridSubSet(gridSetBroker.WORLD_EPSG4326, bbox,
                zoomStart, zoomStop);

        String[] gridNames = grid.getGridNames();
        final int nlevels = 1 + (grid.getZoomStop() - grid.getZoomStart());
        assertEquals(nlevels, gridNames.length);
        for (String name : gridNames) {
            assertNotNull(name);
        }
    }
    
    public void testWMTSCoverage() throws Exception {
        BoundingBox bbox = new BoundingBox(0, 0, 180, 90);

        GridSubset grid = GridSubsetFactory.createGridSubSet(gridSetBroker.WORLD_EPSG4326, bbox, 1,
                3);

        long[][] coverages = grid.getWMTSCoverages();
        assertEquals(3, coverages.length);
        long[] correct = { 2, 0, 3, 0 };

        assertTrue(Arrays.equals(correct, coverages[0]));
    }

    public void testGridIndex() throws Exception {
        BoundingBox bbox = new BoundingBox(0, 0, 180, 90);

        int zoomStart = 3;
        int zoomStop = 9;
        GridSubset grid = GridSubsetFactory.createGridSubSet(gridSetBroker.WORLD_EPSG4326, bbox,
                zoomStart, zoomStop);

        String[] gridNames = grid.getGridNames();
        for (int i = 0, z = zoomStart; i < gridNames.length; i++, z++) {
            assertEquals(z, grid.getGridIndex(gridNames[i]));
        }        
    }
}