package org.geowebcache.arcgis.layer;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.URL;
import java.util.List;
import junit.framework.TestCase;
import org.geowebcache.arcgis.config.CacheInfo;
import org.geowebcache.arcgis.config.CacheInfoPersister;
import org.geowebcache.arcgis.config.LODInfo;
import org.geowebcache.arcgis.config.TileOrigin;
import org.geowebcache.grid.BoundingBox;
import org.geowebcache.grid.GridSet;
import org.geowebcache.grid.GridSubsetFactory;
/**
* Unit test suite for the {@link GridSetBuilder} utility class
*
* @author Gabriel Roldan
*
*/
public class GridSetBuilderTest extends TestCase {
private GridSetBuilder builder;
private CacheInfo cacheInfo;
private BoundingBox layerBounds;
private GridSet gridset;
@Override
public void setUp() throws Exception {
URL url = getClass().getResource("/arcgis_09.2_conf.xml");
CacheInfoPersister persister = new CacheInfoPersister();
InputStream stream = url.openStream();
Reader reader = new InputStreamReader(stream);
try {
cacheInfo = persister.load(reader);
} finally {
stream.close();
}
layerBounds = new BoundingBox(-10, -10, 100, 50);
builder = new GridSetBuilder();
gridset = builder.buildGridset("TestLayer", cacheInfo, layerBounds);
assertNotNull(gridset);
}
public void testBounds() {
assertTrue(gridset.isTopLeftAligned());
BoundingBox bounds = gridset.getBounds();
TileOrigin tileOrigin = cacheInfo.getTileCacheInfo().getTileOrigin();
assertEquals(tileOrigin.getX(), bounds.getMinX());
assertEquals(tileOrigin.getY(), bounds.getMaxY());
assertTrue(bounds.contains(layerBounds));
}
public void testResolutionsAndScaleDenoms() {
double[] resolutions = GridSubsetFactory.createGridSubSet(gridset).getResolutions();
List<LODInfo> lodInfos = cacheInfo.getTileCacheInfo().getLodInfos();
assertEquals(lodInfos.size(), resolutions.length);
for (int i = 0; i < resolutions.length; i++) {
LODInfo lodInfo = lodInfos.get(i);
assertEquals(lodInfo.getResolution(), resolutions[i]);
assertEquals(lodInfo.getScale(), gridset.getGrids()[i].getScaleDenominator(), 1e-6);
}
}
}