/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2010, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.grid.oblong;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.util.Map;
import org.geotools.data.DataUtilities;
import org.geotools.data.simple.SimpleFeatureSource;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.grid.DefaultGridFeatureBuilder;
import org.geotools.grid.GridElement;
import org.geotools.grid.GridFeatureBuilder;
import org.geotools.grid.PolygonElement;
import org.geotools.grid.TestBase;
import org.geotools.referencing.CRS;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.junit.Test;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.geometry.MismatchedDimensionException;
import org.opengis.referencing.FactoryException;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
/**
* Unit tests for the Oblongs class.
*
* @author mbedward
* @since 2.7
*
*
*
* @source $URL$
* @version $Id$
*/
public class OblongsTest extends TestBase {
@Test
public void create() {
PolygonElement oblong = Oblongs.create(1, 2, 3, 4, null);
assertNotNull(oblong);
assertEnvelope(new ReferencedEnvelope(1, 4, 2, 6, null), oblong.getBounds());
}
@Test(expected = IllegalArgumentException.class)
public void badWidth() {
Oblongs.create(1, 2, -1, 4, null);
}
@Test(expected = IllegalArgumentException.class)
public void badHeight() {
Oblongs.create(1, 2, 3, -1, null);
}
@Test
public void createGrid() throws Exception {
final SimpleFeatureType TYPE = DataUtilities.createType("obtype", "oblong:Polygon,id:Integer");
final double SPAN = 100;
final ReferencedEnvelope bounds = new ReferencedEnvelope(0, SPAN, 0, SPAN, null);
class Setter extends GridFeatureBuilder {
int id = 0;
public Setter(SimpleFeatureType type) {
super(type);
}
@Override
public void setAttributes(GridElement el, Map<String, Object> attributes) {
attributes.put("id", ++id);
}
}
Setter setter = new Setter(TYPE);
final double WIDTH = 5.0;
final double HEIGHT = 10.0;
SimpleFeatureSource gridSource = Oblongs.createGrid(bounds, WIDTH, HEIGHT, setter);
assertNotNull(gridSource);
int expectedCols = (int) (SPAN / WIDTH);
int expectedRows = (int) (SPAN / HEIGHT);
assertEquals(expectedCols * expectedRows, setter.id);
assertEquals(setter.id, gridSource.getFeatures().size());
}
@Test(expected=IllegalArgumentException.class)
public void createGrid_InvalidBounds() {
Oblongs.createGrid(ReferencedEnvelope.EVERYTHING, 1.0, 1.0, new DefaultGridFeatureBuilder());
}
@Test(expected=IllegalArgumentException.class)
public void createGrid_NullBounds() {
Oblongs.createGrid(null, 1.0, 1.0, new DefaultGridFeatureBuilder());
}
@Test(expected=IllegalArgumentException.class)
public void createGrid_badWidth() {
Oblongs.createGrid(new ReferencedEnvelope(0, 10, 0, 10, null), 0, 1.0, new DefaultGridFeatureBuilder());
}
@Test(expected=IllegalArgumentException.class)
public void createGrid_badHeight() {
Oblongs.createGrid(new ReferencedEnvelope(0, 10, 0, 10, null), 1, 0, new DefaultGridFeatureBuilder());
}
@Test(expected=IllegalArgumentException.class)
public void createGrid_MisMatchedCRS() {
try {
ReferencedEnvelope env = new ReferencedEnvelope(0, 10, 0, 10, DefaultGeographicCRS.WGS84);
CoordinateReferenceSystem otherCRS = CRS.parseWKT(getSydneyWKT());
GridFeatureBuilder builder = new DefaultGridFeatureBuilder(otherCRS);
Oblongs.createGrid(env, 0, 1.0, builder);
} catch (FactoryException ex) {
throw new IllegalStateException("Error in test code");
} catch (MismatchedDimensionException ex) {
throw new IllegalStateException("Error in test code");
}
}
}