org.geoserver.python.format.PythonMapFormatAdapterTest.java Source code

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Here is the source code for org.geoserver.python.format.PythonMapFormatAdapterTest.java

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/* Copyright (c) 2001 - 2013 OpenPlans - www.openplans.org. All rights reserved.
 * This code is licensed under the GPL 2.0 license, available at the root
 * application directory.
 */
package org.geoserver.python.format;

import static org.junit.Assert.assertEquals;

import java.io.ByteArrayOutputStream;
import java.io.File;

import org.apache.commons.io.FileUtils;
import org.geoserver.platform.GeoServerResourceLoader;
import org.geoserver.python.Python;
import org.geoserver.wms.WMSMapContent;
import org.geotools.data.DataUtilities;
import org.geotools.feature.DefaultFeatureCollection;
import org.geotools.feature.FeatureCollection;
import org.geotools.feature.simple.SimpleFeatureBuilder;
import org.geotools.feature.simple.SimpleFeatureTypeBuilder;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.map.FeatureLayer;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.junit.BeforeClass;
import org.junit.Test;
import org.opengis.feature.simple.SimpleFeatureType;

import com.vividsolutions.jts.geom.LineString;
import com.vividsolutions.jts.geom.Point;
import com.vividsolutions.jts.io.WKTReader;

public class PythonMapFormatAdapterTest {

    static Python py;
    static PythonMapFormatAdapter adapter;

    @BeforeClass
    public static void setUpData() throws Exception {
        GeoServerResourceLoader loader = new GeoServerResourceLoader(new File("target"));
        py = new Python(loader);

        File f = new File("target", "foo_mapformat.py");
        FileUtils.copyURLToFile(PythonVectorFormatAdapterTest.class.getResource("foo_mapformat.py"), f);
        adapter = new PythonMapFormatAdapter(f, py);
    }

    @Test
    public void testGetName() {
        assertEquals("Foo", adapter.getName());
    }

    @Test
    public void testGetMimeType() {
        assertEquals("text/plain", adapter.getMimeType());
    }

    @Test
    public void testWrite() throws Exception {
        SimpleFeatureTypeBuilder tb = new SimpleFeatureTypeBuilder();
        tb.setName("feature1");
        tb.add("geometry", Point.class);
        tb.add("name", String.class);
        SimpleFeatureType type1 = tb.buildFeatureType();

        tb.setName("feature2");
        tb.add("geometry", LineString.class);
        tb.add("name", String.class);
        SimpleFeatureType type2 = tb.buildFeatureType();

        WKTReader wkt = new WKTReader();

        FeatureCollection features1 = new DefaultFeatureCollection(null, null);

        SimpleFeatureBuilder b = new SimpleFeatureBuilder(type1);
        b.add(wkt.read("POINT(0 0)"));
        b.add("zero");
        features1.add(b.buildFeature("fid.0"));

        FeatureCollection features2 = new DefaultFeatureCollection(null, null);

        b = new SimpleFeatureBuilder(type2);
        b.add(wkt.read("LINESTRING(0 0, 1 1)"));
        b.add("one");
        features2.add(b.buildFeature("fid.1"));

        WMSMapContent context = new WMSMapContent();
        context.addLayer(new FeatureLayer(DataUtilities.source(features1), null));
        context.addLayer(new FeatureLayer(DataUtilities.source(features2), null));
        context.setMapWidth(500);
        context.setMapHeight(500);
        context.getViewport().setBounds(new ReferencedEnvelope(-180, 180, -90, 90, DefaultGeographicCRS.WGS84));

        ByteArrayOutputStream out = new ByteArrayOutputStream();
        adapter.write(context, out);

        String result = "500;500\n" + "(-180.0, -90.0, 180.0, 90.0, EPSG:4326)\n" + "POINT (0 0)\n"
                + "LINESTRING (0 0, 1 1)\n";

        assertEquals(result, new String(out.toByteArray()));
    }

}