package org.geotools.feature;
import static org.junit.Assert.assertEquals;
import java.util.List;
import org.geotools.factory.CommonFactoryFinder;
import org.geotools.feature.simple.SimpleFeatureTypeBuilder;
import org.junit.Assert;
import org.junit.Test;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.feature.type.AttributeDescriptor;
import org.opengis.feature.type.FeatureType;
import org.opengis.filter.FilterFactory;
import org.opengis.filter.expression.Expression;
import org.opengis.filter.expression.Function;
import com.vividsolutions.jts.geom.Point;
/**
*
*
* @source $URL$
*/
public class FeatureTypesTest {
@Test
public void testNoLength() {
SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
builder.setName("NoLength");
builder.setCRS(null);
builder.add("name", String.class);
builder.add("geom", Point.class);
SimpleFeatureType ft = builder.buildFeatureType();
assertEquals(FeatureTypes.ANY_LENGTH, FeatureTypes.getFieldLength(ft.getDescriptor("name")));
assertEquals(FeatureTypes.ANY_LENGTH, FeatureTypes.getFieldLength(ft.getDescriptor("geom")));
}
@Test
public void testStandardLength() {
SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
builder.setName("StdLength");
builder.setCRS(null);
builder.length(20);
builder.add("name", String.class);
builder.add("geom", Point.class);
SimpleFeatureType ft = builder.buildFeatureType();
assertEquals(20, FeatureTypes.getFieldLength(ft.getDescriptor("name")));
assertEquals(FeatureTypes.ANY_LENGTH, FeatureTypes.getFieldLength(ft.getDescriptor("geom")));
}
@Test
public void testCustomLengthExpressions() {
AttributeTypeBuilder builder = new AttributeTypeBuilder();
FilterFactory ff = CommonFactoryFinder.getFilterFactory(null);
Function length = ff.function("LengthFunction", new Expression[]{ff.property(".")});
// strict less
builder.addRestriction(ff.less(length, ff.literal(20)));
builder.setBinding(String.class);
AttributeDescriptor attribute = builder.buildDescriptor("attribute");
assertEquals(19, FeatureTypes.getFieldLength(attribute));
// flip expression
builder.addRestriction(ff.greater(ff.literal(20), length));
builder.setBinding(String.class);
attribute = builder.buildDescriptor("attribute");
assertEquals(19, FeatureTypes.getFieldLength(attribute));
}
@Test
public void testGetAncestors() {
SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
builder.setName("SomeFeature");
builder.setCRS(null);
builder.add("name", String.class);
builder.add("geom", Point.class);
SimpleFeatureType ft = builder.buildFeatureType();
List<FeatureType> types = FeatureTypes.getAncestors(ft);
Assert.assertEquals(1, types.size());
Assert.assertEquals("Feature", types.get(0).getName().getLocalPart());
}
}