package org.geotools.filter.text.ecql;
import java.util.LinkedList;
import java.util.List;
import org.geotools.filter.text.commons.CompilerUtil;
import org.geotools.filter.text.commons.Language;
import org.geotools.filter.text.cql2.CQLException;
import org.geotools.filter.text.cql2.CQLLiteralTest;
import org.junit.Assert;
import org.junit.Test;
import org.opengis.filter.expression.Expression;
import org.opengis.filter.expression.Literal;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryCollection;
import com.vividsolutions.jts.geom.LineString;
import com.vividsolutions.jts.geom.MultiLineString;
import com.vividsolutions.jts.geom.MultiPoint;
import com.vividsolutions.jts.geom.MultiPolygon;
import com.vividsolutions.jts.geom.Point;
import com.vividsolutions.jts.geom.Polygon;
import com.vividsolutions.jts.io.WKTReader;
/**
*
* Literal Test Cases
*
* @author Mauricio Pazos (Axios Engineering)
* @since 2.6
*
*
* @source $URL$
*/
public class ECQLLiteralTest extends CQLLiteralTest {
public ECQLLiteralTest(){
super(Language.ECQL);
}
/**
* Test for LineString Expression
* Sample: LINESTRING( 1 2, 3 4)
* @throws Exception
*/
@Test
public void lineString() throws Exception {
Expression resultFilter;
final String expectedGeometry= "LINESTRING (1 2, 3 4)";
resultFilter = CompilerUtil.parseExpression(language, expectedGeometry);
Assert.assertTrue("DistanceBufferOperator filter was expected",
resultFilter instanceof Literal);
Literal filter = (Literal) resultFilter;
Object actualGeometry = filter.getValue();
Assert.assertTrue("LineString class was expected", actualGeometry instanceof LineString);
assertEqualsGeometries(expectedGeometry, (LineString) actualGeometry);
}
/**
* Sample: POINT(1 2)
* @throws CQLException
*/
@Test
public void point() throws Exception{
// Point
String strGeometry = "POINT(1 2)";
Expression result = CompilerUtil.parseExpression(this.language, strGeometry);
Literal geom = (Literal) result;
Object value = geom.getValue();
Assert.assertNotNull(value);
Assert.assertTrue(value instanceof Point);
assertEqualsGeometries(strGeometry, (Point) value);
}
/**
* Sample: POLYGON((1 2, 15 2, 15 20, 15 21, 1 2))
* @throws Exception
*/
@Test
public void polygon() throws Exception {
Expression expression;
final String expectedGeometry= "POLYGON((1 2, 15 2, 15 20, 15 21, 1 2))";
expression = CompilerUtil.parseExpression(language,expectedGeometry);
Assert.assertTrue(expression instanceof Literal);
Literal literal = (Literal) expression;
Object actualGeometry = literal.getValue();
Assert.assertTrue( actualGeometry instanceof Polygon);
assertEqualsGeometries(expectedGeometry, (Polygon) actualGeometry);
}
/**
* Sample: POLYGON ((40 60, 420 60, 420 320, 40 320, 40 60), (200 140, 160 220, 260 200, 200 140))
*
* @throws Exception
*/
@Test
public void polygonWithHole() throws Exception {
Expression expression;
final String expectedGeometry = "POLYGON ((40 60, 420 60, 420 320, 40 320, 40 60), (200 140, 160 220, 260 200, 200 140))";
expression = CompilerUtil.parseExpression(language,expectedGeometry);
Assert.assertTrue(expression instanceof Literal);
Literal literal = (Literal) expression;
Object actualGeometry = literal.getValue();
Assert.assertTrue( actualGeometry instanceof Polygon);
assertEqualsGeometries(expectedGeometry, (Polygon) actualGeometry);
}
/**
* Sample: MULTIPOINT( (1 2), (15 2), (15 20), (15 21), (1 2) ))
* @throws Exception
*/
@Test
public void multiPoint() throws Exception {
Expression expression;
final String expectedGeometry= "MULTIPOINT( 1 2, 15 2, 15 20, 15 21, 1 2)";
final String txtGeometry= "MULTIPOINT( (1 2), (15 2), (15 20), (15 21), (1 2))";
expression = CompilerUtil.parseExpression(language,txtGeometry);
Assert.assertTrue(expression instanceof Literal);
Literal literal = (Literal) expression;
Object actualGeometry = literal.getValue();
Assert.assertTrue( actualGeometry instanceof MultiPoint);
assertEqualsGeometries(expectedGeometry, (MultiPoint) actualGeometry);
}
/**
* Sample: MULTILINESTRING((10 10, 20 20),(15 15,30 15))
* @throws Exception
*/
@Test
public void multiLineString() throws Exception {
Expression expression;
final String expectedGeom= "MULTILINESTRING((10 10, 20 20),(15 15,30 15))";
expression = CompilerUtil.parseExpression(language,expectedGeom);
Assert.assertTrue(expression instanceof Literal);
Literal literal = (Literal) expression;
Object actualGeometry = literal.getValue();
Assert.assertTrue( actualGeometry instanceof MultiLineString);
assertEqualsGeometries(expectedGeom, (MultiLineString) actualGeometry);
}
/**
* sample: CROSS(ATTR1, GEOMETRYCOLLECTION (POINT (10 10),POINT (30 30),LINESTRING (15 15, 20 20)) )
* @throws Exception
*/
@Test
public void geometryCollection()throws Exception{
// prepares the expected geometries expected in the Geometry collection
List<Geometry> expectedGeometriesList = new LinkedList<Geometry>();
WKTReader reader = new WKTReader();
Geometry g1 = reader.read("POINT (10 10)");
expectedGeometriesList.add(g1);
Geometry g2 = reader.read("POINT (30 30)");
expectedGeometriesList.add(g2);
Geometry g3 = reader.read("LINESTRING (15 15, 20 20))");
expectedGeometriesList.add(g3);
// executes the txt parser
final String expectedGeom = "GEOMETRYCOLLECTION (POINT (10 10),POINT (30 30),LINESTRING (15 15, 20 20))";
Expression result = CompilerUtil.parseExpression(this.language,
expectedGeom);
Assert.assertTrue(result instanceof Literal);
Literal geomLiteral = (Literal) result;
Object actualGeometry =geomLiteral.getValue();
Assert.assertNotNull(actualGeometry);
Assert.assertTrue(actualGeometry instanceof GeometryCollection);
}
/**
* Sample: MULTIPOLYGON( ((10 10, 10 20, 20 20, 20 15, 10 10)),((60 60, 70 70, 80 60, 60 60 )) )
* @throws Exception
*/
@Test
public void multiPolygon() throws Exception {
Expression expression;
final String expectedGeom= "MULTIPOLYGON( ((10 10, 10 20, 20 20, 20 15, 10 10)),((60 60, 70 70, 80 60, 60 60 )) ) ";
expression = CompilerUtil.parseExpression(language,expectedGeom);
Assert.assertTrue(expression instanceof Literal);
Literal literal = (Literal) expression;
Object actualGeometry = literal.getValue();
Assert.assertTrue( actualGeometry instanceof MultiPolygon);
assertEqualsGeometries(expectedGeom, (MultiPolygon) actualGeometry);
}
}