Files
openlayers/test/spec/ol/io/geojson.test.js
2013-01-20 00:28:07 -07:00

66 lines
1.9 KiB
JavaScript

describe('ol.io.geojson', function() {
describe('read()', function() {
it('parses point', function() {
var str = JSON.stringify({
type: 'Point',
coordinates: [10, 20]
});
var obj = ol.io.geojson.read(str);
expect(obj).toBeA(ol.geom.Point);
expect(obj.coordinates[0]).toBe(10);
expect(obj.coordinates[1]).toBe(20);
});
it('parses linestring', function() {
var str = JSON.stringify({
type: 'LineString',
coordinates: [[10, 20], [30, 40]]
});
var obj = ol.io.geojson.read(str);
expect(obj).toBeA(ol.geom.LineString);
expect(obj.coordinates[0]).toBe(10);
expect(obj.coordinates[1]).toBe(20);
expect(obj.coordinates[2]).toBe(30);
expect(obj.coordinates[3]).toBe(40);
});
it('parses polygon', function() {
var outer = [[0, 0], [10, 0], [10, 10], [0, 10], [0, 0]],
inner1 = [[1, 1], [2, 1], [2, 2], [1, 2], [1, 1]],
inner2 = [[8, 8], [9, 8], [9, 9], [8, 9], [8, 8]],
str = JSON.stringify({
type: 'Polygon',
coordinates: [outer, inner1, inner2]
});
var obj = ol.io.geojson.read(str);
expect(obj).toBeA(ol.geom.Polygon);
expect(obj.rings.length).toBe(3);
expect(obj.rings[0]).toBeA(ol.geom.LinearRing);
expect(obj.rings[1]).toBeA(ol.geom.LinearRing);
expect(obj.rings[2]).toBeA(ol.geom.LinearRing);
});
it('parses geometry collection', function() {
var str = JSON.stringify({
type: 'GeometryCollection',
geometries: [
{type: 'Point', coordinates: [10, 20]},
{type: 'LineString', coordinates: [[30, 40], [50, 60]]}
]
});
var array = ol.io.geojson.read(str);
expect(array.length).toBe(2);
expect(array[0]).toBeA(ol.geom.Point);
expect(array[1]).toBeA(ol.geom.LineString);
});
});
});