Leaflet/spec/suites/layer/GeoJSONSpec.js
John Firebaugh 2c22d13ab8 Fix test
2013-06-24 14:39:23 -04:00

136 lines
3.4 KiB
JavaScript

describe("L.GeoJSON", function () {
describe("addData", function () {
var geoJSON = {
type: 'Feature',
properties: {},
geometry: {
type: 'Point',
coordinates: [20, 10]
}
};
it("sets feature property on member layers", function () {
var layer = new L.GeoJSON();
layer.addData(geoJSON);
expect(layer.getLayers()[0].feature).to.eql(geoJSON);
});
it("normalizes a geometry to a Feature", function () {
var layer = new L.GeoJSON();
layer.addData(geoJSON.geometry);
expect(layer.getLayers()[0].feature).to.eql(geoJSON);
});
});
});
describe("L.Marker#toGeoJSON", function () {
it("returns a Point object", function () {
var marker = new L.Marker([10, 20]);
expect(marker.toGeoJSON().geometry).to.eql({
type: 'Point',
coordinates: [20, 10]
});
});
});
describe("L.Polyline#toGeoJSON", function () {
it("returns a LineString object", function () {
var polyline = new L.Polyline([[10, 20], [2, 5]]);
expect(polyline.toGeoJSON().geometry).to.eql({
type: 'LineString',
coordinates: [[20, 10], [5, 2]]
});
});
});
describe("L.MultiPolyline#toGeoJSON", function () {
it("returns a MultiLineString object", function () {
var multiPolyline = new L.MultiPolyline([[[10, 20], [2, 5]], [[1, 2], [3, 4]]]);
expect(multiPolyline.toGeoJSON().geometry).to.eql({
type: 'MultiLineString',
coordinates: [
[[20, 10], [5, 2]],
[[2, 1], [4, 3]]
]
});
});
});
describe("L.Polygon#toGeoJSON", function () {
it("returns a Polygon object (no holes)", function () {
var polygon = new L.Polygon([[1, 2], [3, 4], [5, 6]]);
expect(polygon.toGeoJSON().geometry).to.eql({
type: 'Polygon',
coordinates: [[[2, 1], [4, 3], [6, 5], [2, 1]]]
});
});
it("returns a Polygon object (with holes)", function () {
var polygon = new L.Polygon([[[1, 2], [3, 4], [5, 6]], [[7, 8], [9, 10], [11, 12]]]);
expect(polygon.toGeoJSON().geometry).to.eql({
type: 'Polygon',
coordinates: [
[[2, 1], [4, 3], [6, 5], [2, 1]],
[[8, 7], [10, 9], [12, 11], [8, 7]]
]
});
});
});
describe("L.MultiPolygon#toGeoJSON", function () {
it("returns a MultiPolygon object", function () {
var multiPolygon = new L.MultiPolygon([[[1, 2], [3, 4], [5, 6]]]);
expect(multiPolygon.toGeoJSON().geometry).to.eql({
type: 'MultiPolygon',
coordinates: [
[[[2, 1], [4, 3], [6, 5], [2, 1]]]
]
});
});
});
describe("L.LayerGroup#toGeoJSON", function () {
it("returns a FeatureCollection object", function () {
var marker = new L.Marker([10, 20]),
polyline = new L.Polyline([[10, 20], [2, 5]]),
layerGroup = new L.LayerGroup([marker, polyline]);
expect(layerGroup.toGeoJSON()).to.eql({
type: 'FeatureCollection',
features: [marker.toGeoJSON(), polyline.toGeoJSON()]
});
});
it("ensures that every member is a Feature", function () {
var tileLayer = new L.TileLayer(),
layerGroup = new L.LayerGroup([tileLayer]);
tileLayer.toGeoJSON = function () {
return {
type: 'Point',
coordinates: [20, 10]
}
};
expect(layerGroup.toGeoJSON()).to.eql({
type: 'FeatureCollection',
features: [{
type: 'Feature',
properties: {},
geometry: {
type: 'Point',
coordinates: [20, 10]
}
}]
});
});
it("omits layers which do not implement toGeoJSON", function () {
var tileLayer = new L.TileLayer(),
layerGroup = new L.LayerGroup([tileLayer]);
expect(layerGroup.toGeoJSON()).to.eql({
type: 'FeatureCollection',
features: []
});
});
});