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