336 lines
9.0 KiB
JavaScript
336 lines
9.0 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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properties: {},
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geometry: {
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type: 'Point',
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coordinates: [20, 10, 5]
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}
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}, geoJSONEmpty = {
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type: 'Feature',
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properties: {},
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geometry: null
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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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it("accepts geojson with null geometry", function () {
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var layer = new L.GeoJSON();
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layer.addData(geoJSONEmpty);
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expect(layer.getLayers().length).to.eql(0);
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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 2D 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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it("returns a 3D Point object", function () {
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var marker = new L.Marker([10, 20, 30]);
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expect(marker.toGeoJSON().geometry).to.eql({
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type: 'Point',
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coordinates: [20, 10, 30]
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});
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});
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});
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describe("L.Circle#toGeoJSON", function () {
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it("returns a 2D Point object", function () {
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var circle = new L.Circle([10, 20], 100);
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expect(circle.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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it("returns a 3D Point object", function () {
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var circle = new L.Circle([10, 20, 30], 100);
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expect(circle.toGeoJSON().geometry).to.eql({
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type: 'Point',
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coordinates: [20, 10, 30]
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});
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});
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});
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describe("L.CircleMarker#toGeoJSON", function () {
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it("returns a 2D Point object", function () {
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var marker = new L.CircleMarker([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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it("returns a 3D Point object", function () {
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var marker = new L.CircleMarker([10, 20, 30]);
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expect(marker.toGeoJSON().geometry).to.eql({
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type: 'Point',
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coordinates: [20, 10, 30]
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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 2D 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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it("returns a 3D LineString object", function () {
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var polyline = new L.Polyline([[10, 20, 30], [2, 5, 10]]);
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expect(polyline.toGeoJSON().geometry).to.eql({
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type: 'LineString',
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coordinates: [[20, 10, 30], [5, 2, 10]]
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});
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});
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});
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describe("L.Polyline (multi) #toGeoJSON", function () {
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it("returns a 2D MultiLineString object", function () {
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var multiPolyline = new L.Polyline([[[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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it("returns a 3D MultiLineString object", function () {
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var multiPolyline = new L.Polyline([[[10, 20, 30], [2, 5, 10]], [[1, 2, 3], [4, 5, 6]]]);
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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, 30], [5, 2, 10]],
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[[2, 1, 3], [5, 4, 6]]
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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 2D Polygon object (no holes) from a flat LatLngs array", 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 3D Polygon object (no holes) from a flat LatLngs array", function () {
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var polygon = new L.Polygon([[1, 2, 3], [4, 5, 6], [7, 8, 9]]);
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expect(polygon.toGeoJSON().geometry).to.eql({
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type: 'Polygon',
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coordinates: [[[2, 1, 3], [5, 4, 6], [8, 7, 9], [2, 1, 3]]]
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});
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});
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it("returns a 2D Polygon object from a simple GeoJSON like input", function () {
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var multiPolygon = new L.Polygon([[[1, 2], [3, 4], [5, 6]]]);
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expect(multiPolygon.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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]
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});
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});
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it("returns a 3D MultiPolygon object from a simple GeoJSON like input", function () {
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var multiPolygon = new L.Polygon([[[1, 2, 3], [4, 5, 6], [7, 8, 9]]]);
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expect(multiPolygon.toGeoJSON().geometry).to.eql({
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type: 'Polygon',
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coordinates: [
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[[2, 1, 3], [5, 4, 6], [8, 7, 9], [2, 1, 3]]
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]
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});
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});
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it("returns a 2D 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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it("returns a 3D 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], [13, 14, 15], [16, 17, 18]]]);
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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, 3], [5, 4, 6], [8, 7, 9], [2, 1, 3]],
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[[11, 10, 12], [14, 13, 15], [17, 16, 18], [11, 10, 12]]
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]
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});
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});
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});
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describe("L.Polygon (multi) #toGeoJSON", function () {
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it("returns a 2D MultiPolygon object", function () {
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var multiPolygon = new L.Polygon([[[[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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it("returns a 3D MultiPolygon object", function () {
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var multiPolygon = new L.Polygon([[[[1, 2, 3], [4, 5, 6], [7, 8, 9]]]]);
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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, 3], [5, 4, 6], [8, 7, 9], [2, 1, 3]]]
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]
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});
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});
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it("returns a 2D MultiPolygon object with two polygons", function () {
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var multiPolygon = new L.Polygon([[[[1, 2], [3, 4], [5, 6]]], [[[7, 8], [9, 10], [11, 12]]]]);
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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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[[[8, 7], [10, 9], [12, 11], [8, 7]]]
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]
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});
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});
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it("returns a 2D MultiPolygon object with polygon having a hole", function () {
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var multiPolygon = new L.Polygon([[[[1, 2], [3, 4], [5, 6]], [[7, 8], [9, 10], [11, 12]]]]);
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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]], [[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.LayerGroup#toGeoJSON", function () {
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it("returns a 2D 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("returns a 3D FeatureCollection object", function () {
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var marker = new L.Marker([10, 20, 30]),
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polyline = new L.Polyline([[10, 20, 30], [2, 5, 10]]),
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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('roundtrips GeometryCollection features', function () {
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var json = {
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"type": "FeatureCollection",
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"features": [{
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"type": "Feature",
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"geometry": {
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"type": "GeometryCollection",
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"geometries": [{
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"type": "LineString",
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"coordinates": [[-122.4425587930444, 37.80666418607323], [-122.4428379594768, 37.80663578323093]]
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}, {
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"type": "LineString",
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"coordinates": [
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[-122.4425509770566, 37.80662588061205],
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[-122.4428340530617, 37.8065999493009]
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]
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}]
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},
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"properties": {
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"name": "SF Marina Harbor Master"
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}
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}]
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};
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expect(L.geoJson(json).toGeoJSON()).to.eql(json);
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});
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it('roundtrips MiltiPoint features', function () {
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var json = {
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"type": "FeatureCollection",
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"features": [{
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"type": "Feature",
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"geometry": {
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"type": "MultiPoint",
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"coordinates": [[-122.4425587930444, 37.80666418607323], [-122.4428379594768, 37.80663578323093]]
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},
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"properties": {
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"name": "Test MultiPoints"
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}
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}]
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};
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expect(L.geoJson(json).toGeoJSON()).to.eql(json);
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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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