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carto.js/test/spec/geo/geometry-models/multi-polygon.spec.js
2020-06-13 18:34:34 +08:00

55 lines
1.4 KiB
JavaScript

var MultiPolygon = require('../../../../src/geo/geometry-models/multi-polygon');
describe('src/geo/geometry-models/multi-polygon', function () {
beforeEach(function () {
this.multiPolygon = new MultiPolygon(null, {
latlngs: [
[
[0, 1],
[1, 2],
[2, 3],
[3, 4]
],
[
[0, 10],
[10, 20],
[20, 30],
[30, 40]
]
]
});
});
describe('.toGeoJSON', function () {
it('should generate the GeoJSON correctly', function () {
expect(this.multiPolygon.toGeoJSON()).toEqual({
type: 'MultiPolygon',
coordinates: [
[
[ [ 1, 0 ], [ 2, 1 ], [ 3, 2 ], [ 4, 3 ], [ 1, 0 ] ]
], [
[ [ 10, 0 ], [ 20, 10 ], [ 30, 20 ], [ 40, 30 ], [ 10, 0 ] ]
]
]
});
});
});
describe('.setCoordinatesFromGeoJSON', function () {
it('should update the coordinates', function () {
var newAndExpectedGeoJSON = {
type: 'MultiPolygon',
coordinates: [
[
[ [ 0, 0 ], [ 2, 1 ], [ 3, 2 ], [ 4, 3 ], [ 0, 0 ] ]
], [
[ [ 100, 0 ], [ 20, 10 ], [ 30, 20 ], [ 40, 30 ], [ 100, 0 ] ]
]
]
};
this.multiPolygon.setCoordinatesFromGeoJSON(newAndExpectedGeoJSON);
expect(this.multiPolygon.toGeoJSON()).toEqual(newAndExpectedGeoJSON);
});
});
});