67 lines
1.9 KiB
JavaScript
67 lines
1.9 KiB
JavaScript
var Polygon = require('../../../../src/geo/geometry-models/polygon');
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describe('src/geo/geometry-models/polygon', function () {
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beforeEach(function () {
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this.polygon = new Polygon(null, {
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latlngs: [
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[-1, 1], [1, 2], [3, 4]
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]
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});
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});
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describe('.toGeoJSON', function () {
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it('should generate the GeoJSON correctly', function () {
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expect(this.polygon.toGeoJSON()).toEqual({
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type: 'Polygon',
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coordinates: [
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[ [ 1, -1 ], [ 2, 1 ], [ 4, 3 ], [ 1, -1 ] ]
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]
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});
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});
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});
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describe('.setCoordinatesFromGeoJSON', function () {
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beforeEach(function () {
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this.changeCallback = jasmine.createSpy('changeCallback');
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this.polygon.on('change', this.changeCallback);
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});
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describe('when given a GeoJSON with the same coordinates', function () {
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beforeEach(function () {
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var newAndExpectedGeoJSON = this.polygon.toGeoJSON();
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this.polygon.setCoordinatesFromGeoJSON(newAndExpectedGeoJSON);
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});
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it('should NOT trigger a "change" event', function () {
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expect(this.changeCallback).not.toHaveBeenCalled();
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});
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});
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describe('when given a GeoJSON with different coordinates', function () {
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beforeEach(function () {
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var newAndExpectedGeoJSON = {
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type: 'Polygon',
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coordinates: [
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[ [ 0, 0 ], [ 10, 10 ], [ 20, 20 ], [ 0, 0 ] ]
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]
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};
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this.polygon.setCoordinatesFromGeoJSON(newAndExpectedGeoJSON);
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expect(this.polygon.toGeoJSON()).toEqual(newAndExpectedGeoJSON);
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});
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it('should trigger a "change" event', function () {
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expect(this.changeCallback).toHaveBeenCalled();
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});
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it('should update the coordinates', function () {
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expect(this.polygon.toGeoJSON()).toEqual({
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type: 'Polygon',
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coordinates: [
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[ [ 0, 0 ], [ 10, 10 ], [ 20, 20 ], [ 0, 0 ] ]
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]
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});
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});
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});
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});
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});
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