ad62739a6e
In addition to using const and let, this also upgrades our linter config and removes lint (mostly whitespace).
110 lines
4.1 KiB
JavaScript
110 lines
4.1 KiB
JavaScript
import Graticule from '../../../src/ol/Graticule.js';
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import Map from '../../../src/ol/Map.js';
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import {get as getProjection} from '../../../src/ol/proj.js';
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import Stroke from '../../../src/ol/style/Stroke.js';
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import Text from '../../../src/ol/style/Text.js';
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describe('ol.Graticule', function() {
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let graticule;
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function createGraticule() {
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graticule = new Graticule({
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map: new Map({})
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});
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}
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describe('#createGraticule', function() {
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it('creates a graticule without labels', function() {
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createGraticule();
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const extent = [-25614353.926475704, -7827151.696402049,
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25614353.926475704, 7827151.696402049];
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const projection = getProjection('EPSG:3857');
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const resolution = 39135.75848201024;
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const squaredTolerance = resolution * resolution / 4.0;
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graticule.updateProjectionInfo_(projection);
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graticule.createGraticule_(extent, [0, 0], resolution, squaredTolerance);
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expect(graticule.getMeridians().length).to.be(13);
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expect(graticule.getParallels().length).to.be(3);
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expect(graticule.meridiansLabels_).to.be(null);
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expect(graticule.parallelsLabels_).to.be(null);
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});
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it('creates a graticule with labels', function() {
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graticule = new Graticule({
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map: new Map({}),
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showLabels: true
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});
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const extent = [-25614353.926475704, -7827151.696402049,
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25614353.926475704, 7827151.696402049];
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const projection = getProjection('EPSG:3857');
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const resolution = 39135.75848201024;
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const squaredTolerance = resolution * resolution / 4.0;
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graticule.updateProjectionInfo_(projection);
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graticule.createGraticule_(extent, [0, 0], resolution, squaredTolerance);
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expect(graticule.meridiansLabels_.length).to.be(13);
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expect(graticule.meridiansLabels_[0].text).to.be('0° 00′ 00″');
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expect(graticule.meridiansLabels_[0].geom.getCoordinates()[0]).to.roughlyEqual(0, 1e-9);
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expect(graticule.parallelsLabels_.length).to.be(3);
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expect(graticule.parallelsLabels_[0].text).to.be('0° 00′ 00″');
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expect(graticule.parallelsLabels_[0].geom.getCoordinates()[1]).to.roughlyEqual(0, 1e-9);
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});
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it('has a default stroke style', function() {
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createGraticule();
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const actualStyle = graticule.strokeStyle_;
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expect(actualStyle).not.to.be(undefined);
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expect(actualStyle instanceof Stroke).to.be(true);
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});
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it('can be configured with a stroke style', function() {
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createGraticule();
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const customStrokeStyle = new Stroke({
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color: 'rebeccapurple'
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});
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const styledGraticule = new Graticule({
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map: new Map({}),
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strokeStyle: customStrokeStyle
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});
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const actualStyle = styledGraticule.strokeStyle_;
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expect(actualStyle).not.to.be(undefined);
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expect(actualStyle).to.be(customStrokeStyle);
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});
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it('can be configured with label options', function() {
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const latLabelStyle = new Text();
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const lonLabelStyle = new Text();
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graticule = new Graticule({
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map: new Map({}),
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showLabels: true,
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lonLabelFormatter: function(lon) {
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return 'lon: ' + lon.toString();
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},
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latLabelFormatter: function(lat) {
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return 'lat: ' + lat.toString();
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},
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lonLabelPosition: 0.9,
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latLabelPosition: 0.1,
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lonLabelStyle: lonLabelStyle,
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latLabelStyle: latLabelStyle
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});
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const extent = [-25614353.926475704, -7827151.696402049,
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25614353.926475704, 7827151.696402049];
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const projection = getProjection('EPSG:3857');
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const resolution = 39135.75848201024;
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const squaredTolerance = resolution * resolution / 4.0;
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graticule.updateProjectionInfo_(projection);
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graticule.createGraticule_(extent, [0, 0], resolution, squaredTolerance);
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expect(graticule.meridiansLabels_[0].text).to.be('lon: 0');
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expect(graticule.parallelsLabels_[0].text).to.be('lat: 0');
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expect(graticule.lonLabelStyle_).to.eql(lonLabelStyle);
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expect(graticule.latLabelStyle_).to.eql(latLabelStyle);
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expect(graticule.lonLabelPosition_).to.be(0.9);
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expect(graticule.latLabelPosition_).to.be(0.1);
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});
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});
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});
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