110 lines
4.2 KiB
JavaScript
110 lines
4.2 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 _ol_style_Stroke_ from '../../../src/ol/style/Stroke.js';
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import _ol_style_Text_ from '../../../src/ol/style/Text.js';
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describe('ol.Graticule', function() {
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var 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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var extent = [-25614353.926475704, -7827151.696402049,
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25614353.926475704, 7827151.696402049];
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var projection = getProjection('EPSG:3857');
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var resolution = 39135.75848201024;
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var 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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var extent = [-25614353.926475704, -7827151.696402049,
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25614353.926475704, 7827151.696402049];
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var projection = getProjection('EPSG:3857');
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var resolution = 39135.75848201024;
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var 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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var actualStyle = graticule.strokeStyle_;
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expect(actualStyle).not.to.be(undefined);
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expect(actualStyle instanceof _ol_style_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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var customStrokeStyle = new _ol_style_Stroke_({
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color: 'rebeccapurple'
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});
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var styledGraticule = new Graticule({
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map: new Map({}),
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strokeStyle: customStrokeStyle
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});
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var 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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var latLabelStyle = new _ol_style_Text_();
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var lonLabelStyle = new _ol_style_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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var extent = [-25614353.926475704, -7827151.696402049,
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25614353.926475704, 7827151.696402049];
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var projection = getProjection('EPSG:3857');
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var resolution = 39135.75848201024;
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var 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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