110 lines
3.5 KiB
JavaScript
110 lines
3.5 KiB
JavaScript
import Feature from '../../../../src/ol/Feature.js';
|
|
import LineString from '../../../../src/ol/geom/LineString.js';
|
|
import Point from '../../../../src/ol/geom/Point.js';
|
|
import Polygon from '../../../../src/ol/geom/Polygon.js';
|
|
import {get as getProjection} from '../../../../src/ol/proj.js';
|
|
import Cluster from '../../../../src/ol/source/Cluster.js';
|
|
import Source from '../../../../src/ol/source/Source.js';
|
|
import VectorSource from '../../../../src/ol/source/Vector.js';
|
|
import EventType from '../../../../src/ol/events/EventType.js';
|
|
|
|
describe('ol.source.Cluster', function() {
|
|
|
|
describe('constructor', function() {
|
|
it('returns a cluster source', function() {
|
|
const source = new Cluster({
|
|
projection: getProjection('EPSG:4326'),
|
|
source: new VectorSource()
|
|
});
|
|
expect(source).to.be.a(Source);
|
|
expect(source).to.be.a(Cluster);
|
|
expect(source.getDistance()).to.be(20);
|
|
});
|
|
});
|
|
|
|
describe('#loadFeatures', function() {
|
|
const extent = [-1, -1, 1, 1];
|
|
const projection = getProjection('EPSG:3857');
|
|
it('clusters a source with point features', function() {
|
|
const source = new Cluster({
|
|
source: new VectorSource({
|
|
features: [
|
|
new Feature(new Point([0, 0])),
|
|
new Feature(new Point([0, 0]))
|
|
]
|
|
})
|
|
});
|
|
source.loadFeatures(extent, 1, projection);
|
|
expect(source.getFeatures().length).to.be(1);
|
|
expect(source.getFeatures()[0].get('features').length).to.be(2);
|
|
});
|
|
it('clusters with a custom geometryFunction', function() {
|
|
const source = new Cluster({
|
|
geometryFunction: function(feature) {
|
|
const geom = feature.getGeometry();
|
|
if (geom.getType() == 'Point') {
|
|
return geom;
|
|
} else if (geom.getType() == 'Polygon') {
|
|
return geom.getInteriorPoint();
|
|
}
|
|
return null;
|
|
},
|
|
source: new VectorSource({
|
|
features: [
|
|
new Feature(new Point([0, 0])),
|
|
new Feature(new LineString([[0, 0], [1, 1]])),
|
|
new Feature(new Polygon(
|
|
[[[-1, -1], [-1, 1], [1, 1], [1, -1], [-1, -1]]]))
|
|
]
|
|
})
|
|
});
|
|
source.loadFeatures(extent, 1, projection);
|
|
expect(source.getFeatures().length).to.be(1);
|
|
expect(source.getFeatures()[0].get('features').length).to.be(2);
|
|
});
|
|
});
|
|
|
|
describe('#setDistance', function() {
|
|
it('changes the distance value', function() {
|
|
const source = new Cluster({
|
|
distance: 100,
|
|
source: new VectorSource()
|
|
});
|
|
expect(source.getDistance()).to.be(100);
|
|
source.setDistance(10);
|
|
expect(source.getDistance()).to.be(10);
|
|
});
|
|
});
|
|
|
|
});
|
|
|
|
describe('#setSource', function() {
|
|
it('removes the change listener from the old source', function() {
|
|
const source = new VectorSource();
|
|
const clusterSource = new Cluster({
|
|
source: source
|
|
});
|
|
expect(source.hasListener(EventType.CHANGE)).to.be(true);
|
|
clusterSource.setSource(null);
|
|
expect(source.hasListener(EventType.CHANGE)).to.be(false);
|
|
});
|
|
|
|
it('properly removes the previous features', function() {
|
|
const source = new Cluster({
|
|
source: new VectorSource({
|
|
features: [new Feature(new Point([0, 0]))]
|
|
})
|
|
});
|
|
|
|
const projection = getProjection('EPSG:3857');
|
|
const extent = [-1, -1, 1, 1];
|
|
source.loadFeatures(extent, 1, projection);
|
|
|
|
expect(source.features.length).to.be(1);
|
|
source.setSource(null);
|
|
expect(source.features.length).to.be(0);
|
|
});
|
|
|
|
});
|
|
|