Files
openlayers/test/spec/ol/source/cluster.test.js
2017-12-14 08:56:12 -07:00

79 lines
2.8 KiB
JavaScript

import _ol_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 _ol_source_Cluster_ from '../../../../src/ol/source/Cluster.js';
import _ol_source_Source_ from '../../../../src/ol/source/Source.js';
import _ol_source_Vector_ from '../../../../src/ol/source/Vector.js';
describe('ol.source.Cluster', function() {
describe('constructor', function() {
it('returns a cluster source', function() {
var source = new _ol_source_Cluster_({
projection: getProjection('EPSG:4326'),
source: new _ol_source_Vector_()
});
expect(source).to.be.a(_ol_source_Source_);
expect(source).to.be.a(_ol_source_Cluster_);
expect(source.getDistance()).to.be(20);
});
});
describe('#loadFeatures', function() {
var extent = [-1, -1, 1, 1];
var projection = getProjection('EPSG:3857');
it('clusters a source with point features', function() {
var source = new _ol_source_Cluster_({
source: new _ol_source_Vector_({
features: [
new _ol_Feature_(new Point([0, 0])),
new _ol_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() {
var source = new _ol_source_Cluster_({
geometryFunction: function(feature) {
var geom = feature.getGeometry();
if (geom.getType() == 'Point') {
return geom;
} else if (geom.getType() == 'Polygon') {
return geom.getInteriorPoint();
}
return null;
},
source: new _ol_source_Vector_({
features: [
new _ol_Feature_(new Point([0, 0])),
new _ol_Feature_(new LineString([[0, 0], [1, 1]])),
new _ol_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() {
var source = new _ol_source_Cluster_({
distance: 100,
source: new _ol_source_Vector_()
});
expect(source.getDistance()).to.be(100);
source.setDistance(10);
expect(source.getDistance()).to.be(10);
});
});
});