79 lines
2.8 KiB
JavaScript
79 lines
2.8 KiB
JavaScript
import _ol_Feature_ from '../../../../src/ol/Feature.js';
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import _ol_geom_LineString_ from '../../../../src/ol/geom/LineString.js';
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import _ol_geom_Point_ from '../../../../src/ol/geom/Point.js';
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import _ol_geom_Polygon_ from '../../../../src/ol/geom/Polygon.js';
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import _ol_proj_ from '../../../../src/ol/proj.js';
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import _ol_source_Cluster_ from '../../../../src/ol/source/Cluster.js';
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import _ol_source_Source_ from '../../../../src/ol/source/Source.js';
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import _ol_source_Vector_ from '../../../../src/ol/source/Vector.js';
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describe('ol.source.Cluster', function() {
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describe('constructor', function() {
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it('returns a cluster source', function() {
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var source = new _ol_source_Cluster_({
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projection: _ol_proj_.get('EPSG:4326'),
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source: new _ol_source_Vector_()
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});
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expect(source).to.be.a(_ol_source_Source_);
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expect(source).to.be.a(_ol_source_Cluster_);
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expect(source.getDistance()).to.be(20);
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});
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});
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describe('#loadFeatures', function() {
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var extent = [-1, -1, 1, 1];
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var projection = _ol_proj_.get('EPSG:3857');
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it('clusters a source with point features', function() {
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var source = new _ol_source_Cluster_({
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source: new _ol_source_Vector_({
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features: [
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new _ol_Feature_(new _ol_geom_Point_([0, 0])),
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new _ol_Feature_(new _ol_geom_Point_([0, 0]))
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]
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})
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});
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source.loadFeatures(extent, 1, projection);
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expect(source.getFeatures().length).to.be(1);
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expect(source.getFeatures()[0].get('features').length).to.be(2);
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});
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it('clusters with a custom geometryFunction', function() {
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var source = new _ol_source_Cluster_({
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geometryFunction: function(feature) {
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var geom = feature.getGeometry();
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if (geom.getType() == 'Point') {
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return geom;
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} else if (geom.getType() == 'Polygon') {
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return geom.getInteriorPoint();
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}
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return null;
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},
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source: new _ol_source_Vector_({
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features: [
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new _ol_Feature_(new _ol_geom_Point_([0, 0])),
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new _ol_Feature_(new _ol_geom_LineString_([[0, 0], [1, 1]])),
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new _ol_Feature_(new _ol_geom_Polygon_(
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[[[-1, -1], [-1, 1], [1, 1], [1, -1], [-1, -1]]]))
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]
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})
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});
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source.loadFeatures(extent, 1, projection);
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expect(source.getFeatures().length).to.be(1);
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expect(source.getFeatures()[0].get('features').length).to.be(2);
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});
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});
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describe('#setDistance', function() {
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it('changes the distance value', function() {
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var source = new _ol_source_Cluster_({
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distance: 100,
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source: new _ol_source_Vector_()
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});
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expect(source.getDistance()).to.be(100);
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source.setDistance(10);
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expect(source.getDistance()).to.be(10);
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});
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});
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});
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