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Add tests for ol/source/Cluster~Cluster#setSource

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This commit is contained in:
Maximilian Kroeg
2020-02-25 11:15:56 +01:00
parent 01b3f9a97b
commit b25fc6741e
1 changed files with 31 additions and 0 deletions
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31
test/spec/ol/source/cluster.test.js
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@@ -6,6 +6,7 @@ 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() {
@@ -76,3 +77,33 @@ describe('ol.source.Cluster', function() {
});
});
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);
});
});