ashatora/openlayers
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Test VectorImage rendering view extent with no features

Browse Source
This commit is contained in:
Maximilian Krög
2021-09-27 22:52:09 +02:00
parent f2f5a51455
commit 2d3d6cae31
1 changed files with 27 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
test/browser/spec/ol/renderer/canvas/vectorimage.test.js
View File

@@ -1,4 +1,7 @@
import CanvasVectorImageLayerRenderer from '../../../../../../src/ol/renderer/canvas/VectorImageLayer.js';
import Feature from '../../../../../../src/ol/Feature.js';
import ImageCanvas from '../../../../../../src/ol/ImageCanvas.js';
import Point from '../../../../../../src/ol/geom/Point.js';
import VectorImageLayer from '../../../../../../src/ol/layer/VectorImage.js';
import VectorSource from '../../../../../../src/ol/source/Vector.js';
import {create} from '../../../../../../src/ol/transform.js';
@@ -19,12 +22,19 @@ describe('ol/renderer/canvas/VectorImageLayer', function () {
});
describe('#prepareFrame', function () {
it('sets correct extent with imageRatio = 2', function () {
const layer = new VectorImageLayer({
/** @type {VectorImageLayer} */
let layer;
/** @type {CanvasVectorImageLayerRenderer} */
let renderer;
let frameState;
this.beforeEach(function () {
layer = new VectorImageLayer({
imageRatio: 2,
source: new VectorSource(),
source: new VectorSource({
features: [new Feature(new Point([0, 0]))],
}),
});
const renderer = new CanvasVectorImageLayerRenderer(layer);
renderer = new CanvasVectorImageLayerRenderer(layer);
const projection = getProjection('EPSG:3857');
const projExtent = projection.getExtent();
const extent = [
@@ -33,7 +43,7 @@ describe('ol/renderer/canvas/VectorImageLayer', function () {
projExtent[0] + 10000,
10000,
];
const frameState = {
frameState = {
layerStatesArray: [layer.getLayerState()],
layerIndex: 0,
extent: extent,
@@ -46,12 +56,22 @@ describe('ol/renderer/canvas/VectorImageLayer', function () {
rotation: 0,
},
};
});
it('sets image to null if no features are rendered', function () {
renderer.prepareFrame(frameState);
const expected = renderer.image_.getExtent();
expect(renderer.image_).to.be.a(ImageCanvas);
layer.getSource().clear();
renderer.prepareFrame(frameState);
expect(renderer.image_).to.be(null);
});
it('sets correct extent with imageRatio = 2', function () {
const extent = frameState.extent.slice();
scaleFromCenter(extent, 2);
expect(expected).to.eql(extent);
renderer.prepareFrame(frameState);
const imageExtent = renderer.image_.getExtent();
expect(imageExtent).to.eql(extent);
});
});
});