Update tests for ol-mapbox-style's new background rendering technique

This commit is contained in:
Andreas Hocevar
2022-08-29 12:50:48 +02:00
parent ba61dbfbd5
commit 6adb912314

View File

@@ -1,5 +1,6 @@
import Map from '../../../../../src/ol/Map.js';
import MapboxVectorLayer from '../../../../../src/ol/layer/MapboxVector.js';
import {asString} from '../../../../../src/ol/color.js';
import View from '../../../../../src/ol/View.js';
import {unByKey} from '../../../../../src/ol/Observable.js';
describe('ol/layer/MapboxVector', () => {
@@ -90,6 +91,19 @@ describe('ol/layer/MapboxVector', () => {
});
describe('background', function () {
let map;
beforeEach(function () {
map = new Map({
target: createMapDiv(20, 20),
view: new View({
zoom: 2,
center: [0, 0],
}),
});
});
this.afterEach(function () {
disposeMap(map);
});
it('configures the layer with a background function', function (done) {
const layer = new MapboxVectorLayer({
styleUrl:
@@ -116,13 +130,13 @@ describe('ol/layer/MapboxVector', () => {
})
),
});
const source = layer.getSource();
const key = source.on('change', function () {
if (source.getState() === 'ready') {
unByKey(key);
expect(layer.getBackground()(1)).to.eql(asString([255, 0, 0, 0.8]));
map.addLayer(layer);
layer.getSource().once('change', () => {
layer.once('prerender', (e) => {
const pixel = Array.from(e.context.getImageData(0, 0, 1, 1).data);
expect(pixel).to.eql([255, 0, 0, 0.8 * 255]);
done();
}
});
});
});
@@ -153,13 +167,13 @@ describe('ol/layer/MapboxVector', () => {
),
background: false,
});
const source = layer.getSource();
const key = source.on('change', function () {
if (source.getState() === 'ready') {
unByKey(key);
expect(layer.getBackground()).to.be(false);
map.addLayer(layer);
layer.getSource().once('change', () => {
layer.once('prerender', (e) => {
const pixel = Array.from(e.context.getImageData(0, 0, 1, 1).data);
expect(pixel).to.eql([0, 0, 0, 0]);
done();
}
});
});
});
@@ -191,13 +205,13 @@ describe('ol/layer/MapboxVector', () => {
})
),
});
const source = layer.getSource();
const key = source.on('change', function () {
if (source.getState() === 'ready') {
unByKey(key);
expect(layer.getBackground()).to.be(undefined);
map.addLayer(layer);
layer.getSource().once('change', () => {
layer.once('prerender', (e) => {
const pixel = Array.from(e.context.getImageData(0, 0, 1, 1).data);
expect(pixel).to.eql([0, 0, 0, 0]);
done();
}
});
});
});
});