Files
openlayers/test/browser/spec/ol/source/geotiff.test.js
2021-08-19 10:40:59 -06:00

48 lines
1.3 KiB
JavaScript

import GeoTIFFSource from '../../../../../src/ol/source/GeoTIFF.js';
import State from '../../../../../src/ol/source/State.js';
import TileState from '../../../../../src/ol/TileState.js';
describe('ol.source.GeoTIFF', function () {
/** @type {GeoTIFFSource} */
let source;
beforeEach(function () {
source = new GeoTIFFSource({
sources: [
{
url: 'spec/ol/source/images/0-0-0.tif',
},
],
});
});
it('manages load states', function (done) {
expect(source.getState()).to.be(State.LOADING);
source.on('change', () => {
expect(source.getState()).to.be(State.READY);
done();
});
});
it('configures itself from source metadata', function (done) {
source.on('change', () => {
expect(source.addAlpha_).to.be(true);
expect(source.bandCount).to.be(4);
expect(source.nodataValues_).to.eql([[0]]);
expect(source.getTileGrid().getResolutions().length).to.be(1);
expect(source.projection.getCode()).to.be('EPSG:4326');
done();
});
});
it('loads tiles', function (done) {
source.on('change', () => {
const tile = source.getTile(0, 0, 0);
source.on('tileloadend', () => {
expect(tile.getState()).to.be(TileState.LOADED);
done();
});
tile.load();
});
});
});