69 lines
2.0 KiB
JavaScript
69 lines
2.0 KiB
JavaScript
import DataTile from '../../../../src/ol/DataTile.js';
|
|
import TileState from '../../../../src/ol/TileState.js';
|
|
import {listenOnce} from '../../../../src/ol/events.js';
|
|
|
|
describe('ol/DataTile', function () {
|
|
/** @type {Promise<import('../../../../src/ol/DataTile.js').Data} */
|
|
let loader;
|
|
beforeEach(function () {
|
|
loader = function () {
|
|
return new Promise((resolve) => {
|
|
const canvas = document.createElement('canvas');
|
|
canvas.width = 256;
|
|
canvas.height = 256;
|
|
const context = canvas.getContext('2d');
|
|
context.fillStyle = 'red';
|
|
context.fillRect(0, 0, 256, 256);
|
|
resolve(context.getImageData(0, 0, 256, 256).data);
|
|
});
|
|
};
|
|
});
|
|
|
|
describe('constructor', function () {
|
|
it('sets options', function () {
|
|
const tileCoord = [0, 0, 0];
|
|
const tile = new DataTile({
|
|
tileCoord: tileCoord,
|
|
loader: loader,
|
|
transition: 200,
|
|
});
|
|
expect(tile.tileCoord).to.equal(tileCoord);
|
|
expect(tile.transition_).to.be(200);
|
|
expect(tile.loader_).to.equal(loader);
|
|
});
|
|
});
|
|
|
|
describe('#load()', function () {
|
|
it('handles loading states correctly', function (done) {
|
|
const tileCoord = [0, 0, 0];
|
|
const tile = new DataTile({
|
|
tileCoord: tileCoord,
|
|
loader: loader,
|
|
});
|
|
expect(tile.getState()).to.be(TileState.IDLE);
|
|
tile.load();
|
|
expect(tile.getState()).to.be(TileState.LOADING);
|
|
listenOnce(tile, 'change', () => {
|
|
expect(tile.getState()).to.be(TileState.LOADED);
|
|
done();
|
|
});
|
|
});
|
|
|
|
it('reloads tiles in an error state', function (done) {
|
|
const tileCoord = [0, 0, 0];
|
|
const tile = new DataTile({
|
|
tileCoord: tileCoord,
|
|
loader: loader,
|
|
});
|
|
tile.state = TileState.ERROR;
|
|
|
|
tile.load();
|
|
expect(tile.getState()).to.be(TileState.LOADING);
|
|
listenOnce(tile, 'change', () => {
|
|
expect(tile.getState()).to.be(TileState.LOADED);
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
});
|