Files
openlayers/test/browser/spec/ol/image.test.js
2021-04-28 09:23:33 -07:00

56 lines
1.4 KiB
JavaScript

import {listenImage} from '../../../../src/ol/Image.js';
describe('HTML Image loading', function () {
let handleLoad, handleError, img;
beforeEach(function () {
handleLoad = sinon.spy();
handleError = sinon.spy();
img = new Image();
});
it('handles load event', function (done) {
img.src = 'spec/ol/data/dot.png';
listenImage(img, handleLoad, handleError);
setTimeout(function () {
expect(handleLoad.called).to.be(true);
expect(handleError.called).to.be(false);
done();
}, 200);
});
it('handles load event when src is set later', function (done) {
listenImage(img, handleLoad, handleError);
img.src = 'spec/ol/data/dot.png';
setTimeout(function () {
expect(handleLoad.called).to.be(true);
expect(handleError.called).to.be(false);
done();
}, 200);
});
it('handles error event', function (done) {
img.src = 'invalid.jpeg';
listenImage(img, handleLoad, handleError);
setTimeout(function () {
expect(handleLoad.called).to.be(false);
expect(handleError.called).to.be(true);
done();
}, 500);
});
it('handles cancelation', function (done) {
img.src = 'spec/ol/data/dot.png';
listenImage(img, handleLoad, handleError)();
setTimeout(function () {
expect(handleLoad.called).to.be(false);
expect(handleError.called).to.be(false);
done();
}, 200);
});
});