import VersionCheckImage from '~/version_check_image'; import ClassSpecHelper from './helpers/class_spec_helper'; describe('VersionCheckImage', function () { describe('bindErrorEvent', function () { ClassSpecHelper.itShouldBeAStaticMethod(VersionCheckImage, 'bindErrorEvent'); beforeEach(function () { this.imageElement = $('<div></div>'); }); it('registers an error event', function () { spyOn($.prototype, 'on'); spyOn($.prototype, 'off').and.callFake(function () { return this; }); VersionCheckImage.bindErrorEvent(this.imageElement); expect($.prototype.off).toHaveBeenCalledWith('error'); expect($.prototype.on).toHaveBeenCalledWith('error', jasmine.any(Function)); }); it('hides the imageElement on error', function () { spyOn($.prototype, 'hide'); VersionCheckImage.bindErrorEvent(this.imageElement); this.imageElement.trigger('error'); expect($.prototype.hide).toHaveBeenCalled(); }); }); });