gitlab-org--gitlab-foss/spec/javascripts/version_check_image_spec.js

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import $ from 'jquery';
import VersionCheckImage from '~/version_check_image';
import ClassSpecHelper from './helpers/class_spec_helper';
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describe('VersionCheckImage', function () {
describe('bindErrorEvent', function () {
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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();
});
});
});