45 lines
1.1 KiB
JavaScript
45 lines
1.1 KiB
JavaScript
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import { setHTMLFixture } from 'helpers/fixtures';
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import { loadStartupCSS } from '~/behaviors/load_startup_css';
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describe('behaviors/load_startup_css', () => {
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let loadListener;
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const setupListeners = () => {
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document
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.querySelectorAll('link')
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.forEach(x => x.addEventListener('load', () => loadListener(x)));
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};
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beforeEach(() => {
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loadListener = jest.fn();
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setHTMLFixture(`
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<meta charset="utf-8" />
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<link media="print" src="./lorem-print.css" />
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<link media="print" src="./ipsum-print.css" />
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<link media="all" src="./dolar-all.css" />
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`);
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setupListeners();
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loadStartupCSS();
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});
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it('does nothing at first', () => {
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expect(loadListener).not.toHaveBeenCalled();
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});
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describe('on window load', () => {
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beforeEach(() => {
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window.dispatchEvent(new Event('load'));
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});
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it('dispatches load to the print links', () => {
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expect(loadListener.mock.calls.map(([el]) => el.getAttribute('src'))).toEqual([
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'./lorem-print.css',
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'./ipsum-print.css',
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]);
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});
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});
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});
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