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import Prism from '~/notebook/lib/highlight'; describe('Highlight library', () => { it('imports python language', () => { expect(Prism.languages.python).toBeDefined(); }); it('uses custom CSS classes', () => { const el = document.createElement('div'); el.innerHTML = Prism.highlight('console.log("a");', Prism.languages.javascript); expect(el.querySelector('.s')).not.toBeNull(); expect(el.querySelector('.nf')).not.toBeNull(); }); });