import { parseOptionalHiboutikPrice } from './price'; describe('parseOptionalHiboutikPrice', () => { it('keeps a positive price', () => { expect(parseOptionalHiboutikPrice('12.50')).toBe('12.50'); }); it.each(['0.00', '0', '', 'abc', '-1.00', null, undefined])('returns null for %p', (value) => { expect(parseOptionalHiboutikPrice(value)).toBeNull(); }); });