import { csvCell } from './csv-cell';

describe('CSV spreadsheet safety', () => {
  it.each(['=1+1', '+SUM(1)', '-1+1', '@SUM(1)', '  =1', '\t=1', '\r=1', '\n=1'])(
    'forces formula-like values to text: %j',
    value => {
      expect(csvCell(value)).toBe(`"'${value}"`);
    }
  );
  it('preserves ordinary text, numeric zero and CSV escaping', () => {
    expect(csvCell('Paris; "France"')).toBe('"Paris; ""France"""');
    expect(csvCell(0)).toBe('"0"');
    expect(csvCell(null)).toBe('""');
  });
});