def test_mul_nothing(capsys): m = Menu() m.do_mul('') captured_out, captured_err = capsys.readouterr() assert captured_out == 'Nothing to multiply\n'
def test_mul(capsys, instring, outstring): m = Menu() m.do_mul(instring) captured_out, captured_err = capsys.readouterr() assert captured_out == f'{outstring}\n'