def parse_cooking_time(line, lineno=None):
m = re.match(COOKING_TIME_PATTERN, line)
if not is_cooking_time(line):
raise syntax_errors.InvalidCookingTimeError(lineno)
time, unit = m.groups()
validate_cooking_time(time, unit, lineno)
cooking_time = int(time)
return cooking_time, unit
def test_nonmatching_unit(self, time, unit):
with pytest.raises(syntax_errors.NonMatchingUnitError) as e:
validate_cooking_time(time, unit)
assert e.value.number == int(time)
assert e.value.unit == unit
def test_zero_cooking_time(self):
with pytest.raises(syntax_errors.NotAllowedTimeError) as e:
validate_cooking_time('0', 'minutes')
assert e.value.time == 0
def test_invalid_time_with_lineno(self):
with pytest.raises(syntax_errors.InvalidCookingTimeError) as e:
validate_cooking_time('meh', 'hours', 42)
assert e.value.lineno == 42
def test_invalid_time_without_lineno(self):
with pytest.raises(syntax_errors.InvalidCookingTimeError) as e:
validate_cooking_time('eek', 'minutes')
assert e.value.lineno is None
