def test_none_value(self):
""" Test None value treatment for the float field"""
score = Float(max_value=5.5)
score._load(None)
assert score.value == 0.0
class Balance(BaseValueObject):
"""A composite amount object, containing two parts:
* currency code - a three letter unique currency code
* amount - a float value
"""
currency = String(max_length=3, choices=Currency)
amount = Float()
def clean(self):
errors = defaultdict(list)
if self.amount and self.amount < -1000000000000.0:
errors["amount"].append("cannot be less than 1 Trillion")
return errors
def replace(self, **kwargs):
# FIXME Find a way to do this generically and move method to `BaseValueObject`
currency = kwargs.pop("currency", None)
amount = kwargs.pop("amount", None)
return Balance(currency=currency or self.currency, amount=amount or self.amount)
def test_max_value(self):
""" Test maximum value validation for the float field"""
with pytest.raises(ValidationError):
score = Float(max_value=5.5)
score._load(5.6)
def test_type_validation(self):
""" Test type checking validation for the Field"""
with pytest.raises(ValidationError):
score = Float()
score._load('x')
def test_init(self):
"""Test successful Float Field initialization"""
score = Float()
assert score is not None