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from dataclasses import dataclass
import pytest
from apischema import ValidationError, deserialize, validator
@dataclass
class PasswordForm:
password: str
confirmation: str
@validator
def password_match(self):
if self.password != self.confirmation:
raise ValidationError("password doesn't match its confirmation")
@dataclass
class CompleteForm(PasswordForm):
username: str
with pytest.raises(ValidationError) as err:
deserialize(
CompleteForm,
{"username": "wyfo", "password": "p455w0rd", "confirmation": "..."},
)
assert err.value.errors == [
{"loc": [], "err": "password doesn't match its confirmation"}
]
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