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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 ValueError("password doesn't match its confirmation")
with pytest.raises(ValidationError) as err:
deserialize(PasswordForm, {"password": "p455w0rd"})
assert err.value.errors == [
# validator is not executed because confirmation is missing
{"loc": ["confirmation"], "err": "missing property"}
]
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