Function test_decimal_constraints_after_annotation

tests/test_annotated.py:623–637

()

def test_decimal_constraints_after_annotation() -> None:
    DecimalAnnotation = Annotated[Decimal, BeforeValidator(lambda v: v), Field(max_digits=10, decimal_places=4)]

    ta = TypeAdapter(DecimalAnnotation)
    assert ta.validate_python(Decimal('123.4567')) == Decimal('123.4567')

    with pytest.raises(ValidationError) as e:
        ta.validate_python(Decimal('123.45678'))

    assert e.value.errors()[0]['type'] == 'decimal_max_places'

    with pytest.raises(ValidationError) as e:
        ta.validate_python(Decimal('12345678.901'))

    assert e.value.errors()[0]['type'] == 'decimal_max_digits'