Function test_validate_float_inf_nan_python

tests/test_annotated.py:368–381

()

def test_validate_float_inf_nan_python() -> None:
    ta = TypeAdapter(Annotated[float, AfterValidator(lambda x: x * 3), Field(allow_inf_nan=False)])
    assert ta.validate_python(2.0) == 6.0

    ta = TypeAdapter(Annotated[float, AfterValidator(lambda _: float('nan')), Field(allow_inf_nan=False)])

    with pytest.raises(ValidationError) as exc_info:
        ta.validate_python(1.0)

    # insert_assert(exc_info.value.errors(include_url=False))
    # TODO: input should be float('nan'), this seems like a subtle bug in pydantic-core
    assert exc_info.value.errors(include_url=False) == [
        {'type': 'finite_number', 'loc': (), 'msg': 'Input should be a finite number', 'input': 1.0}
    ]


def test_predicate_success_python() -> None: