def test_init() -> None:
"""It should have default spec properties."""
subject = Spec(source=None, name=None)
assert subject.get_signature() is None
assert subject.get_class_type() is None
assert subject.get_is_async() is False
def test_get_signature_no_type_hints() -> None:
"""It should gracefully degrade if a class's type hints cannot be resolved."""
class _BadTypeHints:
_not_ok: "None[Any]"
def _ok(self, hello: str) -> None:
...
subject = Spec(source=_BadTypeHints, name=None).get_child_spec("_ok")
assert subject.get_signature() == inspect.Signature(
parameters=[
inspect.Parameter(
name="hello",
kind=inspect.Parameter.POSITIONAL_OR_KEYWORD,
annotation=str,
)
],
return_annotation=None,
)
def test_get_signature(
subject: Spec,
expected_signature: Optional[inspect.Signature],
) -> None:
"""It should inspect the spec source's signature."""
assert subject.get_signature() == expected_signature