def test_warn_if_called_incorrectly() -> None:
"""It should trigger a warning if bound_args is called incorrectly."""
subject = Spec(source=some_func, name=None)
with pytest.warns(IncorrectCallWarning,
match="missing a required argument"):
subject.bind_args(wrong_arg_name="1")
def test_spy_calls(
decoy: Decoy,
call_handler: CallHandler,
spy_creator: SpyCreator,
spec: Spec,
) -> None:
"""It should send any calls to the call handler."""
subject = Spy(spec=spec,
call_handler=call_handler,
spy_creator=spy_creator)
decoy.when(spec.get_name()).then_return("spy_name")
decoy.when(spec.bind_args(1, 2, three=3)).then_return(
BoundArgs(args=(1, 2, 3), kwargs={}))
decoy.when(
call_handler.handle(
SpyEvent(
spy_id=id(subject),
spy_name="spy_name",
payload=SpyCall(args=(1, 2, 3), kwargs={}),
))).then_return(CallHandlerResult(42))
result = subject(1, 2, three=3)
assert result == 42
def test_bind_args(
subject: Spec,
input_args: Tuple[Any, ...],
input_kwargs: Dict[str, Any],
expected_args: Tuple[Any, ...],
expected_kwargs: Dict[str, Any],
) -> None:
"""It should bind arguments to the spec's callable signature."""
result = subject.bind_args(*input_args, **input_kwargs)
assert result == BoundArgs(args=expected_args, kwargs=expected_kwargs)