Method stop

tornado/testing.py:277–293

Stops the `.IOLoop`, causing one pending (or future) call to `wait()` to return. Keyword arguments or a single positional argument passed to `stop()` are saved and will be returned by `wait()`. .. deprecated:: 5.1 `stop` and `wait` are deprecated; use ``

(self, _arg: Any = None, **kwargs: Any)

            raise ValueError("Return value from test method ignored: %r" % result)

    def stop(self, _arg: Any = None, **kwargs: Any) -> None:
        """Stops the `.IOLoop`, causing one pending (or future) call to `wait()`
        to return.

        Keyword arguments or a single positional argument passed to `stop()` are
        saved and will be returned by `wait()`.

        .. deprecated:: 5.1

           `stop` and `wait` are deprecated; use ``@gen_test`` instead.
        """
        assert _arg is None or not kwargs
        self.__stop_args = kwargs or _arg
        if self.__running:
            self.io_loop.stop()
            self.__running = False
        self.__stopped = True

    def wait(
        self,