def _assert_runner()

in testslide/mock_callable.py [0:0]

• 17 lines of code
• 3 McCabe index (conditional complexity)

    def _assert_runner(self) -> None:
        if not self._runner:
            raise ValueError(
                "You must first define a behavior. Eg: "
                "self.mock_callable(target, 'func')"
                ".to_return_value(value)"
                ".and_assert_called_exactly(times)"
            )
        if self._runner._call_count > 0:
            raise ValueError(
                f"No extra configuration is allowed after {self._NAME} "
                f"receives its first call, it received {self._runner._call_count} "
                f"call{'s' if self._runner._call_count > 1 else ''} already. "
                "You should instead define it all at once, "
                f"eg: self.{self._NAME}(target, 'func')"
                ".to_return_value(value).and_assert_called_once()"
            )