def METHOD_NAME(self) -> None:
    result: dict[str, Handler] = {}
    def load(filename: str):
        handler = basrh.ServerRequestHandler(filename=filename)
        result['handler'] = handler
    with_file_contents("def process_request(request): return {}", load)
    handler = result['handler']
    assert handler.error is None
    url_path = handler.url_path()
    assert url_path is not None and url_path.startswith("/")