def get_new_ioloop(self) -> IOLoop:
"""Returns the `.IOLoop` to use for this test.
By default, a new `.IOLoop` is created for each test.
Subclasses may override this method to return
`.IOLoop.current()` if it is not appropriate to use a new
`.IOLoop` in each tests (for example, if there are global
singletons using the default `.IOLoop`) or if a per-test event
loop is being provided by another system (such as
``pytest-asyncio``).
"""
return IOLoop()
def __init__(
self,
async_client_class: "Optional[Type[AsyncHTTPClient]]" = None,
**kwargs: Any
) -> None:
# Initialize self._closed at the beginning of the constructor
# so that an exception raised here doesn't lead to confusing
# failures in __del__.
self._closed = True
self._io_loop = IOLoop(make_current=False)
if async_client_class is None:
async_client_class = AsyncHTTPClient
# Create the client while our IOLoop is "current", without
# clobbering the thread's real current IOLoop (if any).
async def make_client() -> "AsyncHTTPClient":
await gen.sleep(0)
assert async_client_class is not None
return async_client_class(**kwargs)
self._async_client = self._io_loop.run_sync(make_client)
self._closed = False