This works for me, please try: import asyncio import pytest pytest_plugins = (‘pytest_asyncio’,) @pytest.mark.asyncio async def test_simple(): await asyncio.sleep(0.5) Output of pytest -v confirms it passes: collected 1 item test_async.py::test_simple PASSED And I have installed: pytest 6.2.5 pytest-asyncio 0.16.0 # anyio not installed
You only need to mark your tests as async @pytest.mark.asyncio async def test_app(create_x, auth): api_client, x_id = create_x resp = await api_client.get(f’my_res/{x_id}’, headers=auth) assert resp.status == web.HTTPOk.status_code This tells pytest to run the test inside an event loop rather than calling it directly. The fixtures can be marked as normal @pytest.fixture async def create_x(api_client): x_id … Read more