Fire and forget pytest fixtures, two ways

fire_and_forget_fixture_test.py

import asyncio
import logging
import threading
import time

import pytest


def test_1(my_thread_async_fixture):
    logging.warning("Test started")
    time.sleep(3)
    logging.warning("Test done")


def test_2(my_asyncio_fixture):
    logging.warning("Test started")
    time.sleep(3)
    logging.warning("Test done")


# Fixture started
# sleep_in_fixture() started
# Fixture done
# Test started
# sleep_in_fixture() completed
# Test done


@pytest.fixture
def my_thread_async_fixture():
    logging.warning("Fixture started")
    threading.Thread(target=sleep_in_fixture, args=[1]).start()
    logging.warning("Fixture done")


@pytest.fixture
def my_asyncio_fixture():
    logging.warning("Fixture started")
    loop = asyncio.get_event_loop()
    loop.run_in_executor(None, sleep_in_fixture, 1)
    logging.warning("Fixture done")


def sleep_in_fixture(how_long: int):
    logging.warning("sleep_in_fixture() started")
    time.sleep(how_long)
    logging.warning("sleep_in_fixture() completed")