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from __future__ import annotations
import asyncio
from asyncio import AbstractEventLoop
import pytest
from tests.custom_loop_utils import CustomLoop
from tests.utils import get_asyncio_default_loop_per_os
from uvicorn._compat import asyncio_run
async def assert_event_loop(expected_loop_class: type[AbstractEventLoop]):
assert isinstance(asyncio.get_running_loop(), expected_loop_class)
def test_asyncio_run__default_loop_factory() -> None:
asyncio_run(assert_event_loop(get_asyncio_default_loop_per_os()), loop_factory=None)
def test_asyncio_run__custom_loop_factory() -> None:
asyncio_run(assert_event_loop(CustomLoop), loop_factory=CustomLoop)
def test_asyncio_run__passing_a_non_awaitable_callback_should_throw_error() -> None:
# TypeError on Python >= 3.14
with pytest.raises((ValueError, TypeError)):
asyncio_run(lambda: None, loop_factory=CustomLoop) # type: ignore
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