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Add unit test for cancel_callback
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fosterseth committed Nov 24, 2022
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18 changes: 18 additions & 0 deletions tests/test_utils.py
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from channels.utils import await_many_dispatch
import asyncio
import async_timeout
from unittest import mock
import pytest


async def sleep_task(*args):
await asyncio.sleep(10)


@pytest.mark.asyncio
async def test_cancel_callback_called():
cancel_callback = mock.AsyncMock()
with pytest.raises(asyncio.TimeoutError):
async with async_timeout.timeout(0):
await await_many_dispatch([sleep_task], sleep_task, cancel_callback)
assert cancel_callback.called

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