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scrapy/tests/test_utils_asyncio.py
2023-01-25 14:25:15 -06:00

26 lines
835 B
Python

import warnings
from unittest import TestCase
from pytest import mark
from scrapy.utils.reactor import install_reactor, is_asyncio_reactor_installed
@mark.usefixtures("reactor_pytest")
class AsyncioTest(TestCase):
def test_is_asyncio_reactor_installed(self):
# the result should depend only on the pytest --reactor argument
self.assertEqual(
is_asyncio_reactor_installed(), self.reactor_pytest == "asyncio"
)
def test_install_asyncio_reactor(self):
from twisted.internet import reactor as original_reactor
with warnings.catch_warnings(record=True) as w:
install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor")
self.assertEqual(len(w), 0)
from twisted.internet import reactor
assert original_reactor == reactor