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gh-90871: fix connection backlog offset in asyncio (gh-134392)

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Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
This commit is contained in:
Christian Harries 2025-05-21 14:59:09 +01:00 • committed by GitHub
parent 15a8b5b9bd
commit 109f7597d2
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3 changed files with 17 additions and 3 deletions
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16
Lib/test/test_asyncio/test_selector_events.py
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@ -347,6 +347,18 @@ class BaseSelectorEventLoopTests(test_utils.TestCase):
selectors.EVENT_WRITE)])
self.loop._remove_writer.assert_called_with(1)
def test_accept_connection_zero_one(self):
for backlog in [0, 1]:
sock = mock.Mock()
sock.accept.return_value = (mock.Mock(), mock.Mock())
with self.subTest(backlog):
mock_obj = mock.patch.object
with mock_obj(self.loop, '_accept_connection2') as accept2_mock:
self.loop._accept_connection(
mock.Mock(), sock, backlog=backlog)
self.loop.run_until_complete(asyncio.sleep(0))
self.assertEqual(sock.accept.call_count, backlog + 1)
def test_accept_connection_multiple(self):
sock = mock.Mock()
sock.accept.return_value = (mock.Mock(), mock.Mock())
@ -362,7 +374,7 @@ class BaseSelectorEventLoopTests(test_utils.TestCase):
self.loop._accept_connection(
mock.Mock(), sock, backlog=backlog)
self.loop.run_until_complete(asyncio.sleep(0))
self.assertEqual(sock.accept.call_count, backlog)
self.assertEqual(sock.accept.call_count, backlog + 1)
def test_accept_connection_skip_connectionabortederror(self):
sock = mock.Mock()
@ -388,7 +400,7 @@ class BaseSelectorEventLoopTests(test_utils.TestCase):
# as in test_accept_connection_multiple avoid task pending
# warnings by using asyncio.sleep(0)
self.loop.run_until_complete(asyncio.sleep(0))
self.assertEqual(sock.accept.call_count, backlog)
self.assertEqual(sock.accept.call_count, backlog + 1)
class SelectorTransportTests(test_utils.TestCase):