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bpo-43952: Fix multiprocessing Listener authkey bug (GH-25845)

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Listener.accept() no longer hangs when authkey is an empty bytes object.
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Miguel Brito 2024-02-27 14:57:59 +00:00 • committed by GitHub
parent 3a72fc36f9
commit 686ec17f50
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3 changed files with 23 additions and 1 deletions
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19
Lib/test/_test_multiprocessing.py
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@ -3504,6 +3504,25 @@ class _TestListener(BaseTestCase):
if self.TYPE == 'processes':
self.assertRaises(OSError, l.accept)
def test_empty_authkey(self):
# bpo-43952: allow empty bytes as authkey
def handler(*args):
raise RuntimeError('Connection took too long...')
def run(addr, authkey):
client = self.connection.Client(addr, authkey=authkey)
client.send(1729)
key = b""
with self.connection.Listener(authkey=key) as listener:
threading.Thread(target=run, args=(listener.address, key)).start()
with listener.accept() as d:
self.assertEqual(d.recv(), 1729)
if self.TYPE == 'processes':
self.assertRaises(OSError, listener.accept)
@unittest.skipUnless(util.abstract_sockets_supported,
"test needs abstract socket support")
def test_abstract_socket(self):