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[3.10] gh-98703: Add tests for closing _ProactorSocketTransport with proactor event loop (GH-98730) #98756

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Merged
merged 1 commit into from
Oct 27, 2022
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[3.10] gh-98703: Add tests for closing _ProactorSocketTransport with proactor event loop (GH-98730) #98756

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21 changes: 21 additions & 0 deletions Lib/test/test_asyncio/test_proactor_events.py
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Original file line number Diff line number Diff line change
Expand Up @@ -296,6 +296,27 @@ def test_force_close_idempotent(self):
# and waiters will never be notified leading to hang.
self.assertTrue(self.protocol.connection_lost.called)

def test_force_close_protocol_connection_lost_once(self):
tr = self.socket_transport()
self.assertFalse(self.protocol.connection_lost.called)
tr._closing = True
# Calling _force_close twice should not call
# protocol.connection_lost twice
tr._force_close(None)
tr._force_close(None)
test_utils.run_briefly(self.loop)
self.assertEqual(1, self.protocol.connection_lost.call_count)

def test_close_protocol_connection_lost_once(self):
tr = self.socket_transport()
self.assertFalse(self.protocol.connection_lost.called)
# Calling close twice should not call
# protocol.connection_lost twice
tr.close()
tr.close()
test_utils.run_briefly(self.loop)
self.assertEqual(1, self.protocol.connection_lost.call_count)

def test_fatal_error_2(self):
tr = self.socket_transport()
tr._buffer = [b'data']
Expand Down