gh-98703: Add tests for closing `_ProactorSocketTransport` with proactor event loop (GH-98730)
diff --git a/Lib/test/test_asyncio/test_proactor_events.py b/Lib/test/test_asyncio/test_proactor_events.py
index 7fd8b26..ae30185 100644
--- a/Lib/test/test_asyncio/test_proactor_events.py
+++ b/Lib/test/test_asyncio/test_proactor_events.py
@@ -297,6 +297,27 @@ 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']
