def test_connection_handle_read_buffer_none_returns_none(self):
connection = Connection('127.0.0.1', 'guest', 'guest', lazy=True)
self.assertIsNone(connection._read_buffer(None))
def test_connection_basic_read_buffer(self):
connection = Connection('127.0.0.1', 'guest', 'guest', lazy=True)
cancel_ok_frame = spec_basic.CancelOk().marshal()
self.assertEqual(connection._read_buffer(cancel_ok_frame), b'\x00')
