async def test_listen_reconnect(ds: IdexDatastream):
class BreakExc(Exception):
pass
exc = websockets.ConnectionClosed(code=999, reason='some reason')
exit_exc = BreakExc('to break the infinite loop')
ds._check_connection = CoroutineMock()
ds._ws = MagicMock()
ds._ws.closed = False
ds._ws.__aiter__.side_effect = exc
ds.init = CoroutineMock()
ds.sub_manager.resubscribe = CoroutineMock()
ds.sub_manager.resubscribe.side_effect = exit_exc
ds._logger.error = Mock()
with pytest.raises(BreakExc):
async for m in ds.listen():
break
ds._check_connection.assert_awaited_once()
ds._logger.error.assert_called_once_with(exc)
ds.init.assert_awaited_once()
ds.sub_manager.resubscribe.assert_awaited_once()
async def test_check_connection(ds: IdexDatastream):
ds.init = CoroutineMock()
ds._ws = object
await ds._check_connection()
ds.init.assert_not_awaited()
ds._ws = None
await ds._check_connection()
ds.init.assert_awaited_once()