QTZPOC-20

QTZPOC-20: Clarify broad exception handling in OPC repository and refactor asyncio imports in worker tests.

laborious/utils/repository/opc_repository.py

@@ -79,7 +79,7 @@ def _opc_authentication_token_str(client: Client | None) -> str:
         if tok is None:
             return 'unknown'
         return str(tok)
-    except Exception:
+    except Exception:  # NOSONAR - best-effort label for logs/metrics, must not fail loud
         return 'unknown'
 
 

tests/laborious/worker/test_worker_main.py

@@ -5,6 +5,7 @@ Everything I/O-bound (Temporal client, Prometheus HTTP server, Mongo/Postgres/Mi
 mocked; only the control flow inside ``worker.py`` is under test.
 """
 
+import asyncio
 from unittest.mock import ANY, AsyncMock, MagicMock, patch
 
 from pytest import mark, raises
@@ -20,8 +21,6 @@ def test_main_exits_when_runtime_is_unset(mock_get_logger, mock_app_up, monkeypa
     mock_get_logger.return_value = logger
 
     with raises(SystemExit) as exc:
-        import asyncio
-
         asyncio.run(main())
 
     assert exc.value.code == 1
@@ -55,8 +54,6 @@ class TestMainHappyPath:
         mock_prepare_worker.return_value = worker
         mock_connect.return_value = MagicMock()
 
-        import asyncio
-
         with raises(SystemExit) as exc:
             asyncio.run(main())
         return exc.value.code
@@ -198,8 +195,6 @@ class TestMainHappyPath:
         worker.run = AsyncMock(side_effect=RuntimeError('boom'))
         mock_prepare_worker.return_value = worker
 
-        import asyncio
-
         with raises(SystemExit) as exc:
             asyncio.run(main())