feat: added shutdown method to CCHannel [ready for review] (eclipse#310)

* feat: added shutdown method to CChannel interface

Co-authored-by: Sebastian Clerson <58192998+sebclrsn@users.noreply.github.com>

---------

Co-authored-by: Sebastian Clerson <58192998+sebclrsn@users.noreply.github.com>

src/pykiso/connector.py

@@ -100,6 +100,10 @@ def close(self) -> None:
         with self._lock:
             self._cc_close()
 
+    def shutdown(self) -> None:
+        """Unitialize channel. Will be called at the end of the test session."""
+        pass
+
     def cc_send(self, msg: MsgType, *args, **kwargs) -> None:
         """Send a thread-safe message on the channel and wait for an acknowledgement.
 

src/pykiso/lib/connectors/cc_pcan_can.py

@@ -503,7 +503,7 @@ def _convert_peak_format_to_start_time(start_time: float) -> float:
         ms_in_a_day = 86400000
         return (start_time % 1) * ms_in_a_day
 
-    def __del__(self) -> None:
+    def shutdown(self) -> None:
         """Destructor method."""
         if self.logging_activated:
             self._merge_trc()

src/pykiso/test_setup/dynamic_loader.py

@@ -232,10 +232,10 @@ def get_instance(self, name: str) -> Union[AuxiliaryCommon, Connector]:
         return inst
 
     def delete_all_instances(self) -> None:
-        """Call custom del method if it exists"""
+        """Call shutdown method if it exists"""
         for instance in self.instances.values():
-            if callable(getattr(instance, "__del__", None)):
-                instance.__del__()
+            if callable(getattr(instance, "shutdown", None)):
+                instance.shutdown()
 
 
 class AuxiliaryCache(ModuleCache):

tests/conftest.py

@@ -245,7 +245,7 @@ def __init__(self, *args, **kwargs):
             super(TCChan, self).__init__(*args, **kwargs)
             self.remote_id = None
 
-        def __del__(self):
+        def shutdown(self):
             pass
 
         _cc_open = mocker.stub(name="_cc_open")