Merge pull request #254 from tiqi-group/fix/serialize_exception

fix: serialize exception

src/pydase/utils/serialization/serializer.py

@@ -158,7 +158,7 @@ class Serializer:
             "doc": None,
             "readonly": True,
             "type": "Exception",
-            "value": obj.args[0],
+            "value": obj.args[0] if len(obj.args) > 0 else "",
             "name": obj.__class__.__name__,
         }
 

tests/utils/serialization/test_serializer.py

@@ -1225,3 +1225,22 @@ def test_add_prefix_to_full_access_path(
     serialized_obj: SerializedObject, prefix: str, expected: SerializedObject
 ) -> None:
     assert add_prefix_to_full_access_path(serialized_obj, prefix) == expected
+
+
+def test_serialize_exception() -> None:
+    assert dump(Exception()) == {
+        "doc": None,
+        "full_access_path": "",
+        "name": "Exception",
+        "readonly": True,
+        "type": "Exception",
+        "value": "",
+    }
+    assert dump(Exception("Exception message")) == {
+        "doc": None,
+        "full_access_path": "",
+        "name": "Exception",
+        "readonly": True,
+        "type": "Exception",
+        "value": "Exception message",
+    }