Add test for duplicate values in Enum

Author: dbanty

openapi_python_client/openapi_parser/properties.py

@@ -296,7 +296,7 @@ def values_from_list(l: List[str]) -> Dict[str, str]:
             else:
                 key = f"VALUE_{i}"
             if key in output:
-                raise AssertionError(f"Duplicate key {key} in Enum")
+                raise ValueError(f"Duplicate key {key} in Enum")
             output[key] = value
 
         return output

tests/test_openapi_parser/test_properties.py

@@ -295,6 +295,14 @@ def test_values_from_list(self):
             "VALUE_3": "1bc",
         }
 
+    def test_values_from_list_duplicate(self):
+        from openapi_python_client.openapi_parser.properties import EnumProperty
+
+        data = ["abc", "123", "a23", "abc"]
+
+        with pytest.raises(ValueError):
+            EnumProperty.values_from_list(data)
+
     def test_get_all_enums(self, mocker):
         from openapi_python_client.openapi_parser import properties