Added type checking to tag_spec

Author: Joel Collins

labthings/server/spec/utilities.py

@@ -28,9 +28,13 @@ def tag_spec(obj, tags, add_group: bool = True):
         obj.__apispec__["tags"] = set()
 
     if isinstance(tags, set) or isinstance(tags, list):
+        if not all([isinstance(e, str) for e in tags]):
+            raise TypeError("All tags must be strings")
         obj.__apispec__["tags"] = obj.__apispec__["tags"].union(tags)
-    else:
+    elif isinstance(tags, str):
         obj.__apispec__["tags"].add(tags)
+    else:
+        raise TypeError("All tags must be strings")
 
 
 def get_spec(obj):