[python] Raise error for constructing RuntimeConfig from bad storage.

blp · blp · commit d7297958c362 · 2025-07-18T15:34:21.000Z
Until now, this was just silently ignored, which was surprising.

Signed-off-by: Ben Pfaff &lt;blp@feldera.com&gt;
diff --git a/python/feldera/runtime_config.py b/python/feldera/runtime_config.py
@@ -101,10 +101,13 @@ def __init__(
             }
         if resources is not None:
             self.resources = resources.__dict__
-        if isinstance(storage, bool):
-            self.storage = storage
-        if isinstance(storage, Storage):
-            self.storage = storage.__dict__
+        if storage is not None:
+            if isinstance(storage, bool):
+                self.storage = storage
+            elif isinstance(storage, Storage):
+                self.storage = storage.__dict__
+            else:
+                raise ValueError(f"Unknown value '{storage}' for storage")
 
     @staticmethod
     def default() -> "RuntimeConfig":
