only lowercase leaf nodes of rule

Author: joshua-koehler

mixpanel/flags/local_feature_flags.py

@@ -334,13 +334,13 @@ def lowercase_keys_and_values(self, val: Any) -> Any:
 
     def lowercase_only_leaf_nodes(self, val: Any) -> Dict[str, Any]:
         if isinstance(val, str): 
-            return val
+            return val.casefold()
         elif isinstance(val, list):
-            return [self.lowercase_keys_and_values(item) for item in val]
+            return [self.lowercase_only_leaf_nodes(item) for item in val]
         elif isinstance(val, dict):
             return {
                 key:
-                self.lowercase_keys_and_values(value)
+                self.lowercase_only_leaf_nodes(value)
                 for key, value in val.items()
             }
         else:

mixpanel/flags/test_local_feature_flags.py

@@ -238,7 +238,7 @@ async def test_get_variant_value_respects_runtime_evaluation_rule_not_satisfied_
         assert result == "fallback"
 
     @respx.mock
-    async def test_get_variant_value_respects_runtime_evaluation_rule_caseinsensitive_values__satisfied(self):
+    async def test_get_variant_value_respects_runtime_evaluation_rule_caseinsensitive_param_value__satisfied(self):
         runtime_eval = {
             "==": [{"var": "plan"}, "premium"]
         }
@@ -263,6 +263,19 @@ async def test_get_variant_value_respects_runtime_evaluation_rule_caseinsensitiv
         result = self._flags.get_variant_value(TEST_FLAG_KEY, "fallback", context)
         assert result != "fallback"
 
+    @respx.mock
+    async def test_get_variant_value_respects_runtime_evaluation_rule_caseinsensitive_rule_value__satisfied(self):
+        runtime_eval = {
+            "==": [{"var": "plan"}, "pREMIUm"]
+        }
+        flag = create_test_flag(runtime_evaluation_rule=runtime_eval)
+        await self.setup_flags([flag])
+        context = self.user_context_with_properties({
+            "plan": "premium",
+        })
+        result = self._flags.get_variant_value(TEST_FLAG_KEY, "fallback", context)
+        assert result != "fallback"
+
     @respx.mock
     async def test_get_variant_value_respects_runtime_evaluation_rule_contains_satisfied(self):
         runtime_eval = {