fix: return default dict if not meta provided (#304)

* return default dict if not meta provided

Signed-off-by: sysradium <sysradium@users.noreply.github.com>

* add test

Signed-off-by: sysradium <sysradium@users.noreply.github.com>

---------

Signed-off-by: sysradium <sysradium@users.noreply.github.com>

Author: sysradium

providers/openfeature-provider-ofrep/src/openfeature/contrib/provider/ofrep/__init__.py

@@ -168,7 +168,7 @@ def _resolve(
             value=data["value"],
             reason=Reason[data["reason"]],
             variant=data["variant"],
-            flag_metadata=data["metadata"],
+            flag_metadata=data.get("metadata", {}),
         )
 
     def _handle_error(self, exception: requests.RequestException) -> NoReturn:

providers/openfeature-provider-ofrep/tests/test_provider.py

@@ -166,6 +166,28 @@ def test_provider_typecheck_flag_value(ofrep_provider, requests_mock):
         ofrep_provider.resolve_boolean_details("flag_key", False)
 
 
+def test_provider_missing_metadata_field(ofrep_provider, requests_mock):
+    """Test that provider handles missing metadata field gracefully"""
+    requests_mock.post(
+        "http://localhost:8080/ofrep/v1/evaluate/flags/flag_key",
+        json={
+            "key": "flag_key",
+            "reason": "TARGETING_MATCH",
+            "variant": "true",
+            "value": True,
+        },
+    )
+
+    resolution = ofrep_provider.resolve_boolean_details("flag_key", False)
+
+    assert resolution == FlagResolutionDetails(
+        value=True,
+        reason=Reason.TARGETING_MATCH,
+        variant="true",
+        flag_metadata={},
+    )
+
+
 @pytest.mark.parametrize(
     "base_url",
     [