Fallback extension key summaries when keys unreadable

Co-authored-by: Shri Sukhani <shrisukhani@users.noreply.github.com>

Author: cursoragent

hyperbrowser/client/managers/extension_utils.py

@@ -30,7 +30,11 @@ def _format_key_display(value: object) -> str:
 
 
 def _summarize_mapping_keys(mapping: Mapping[object, object]) -> str:
-    key_names = sorted(_format_key_display(key) for key in mapping.keys())
+    try:
+        mapping_keys = list(mapping.keys())
+    except Exception:
+        return "[<unavailable keys>]"
+    key_names = sorted(_format_key_display(key) for key in mapping_keys)
     if not key_names:
         return "[]"
     displayed_keys = key_names[:_MAX_DISPLAYED_MISSING_KEYS]

tests/test_extension_utils.py

@@ -157,3 +157,15 @@ def __str__(self) -> str:
         ),
     ):
         parse_extension_list_response_data({_BrokenStringKey(): "value"})
+
+
+def test_parse_extension_list_response_data_missing_key_handles_unreadable_keys():
+    class _BrokenKeysMapping(dict):
+        def keys(self):
+            raise RuntimeError("cannot read keys")
+
+    with pytest.raises(
+        HyperbrowserError,
+        match="Expected 'extensions' key in response but got \\[<unavailable keys>\\] keys",
+    ):
+        parse_extension_list_response_data(_BrokenKeysMapping({"id": "ext_1"}))