Handle case when totalRecords is the first key in the json

CHANGELOG.md

@@ -13,6 +13,8 @@ Please see [MIGRATING.md](./MIGRATING.md) for information on breaking changes.
 
 ### Fixed
 
+- Endpoints which return totalRecords as the first key
+
 ### Changed
 
 ### Removed

src/ldlite/_folio.py

@@ -36,7 +36,7 @@ class FolioClient:
     def __init__(self, params: FolioParams):
         self._client_factory = default_client_factory(params)
 
-    def iterate_records(
+    def iterate_records(  # noqa: C901 (to be really fixed in a non-bugfix release)
         self,
         path: str,
         timeout: float,
@@ -92,7 +92,15 @@ def iterate_records(
                         record = ""
                     return
 
-            key = next(iter(j.keys()))
+            # folio records usually have two keys
+            # the actual list and the totalRecords key
+            # totalRecords isn't always in the same spot
+            # so we check for keys until we find a good one
+            # totalRecords as of right now is the only key that could get in the way
+            # but there may end up with more
+            keys = iter(j.keys())
+            while (key := next(keys)) and key in ["totalRecords"]:
+                ...
             nonid_key = (
                 # Grab the first key if there isn't an id column
                 # because we need it to offset page properly

tests/test_cases/base.py

@@ -33,10 +33,13 @@ def patch_request_get(
         httpx_post_mock.return_value.cookies.__getitem__.return_value = "token"
 
         side_effects = []
-        for values in self.values.values():
+        for i, values in enumerate(self.values.values()):
             key = next(iter(values[0].keys()))
             total_mock = MagicMock()
-            total_mock.text = f'{{"{key}": [{{"id": ""}}], "totalRecords": 100000}}'
+            if i % 2 == 0:
+                total_mock.text = f'{{"{key}": [{{"id": ""}}], "totalRecords": 100000}}'
+            else:
+                total_mock.text = f'{{"totalRecords": 100000, "{key}": [{{"id": ""}}]}}'
 
             value_mocks = []
             for v in values: