feat: sync latest ARR implementation

tests/test_arr_storage.py

@@ -145,6 +145,18 @@ class ObjectKeyPolicyTests(unittest.TestCase):
             with self.subTest(prefix=prefix), self.assertRaises(ValueError):
                 ObjectKeyPolicy(prefix)
 
+    def test_booking_source_uses_a_canonical_private_xlsx_key(self):
+        policy = ObjectKeyPolicy("arr/test")
+        address = ObjectAddress("booking-job-1", 1, "committed", "booking_source")
+
+        key = policy.build(address)
+
+        self.assertEqual(
+            key,
+            "arr/test/jobs/booking-job-1/attempts/0001/committed/booking_source/booking-source.xlsx",
+        )
+        self.assertEqual(policy.parse(key), address)
+
 
 class ManagedObjectStoreTests(unittest.TestCase):
     def setUp(self):