From 3b7f621cbc9843ff7cd49397cc83b26ba4448cb5 Mon Sep 17 00:00:00 2001
From: korotaav48 <korotaav48@gmail.com>
Date: Thu, 26 Mar 2026 14:22:50 +0300
Subject: [PATCH] fix: allow name to be None in BaseMetadata to handle API
 response #63 (#64)

Co-authored-by: Aleksei Korota <Aleksei_Korota@epam.com>
(cherry picked from commit 17e2857e160a80116aac900d044d4bbac7b757c3)
---
 aidial_client/types/metadata.py   |  2 +-
 tests/test_response_processing.py | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 tests/test_response_processing.py

diff --git a/aidial_client/types/metadata.py b/aidial_client/types/metadata.py
index 7662c20..874c529 100644
--- a/aidial_client/types/metadata.py
+++ b/aidial_client/types/metadata.py
@@ -17,7 +17,7 @@ class Config:
             alias_generator = to_camel
             allow_population_by_field_name = True
 
-    name: str
+    name: Optional[str] = None
     parent_path: Optional[str] = None
     bucket: str
     url: str
diff --git a/tests/test_response_processing.py b/tests/test_response_processing.py
new file mode 100644
index 0000000..c5ca642
--- /dev/null
+++ b/tests/test_response_processing.py
@@ -0,0 +1,30 @@
+from aidial_client.types.metadata import FileMetadata
+
+BUCKET = "684f6Lz7ubje66aoCRsa5c"
+
+PAYLOAD = {
+    "bucket": BUCKET,
+    "name": None,
+    "nodeType": "FOLDER",
+    "parentPath": None,
+    "resourceType": "FILE",
+    "url": f"files/{BUCKET}/",
+    "items": [
+        {
+            "bucket": BUCKET,
+            "name": "appdata",
+            "nodeType": "FOLDER",
+            "parentPath": None,
+            "resourceType": "FILE",
+            "url": f"files/{BUCKET}/appdata/",
+        }
+    ],
+}
+
+
+def test_name_is_none_round_trip():
+    """Root folder returned by the API has name=None; parse→serialize must reproduce the original payload."""
+    assert PAYLOAD["name"] is None
+    result = FileMetadata(**PAYLOAD)
+    assert result.name is None
+    assert result.model_dump(by_alias=True, exclude_unset=True) == PAYLOAD