From 87849b74b9b726dbaf1502c7a9c26fc064eb57f9 Mon Sep 17 00:00:00 2001
From: user <70670632+stuxf@users.noreply.github.com>
Date: Thu, 30 Apr 2026 14:03:54 -0700
Subject: [PATCH] test(gemini): cover decoded delete file names

---
 .../files/test_gemini_files_transformation.py       | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tests/test_litellm/llms/gemini/files/test_gemini_files_transformation.py b/tests/test_litellm/llms/gemini/files/test_gemini_files_transformation.py
index 334c691fdba..88010d01459 100644
--- a/tests/test_litellm/llms/gemini/files/test_gemini_files_transformation.py
+++ b/tests/test_litellm/llms/gemini/files/test_gemini_files_transformation.py
@@ -398,3 +398,16 @@ class TestGoogleAIStudioFilesTransformation:
                 optional_params={},
                 litellm_params=litellm_params,
             )
+
+    def test_transform_delete_file_request_rejects_deeply_encoded_traversal_url(self):
+        litellm_params = {
+            "api_key": "test-api-key",
+            "api_base": "https://generativelanguage.googleapis.com",
+        }
+
+        with pytest.raises(ValueError, match="Invalid Gemini file name"):
+            self.handler.transform_delete_file_request(
+                file_id="https://generativelanguage.googleapis.com/v1beta/files/..%2525252Fsecrets",
+                optional_params={},
+                litellm_params=litellm_params,
+            )