From fd63ff1fa153c7d08fedb8375d843fa99442cc58 Mon Sep 17 00:00:00 2001
From: mateo-berri <277851410+mateo-berri@users.noreply.github.com>
Date: Sat, 5 Sep 2026 13:22:05 -0700
Subject: [PATCH] test(anthropic): pin case-insensitive matching of WIF
 exchange-host allowlist entries

---
 tests/test_litellm/llms/anthropic/test_anthropic_wif.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/test_litellm/llms/anthropic/test_anthropic_wif.py b/tests/test_litellm/llms/anthropic/test_anthropic_wif.py
index 1e1e1e5c5cc..515d0c5ede6 100644
--- a/tests/test_litellm/llms/anthropic/test_anthropic_wif.py
+++ b/tests/test_litellm/llms/anthropic/test_anthropic_wif.py
@@ -278,6 +278,11 @@ class TestExchangeHostTrust:
         monkeypatch.setenv("LITELLM_ANTHROPIC_WIF_ALLOWED_HOSTS", "gateway.internal:8443")
         assert self._mint("https://gateway.internal:8443", monkeypatch) == "https://gateway.internal:8443/v1/oauth/token"
 
+    def test_allowlist_matching_ignores_hostname_case(self, monkeypatch: pytest.MonkeyPatch):
+        monkeypatch.setenv("LITELLM_ANTHROPIC_WIF_ALLOWED_HOSTS", "Gateway.Internal:8443")
+        assert self._mint("https://gateway.internal:8443", monkeypatch) == "https://gateway.internal:8443/v1/oauth/token"
+        assert self._mint("https://GATEWAY.internal:8443", monkeypatch) == "https://GATEWAY.internal:8443/v1/oauth/token"
+
 
 class TestBaseUrlDerivation:
     def _mint(self, api_base: str | None, monkeypatch: pytest.MonkeyPatch) -> str: