From 171b5ee140f4ba98c40e71baffc21e5feeca28e0 Mon Sep 17 00:00:00 2001
From: Zhang <56248212+YonganZhang@users.noreply.github.com>
Date: Tue, 16 Jun 2026 19:36:59 +0800
Subject: [PATCH] test(observability): cover custom_openai Ollama timeout chain
 (#3660)

---
 src/core/observability.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/core/observability.rs b/src/core/observability.rs
index 364c9fdac..7f07c6d1d 100644
--- a/src/core/observability.rs
+++ b/src/core/observability.rs
@@ -3152,6 +3152,20 @@ mod tests {
         }
     }
 
+    #[test]
+    fn custom_openai_ollama_timeout_fallback_chain_is_network_unreachable() {
+        let chain =
+            "custom_openai chat completions transport error: error sending request for url \
+                     (http://localhost:11434/v1/chat/completions): operation timed out \
+                     (responses fallback failed: custom_openai API error (404 Not Found): \
+                     {\"error\":\"not found\"})";
+        assert_eq!(
+            expected_error_kind(chain),
+            Some(ExpectedErrorKind::NetworkUnreachable),
+            "local Ollama timeout plus responses fallback failure must not page Sentry"
+        );
+    }
+
     #[test]
     fn does_not_classify_unrelated_provider_errors_as_network() {
         // Status-bearing provider failures (404, 500, …) are surfaced via