From 67556b8cbca4726d06fbe444bbdb8a1332a0a3d2 Mon Sep 17 00:00:00 2001
From: YoVinchen <gzh298255@gmail.com>
Date: Mon, 12 Jan 2026 21:47:53 +0800
Subject: [PATCH] test(proxy): add nested JSON error detection test for
 thinking rectifier

---
 src-tauri/src/proxy/thinking_rectifier.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src-tauri/src/proxy/thinking_rectifier.rs b/src-tauri/src/proxy/thinking_rectifier.rs
index 24620d35e..731beb9c0 100644
--- a/src-tauri/src/proxy/thinking_rectifier.rs
+++ b/src-tauri/src/proxy/thinking_rectifier.rs
@@ -240,6 +240,16 @@ mod tests {
         ));
     }
 
+    #[test]
+    fn test_detect_invalid_signature_nested_json() {
+        // 测试嵌套 JSON 格式的错误消息（第三方渠道常见格式）
+        let nested_error = r#"{"error":{"message":"{\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"***.content.0: Invalid `signature` in `thinking` block\"},\"request_id\":\"req_xxx\"}"}}"#;
+        assert!(should_rectify_thinking_signature(
+            Some(nested_error),
+            &enabled_config()
+        ));
+    }
+
     #[test]
     fn test_detect_thinking_expected() {
         assert!(should_rectify_thinking_signature(