From e0446083f1144dd83f9c4e52bb866b421e5ed1fa Mon Sep 17 00:00:00 2001
From: 9aoy <9aoyuao@gmail.com>
Date: Wed, 8 Apr 2026 16:49:46 +0800
Subject: [PATCH] fix: avoid logging undefined metadata in mocking example

---
 rstest/mocking/src/logger.ts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/rstest/mocking/src/logger.ts b/rstest/mocking/src/logger.ts
index 7badc642b..47575c631 100644
--- a/rstest/mocking/src/logger.ts
+++ b/rstest/mocking/src/logger.ts
@@ -36,21 +36,37 @@ export class Logger {
 
   debug(message: string, metadata?: Record<string, unknown>): void {
     const entry = this.createEntry('debug', message, metadata);
+    if (metadata === undefined) {
+      console.debug(entry.message);
+      return;
+    }
     console.debug(entry.message, metadata);
   }
 
   info(message: string, metadata?: Record<string, unknown>): void {
     const entry = this.createEntry('info', message, metadata);
+    if (metadata === undefined) {
+      console.info(entry.message);
+      return;
+    }
     console.info(entry.message, metadata);
   }
 
   warn(message: string, metadata?: Record<string, unknown>): void {
     const entry = this.createEntry('warn', message, metadata);
+    if (metadata === undefined) {
+      console.warn(entry.message);
+      return;
+    }
     console.warn(entry.message, metadata);
   }
 
   error(message: string, metadata?: Record<string, unknown>): void {
     const entry = this.createEntry('error', message, metadata);
+    if (metadata === undefined) {
+      console.error(entry.message);
+      return;
+    }
     console.error(entry.message, metadata);
   }