no message

tests/detect-captcha.test.js

@@ -41,7 +41,11 @@ function loadContentJs(mockDoc) {
     window: { location: { href: "https://example.com/login" } },
     document: mockDoc,
     chrome: {
-      runtime: { onMessage: { addListener() {} } },
+      runtime: {
+        onMessage: { addListener() {} },
+      },
+      // i18n mock：getMessage 返回 key 自身作为文案（fallback）
+      i18n: { getMessage: (key) => key || "" },
       storage: {
         local: { get: async () => ({}), set: async () => {}, remove: async () => {} },
         session: { get: async () => ({}), set: async () => {}, remove: async () => {} },
@@ -85,7 +89,8 @@ describe("detectCaptcha", () => {
     const r = sb.detectCaptcha();
     assert.ok(r);
     assert.equal(r.type, "reCAPTCHA");
-    assert.match(r.reason, /reCAPTCHA/);
+    // reason 由 i18n 提供，测试环境 fallback 到 key，断言非空字符串
+    assert.ok(typeof r.reason === "string" && r.reason.length > 0);
   });
 
   it("检测到 reCAPTCHA iframe", () => {