From 840d020490cf0551c1752b9ff845050f35cd59cc Mon Sep 17 00:00:00 2001
From: ytj-zuel <15623621570>
Date: Mon, 6 Jul 2026 14:00:51 +0800
Subject: [PATCH] test: add unit tests for getClientConfig

Adds a small, focused, additive unit-test file (test/get-client-config.test.ts).
No existing files are modified or removed. yarn test:ci passes locally.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---
 test/get-client-config.test.ts | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 test/get-client-config.test.ts

diff --git a/test/get-client-config.test.ts b/test/get-client-config.test.ts
new file mode 100644
index 00000000000..4b07384fd66
--- /dev/null
+++ b/test/get-client-config.test.ts
@@ -0,0 +1,25 @@
+import { getClientConfig } from "../app/config/client";
+
+describe("getClientConfig (client side)", () => {
+  afterEach(() => {
+    document
+      .querySelectorAll("meta[name='config']")
+      .forEach((meta) => meta.remove());
+  });
+
+  test("returns an empty object when no config meta tag is present", () => {
+    expect(getClientConfig()).toEqual({});
+  });
+
+  test("parses the JSON payload from the config meta tag", () => {
+    const meta = document.createElement("meta");
+    meta.name = "config";
+    meta.content = JSON.stringify({ buildMode: "standalone", isApp: false });
+    document.head.appendChild(meta);
+
+    expect(getClientConfig()).toEqual({
+      buildMode: "standalone",
+      isApp: false,
+    });
+  });
+});