Chore: homepage tests (#6278)

src/__tests__/pages/api/theme.test.js

@@ -0,0 +1,41 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+import createMockRes from "test-utils/create-mock-res";
+
+const { checkAndCopyConfig, getSettings } = vi.hoisted(() => ({
+  checkAndCopyConfig: vi.fn(),
+  getSettings: vi.fn(),
+}));
+
+vi.mock("utils/config/config", () => ({
+  default: checkAndCopyConfig,
+  getSettings,
+}));
+
+import handler from "pages/api/theme";
+
+describe("pages/api/theme", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it("returns defaults when settings are missing", () => {
+    getSettings.mockReturnValueOnce({});
+
+    const res = createMockRes();
+    handler({ res });
+
+    expect(checkAndCopyConfig).toHaveBeenCalledWith("settings.yaml");
+    expect(res.statusCode).toBe(200);
+    expect(res.body).toEqual({ color: "slate", theme: "dark" });
+  });
+
+  it("returns configured color + theme when present", () => {
+    getSettings.mockReturnValueOnce({ color: "red", theme: "light" });
+
+    const res = createMockRes();
+    handler({ res });
+
+    expect(res.body).toEqual({ color: "red", theme: "light" });
+  });
+});