test: add API route tests

src/pages/api/services/index.test.js

@@ -0,0 +1,30 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+import createMockRes from "test-utils/create-mock-res";
+
+const { servicesResponse } = vi.hoisted(() => ({
+  servicesResponse: vi.fn(),
+}));
+
+vi.mock("utils/config/api-response", () => ({
+  servicesResponse,
+}));
+
+import handler from "./index";
+
+describe("pages/api/services/index", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it("returns servicesResponse()", async () => {
+    servicesResponse.mockResolvedValueOnce({ services: [] });
+
+    const req = {};
+    const res = createMockRes();
+
+    await handler(req, res);
+
+    expect(res.body).toEqual({ services: [] });
+  });
+});