Chore: homepage tests (#6278)

src/__tests__/pages/robots.txt.test.js

@@ -0,0 +1,45 @@
+import { describe, expect, it, vi } from "vitest";
+
+const { getSettings } = vi.hoisted(() => ({
+  getSettings: vi.fn(),
+}));
+
+vi.mock("utils/config/config", () => ({
+  getSettings,
+}));
+
+import RobotsTxt, { getServerSideProps } from "pages/robots.txt.js";
+
+function createMockRes() {
+  return {
+    setHeader: vi.fn(),
+    write: vi.fn(),
+    end: vi.fn(),
+  };
+}
+
+describe("pages/robots.txt", () => {
+  it("allows indexing when disableIndexing is falsey", async () => {
+    getSettings.mockReturnValueOnce({ disableIndexing: false });
+    const res = createMockRes();
+
+    await getServerSideProps({ res });
+
+    expect(res.setHeader).toHaveBeenCalledWith("Content-Type", "text/plain");
+    expect(res.write).toHaveBeenCalledWith("User-agent: *\nAllow: /");
+    expect(res.end).toHaveBeenCalled();
+  });
+
+  it("disallows indexing when disableIndexing is truthy", async () => {
+    getSettings.mockReturnValueOnce({ disableIndexing: true });
+    const res = createMockRes();
+
+    await getServerSideProps({ res });
+
+    expect(res.write).toHaveBeenCalledWith("User-agent: *\nDisallow: /");
+  });
+
+  it("exports a placeholder component", () => {
+    expect(RobotsTxt()).toBeNull();
+  });
+});