Chore: homepage tests (#6278)

src/__tests__/pages/api/search/searchSuggestion.test.js

@@ -0,0 +1,106 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+import createMockRes from "test-utils/create-mock-res";
+
+const { providers, getSettings, widgetsFromConfig, cachedRequest } = vi.hoisted(() => ({
+  providers: {
+    custom: { name: "Custom", url: false, suggestionUrl: null },
+    google: { name: "Google", url: "https://google?q=", suggestionUrl: "https://google/suggest?q=" },
+    empty: { name: "NoSuggest", url: "x", suggestionUrl: null },
+  },
+  getSettings: vi.fn(),
+  widgetsFromConfig: vi.fn(),
+  cachedRequest: vi.fn(),
+}));
+
+vi.mock("components/widgets/search/search", () => ({
+  searchProviders: {
+    custom: providers.custom,
+    google: providers.google,
+    empty: providers.empty,
+  },
+}));
+
+vi.mock("utils/config/config", () => ({
+  getSettings,
+}));
+
+vi.mock("utils/config/widget-helpers", () => ({
+  widgetsFromConfig,
+}));
+
+vi.mock("utils/proxy/http", () => ({
+  cachedRequest,
+}));
+
+import handler from "pages/api/search/searchSuggestion";
+
+describe("pages/api/search/searchSuggestion", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+
+    // Reset provider objects since handler mutates the Custom provider.
+    providers.custom.url = false;
+    providers.custom.suggestionUrl = null;
+  });
+
+  it("returns empty suggestions when providerName is unknown", async () => {
+    const req = { query: { query: "hello", providerName: "Unknown" } };
+    const res = createMockRes();
+
+    await handler(req, res);
+
+    expect(res.body).toEqual(["hello", []]);
+  });
+
+  it("returns empty suggestions when provider has no suggestionUrl", async () => {
+    const req = { query: { query: "hello", providerName: "NoSuggest" } };
+    const res = createMockRes();
+
+    await handler(req, res);
+
+    expect(res.body).toEqual(["hello", []]);
+  });
+
+  it("calls cachedRequest for a standard provider", async () => {
+    cachedRequest.mockResolvedValueOnce(["q", ["a"]]);
+
+    const req = { query: { query: "hello world", providerName: "Google" } };
+    const res = createMockRes();
+
+    await handler(req, res);
+
+    expect(cachedRequest).toHaveBeenCalledWith("https://google/suggest?q=hello%20world", 5, "Mozilla/5.0");
+    expect(res.body).toEqual(["q", ["a"]]);
+  });
+
+  it("resolves Custom provider suggestionUrl from widgets.yaml when present", async () => {
+    widgetsFromConfig.mockResolvedValueOnce([
+      { type: "search", options: { url: "https://custom?q=", suggestionUrl: "https://custom/suggest?q=" } },
+    ]);
+    cachedRequest.mockResolvedValueOnce(["q", ["x"]]);
+
+    const req = { query: { query: "hello", providerName: "Custom" } };
+    const res = createMockRes();
+
+    await handler(req, res);
+
+    expect(cachedRequest).toHaveBeenCalledWith("https://custom/suggest?q=hello", 5, "Mozilla/5.0");
+    expect(res.body).toEqual(["q", ["x"]]);
+  });
+
+  it("falls back to quicklaunch custom settings when no search widget is configured", async () => {
+    widgetsFromConfig.mockResolvedValueOnce([]);
+    getSettings.mockReturnValueOnce({
+      quicklaunch: { provider: "custom", url: "https://ql?q=", suggestionUrl: "https://ql/suggest?q=" },
+    });
+    cachedRequest.mockResolvedValueOnce(["q", ["y"]]);
+
+    const req = { query: { query: "hello", providerName: "Custom" } };
+    const res = createMockRes();
+
+    await handler(req, res);
+
+    expect(cachedRequest).toHaveBeenCalledWith("https://ql/suggest?q=hello", 5, "Mozilla/5.0");
+  });
+});