test: add widget proxy tests (batch 1)

src/widgets/flood/proxy.test.js

@@ -0,0 +1,69 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+import createMockRes from "test-utils/create-mock-res";
+
+const { httpProxy, getServiceWidget, logger } = vi.hoisted(() => ({
+  httpProxy: vi.fn(),
+  getServiceWidget: vi.fn(),
+  logger: {
+    debug: vi.fn(),
+    error: vi.fn(),
+  },
+}));
+
+vi.mock("utils/logger", () => ({
+  default: () => logger,
+}));
+
+vi.mock("utils/config/service-helpers", () => ({
+  default: getServiceWidget,
+}));
+
+vi.mock("utils/proxy/http", () => ({
+  httpProxy,
+}));
+
+import floodProxyHandler from "./proxy";
+
+describe("widgets/flood/proxy", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it("logs in and retries after a 401 response", async () => {
+    getServiceWidget.mockResolvedValue({ url: "http://flood" });
+    httpProxy
+      .mockResolvedValueOnce([401, "application/json", Buffer.from("nope")])
+      .mockResolvedValueOnce([200, "application/json", Buffer.from("ok")])
+      .mockResolvedValueOnce([200, "application/json", Buffer.from("data")]);
+
+    const req = { query: { group: "g", service: "svc", endpoint: "stats", index: "0" } };
+    const res = createMockRes();
+
+    await floodProxyHandler(req, res);
+
+    expect(httpProxy).toHaveBeenCalledTimes(3);
+    expect(httpProxy.mock.calls[0][0].toString()).toBe("http://flood/api/stats");
+    expect(httpProxy.mock.calls[1][0]).toBe("http://flood/api/auth/authenticate");
+    expect(httpProxy.mock.calls[1][1].body).toBeNull();
+    expect(httpProxy.mock.calls[2][0].toString()).toBe("http://flood/api/stats");
+    expect(res.statusCode).toBe(200);
+    expect(res.body).toEqual(Buffer.from("data"));
+  });
+
+  it("returns the login error status when authentication fails", async () => {
+    getServiceWidget.mockResolvedValue({ url: "http://flood", username: "u", password: "p" });
+    httpProxy
+      .mockResolvedValueOnce([401, "application/json", Buffer.from("nope")])
+      .mockResolvedValueOnce([500, "application/json", Buffer.from("bad")]);
+
+    const req = { query: { group: "g", service: "svc", endpoint: "stats", index: "0" } };
+    const res = createMockRes();
+
+    await floodProxyHandler(req, res);
+
+    expect(httpProxy.mock.calls[1][1].body).toBe(JSON.stringify({ username: "u", password: "p" }));
+    expect(res.statusCode).toBe(500);
+    expect(res.end).toHaveBeenCalledWith(Buffer.from("bad"));
+  });
+});