test: add widget proxy tests (batch 3)

src/widgets/plex/proxy.test.js

@@ -0,0 +1,93 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+import createMockRes from "test-utils/create-mock-res";
+
+const { httpProxy, getServiceWidget, cache, xml2json, logger } = vi.hoisted(() => {
+  const store = new Map();
+  return {
+    httpProxy: vi.fn(),
+    getServiceWidget: vi.fn(),
+    cache: {
+      get: vi.fn((k) => (store.has(k) ? store.get(k) : null)),
+      put: vi.fn((k, v) => store.set(k, v)),
+      del: vi.fn((k) => store.delete(k)),
+      _reset: () => store.clear(),
+    },
+    xml2json: vi.fn((xml) => {
+      if (xml === "sessions") return JSON.stringify({ MediaContainer: { _attributes: { size: "2" } } });
+      if (xml === "libraries")
+        return JSON.stringify({
+          MediaContainer: {
+            Directory: [
+              { _attributes: { type: "movie", key: "1" } },
+              { _attributes: { type: "show", key: "2" } },
+              { _attributes: { type: "artist", key: "3" } },
+            ],
+          },
+        });
+      if (xml === "movies") return JSON.stringify({ MediaContainer: { _attributes: { size: "10" } } });
+      if (xml === "tv") return JSON.stringify({ MediaContainer: { _attributes: { totalSize: "20" } } });
+      if (xml === "albums") return JSON.stringify({ MediaContainer: { _attributes: { size: "30" } } });
+      return JSON.stringify({ MediaContainer: { _attributes: { size: "0" } } });
+    }),
+    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,
+}));
+vi.mock("memory-cache", () => ({
+  default: cache,
+  ...cache,
+}));
+vi.mock("xml-js", () => ({
+  xml2json,
+}));
+vi.mock("widgets/widgets", () => ({
+  default: {
+    plex: {
+      api: "{url}{endpoint}",
+    },
+  },
+}));
+
+import plexProxyHandler from "./proxy";
+
+describe("widgets/plex/proxy", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    cache._reset();
+  });
+
+  it("fetches sessions and library counts, caching intermediate results", async () => {
+    getServiceWidget.mockResolvedValue({ type: "plex", url: "http://plex" });
+
+    httpProxy
+      // sessions
+      .mockResolvedValueOnce([200, "application/xml", Buffer.from("sessions")])
+      // libraries
+      .mockResolvedValueOnce([200, "application/xml", Buffer.from("libraries")])
+      // movies
+      .mockResolvedValueOnce([200, "application/xml", Buffer.from("movies")])
+      // tv
+      .mockResolvedValueOnce([200, "application/xml", Buffer.from("tv")])
+      // albums
+      .mockResolvedValueOnce([200, "application/xml", Buffer.from("albums")]);
+
+    const req = { query: { group: "g", service: "svc", index: "0" } };
+    const res = createMockRes();
+
+    await plexProxyHandler(req, res);
+
+    expect(res.statusCode).toBe(200);
+    expect(res.body).toEqual({ streams: "2", albums: 30, movies: 10, tv: 20 });
+    expect(cache.put).toHaveBeenCalled();
+  });
+});