Chore: homepage tests (#6278)

src/widgets/kavita/component.test.jsx

@@ -0,0 +1,51 @@
+// @vitest-environment jsdom
+
+import { screen } from "@testing-library/react";
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+import { renderWithProviders } from "test-utils/render-with-providers";
+
+const { useWidgetAPI } = vi.hoisted(() => ({ useWidgetAPI: vi.fn() }));
+vi.mock("utils/proxy/use-widget-api", () => ({ default: useWidgetAPI }));
+
+import Component from "./component";
+
+describe("widgets/kavita/component", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it("renders placeholders while loading", () => {
+    useWidgetAPI.mockReturnValue({ data: undefined, error: undefined });
+
+    const { container } = renderWithProviders(<Component service={{ widget: { type: "kavita", url: "http://x" } }} />, {
+      settings: { hideErrors: false },
+    });
+
+    expect(container.querySelectorAll(".service-block")).toHaveLength(2);
+    expect(screen.getByText("kavita.seriesCount")).toBeInTheDocument();
+    expect(screen.getByText("kavita.totalFiles")).toBeInTheDocument();
+  });
+
+  it("renders error UI when widget API errors", () => {
+    useWidgetAPI.mockReturnValue({ data: undefined, error: { message: "nope" } });
+
+    renderWithProviders(<Component service={{ widget: { type: "kavita", url: "http://x" } }} />, {
+      settings: { hideErrors: false },
+    });
+
+    expect(screen.getAllByText(/widget\.api_error/i).length).toBeGreaterThan(0);
+    expect(screen.getByText("nope")).toBeInTheDocument();
+  });
+
+  it("renders counts when loaded", () => {
+    useWidgetAPI.mockReturnValue({ data: { seriesCount: 12, totalFiles: 34 }, error: undefined });
+
+    renderWithProviders(<Component service={{ widget: { type: "kavita", url: "http://x" } }} />, {
+      settings: { hideErrors: false },
+    });
+
+    expect(screen.getByText("12")).toBeInTheDocument();
+    expect(screen.getByText("34")).toBeInTheDocument();
+  });
+});

src/widgets/kavita/proxy.test.js

@@ -0,0 +1,97 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+import createMockRes from "test-utils/create-mock-res";
+
+const { httpProxy, getServiceWidget, cache, logger } = vi.hoisted(() => {
+  const store = new Map();
+
+  return {
+    httpProxy: vi.fn(),
+    getServiceWidget: vi.fn(),
+    cache: {
+      get: vi.fn((k) => store.get(k)),
+      put: vi.fn((k, v) => store.set(k, v)),
+      del: vi.fn((k) => store.delete(k)),
+      _reset: () => store.clear(),
+    },
+    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("widgets/widgets", () => ({
+  default: {
+    kavita: {
+      api: "{url}/{endpoint}",
+    },
+  },
+}));
+
+import kavitaProxyHandler from "./proxy";
+
+describe("widgets/kavita/proxy", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    cache._reset();
+  });
+
+  it("logs in and returns server stats", async () => {
+    getServiceWidget.mockResolvedValue({ type: "kavita", url: "http://kv", username: "u", password: "p" });
+
+    httpProxy
+      .mockResolvedValueOnce([200, "application/json", Buffer.from(JSON.stringify({ token: "tok" }))])
+      .mockResolvedValueOnce([
+        200,
+        "application/json",
+        Buffer.from(JSON.stringify({ seriesCount: 5, totalFiles: 100 })),
+      ]);
+
+    const req = { query: { group: "g", service: "svc", index: "0" } };
+    const res = createMockRes();
+
+    await kavitaProxyHandler(req, res);
+
+    expect(httpProxy).toHaveBeenCalledTimes(2);
+    expect(res.statusCode).toBe(200);
+    expect(res.body).toEqual({ seriesCount: 5, totalFiles: 100 });
+  });
+
+  it("retries after a 401 by obtaining a new session token", async () => {
+    cache.put("kavitaProxyHandler__sessionToken.svc", "old");
+
+    getServiceWidget.mockResolvedValue({ type: "kavita", url: "http://kv", username: "u", password: "p" });
+
+    httpProxy
+      .mockResolvedValueOnce([401, "application/json", Buffer.from("{}")])
+      .mockResolvedValueOnce([200, "application/json", Buffer.from(JSON.stringify({ token: "newtok" }))])
+      .mockResolvedValueOnce([200, "application/json", Buffer.from(JSON.stringify({ seriesCount: 1, totalFiles: 2 }))]);
+
+    const req = { query: { group: "g", service: "svc", index: "0" } };
+    const res = createMockRes();
+
+    await kavitaProxyHandler(req, res);
+
+    const loginCalls = httpProxy.mock.calls.filter(([url]) => url.toString().includes("Account/login"));
+    expect(loginCalls).toHaveLength(1);
+    expect(res.body).toEqual({ seriesCount: 1, totalFiles: 2 });
+  });
+});

src/widgets/kavita/widget.test.js

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+import { describe, it } from "vitest";
+
+import { expectWidgetConfigShape } from "test-utils/widget-config";
+
+import widget from "./widget";
+
+describe("kavita widget config", () => {
+  it("exports a valid widget config", () => {
+    expectWidgetConfigShape(widget);
+  });
+});