Function setupDownloadMocks

src/__tests__/client.test.ts:377–421

({
    downloadPatchFromPpk = mock(() => Promise.resolve()),
    downloadPatchFromPackage = mock(() => Promise.resolve()),
    downloadFullUpdate = mock(() => Promise.resolve()),
    addProgressListener = mock(() => ({ remove: mock(() => {}) })),
  }: {
    downloadPatchFromPpk?: ReturnType<typeof mock>;
    downloadPatchFromPackage?: ReturnType<typeof mock>;
    downloadFullUpdate?: ReturnType<typeof mock>;
    addProgressListener?: ReturnType<typeof mock>;
  } = {})

  });

  const setupDownloadMocks = ({
    downloadPatchFromPpk = mock(() => Promise.resolve()),
    downloadPatchFromPackage = mock(() => Promise.resolve()),
    downloadFullUpdate = mock(() => Promise.resolve()),
    addProgressListener = mock(() => ({ remove: mock(() => {}) })),
  }: {
    downloadPatchFromPpk?: ReturnType<typeof mock>;
    downloadPatchFromPackage?: ReturnType<typeof mock>;
    downloadFullUpdate?: ReturnType<typeof mock>;
    addProgressListener?: ReturnType<typeof mock>;
  } = {}) => {
    setupClientMocks({
      downloadPatchFromPpk,
      downloadPatchFromPackage,
      downloadFullUpdate,
      addProgressListener,
    });

    // Override setTimeout to skip real backoff delays in retry tests
    globalThis.setTimeout = ((fn: (...args: any[]) => void, _ms?: number) =>
      realSetTimeout(fn, 0)) as unknown as typeof setTimeout;

    // Mock testUrls to return urls directly (skip actual HEAD ping)
    mock.module('../utils', () => ({
      __esModule: true,
      assertWeb: () => true,
      computeProgress: (received: number, total: number) =>
        total > 0
          ? Math.min(100, Math.max(0, Math.floor((received / total) * 100)))
          : 0,
      DEFAULT_FETCH_TIMEOUT_MS: 5000,
      emptyObj: {},
      fetchWithTimeout: mock(() => Promise.resolve()),
      info: mock(() => {}),
      joinUrls: (paths: string[], fileName?: string) =>
        fileName ? paths.map(p => `${p}/${fileName}`) : undefined,
      log: mock(() => {}),
      noop: () => {},
      promiseAny: mock(() => Promise.resolve()),
      testUrls: (urls?: string[]) =>
        Promise.resolve(urls?.[0] || null),
    }));

    return { downloadPatchFromPpk, downloadPatchFromPackage, downloadFullUpdate };
  };

  const updateInfo = {
    update: true as const,