Function setupNotificationTest

tests/ui/compaction/compaction.test.ts:391–433

Set up harness with notification mocks, send seed message, return cleanup + count

(seedMessage: string)

  /** Set up harness with notification mocks, send seed message, return cleanup + count */
  async function setupNotificationTest(seedMessage: string) {
    const app = await createAppHarness({ branchPrefix: "compact-notify" });

    // Mock document.hasFocus AFTER harness creates the DOM window
    // Happy-dom's hasFocus returns !!this.activeElement - clear it to return false
    const originalActiveElement = Object.getOwnPropertyDescriptor(
      Object.getPrototypeOf(globalThis.document),
      "activeElement"
    );
    Object.defineProperty(globalThis.document, "activeElement", {
      get: () => null,
      configurable: true,
    });

    // Set Notification on the happy-dom window
    (window as { Notification: unknown }).Notification = (
      globalThis as { Notification: unknown }
    ).Notification;

    // Enable notifications via UI (click bell button in workspace header)
    const notifyButton = app.view.container.querySelector(
      '[data-testid="notify-on-response-button"]'
    );
    if (!notifyButton) throw new Error("Notify button not found");
    fireEvent.click(notifyButton);

    // Send seed message and wait for notification
    await app.chat.send(seedMessage);
    await app.chat.expectTranscriptContains(`Mock response: ${seedMessage}`);
    await waitFor(() => expect(notifications.length).toBeGreaterThanOrEqual(1), { timeout: 5_000 });

    const countAfterSeed = notifications.length;
    expect(countAfterSeed).toBe(1);

    const cleanup = async () => {
      if (originalActiveElement) {
        Object.defineProperty(globalThis.document, "activeElement", originalActiveElement);
      }
      await app.dispose();
    };

    return { app, countAfterSeed, cleanup };
  }

  /** Wait for new notifications after seed, return count and last notification */
  async function waitForNewNotifications(countAfterSeed: number) {