snapshot of https://github.com/RocketChat/Rocket.Chat.git (develop, 2026-09-16; blobs > 131072B omitted)

apps/meteor/client/views/root/hooks/useAutoupdate.spec.ts

@@ -0,0 +1,54 @@
+import { useToastMessageDispatch } from '@rocket.chat/ui-contexts';
+import { renderHook } from '@testing-library/react';
+
+import { useAutoupdate } from './useAutoupdate';
+
+jest.mock('@rocket.chat/ui-contexts', () => ({
+	useToastMessageDispatch: jest.fn(() => jest.fn()),
+}));
+
+jest.mock('react-i18next', () => ({
+	useTranslation: () => ({
+		t: (key: string) => key,
+	}),
+}));
+
+describe('useAutoupdate', () => {
+	it('should add event listener to document on mount', () => {
+		const addEventListenerSpy = jest.spyOn(document, 'addEventListener');
+		renderHook(() => useAutoupdate());
+		expect(addEventListenerSpy).toHaveBeenCalled();
+		expect(addEventListenerSpy).toHaveBeenCalledWith('client_changed', expect.any(Function));
+	});
+
+	it('should remove event listener on unmount', () => {
+		const removeEventListenerSpy = jest.spyOn(document, 'removeEventListener');
+		const { unmount } = renderHook(() => useAutoupdate());
+		unmount();
+		expect(removeEventListenerSpy).toHaveBeenCalled();
+		expect(removeEventListenerSpy).toHaveBeenCalledWith('client_changed', expect.any(Function));
+	});
+
+	it('should call toast function when client_changed event is fired', () => {
+		const toastMock = jest.fn();
+		(useToastMessageDispatch as jest.Mock).mockImplementation(() => toastMock);
+		renderHook(() => useAutoupdate());
+
+		const event = new Event('client_changed');
+		document.dispatchEvent(event);
+
+		expect(toastMock).toHaveBeenCalledTimes(1);
+		expect(toastMock).toHaveBeenCalledWith({
+			type: 'info',
+			message: expect.anything(),
+			options: { isPersistent: true },
+		});
+	});
+
+	it('should not call toast function when client_changed event is not fired', () => {
+		const toastMock = jest.fn();
+		(useToastMessageDispatch as jest.Mock).mockImplementation(() => toastMock);
+		renderHook(() => useAutoupdate());
+		expect(toastMock).not.toHaveBeenCalled();
+	});
+});