import { render } from '@testing-library/react'; const mockPushMeasurement = jest.fn(); import { PanelLoadTimeMonitor } from './PanelLoadTimeMonitor'; jest.mock('app/core/config', () => ({ config: { grafanaJavascriptAgent: { enabled: true, }, }, })); jest.mock('@grafana/faro-web-sdk', () => ({ faro: { api: { pushMeasurement: mockPushMeasurement, }, }, })); describe('PanelLoadTimeMonitor', () => { beforeEach(() => { jest.clearAllMocks(); }); it('logs load time measurement on render', () => { jest.useFakeTimers(); const props = { isInPanelEdit: true, panelType: 'timeseries', panelId: 1, panelTitle: 'Panel Title', panelOptions: {}, panelFieldConfig: { defaults: {}, overrides: [], }, }; render(<PanelLoadTimeMonitor {...props} />); jest.runAllTimers(); expect(mockPushMeasurement).toHaveBeenCalledTimes(1); }); });