/** * @jest-environment jsdom */ import { render } from '@testing-library/react'; import { UnconnectedPageViewTracker as PageViewTracker } from '../'; describe( 'PageViewTracker', () => { beforeEach( () => { jest.useFakeTimers(); } ); afterEach( () => { jest.runOnlyPendingTimers(); jest.useRealTimers(); } ); test( 'should immediately fire off event when given no delay', () => { const recorder = jest.fn(); render( ); expect( recorder ).toHaveBeenCalledTimes( 1 ); } ); test( 'should wait for the delay before firing off the event', () => { const recorder = jest.fn(); render( ); expect( recorder ).not.toHaveBeenCalled(); jest.advanceTimersByTime( 500 ); expect( recorder ).toHaveBeenCalledTimes( 1 ); } ); test( 'should pass the appropriate event information', () => { const recorder = jest.fn(); const properties = {}; const options = {}; render( ); expect( recorder ).toHaveBeenCalledWith( '/test', 'test', 'default', properties, options ); } ); } );