import { shallow, ShallowWrapper } from 'enzyme'; import { Button } from 'reactstrap'; import { AppUpdateBanner } from '../../src/common/AppUpdateBanner'; import { SimpleCard } from '../../src/utils/SimpleCard'; describe('', () => { const toggle = jest.fn(); const forceUpdate = jest.fn(); let wrapper: ShallowWrapper; beforeEach(() => { wrapper = shallow(); }); afterEach(jest.clearAllMocks); afterEach(() => wrapper?.unmount()); it('renders an alert with expected props', () => { expect(wrapper.prop('className')).toEqual('app-update-banner'); expect(wrapper.prop('isOpen')).toEqual(true); expect(wrapper.prop('toggle')).toEqual(toggle); expect(wrapper.prop('tag')).toEqual(SimpleCard); expect(wrapper.prop('color')).toEqual('secondary'); }); it('invokes toggle when alert is toggled', () => { (wrapper.prop('toggle') as Function)(); expect(toggle).toHaveBeenCalled(); }); it('triggers the update when clicking the button', () => { expect(wrapper.find(Button).html()).toContain('Restart now'); expect(wrapper.find(Button).prop('disabled')).toEqual(false); expect(forceUpdate).not.toHaveBeenCalled(); wrapper.find(Button).simulate('click'); expect(wrapper.find(Button).html()).toContain('Restarting...'); expect(wrapper.find(Button).prop('disabled')).toEqual(true); expect(forceUpdate).toHaveBeenCalled(); }); });