import { createLocalVue, mount } from '@vue/test-utils'; import Vuex from 'vuex'; import { GlDrawer, GlInfiniteScroll } from '@gitlab/ui'; import { mockTracking, unmockTracking, triggerEvent } from 'helpers/tracking_helper'; import { createMockDirective, getBinding } from 'helpers/vue_mock_directive'; import App from '~/whats_new/components/app.vue'; import { getDrawerBodyHeight } from '~/whats_new/utils/get_drawer_body_height'; const MOCK_DRAWER_BODY_HEIGHT = 42; jest.mock('~/whats_new/utils/get_drawer_body_height', () => ({ getDrawerBodyHeight: jest.fn().mockImplementation(() => MOCK_DRAWER_BODY_HEIGHT), })); const localVue = createLocalVue(); localVue.use(Vuex); describe('App', () => { const propsData = { storageKey: 'storage-key' }; let wrapper; let store; let actions; let state; let trackingSpy; const buildWrapper = () => { actions = { openDrawer: jest.fn(), closeDrawer: jest.fn(), fetchItems: jest.fn(), setDrawerBodyHeight: jest.fn(), }; state = { open: true, features: [], drawerBodyHeight: null, }; store = new Vuex.Store({ actions, state, }); wrapper = mount(App, { localVue, store, propsData, directives: { GlResizeObserver: createMockDirective(), }, }); }; const findInfiniteScroll = () => wrapper.find(GlInfiniteScroll); const emitBottomReached = () => findInfiniteScroll().vm.$emit('bottomReached'); beforeEach(async () => { document.body.dataset.page = 'test-page'; document.body.dataset.namespaceId = 'namespace-840'; trackingSpy = mockTracking('_category_', null, jest.spyOn); buildWrapper(); wrapper.vm.$store.state.features = [{ title: 'Whats New Drawer', url: 'www.url.com' }]; wrapper.vm.$store.state.drawerBodyHeight = MOCK_DRAWER_BODY_HEIGHT; await wrapper.vm.$nextTick(); }); afterEach(() => { wrapper.destroy(); unmockTracking(); }); const getDrawer = () => wrapper.find(GlDrawer); it('contains a drawer', () => { expect(getDrawer().exists()).toBe(true); }); it('dispatches openDrawer and tracking calls when mounted', () => { expect(actions.openDrawer).toHaveBeenCalledWith(expect.any(Object), 'storage-key'); expect(trackingSpy).toHaveBeenCalledWith(undefined, 'click_whats_new_drawer', { label: 'namespace_id', value: 'namespace-840', }); }); it('dispatches closeDrawer when clicking close', () => { getDrawer().vm.$emit('close'); expect(actions.closeDrawer).toHaveBeenCalled(); }); it.each([true, false])('passes open property', async openState => { wrapper.vm.$store.state.open = openState; await wrapper.vm.$nextTick(); expect(getDrawer().props('open')).toBe(openState); }); it('renders features when provided via ajax', () => { expect(actions.fetchItems).toHaveBeenCalled(); expect(wrapper.find('h5').text()).toBe('Whats New Drawer'); }); it('send an event when feature item is clicked', () => { trackingSpy = mockTracking('_category_', wrapper.element, jest.spyOn); const link = wrapper.find('.whats-new-item-title-link'); triggerEvent(link.element); expect(trackingSpy.mock.calls[1]).toMatchObject([ '_category_', 'click_whats_new_item', { label: 'Whats New Drawer', property: 'www.url.com', }, ]); }); it('renders infinite scroll', () => { const scroll = findInfiniteScroll(); expect(scroll.props()).toMatchObject({ fetchedItems: wrapper.vm.$store.state.features.length, maxListHeight: MOCK_DRAWER_BODY_HEIGHT, }); }); describe('bottomReached', () => { beforeEach(() => { actions.fetchItems.mockClear(); }); it('when nextPage exists it calls fetchItems', () => { wrapper.vm.$store.state.pageInfo = { nextPage: 840 }; emitBottomReached(); expect(actions.fetchItems).toHaveBeenCalledWith(expect.anything(), 840); }); it('when nextPage does not exist it does not call fetchItems', () => { wrapper.vm.$store.state.pageInfo = { nextPage: null }; emitBottomReached(); expect(actions.fetchItems).not.toHaveBeenCalled(); }); }); it('calls getDrawerBodyHeight and setDrawerBodyHeight when resize directive is triggered', () => { const { value } = getBinding(getDrawer().element, 'gl-resize-observer'); value(); expect(getDrawerBodyHeight).toHaveBeenCalledWith(wrapper.find(GlDrawer).element); expect(actions.setDrawerBodyHeight).toHaveBeenCalledWith( expect.any(Object), MOCK_DRAWER_BODY_HEIGHT, ); }); });