diff options
Diffstat (limited to 'spec/frontend/analytics/usage_trends/components/users_chart_spec.js')
-rw-r--r-- | spec/frontend/analytics/usage_trends/components/users_chart_spec.js | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/spec/frontend/analytics/usage_trends/components/users_chart_spec.js b/spec/frontend/analytics/usage_trends/components/users_chart_spec.js new file mode 100644 index 00000000000..6adfcca11ac --- /dev/null +++ b/spec/frontend/analytics/usage_trends/components/users_chart_spec.js @@ -0,0 +1,174 @@ +import { GlAlert } from '@gitlab/ui'; +import { GlAreaChart } from '@gitlab/ui/dist/charts'; +import { createLocalVue, shallowMount } from '@vue/test-utils'; +import VueApollo from 'vue-apollo'; +import createMockApollo from 'helpers/mock_apollo_helper'; +import UsersChart from '~/analytics/usage_trends/components/users_chart.vue'; +import usersQuery from '~/analytics/usage_trends/graphql/queries/users.query.graphql'; +import ChartSkeletonLoader from '~/vue_shared/components/resizable_chart/skeleton_loader.vue'; +import { mockQueryResponse } from '../apollo_mock_data'; +import { + mockCountsData1, + mockCountsData2, + roundedSortedCountsMonthlyChartData2, +} from '../mock_data'; + +const localVue = createLocalVue(); +localVue.use(VueApollo); + +describe('UsersChart', () => { + let wrapper; + let queryHandler; + + const createComponent = ({ + loadingError = false, + loading = false, + users = [], + additionalData = [], + } = {}) => { + queryHandler = mockQueryResponse({ key: 'users', data: users, loading, additionalData }); + + return shallowMount(UsersChart, { + props: { + startDate: new Date(2020, 9, 26), + endDate: new Date(2020, 10, 1), + totalDataPoints: mockCountsData2.length, + }, + localVue, + apolloProvider: createMockApollo([[usersQuery, queryHandler]]), + data() { + return { loadingError }; + }, + }); + }; + + afterEach(() => { + wrapper.destroy(); + wrapper = null; + }); + + const findLoader = () => wrapper.find(ChartSkeletonLoader); + const findAlert = () => wrapper.find(GlAlert); + const findChart = () => wrapper.find(GlAreaChart); + + describe('while loading', () => { + beforeEach(() => { + wrapper = createComponent({ loading: true }); + }); + + it('displays the skeleton loader', () => { + expect(findLoader().exists()).toBe(true); + }); + + it('hides the chart', () => { + expect(findChart().exists()).toBe(false); + }); + }); + + describe('without data', () => { + beforeEach(async () => { + wrapper = createComponent({ users: [] }); + await wrapper.vm.$nextTick(); + }); + + it('renders an no data message', () => { + expect(findAlert().text()).toBe('There is no data available.'); + }); + + it('hides the skeleton loader', () => { + expect(findLoader().exists()).toBe(false); + }); + + it('renders the chart', () => { + expect(findChart().exists()).toBe(false); + }); + }); + + describe('with data', () => { + beforeEach(async () => { + wrapper = createComponent({ users: mockCountsData2 }); + await wrapper.vm.$nextTick(); + }); + + it('hides the skeleton loader', () => { + expect(findLoader().exists()).toBe(false); + }); + + it('renders the chart', () => { + expect(findChart().exists()).toBe(true); + }); + + it('passes the data to the line chart', () => { + expect(findChart().props('data')).toEqual([ + { data: roundedSortedCountsMonthlyChartData2, name: 'Total users' }, + ]); + }); + }); + + describe('with errors', () => { + beforeEach(async () => { + wrapper = createComponent({ loadingError: true }); + await wrapper.vm.$nextTick(); + }); + + it('renders an error message', () => { + expect(findAlert().text()).toBe( + 'Could not load the user chart. Please refresh the page to try again.', + ); + }); + + it('hides the skeleton loader', () => { + expect(findLoader().exists()).toBe(false); + }); + + it('renders the chart', () => { + expect(findChart().exists()).toBe(false); + }); + }); + + describe('when fetching more data', () => { + describe('when the fetchMore query returns data', () => { + beforeEach(async () => { + wrapper = createComponent({ + users: mockCountsData2, + additionalData: mockCountsData1, + }); + + jest.spyOn(wrapper.vm.$apollo.queries.users, 'fetchMore'); + await wrapper.vm.$nextTick(); + }); + + it('requests data twice', () => { + expect(queryHandler).toBeCalledTimes(2); + }); + + it('calls fetchMore', () => { + expect(wrapper.vm.$apollo.queries.users.fetchMore).toHaveBeenCalledTimes(1); + }); + }); + + describe('when the fetchMore query throws an error', () => { + beforeEach(() => { + wrapper = createComponent({ + users: mockCountsData2, + additionalData: mockCountsData1, + }); + + jest + .spyOn(wrapper.vm.$apollo.queries.users, 'fetchMore') + .mockImplementation(jest.fn().mockRejectedValue()); + return wrapper.vm.$nextTick(); + }); + + it('calls fetchMore', () => { + expect(wrapper.vm.$apollo.queries.users.fetchMore).toHaveBeenCalledTimes(1); + }); + + it('renders an error message', () => { + expect(findAlert().text()).toBe( + 'Could not load the user chart. Please refresh the page to try again.', + ); + }); + }); + }); +}); |