import Vue from 'vue'; import { mount } from '@vue/test-utils'; import MockAdapter from 'axios-mock-adapter'; import { createStore } from '~/contributors/stores'; import axios from '~/lib/utils/axios_utils'; import ContributorsCharts from '~/contributors/components/contributors.vue'; let wrapper; let mock; let store; const Component = Vue.extend(ContributorsCharts); const endpoint = 'contributors'; const branch = 'master'; const chartData = [ { author_name: 'John', author_email: 'jawnnypoo@gmail.com', date: '2019-05-05' }, { author_name: 'John', author_email: 'jawnnypoo@gmail.com', date: '2019-03-03' }, ]; function factory() { mock = new MockAdapter(axios); jest.spyOn(axios, 'get'); mock.onGet().reply(200, chartData); store = createStore(); wrapper = mount(Component, { propsData: { endpoint, branch, }, stubs: { GlLoadingIcon: true, GlAreaChart: true, }, store, }); } describe('Contributors charts', () => { beforeEach(() => { factory(); }); afterEach(() => { mock.restore(); wrapper.destroy(); }); it('should fetch chart data when mounted', () => { expect(axios.get).toHaveBeenCalledWith(endpoint); }); it('should display loader whiled loading data', () => { wrapper.vm.$store.state.loading = true; return wrapper.vm.$nextTick(() => { expect(wrapper.find('.contributors-loader').exists()).toBe(true); }); }); it('should render charts when loading completed and there is chart data', () => { wrapper.vm.$store.state.loading = false; wrapper.vm.$store.state.chartData = chartData; return wrapper.vm.$nextTick(() => { expect(wrapper.find('.contributors-loader').exists()).toBe(false); expect(wrapper.find('.contributors-charts').exists()).toBe(true); expect(wrapper.element).toMatchSnapshot(); }); }); });