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import { createLocalVue, shallowMount } from '@vue/test-utils';
import { GlLineChart } from '@gitlab/ui/dist/charts';
import { GlAlert } from '@gitlab/ui';
import VueApollo from 'vue-apollo';
import createMockApollo from 'helpers/mock_apollo_helper';
import { useFakeDate } from 'helpers/fake_date';
import ProjectsAndGroupChart from '~/analytics/instance_statistics/components/projects_and_groups_chart.vue';
import ChartSkeletonLoader from '~/vue_shared/components/resizable_chart/skeleton_loader.vue';
import projectsQuery from '~/analytics/instance_statistics/graphql/queries/projects.query.graphql';
import groupsQuery from '~/analytics/instance_statistics/graphql/queries/groups.query.graphql';
import { mockCountsData2, roundedSortedCountsMonthlyChartData2 } from '../mock_data';
import { mockQueryResponse } from '../apollo_mock_data';
const localVue = createLocalVue();
localVue.use(VueApollo);
describe('ProjectsAndGroupChart', () => {
let wrapper;
let queryResponses = { projects: null, groups: null };
const mockAdditionalData = [{ recordedAt: '2020-07-21', count: 5 }];
const createComponent = ({
loadingError = false,
projects = [],
groups = [],
projectsLoading = false,
groupsLoading = false,
projectsAdditionalData = [],
groupsAdditionalData = [],
} = {}) => {
queryResponses = {
projects: mockQueryResponse({
key: 'projects',
data: projects,
loading: projectsLoading,
additionalData: projectsAdditionalData,
}),
groups: mockQueryResponse({
key: 'groups',
data: groups,
loading: groupsLoading,
additionalData: groupsAdditionalData,
}),
};
return shallowMount(ProjectsAndGroupChart, {
props: {
startDate: useFakeDate(2020, 9, 26),
endDate: useFakeDate(2020, 10, 1),
totalDataPoints: mockCountsData2.length,
},
localVue,
apolloProvider: createMockApollo([
[projectsQuery, queryResponses.projects],
[groupsQuery, queryResponses.groups],
]),
data() {
return { loadingError };
},
});
};
afterEach(() => {
wrapper.destroy();
wrapper = null;
queryResponses = {
projects: null,
groups: null,
};
});
const findLoader = () => wrapper.find(ChartSkeletonLoader);
const findAlert = () => wrapper.find(GlAlert);
const findChart = () => wrapper.find(GlLineChart);
describe('while loading', () => {
beforeEach(() => {
wrapper = createComponent({ projectsLoading: true, groupsLoading: true });
});
it('displays the skeleton loader', () => {
expect(findLoader().exists()).toBe(true);
});
it('hides the chart', () => {
expect(findChart().exists()).toBe(false);
});
});
describe('while loading 1 data set', () => {
beforeEach(async () => {
wrapper = createComponent({
projects: mockCountsData2,
groupsLoading: true,
});
await wrapper.vm.$nextTick();
});
it('hides the skeleton loader', () => {
expect(findLoader().exists()).toBe(false);
});
it('renders the chart', () => {
expect(findChart().exists()).toBe(true);
});
});
describe('without data', () => {
beforeEach(async () => {
wrapper = createComponent({ projects: [] });
await wrapper.vm.$nextTick();
});
it('renders a no data message', () => {
expect(findAlert().text()).toBe('No data available.');
});
it('hides the skeleton loader', () => {
expect(findLoader().exists()).toBe(false);
});
it('does not render the chart', () => {
expect(findChart().exists()).toBe(false);
});
});
describe('with data', () => {
beforeEach(async () => {
wrapper = createComponent({ projects: mockCountsData2 });
await wrapper.vm.$nextTick();
});
it('hides the skeleton loader', () => {
expect(findLoader().exists()).toBe(false);
});
it('renders the chart', () => {
expect(findChart().exists()).toBe(true);
});
it('passes the data to the line chart', () => {
expect(findChart().props('data')).toEqual([
{ data: roundedSortedCountsMonthlyChartData2, name: 'Total projects' },
{ data: [], name: 'Total groups' },
]);
});
});
describe('with errors', () => {
beforeEach(async () => {
wrapper = createComponent({ loadingError: true });
await wrapper.vm.$nextTick();
});
it('renders an error message', () => {
expect(findAlert().text()).toBe('No data available.');
});
it('hides the skeleton loader', () => {
expect(findLoader().exists()).toBe(false);
});
it('hides the chart', () => {
expect(findChart().exists()).toBe(false);
});
});
describe.each`
metric | loadingState | newData
${'projects'} | ${{ projectsAdditionalData: mockAdditionalData }} | ${{ projects: mockCountsData2 }}
${'groups'} | ${{ groupsAdditionalData: mockAdditionalData }} | ${{ groups: mockCountsData2 }}
`('$metric - fetchMore', ({ metric, loadingState, newData }) => {
describe('when the fetchMore query returns data', () => {
beforeEach(async () => {
wrapper = createComponent({
...loadingState,
...newData,
});
jest.spyOn(wrapper.vm.$apollo.queries[metric], 'fetchMore');
await wrapper.vm.$nextTick();
});
it('requests data twice', () => {
expect(queryResponses[metric]).toBeCalledTimes(2);
});
it('calls fetchMore', () => {
expect(wrapper.vm.$apollo.queries[metric].fetchMore).toHaveBeenCalledTimes(1);
});
});
describe('when the fetchMore query throws an error', () => {
beforeEach(() => {
wrapper = createComponent({
...loadingState,
...newData,
});
jest
.spyOn(wrapper.vm.$apollo.queries[metric], 'fetchMore')
.mockImplementation(jest.fn().mockRejectedValue());
return wrapper.vm.$nextTick();
});
it('calls fetchMore', () => {
expect(wrapper.vm.$apollo.queries[metric].fetchMore).toHaveBeenCalledTimes(1);
});
it('renders an error message', () => {
expect(findAlert().text()).toBe('No data available.');
});
});
});
});
|
