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import { GlDeprecatedSkeletonLoading as GlSkeletonLoading } from '@gitlab/ui';
import { GlSingleStat } from '@gitlab/ui/dist/charts';
import { shallowMount } from '@vue/test-utils';
import waitForPromises from 'helpers/wait_for_promises';
import { METRIC_TYPE_SUMMARY } from '~/api/analytics_api';
import ValueStreamMetrics from '~/cycle_analytics/components/value_stream_metrics.vue';
import createFlash from '~/flash';
import { group, metricsData } from './mock_data';
jest.mock('~/flash');
describe('ValueStreamMetrics', () => {
let wrapper;
let mockGetValueStreamSummaryMetrics;
const { full_path: requestPath } = group;
const fakeReqName = 'Mock metrics';
const metricsRequestFactory = () => ({
request: mockGetValueStreamSummaryMetrics,
endpoint: METRIC_TYPE_SUMMARY,
name: fakeReqName,
});
const createComponent = ({ requestParams = {} } = {}) => {
return shallowMount(ValueStreamMetrics, {
propsData: {
requestPath,
requestParams,
requests: [metricsRequestFactory()],
},
});
};
const findMetrics = () => wrapper.findAllComponents(GlSingleStat);
const expectToHaveRequest = (fields) => {
expect(mockGetValueStreamSummaryMetrics).toHaveBeenCalledWith({
endpoint: METRIC_TYPE_SUMMARY,
requestPath,
...fields,
});
};
afterEach(() => {
wrapper.destroy();
wrapper = null;
});
describe('with successful requests', () => {
beforeEach(() => {
mockGetValueStreamSummaryMetrics = jest.fn().mockResolvedValue({ data: metricsData });
wrapper = createComponent();
});
it('will display a loader with pending requests', async () => {
await wrapper.vm.$nextTick();
expect(wrapper.find(GlSkeletonLoading).exists()).toBe(true);
});
describe('with data loaded', () => {
beforeEach(async () => {
await waitForPromises();
});
it('fetches data from the value stream analytics endpoint', () => {
expectToHaveRequest({ params: {} });
});
it.each`
index | value | title | unit
${0} | ${metricsData[0].value} | ${metricsData[0].title} | ${metricsData[0].unit}
${1} | ${metricsData[1].value} | ${metricsData[1].title} | ${metricsData[1].unit}
${2} | ${metricsData[2].value} | ${metricsData[2].title} | ${metricsData[2].unit}
${3} | ${metricsData[3].value} | ${metricsData[3].title} | ${metricsData[3].unit}
`(
'renders a single stat component for the $title with value and unit',
({ index, value, title, unit }) => {
const metric = findMetrics().at(index);
expect(metric.props()).toMatchObject({ value, title, unit: unit ?? '' });
},
);
it('will not display a loading icon', () => {
expect(wrapper.find(GlSkeletonLoading).exists()).toBe(false);
});
describe('with additional params', () => {
beforeEach(async () => {
wrapper = createComponent({
requestParams: {
'project_ids[]': [1],
created_after: '2020-01-01',
created_before: '2020-02-01',
},
});
await waitForPromises();
});
it('fetches data for the `getValueStreamSummaryMetrics` request', () => {
expectToHaveRequest({
params: {
'project_ids[]': [1],
created_after: '2020-01-01',
created_before: '2020-02-01',
},
});
});
});
});
});
describe('with a request failing', () => {
beforeEach(async () => {
mockGetValueStreamSummaryMetrics = jest.fn().mockRejectedValue();
wrapper = createComponent();
await waitForPromises();
});
it('it should render an error message', () => {
expect(createFlash).toHaveBeenCalledWith({
message: `There was an error while fetching value stream analytics ${fakeReqName} data.`,
});
});
});
});
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