prometheus/web/ui/react-app/src/pages/Status.test.tsx

import * as React from 'react';
import { shallow } from 'enzyme';
import toJson from 'enzyme-to-json';
import { StatusContent } from './Status';

describe('Status', () => {
  it('should not fail with undefined data', () => {
    const wrapper = shallow(<StatusContent data={[]} />);
    expect(wrapper).toHaveLength(1);
  });
  describe('Snapshot testing', () => {
    const response: any = [
      {
        startTime: '2019-10-30T22:03:23.247913868+02:00',
        CWD: '/home/boyskila/Desktop/prometheus',
        reloadConfigSuccess: true,
        lastConfigTime: '2019-10-30T22:03:23+02:00',
        chunkCount: 1383,
        timeSeriesCount: 461,
        corruptionCount: 0,
        goroutineCount: 37,
        GOMAXPROCS: 4,
        GOGC: '',
        GODEBUG: '',
        storageRetention: '15d',
      },
      {
        version: '',
        revision: '',
        branch: '',
        buildUser: '',
        buildDate: '',
        goVersion: 'go1.13.3',
      },
      {
        activeAlertmanagers: [
          { url: 'https://1.2.3.4:9093/api/v1/alerts' },
          { url: 'https://1.2.3.5:9093/api/v1/alerts' },
          { url: 'https://1.2.3.6:9093/api/v1/alerts' },
          { url: 'https://1.2.3.7:9093/api/v1/alerts' },
          { url: 'https://1.2.3.8:9093/api/v1/alerts' },
          { url: 'https://1.2.3.9:9093/api/v1/alerts' },
        ],
        droppedAlertmanagers: [],
      },
    ];
    it('should match table snapshot', () => {
      const wrapper = shallow(<StatusContent data={response} />);
      expect(toJson(wrapper)).toMatchSnapshot();
      jest.restoreAllMocks();
    });
  });
});