text: /* eslint-disable prettier/prettier */
  
  import karmaChromeLauncher from 'karma-chrome-launcher';
  import karmaMocha from 'karma-mocha';
  import karmaChai from 'karma-chai';
  
  import Scenario from '../../utils/scenario';
  
  const fs = require('fs');
  const os = require('os');
  
  process.env.CHROME_BIN = require('puppeteer').executablePath();
  
  const path = require('path');
  
  const karmaWebpack = require('../../../../lib/index');
  
  // The karma server integration tests take longer than the jest 5 sec default,
  // we will give them 30 seconds to complete.
  const KARMA_SERVER_TIMEOUT = 30 * 1000;
  const KARMA_CUSTOM_PATH = path.join(os.tmpdir(), 'karma_webpack__custom_file_path');
  
  describe('A basic karma-webpack setup', () => {
    let scenario;
  
    const TEST_PATH = path.resolve(__dirname, './index.scenario.js');
  
    const config = {
      frameworks: ['mocha', 'chai', 'webpack'],
      files: [{ pattern: TEST_PATH }],
      preprocessors: { [TEST_PATH]: ['webpack'] },
      webpack: {
        devtool: false,
        output: {
          path: KARMA_CUSTOM_PATH,
          filename: 'hi_[id].js',
        }
      },
      browsers: ['ChromeHeadless'],
      // Explicitly turn off reporters so the simulated test results are not confused with the actual results.
      reporters: [],
      plugins: [karmaWebpack, karmaChromeLauncher, karmaMocha, karmaChai],
      port: 2389,
      logLevel: 'ERROR',
      singleRun: true
    };
  
    beforeAll((done) => {
      jest.spyOn(console, 'warn').mockImplementation()
      jest.spyOn(console, 'log').mockImplementation()
      Scenario.run(config)
        .then((res) => {
          scenario = res;
        })
        .catch((err) => console.error('Integration Scenario Failed: ', err))
        .finally(() => done());
    }, KARMA_SERVER_TIMEOUT);
  
    it('should have an exit code of 1 because it contains a failing test', () => {
      expect(scenario.exitCode).toBe(1);
    })
  
    it('should have three successful test runs', () => {
      expect(scenario.success).toBe(3);
    });
  
    it('should have one failed test run', () => {
      expect(scenario.failed).toBe(1);
    });
  
    it('should complete with no errors', () => {
      expect(scenario.error).toBe(false);
    });
  
    it('should create the custom karma_webpack__custom_file_path directory', () => {
      expect(fs.existsSync(KARMA_CUSTOM_PATH)).toBe(true);
    })
  
    it('should contain the generated commons file', () => {
      expect(fs.existsSync(`${KARMA_CUSTOM_PATH}/commons.js`)).toBe(true)
    })
  
    it('should contain the generated runtime file', () => {
      expect(fs.existsSync(`${KARMA_CUSTOM_PATH}/runtime.js`)).toBe(true)
    })
  
  });
  