karma.conf.js

const puppeteer = require('puppeteer');

const webpackConfig = require('./webpack.test');

process.env.CHROME_BIN = puppeteer.executablePath();

module.exports = function (karma) {
  karma.set({
    files: [
      {
        pattern: 'tests.webpack.js',
        watched: true,
      },
    ],
    autoWatch: true,
    logLevel: karma.LOG_INFO,
    basePath: '',
    singleRun: false,
    frameworks: ['jasmine', 'webpack'],
    preprocessors: {
      'tests.webpack.js': 'webpack',
    },
    browsers: ['ChromeHeadless'],
    colors: true,
    browserNoActivityTimeout: 100000,
    webpackMiddleware: {
      noInfo: true,
    },
    webpack: webpackConfig,
    reporters: ['spec', 'coverage'],
    coverageReporter: {
      type: 'lcov',
      dir: 'coverage/',
      subdir: '.',
      includeAllSources: true,
    },
    specReporter: {
      suppressSkipped: true,
    },
  });
};