karma.conf.js

// Karma configuration file, see link for more information
// https://karma-runner.github.io/0.13/config/configuration-file.html
const {customLaunchers, platformMap} = require('./browser-providers');

module.exports = function (config) {
  config.set({
    basePath: '',
    frameworks: ['jasmine', '@angular-devkit/build-angular'],
    plugins: [
      require('karma-jasmine'),
      require('karma-chrome-launcher'),
      require('karma-jasmine-html-reporter'),
      require('karma-coverage-istanbul-reporter'),
      require('@angular-devkit/build-angular/plugins/karma'),
      require('karma-browserstack-launcher'),
      require('karma-sauce-launcher'),
    ],
    client: {
      clearContext: false // leave Jasmine Spec Runner output visible in browser
    },
    coverageIstanbulReporter: {
      dir: require('path').join(__dirname, 'coverage'),
      reports: ['html', 'lcovonly'],
      fixWebpackSourcePaths: true
    },
    reporters: ['progress', 'kjhtml'],
    port: 9876,
    colors: true,
    logLevel: config.LOG_INFO,
    autoWatch: true,
    browsers: ['Chrome'],
    singleRun: false,
    customLaunchers: customLaunchers,

    sauceLabs: {
      testName: 'material.angular.io',
      startConnect: false,
      recordVideo: false,
      recordScreenshots: false,
      options: {
        'selenium-version': '2.48.2',
        'command-timeout': 600,
        'idle-timeout': 600,
        'max-duration': 5400
      }
    },

    browserStack: {
      project: 'material.angular.io',
      startTunnel: false,
      retryLimit: 1,
      timeout: 600,
      pollingTimeout: 20000
    },
  });

  if (process.env['TRAVIS']) {

    let buildId = `TRAVIS #${process.env.TRAVIS_BUILD_NUMBER} (${process.env.TRAVIS_BUILD_ID})`;
    let platformType = process.env.MODE;

    if (platformType === 'saucelabs') {

      config.sauceLabs.build = buildId;
      config.sauceLabs.tunnelIdentifier = process.env.TRAVIS_JOB_NUMBER;

    } else if (platformType === 'browserstack') {

      config.browserStack.build = buildId;
      config.browserStack.tunnelIdentifier = process.env.TRAVIS_JOB_NUMBER;

    } else {
      throw new Error(`Platform "${platform}" unknown, but Travis specified. Exiting.`);
    }

    config.browsers = platformMap[platformType];
  }
};