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');
const path = require('path');

module.exports = function (config) {
  config.set({
    basePath: '',
    frameworks: ['jasmine', '@angular/cli'],
    plugins: [
      require('karma-jasmine'),
      require('karma-chrome-launcher'),
      require('karma-remap-istanbul'),
      require('@angular/cli/plugins/karma'),
      require('karma-browserstack-launcher'),
      require('karma-sauce-launcher'),
    ],
    files: [
      {pattern: './src/test.ts', watched: false},
      {pattern: 'node_modules/hammerjs/hammer.js', included: true, watched: false},
    ],
    preprocessors: {
      './src/test.ts': ['@angular/cli']
    },
    mime: {
      'text/x-typescript': ['ts','tsx']
    },
    remapIstanbulReporter: {
      reports: {
        html: 'coverage',
        lcovonly: './coverage/coverage.lcov'
      }
    },
    angularCli: {
      config: './angular-cli.json',
      environment: 'dev'
    },
    reporters: config.angularCli && config.angularCli.codeCoverage
              ? ['dots', 'karma-remap-istanbul']
              : ['dots'],
    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];
  }
};