karma.sauce.conf.js

const base = require('./karma.base.conf')
const pack = require('../package.json')

/**
 * Having too many tests running concurrently on saucelabs
 * causes timeouts and errors, so we have to run them in
 * smaller batches.
 */

const batches = [
  // the coolkids
  {
    sl_chrome: {
      base: 'SauceLabs',
      browserName: 'chrome',
      platform: 'Windows 7'
    },
    sl_firefox: {
      base: 'SauceLabs',
      browserName: 'firefox'
    },
    sl_mac_safari: {
      base: 'SauceLabs',
      browserName: 'safari',
      platform: 'OS X 10.10'
    }
  },
  // ie family
  {
    sl_ie_9: {
      base: 'SauceLabs',
      browserName: 'internet explorer',
      platform: 'Windows 7',
      version: '9'
    },
    sl_ie_10: {
      base: 'SauceLabs',
      browserName: 'internet explorer',
      platform: 'Windows 8',
      version: '10'
    },
    sl_ie_11: {
      base: 'SauceLabs',
      browserName: 'internet explorer',
      platform: 'Windows 8.1',
      version: '11'
    },
    sl_edge: {
      base: 'SauceLabs',
      platform: 'Windows 10',
      browserName: 'MicrosoftEdge'
    }
  },
  // mobile
  {
    sl_ios_safari_8: {
      base: 'SauceLabs',
      browserName: 'iphone',
      version: '8.4'
    },
    sl_ios_safari_9: {
      base: 'SauceLabs',
      browserName: 'iphone',
      version: '9.3'
    },
    sl_android_4_2: {
      base: 'SauceLabs',
      browserName: 'android',
      version: '4.2'
    },
    sl_android_5_1: {
      base: 'SauceLabs',
      browserName: 'android',
      version: '5.1'
    }
  }
]

module.exports = config => {
  const batch = batches[process.argv[5] || 0]

  config.set(Object.assign(base, {
    singleRun: true,
    browsers: Object.keys(batch),
    customLaunchers: batch,
    reporters: process.env.CI
      ? ['dots', 'saucelabs'] // avoid spamming CI output
      : ['progress', 'saucelabs'],
    sauceLabs: {
      testName: `${pack.name} unit tests`,
      recordScreenshots: false,
      build: process.env.CIRCLE_BUILD_NUM || process.env.SAUCE_BUILD_ID || Date.now()
    },
    captureTimeout: 300000,
    browserNoActivityTimeout: 300000
  }))
}