karma.conf.js

const webpack = require('webpack')
const sauceLaunchers = require('./sauceLaunchers.config')

let browsers
if (process.env.TRAVIS) {
  // Travis only comes with Firefox
  browsers = ['Firefox']
} else if (process.env.SAUCE) {
  if (!process.env.SAUCE_USERNAME || !process.env.SAUCE_ACCESS_KEY) {
    console.error(
      'SAUCE_USERNAME and SAUCE_ACCESS_KEY environment variables must be set!'
    )
    process.exit(1)
  }
  browsers = Object.keys(sauceLaunchers)
} else {
  browsers = ['Chrome']
}

module.exports = function (config) {
  const ci = process.env.CI
  const sauce = process.env.SAUCE

  config.set({
    singleRun: true,
    frameworks: ['jasmine'],
    files: ['stylesheets/minimal.css', 'test/acceptance/tests.js'],
    preprocessors: {
      'test/acceptance/tests.js': ['webpack', 'sourcemap'],
    },
    reporters: ['dots', 'saucelabs'],
    webpack: {
      module: {
        loaders: [
          {
            test: /\.js$/,
            loaders: ['babel-loader'],
            exclude: /node_modules/,
          },
        ],
      },
      plugins: [
        new webpack.DefinePlugin({
          'process.env': {
            NODE_ENV: JSON.stringify(process.env.NODE_ENV),
            WATCH: process.env.WATCH,
          },
        }),
      ],
      devtool: 'inline-source-map',
    },
    webpackMiddleware: {
      stats: 'errors-only',
    },
    sauceLabs: {
      testName: ci ? 'Rollex acceptance tests (CI)' : 'Rollex acceptance tests',
    },
    browsers,
    concurrency: ci || sauce ? 2 : Infinity,
    captureTimeout: 300000,
    browserNoActivityTimeout: 300000,
    customLaunchers: sauceLaunchers,
  })
}