karma.conf.js

// Karma configuration

const src = './src/**/*.js'
const tests = './tests/unit/jsonapi-vuex.spec.js'
const ci = process.env.CI || process.env.TRAVIS || false

module.exports = function(config) {
  config.set({
    singleRun: ci,
    browsers: ['FirefoxHeadless'],
    customLaunchers: {
      FirefoxHeadless: {
        base: 'Firefox',
        flags: ['-headless'],
      },
    },
    frameworks: ['mocha', 'chai', 'sinon'],
    files: ['node_modules/babel-polyfill/dist/polyfill.js', tests],
    preprocessors: {
      [src]: ['webpack'],
      [tests]: ['webpack'],
    },
    webpack: require('./webpack.config'),
    reporters: ['verbose', 'coverage'],
    coverageReporter: {
      dir: 'coverage',
      reporters: [
        { type: 'text' },
        { type: 'text-summary' },
        //{ type: 'html' }
      ],
    },
  })
}