karma.conf.js

'use strict'

const path = require('path')

module.exports = function(config) {
  config.set({
    basePath: '',

    frameworks: ['tap'],

    files: ['test.js'],

    preprocessors: {
      'test.js': 'webpack'
    },

    // config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
    logLevel: config.LOG_INFO,

    autoWatch: true,

    reporters: ['dots'],

    webpack: {
      node: {
        fs: 'empty'
      },
      isparta: {
        embedSource: true,
        noAutoWrap: true
      },
      module: {
        preLoaders: [
          {
            test: /\.js$/,
            exclude: [
              path.resolve('node_modules/')
            ],
            loader: 'babel'
          }
        ]
      },
      devtool: 'eval-source-map'
    },

    webpackMiddleware: {
      noInfo: true
    }
  })
}