karma.conf.js

// Karma configuration
// Generated on Tue Jul 28 2015 16:29:51 GMT+0200 (CEST)
var webpack = require("webpack");

var CONTINUOUS_INTEGRATION = process.env.CONTINUOUS_INTEGRATION === "true";

module.exports = function(config) {
  config.set({
    frameworks: ["mocha", "sinon", "chai"],

    browsers: [CONTINUOUS_INTEGRATION ? "Firefox" : "Chrome"],

    singleRun: CONTINUOUS_INTEGRATION,

    files: [
      "test/index.js"
    ],

    preprocessors: {
      "test/index.js": ["webpack", "sourcemap"]
    },

    reporters: ["dots"],

    webpack: {
      devtool: "inline-source-map",
      module: {
        loaders: [
          {
            test: /\.jsx?$/,
            exclude: /(node_modules|bower_components)/,
            loader: "babel"
          }
        ]
      },
      plugins: [
        new webpack.DefinePlugin({
          "process.env.NODE_ENV": JSON.stringify("test")
        })
      ]
    },

    webpackServer: {
      noInfo: true
    }
  });
};