karma.conf.js

var webpackConfig = require('./webpack.config');
delete webpackConfig.entry;

// Add code coverage loader
webpackConfig.vue = {
  loaders: {
    js: 'isparta'
  }
}

// remove eslint
delete webpackConfig.module.preLoaders;

// Karma configuration
module.exports = function(config) {
  config.set({
    // frameworks to use
    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
    frameworks: ['mocha', 'chai'],
    // list of files / patterns to load in the browser
    files: [
      './test/unit/index.js'
    ],
    // preprocess matching files before serving them to the browser
    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
    preprocessors: {
      './test/unit/index.js': 'webpack'
    },
    // start these browsers
    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
    browsers: ['PhantomJS'],
    // test results reporter to use
    // possible values: 'dots', 'progress'
    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
    reporters: ['spec', 'coverage'],
    coverageReporter: {
      dir: './test/unit/coverage',
      reporters: [
        { type: 'lcov', subdir: '.' },
        { type: 'text-summary' }
      ]
    },
    webpack: webpackConfig,
    webpackMiddleware: {
      noInfo: true
    }
  });
}