karma.conf.js

// This file based on: https://git.io/vHNuc (marcules/karma-remap-istanbul).
var webpack = require('webpack');
var rules = require('./webpack/rules');
var baseConfig = require('./webpack/base.config');


var webpackConfig = {
  module: {
    rules: [
      rules.awesomeTypeScriptLoader,
      rules.istanbulInstrumenterLoader
    ]
  },
  plugins: [
    new webpack.SourceMapDevToolPlugin({
      filename: null,
      test: /\.(tsx|js)($|\?)/i
    })
  ],
  resolve: baseConfig.resolve
};


module.exports = (config) => {
  config.set({

    // base path that will be used to resolve all patterns (eg. files, exclude)
    basePath: './',

    // frameworks to use
    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
    frameworks: ['jasmine'],

    // list of files / patterns to load in the browser
    files: [
      'karma.entry.tsx'
    ],

    // preprocess matching files before serving them to the browser available
    // preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
    preprocessors: {
      'karma.entry.tsx': ['webpack', 'sourcemap']
    },

    webpack: webpackConfig,

    remapIstanbulReporter: {
      reports: {
        lcovonly: 'coverage/lcov.info',
        html: 'coverage/html',
        'text-summary': null
      }
    },

    phantomjsLauncher: {
      // Have phantomjs exit if a ResourceError is encountered (useful
      // if karma exits without killing phantom)
      exitOnResourceError: true
    },

    // test results reporter to use
    // possible values: 'dots', 'progress'
    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
    reporters: ['dots', 'karma-remap-istanbul'],

    // web server port
    port: 9876,

    // enable / disable colors in the output (reporters and logs)
    colors: true,

    // level of logging
    // possible values: config.LOG_DISABLE || config.LOG_ERROR
    // || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
    logLevel: config.LOG_WARN,

    // enable / disable watching file
    // and executing tests whenever any file changes
    autoWatch: false,

    // start these browsers
    // available browser launchers:
    // https://npmjs.org/browse/keyword/karma-launcher
    browsers: ['PhantomJS2'],
    // browsers: ['Chrome'],

    // Continuous Integration mode
    // if true, Karma captures browsers, runs the tests and exits
    singleRun: true
  });
};