karma.conf.js

const path = require('path');
const webpack = require('webpack');
const WATCH = process.argv.indexOf('--watch') > -1;
const LoaderOptionsPlugin = require("webpack/lib/LoaderOptionsPlugin");
const StringReplacePlugin = require('string-replace-webpack-plugin');
const TOKENS = {
  VERSION: require('./package.json').version.replace(/['"]+/g, '')
};

module.exports = function (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: [
      'test/entry.ts'
    ],

    // list of files to exclude
    exclude: [],

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

    webpack: {
      resolve: {
        extensions: ['.ts', '.js'],
        alias: {
          sinon: 'sinon/pkg/sinon'
        }
      },
      module: {
        rules: [
          {
            test: /\.ts$/, enforce: 'pre', loader: 'tslint-loader', exclude: /(test|node_modules)/
          },
          {
            test: /\.ts$/,
            loaders: ['awesome-typescript-loader', 'angular2-template-loader?keepUrl=true'],
            exclude: /node_modules/
          },
          {
            test: /stormpath.config.ts$/,
            loader: StringReplacePlugin.replace({
              replacements: [{
                pattern: /\${(.*)}/g,
                replacement: function (match, p1, offset, string) {
                  return TOKENS[p1];
                }
              }]
            })
          },
          {
            test: /\.(html|css)$/,
            loader: 'raw-loader',
            exclude: /\.async\.(html|css)$/
          },
          {
            test: /\.async\.(html|css)$/,
            loaders: ['file?name=[name].[hash].[ext]', 'extract']
          },
          {
            test: /sinon.js$/, loader: 'imports-loader?define=>false,require=>false'
          },
          {
            test: /src\/.+\.ts$/,
            enforce: 'post',
            exclude: /(test|node_modules)/,
            loader: 'sourcemap-istanbul-instrumenter-loader?force-sourcemap=true'
          }]
      },
      devtool: 'inline-source-map',
      plugins: [
        new webpack.ContextReplacementPlugin(
          // The (\\|\/) piece accounts for path separators in *nix and Windows
          /angular(\\|\/)core(\\|\/)(esm(\\|\/)src|src)(\\|\/)linker/,
          root('./src') // location of your src
        ),
        // the LoaderOptionsPlugin is necessary to configure tslint, but causes issues with StringReplacePlugin
        // https://github.com/wbuchwalter/tslint-loader/issues/38
        /*new LoaderOptionsPlugin({
          options: {
            tslint: {
              emitErrors: !WATCH,
              failOnHint: false
            }
          }
        }),*/
        new StringReplacePlugin()
      ]
    },

    remapIstanbulReporter: {
      reports: { // eslint-disable-line
        'html': 'coverage/html',
        'text-summary': null
      }
    },

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

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

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

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

function root(__path) {
  return path.join(__dirname, __path);
}