test-main.js

if (!Object.hasOwnProperty('name')) {
  Object.defineProperty(Function.prototype, 'name', {
    get: function() {
      var matches = this.toString().match(/^\s*function\s*(\S*)\s*\(/);
      var name = matches && matches.length > 1 ? matches[1] : "";
      Object.defineProperty(this, 'name', {value: name});
      return name;
    }
  });
}

// Turn on full stack traces in errors to help debugging
Error.stackTraceLimit = Infinity;

jasmine.DEFAULT_TIMEOUT_INTERVAL = 1000;

// Cancel Karma's synchronous start,
// we will call `__karma__.start()` later, once all the specs are loaded.
__karma__.loaded = function() {};

System.config({
  baseURL: '/base/',
  defaultJSExtensions: true,
  paths: {
    'angular2/*': 'node_modules/angular2/*.js',
    'rxjs/*': 'node_modules/rxjs/*.js'
  }
});

Promise.all([
  System.import('angular2/src/platform/browser/browser_adapter'),
  System.import('angular2/platform/testing/browser'),
  System.import('angular2/testing')
]).then(function (modules) {
  var browser_adapter = modules[0];
  var providers = modules[1];
  var testing = modules[2];
  testing.setBaseTestProviders(providers.TEST_BROWSER_PLATFORM_PROVIDERS,
                       providers.TEST_BROWSER_APPLICATION_PROVIDERS);

  browser_adapter.BrowserDomAdapter.makeCurrent();
}).then(function() {
  return Promise.all(
    Object.keys(window.__karma__.files) // All files served by Karma.
    .filter(onlySpecFiles)
    .map(file2moduleName)
    .map(function(path) {
      return System.import(path).then(function(module) {
        if (module.hasOwnProperty('main')) {
          module.main();
        } else {
          throw new Error('Module ' + path + ' does not implement main() method.');
        }
      });
    }));
})
.then(function() {
  __karma__.start();
}, function(error) {
  console.error(error.stack || error);
  __karma__.start();
});

function onlySpecFiles(path) {
  // check for individual files, if not given, always matches to all
  var patternMatched = __karma__.config.files ?
    path.match(new RegExp(__karma__.config.files)) : true;

  return patternMatched && /[\.|_]spec\.js$/.test(path);
}

// Normalize paths to module names.
function file2moduleName(filePath) {
  return filePath.replace(/\\/g, '/')
    .replace(/^\/base\//, '')
    .replace(/\.js/, '');
}