angular-docs-cn/modules/@angular/router/karma-test-shim.js

/*global jasmine, __karma__, window*/
Error.stackTraceLimit = 5;
jasmine.DEFAULT_TIMEOUT_INTERVAL = 10000;

__karma__.loaded = function () {
};

function isJsFile(path) {
  return path.slice(-3) == '.js';
}

function isSpecFile(path) {
  return path.slice(-7) == 'spec.js';
}

function isBuiltFile(path) {
  var builtPath = '/base/dist/';
  return isJsFile(path) && (path.substr(0, builtPath.length) == builtPath);
}

var allSpecFiles = Object.keys(window.__karma__.files)
  .filter(isSpecFile)
  .filter(isBuiltFile);

// Load our SystemJS configuration.
System.config({
  baseURL: '/base'
});

System.config(
  {
    map: {
      'rxjs': 'node_modules/rxjs',
      '@angular': 'dist/all/@angular'
    },
    packages: {
      '@angular/core': {
        main: 'index.js',
        defaultExtension: 'js'
      },
      '@angular/compiler': {
        main: 'index.js',
        defaultExtension: 'js'
      },
      '@angular/common': {
        main: 'index.js',
        defaultExtension: 'js'
      },
      '@angular/platform-browser': {
        main: 'index.js',
        defaultExtension: 'js'
      },
      '@angular/platform-browser-dynamic': {
        main: 'index.js',
        defaultExtension: 'js'
      },
      '@angular/router': {
        main: 'index.js',
        defaultExtension: 'js'
      },
      'rxjs': {
        main: 'Rx.js',
        defaultExtension: 'js'
      }
    }
  });

Promise.all([
  System.import('@angular/core/testing'),
  System.import('@angular/platform-browser-dynamic/testing')
]).then(function (providers) {
  var testing = providers[0];
  var testingBrowser = providers[1];

  testing.TestBed.initTestEnvironment(
    testingBrowser.BrowserDynamicTestingModule,
    testingBrowser.platformBrowserDynamicTesting());

}).then(function() {
  // Finally, load all spec files.
  // This will run the tests directly.
  return Promise.all(
    allSpecFiles.map(function (moduleName) {
      return System.import(moduleName);
    }));
}).then(__karma__.start, __karma__.error);