karma-test-shim.js

/* global __karma__ */
Error.stackTraceLimit = 0; // "No stacktrace"" is usually best for app testing.

// Uncomment to get full stacktrace output. Sometimes helpful, usually not.
// Error.stackTraceLimit = Infinity; //

jasmine.DEFAULT_TIMEOUT_INTERVAL = 5000;

var builtPath = '/base/build/';

__karma__.loaded = function () {
};

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

function isSpecFile(path) {
  return /\.spec\.(.*\.)?js$/.test(path);
}

function isBuiltFile(path) {
  return isJsFile(path) && (path.substr(0, builtPath.length) == builtPath);
}

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

// noinspection ES6ModulesDependencies, NodeModulesDependencies
System.config({
  baseURL: '/base',
  // Extend usual application package list with test folder
  packages: {'testing': {main: 'index.js', defaultExtension: 'js'}},

  // Assume npm: is set in `paths` in systemjs.config
  // Map the angular testing umd bundles
  map: {
    '@angular/core/testing': 'npm:@angular/core/bundles/core-testing.umd.js',
    '@angular/common/testing': 'npm:@angular/common/bundles/common-testing.umd.js',
    '@angular/compiler/testing': 'npm:@angular/compiler/bundles/compiler-testing.umd.js',
    '@angular/platform-browser/testing': 'npm:@angular/platform-browser/bundles/platform-browser-testing.umd.js',
    '@angular/platform-browser-dynamic/testing': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic-testing.umd.js',
    '@angular/http/testing': 'npm:@angular/http/bundles/http-testing.umd.js',
    '@angular/router/testing': 'npm:@angular/router/bundles/router-testing.umd.js',
    '@angular/forms/testing': 'npm:@angular/forms/bundles/forms-testing.umd.js',
  },
});

System.import('systemjs.config.js')
  .then(initTestBed)
  .then(initTesting);

function initTestBed() {
  // noinspection JSFileReferences
  return Promise.all([
    System.import('@angular/core/testing'),
    System.import('@angular/platform-browser-dynamic/testing')
  ])

    .then(function (providers) {
      var coreTesting = providers[0];
      var browserTesting = providers[1];

      coreTesting.TestBed.initTestEnvironment(
        browserTesting.BrowserDynamicTestingModule,
        browserTesting.platformBrowserDynamicTesting());
    });
}

// Import all spec files and start karma
function initTesting() {
  return Promise.all(
    allSpecFiles.map(function (moduleName) {
      return System.import(moduleName);
    })
  )
    .then(__karma__.start, __karma__.error);
}