karma-test-shim.js

window.global = window;
Error.stackTraceLimit = Infinity;
jasmine.DEFAULT_TIMEOUT_INTERVAL = 1000;

__karma__.loaded = function () {
};


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

function isSpecFile(path) {
  return path.slice(-8) == '_spec.js';
}

function isBuiltFile(path) {
  var builtPath = '/base/build/';
  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(
  {
    defaultJSExtensions: true,
    paths: {
      // paths serve as alias
      'npm:': 'node_modules/'
    },
    map: {
      // angular bundles
      '@angular/core': 'npm:@angular/core/bundles/core.umd.js',
      '@angular/common': 'npm:@angular/common/bundles/common.umd.js',
      '@angular/compiler': 'npm:@angular/compiler/bundles/compiler.umd.js',
      '@angular/platform-browser': 'npm:@angular/platform-browser/bundles/platform-browser.umd.js',
      '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js',

      // angular testing umd bundles
      '@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',

      // other
      'rxjs': 'npm:rxjs'
    },
    packages: {
      'rxjs': {
        defaultExtension: 'js'
      }
    }
  });

System.import('@angular/core/testing')
  .then(function(coreTesting){
    return System.import('@angular/platform-browser-dynamic/testing')
      .then(function(browserTesting) {
        coreTesting.TestBed.initTestEnvironment(
          browserTesting.BrowserDynamicTestingModule,
          browserTesting.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);