text: /**
   * Module that allows client-side code to use browser globals (such as `document` or `Node`) in a
   * way that allows those globals to be replaced by mocks in browser-less tests.
   *
   * E.g. test/client/clientUtil.js can replace globals with those provided by jsdom.
   */
  
  
  var allGlobals = [];
  
  /* global window */
  var globalVars = (typeof window !== 'undefined' ? window : {});
  
  /**
   * Usage: to get access to global variables `foo` and `bar`, call:
   *    var G = require('browserGlobals').get('foo', 'bar');
   * and use G.foo and G.bar.
   *
   * This modules stores a reference to G, so that setGlobals() call can replace the values to which
   * G.foo and G.bar refer.
   */
  function get(varArgNames) {
    var obj = {
      neededNames: Array.prototype.slice.call(arguments),
      globals: {}
    };
    updateGlobals(obj);
    allGlobals.push(obj);
    return obj.globals;
  }
  exports.get = get;
  
  /**
   * Internal helper which updates properties of all globals objects created with get().
   */
  function updateGlobals(obj) {
    obj.neededNames.forEach(function(key) {
      obj.globals[key] = globalVars[key];
    });
  }
  
  /**
   * Replace globals with those from the given object. The previous mapping of global values is
   * returned, so that it can be restored later.
   */
  function setGlobals(globals) {
    var oldVars = globalVars;
    globalVars = globals;
    allGlobals.forEach(function(obj) {
      updateGlobals(obj);
    });
    return oldVars;
  }
  exports.setGlobals = setGlobals;
  