githubmirror/angular.js

src/ngScenario/Application.js
142 строки4 KB
Michał Gołębiowski
chore(eslint): enable `quotes: ["error", "single"]`
10 авг 2016, 22:52
10 авг 2016, 22:529360aa2
'use strict';

/**
 * Represents the application currently being tested and abstracts usage
 * of iframes or separate windows.
 *
 * @param {Object} context jQuery wrapper around HTML context.
 */
angular.scenario.Application = function(context) {
  this.context = context;
  context.append(
    '<h2>Current URL: <a href="about:blank">None</a></h2>' +
    '<div id="test-frames"></div>'
  );
};

/**
 * Gets the jQuery collection of frames. Don't use this directly because
 * frames may go stale.
 *
 * @private
 * @return {Object} jQuery collection
 */
angular.scenario.Application.prototype.getFrame_ = function() {
  return this.context.find('#test-frames iframe:last');
};

/**
 * Gets the window of the test runner frame. Always favor executeAction()
 * instead of this method since it prevents you from getting a stale window.
 *
 * @private
 * @return {Object} the window of the frame
 */
angular.scenario.Application.prototype.getWindow_ = function() {
  var contentWindow = this.getFrame_().prop('contentWindow');
  if (!contentWindow) {
    throw new Error('Frame window is not accessible.');
  }
  return contentWindow;
};

/**
 * Changes the location of the frame.
 *
 * @param {string} url The URL. If it begins with a # then only the
 *   hash of the page is changed.
 * @param {function()} loadFn function($window, $document) Called when frame loads.
 * @param {function()} errorFn function(error) Called if any error when loading.
 */
angular.scenario.Application.prototype.navigateTo = function(url, loadFn, errorFn) {
  var self = this;
  var frame = self.getFrame_();
  //TODO(esprehn): Refactor to use rethrow()
  errorFn = errorFn || function(e) { throw e; };
  if (url === 'about:blank') {
    errorFn('Sandbox Error: Navigating to about:blank is not allowed.');
  } else if (url.charAt(0) === '#') {
    url = frame.attr('src').split('#')[0] + url;
    frame.attr('src', url);
    self.executeAction(loadFn);
  } else {
    frame.remove();
    self.context.find('#test-frames').append('<iframe>');
    frame = self.getFrame_();

    frame.on('load', function() {
      frame.off();
      try {
        var $window = self.getWindow_();

        if (!$window.angular) {
          self.executeAction(loadFn);
          return;
        }

        if (!$window.angular.resumeBootstrap) {
          $window.angular.resumeDeferredBootstrap = resumeDeferredBootstrap;
        } else {
          resumeDeferredBootstrap();
        }

      } catch (e) {
        errorFn(e);
      }

      function resumeDeferredBootstrap() {
        // Disable animations
        var $injector = $window.angular.resumeBootstrap([['$provide', function($provide) {
          return ['$animate', function($animate) {
            $animate.enabled(false);
          }];
        }]]);
        self.rootElement = $injector.get('$rootElement')[0];
        self.executeAction(loadFn);
      }
    }).attr('src', url);

    // for IE compatibility set the name *after* setting the frame url
    frame[0].contentWindow.name = 'NG_DEFER_BOOTSTRAP!';
  }
  self.context.find('> h2 a').attr('href', url).text(url);
};

/**
 * Executes a function in the context of the tested application. Will wait
 * for all pending angular xhr requests before executing.
 *
 * @param {function()} action The callback to execute. function($window, $document)
 *  $document is a jQuery wrapped document.
 */
angular.scenario.Application.prototype.executeAction = function(action) {
  var self = this;
  var $window = this.getWindow_();
  if (!$window.document) {
    throw new Error('Sandbox Error: Application document not accessible.');
  }
  if (!$window.angular) {
    return action.call(this, $window, _jQuery($window.document));
  }

  if (this.rootElement) {
    executeWithElement(this.rootElement);
  } else {
    angularInit($window.document, angular.bind(this, executeWithElement));
  }

  function executeWithElement(element) {
    var $injector = $window.angular.element(element).injector();
    var $element = _jQuery(element);

    $element.injector = function() {
      return $injector;
    };

    $injector.invoke(function($browser) {
      $browser.notifyWhenNoOutstandingRequests(function() {
        action.call(self, $window, $element);
      });
    });
  }
};