Function detectChildrenChanges

test/e2e/observer/observer_spec.js:21–39

(elementId, childType)

  };

  var detectChildrenChanges = function(elementId, childType) {
    it('can detect new children', function() {
      browser.get('observer/observer.html').then(function() {
        utilities.getChildrenIds(elementId).then(function(beforeChildren) {
          browser.driver.executeAsyncScript(function(id, type, callback) {
            var element = document.getElementById(id);
            var child = document.createElement('div');
            child.setAttribute('data-lj-type', type);
            element.appendChild(child);
            callback();
          }, elementId, childType).then(function() {
            utilities.getChildrenIds(elementId).then(function(afterChildren) {
              expect(afterChildren.length).toBe(beforeChildren.length + 1);
            });
          });
        });
      });
    });
  };

  describe('frameView', function() {
    // detectAttributeChanges('frame', 'data-lj-x', 'x', '100');