angular-cn/modules/angular2/test/render/dom/view/view_spec.ts

import {
  AsyncTestCompleter,
  beforeEach,
  ddescribe,
  xdescribe,
  describe,
  el,
  dispatchEvent,
  expect,
  iit,
  inject,
  beforeEachBindings,
  it,
  xit,
  SpyObject,
  proxy
} from 'angular2/test_lib';
import {IMPLEMENTS, isBlank} from 'angular2/src/facade/lang';
import {ListWrapper} from 'angular2/src/facade/collection';

import {DomProtoView} from 'angular2/src/render/dom/view/proto_view';
import {ElementBinder} from 'angular2/src/render/dom/view/element_binder';
import {DomView} from 'angular2/src/render/dom/view/view';
import {LightDom} from 'angular2/src/render/dom/shadow_dom/light_dom';
import {DOM} from 'angular2/src/dom/dom_adapter';

export function main() {
  describe('DomView', () => {
    function createProtoView(binders = null) {
      if (isBlank(binders)) {
        binders = [];
      }
      var rootEl = el('<div></div>');
      return new DomProtoView({element: rootEl, elementBinders: binders});
    }

    function createView(pv = null, boundElementCount = 0) {
      if (isBlank(pv)) {
        pv = createProtoView();
      }
      var root = el('<div><div></div></div>');
      var boundElements = [];
      for (var i = 0; i < boundElementCount; i++) {
        ListWrapper.push(boundElements, el('<span></span'));
      }
      return new DomView(pv, [DOM.childNodes(root)[0]], [], boundElements, []);
    }

    describe('getDirectParentLightDom', () => {

      it('should return the LightDom of the direct parent', () => {
        var pv = createProtoView(
            [new ElementBinder(), new ElementBinder({parentIndex: 0, distanceToParent: 1})]);
        var view = createView(pv, 2);
        view.lightDoms[0] = <any>new SpyLightDom();
        view.lightDoms[1] = <any>new SpyLightDom();
        expect(view.getDirectParentLightDom(1)).toBe(view.lightDoms[0]);
      });

      it('should return null if the direct parent is not bound', () => {
        var pv = createProtoView([
          new ElementBinder(),
          new ElementBinder(),
          new ElementBinder({parentIndex: 0, distanceToParent: 2})
        ]);
        var view = createView(pv, 3);
        view.lightDoms[0] = <any>new SpyLightDom();
        view.lightDoms[1] = <any>new SpyLightDom();
        view.lightDoms[2] = <any>new SpyLightDom();
        expect(view.getDirectParentLightDom(2)).toBe(null);
      });

    });

  });
}

@proxy
@IMPLEMENTS(LightDom)
class SpyLightDom extends SpyObject {
  constructor() { super(LightDom); }
  noSuchMethod(m) { return super.noSuchMethod(m) }
}