document.js 11 KB

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  1. /**
  2. * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* bender-tags: view, browser-only */
  6. 'use strict';
  7. import Document from '/ckeditor5/engine/view/document.js';
  8. import Observer from '/ckeditor5/engine/view/observer/observer.js';
  9. import Renderer from '/ckeditor5/engine/view/renderer.js';
  10. import Writer from '/ckeditor5/engine/view/writer.js';
  11. import DomConverter from '/ckeditor5/engine/view/domconverter.js';
  12. import count from '/ckeditor5/utils/count.js';
  13. describe( 'Document', () => {
  14. let ObserverMock, ObserverMockGlobalCount, instantiated, enabled;
  15. beforeEach( () => {
  16. instantiated = 0;
  17. enabled = 0;
  18. ObserverMock = class extends Observer {
  19. constructor( viewDocument ) {
  20. super( viewDocument );
  21. this.enable = sinon.spy();
  22. this.disable = sinon.spy();
  23. this.observe = sinon.spy();
  24. }
  25. };
  26. ObserverMockGlobalCount = class extends Observer {
  27. constructor( viewDocument ) {
  28. super( viewDocument );
  29. instantiated++;
  30. this.observe = sinon.spy();
  31. }
  32. enable() {
  33. enabled++;
  34. }
  35. };
  36. } );
  37. describe( 'constructor', () => {
  38. it( 'should create Document with all properties', () => {
  39. const viewDocument = new Document();
  40. expect( count( viewDocument.domRoots ) ).to.equal( 0 );
  41. expect( count( viewDocument.roots ) ).to.equal( 0 );
  42. expect( count( viewDocument._observers ) ).to.equal( 0 );
  43. expect( viewDocument ).to.have.property( 'renderer' ).that.is.instanceOf( Renderer );
  44. expect( viewDocument ).to.have.property( 'writer' ).that.is.instanceOf( Writer );
  45. expect( viewDocument ).to.have.property( 'domConverter' ).that.is.instanceOf( DomConverter );
  46. expect( viewDocument ).to.have.property( 'focusedEditable' ).that.is.null;
  47. } );
  48. } );
  49. describe( 'createRoot', () => {
  50. it( 'should create root', () => {
  51. const domP = document.createElement( 'p' );
  52. const domDiv = document.createElement( 'div' );
  53. domDiv.appendChild( domP );
  54. const viewDocument = new Document();
  55. const ret = viewDocument.createRoot( domDiv );
  56. expect( count( viewDocument.domRoots ) ).to.equal( 1 );
  57. expect( count( viewDocument.roots ) ).to.equal( 1 );
  58. const domRoot = viewDocument.getDomRoot();
  59. const viewRoot = viewDocument.getRoot();
  60. expect( ret ).to.equal( viewRoot );
  61. expect( domRoot ).to.equal( domDiv );
  62. expect( viewDocument.domConverter.getCorrespondingDom( viewRoot ) ).to.equal( domDiv );
  63. expect( viewRoot.name.toLowerCase() ).to.equal( 'div' );
  64. expect( viewDocument.renderer.markedChildren.has( viewRoot ) ).to.be.true;
  65. } );
  66. it( 'should call observe on each observer', () => {
  67. const viewDocument = new Document( document.createElement( 'div' ) );
  68. viewDocument.renderer.render = sinon.spy();
  69. const domDiv1 = document.createElement( 'div' );
  70. domDiv1.setAttribute( 'id', 'editor' );
  71. const domDiv2 = document.createElement( 'div' );
  72. domDiv2.setAttribute( 'id', 'editor' );
  73. const observerMock = viewDocument.addObserver( ObserverMock );
  74. const observerMockGlobalCount = viewDocument.addObserver( ObserverMockGlobalCount );
  75. viewDocument.createRoot( document.createElement( 'div' ), 'root1' );
  76. sinon.assert.calledOnce( observerMock.observe );
  77. sinon.assert.calledOnce( observerMockGlobalCount.observe );
  78. } );
  79. it( 'should create "main" root by default', () => {
  80. const domDiv = document.createElement( 'div' );
  81. const viewDocument = new Document();
  82. const ret = viewDocument.createRoot( domDiv );
  83. expect( count( viewDocument.domRoots ) ).to.equal( 1 );
  84. expect( count( viewDocument.roots ) ).to.equal( 1 );
  85. const domRoot = viewDocument.domRoots.get( 'main' );
  86. const viewRoot = viewDocument.roots.get( 'main' );
  87. expect( ret ).to.equal( viewRoot );
  88. expect( domRoot ).to.equal( domDiv );
  89. } );
  90. it( 'should create root with given name', () => {
  91. const domDiv = document.createElement( 'div' );
  92. const viewDocument = new Document();
  93. const ret = viewDocument.createRoot( domDiv, 'header' );
  94. expect( count( viewDocument.domRoots ) ).to.equal( 1 );
  95. expect( count( viewDocument.roots ) ).to.equal( 1 );
  96. const domRoot = viewDocument.domRoots.get( 'header' );
  97. const viewRoot = viewDocument.roots.get( 'header' );
  98. expect( ret ).to.equal( viewRoot );
  99. expect( domRoot ).to.equal( domDiv );
  100. } );
  101. it( 'should create root without attaching DOM element', () => {
  102. const viewDocument = new Document();
  103. const ret = viewDocument.createRoot( 'div' );
  104. expect( count( viewDocument.domRoots ) ).to.equal( 0 );
  105. expect( count( viewDocument.roots ) ).to.equal( 1 );
  106. expect( ret ).to.equal( viewDocument.getRoot() );
  107. } );
  108. } );
  109. describe( 'attachDomRoot', () => {
  110. it( 'should create root without attach DOM element to the view element', () => {
  111. const domDiv = document.createElement( 'div' );
  112. const viewDocument = new Document();
  113. const viewRoot = viewDocument.createRoot( 'div' );
  114. expect( count( viewDocument.domRoots ) ).to.equal( 0 );
  115. expect( count( viewDocument.roots ) ).to.equal( 1 );
  116. expect( viewRoot ).to.equal( viewDocument.getRoot() );
  117. viewDocument.attachDomRoot( domDiv );
  118. expect( count( viewDocument.domRoots ) ).to.equal( 1 );
  119. expect( count( viewDocument.roots ) ).to.equal( 1 );
  120. expect( viewDocument.getDomRoot() ).to.equal( domDiv );
  121. expect( viewDocument.domConverter.getCorrespondingDom( viewRoot ) ).to.equal( domDiv );
  122. expect( viewDocument.renderer.markedChildren.has( viewRoot ) ).to.be.true;
  123. } );
  124. it( 'should create root without attach DOM element to the view element with given name', () => {
  125. const domH1 = document.createElement( 'h1' );
  126. const viewDocument = new Document();
  127. viewDocument.createRoot( 'div' );
  128. const viewH1 = viewDocument.createRoot( 'h1', 'header' );
  129. expect( count( viewDocument.domRoots ) ).to.equal( 0 );
  130. expect( count( viewDocument.roots ) ).to.equal( 2 );
  131. expect( viewH1 ).to.equal( viewDocument.getRoot( 'header' ) );
  132. viewDocument.attachDomRoot( domH1, 'header' );
  133. expect( count( viewDocument.domRoots ) ).to.equal( 1 );
  134. expect( count( viewDocument.roots ) ).to.equal( 2 );
  135. expect( viewDocument.getDomRoot( 'header' ) ).to.equal( domH1 );
  136. expect( viewDocument.domConverter.getCorrespondingDom( viewH1 ) ).to.equal( domH1 );
  137. expect( viewDocument.renderer.markedChildren.has( viewH1 ) ).to.be.true;
  138. } );
  139. } );
  140. describe( 'getRoot', () => {
  141. it( 'should return "main" root', () => {
  142. const viewDocument = new Document();
  143. viewDocument.createRoot( document.createElement( 'div' ) );
  144. expect( count( viewDocument.roots ) ).to.equal( 1 );
  145. expect( viewDocument.getRoot() ).to.equal( viewDocument.roots.get( 'main' ) );
  146. } );
  147. it( 'should return named root', () => {
  148. const viewDocument = new Document();
  149. viewDocument.createRoot( document.createElement( 'h1' ), 'header' );
  150. expect( count( viewDocument.roots ) ).to.equal( 1 );
  151. expect( viewDocument.getRoot( 'header' ) ).to.equal( viewDocument.roots.get( 'header' ) );
  152. } );
  153. } );
  154. describe( 'addObserver', () => {
  155. let viewDocument;
  156. beforeEach( () => {
  157. viewDocument = new Document( document.createElement( 'div' ) );
  158. viewDocument.renderer.render = sinon.spy();
  159. } );
  160. it( 'should be instantiated and enabled on adding', () => {
  161. const observerMock = viewDocument.addObserver( ObserverMock );
  162. expect( viewDocument._observers.size ).to.equal( 1 );
  163. expect( observerMock ).to.have.property( 'document', viewDocument );
  164. sinon.assert.calledOnce( observerMock.enable );
  165. } );
  166. it( 'should return observer instance ever time addObserver is called', () => {
  167. const observerMock1 = viewDocument.addObserver( ObserverMock );
  168. const observerMock2 = viewDocument.addObserver( ObserverMock );
  169. expect( observerMock1 ).to.be.instanceof( ObserverMock );
  170. expect( observerMock2 ).to.be.instanceof( ObserverMock );
  171. expect( observerMock1 ).to.equals( observerMock2 );
  172. } );
  173. it( 'should instantiate one observer only once', () => {
  174. viewDocument.addObserver( ObserverMockGlobalCount );
  175. viewDocument.addObserver( ObserverMockGlobalCount );
  176. expect( viewDocument._observers.size ).to.equal( 1 );
  177. expect( instantiated ).to.equal( 1 );
  178. expect( enabled ).to.equal( 1 );
  179. viewDocument.addObserver( ObserverMock );
  180. expect( viewDocument._observers.size ).to.equal( 2 );
  181. } );
  182. it( 'should instantiate child class of already registered observer', () => {
  183. class ObserverMock extends Observer {
  184. enable() {}
  185. }
  186. class ChildObserverMock extends ObserverMock {
  187. enable() {}
  188. }
  189. viewDocument.addObserver( ObserverMock );
  190. viewDocument.addObserver( ChildObserverMock );
  191. expect( viewDocument._observers.size ).to.equal( 2 );
  192. } );
  193. it( 'should be disabled and re-enabled on render', () => {
  194. const observerMock = viewDocument.addObserver( ObserverMock );
  195. viewDocument.render();
  196. sinon.assert.calledOnce( observerMock.disable );
  197. sinon.assert.calledOnce( viewDocument.renderer.render );
  198. sinon.assert.calledTwice( observerMock.enable );
  199. } );
  200. it( 'should call observe on each root', () => {
  201. viewDocument.createRoot( document.createElement( 'div' ), 'root1' );
  202. viewDocument.createRoot( document.createElement( 'div' ), 'root2' );
  203. const observerMock = viewDocument.addObserver( ObserverMock );
  204. sinon.assert.calledTwice( observerMock.observe );
  205. } );
  206. } );
  207. describe( 'getObserver', () => {
  208. it( 'should return observer it it is added', () => {
  209. const viewDocument = new Document();
  210. const addedObserverMock = viewDocument.addObserver( ObserverMock );
  211. const getObserverMock = viewDocument.getObserver( ObserverMock );
  212. expect( getObserverMock ).to.be.instanceof( ObserverMock );
  213. expect( getObserverMock ).to.equal( addedObserverMock );
  214. } );
  215. it( 'should return undefined if observer is not added', () => {
  216. const viewDocument = new Document();
  217. const getObserverMock = viewDocument.getObserver( ObserverMock );
  218. expect( getObserverMock ).to.be.undefined();
  219. } );
  220. } );
  221. describe( 'disableObservers', () => {
  222. it( 'should disable observers', () => {
  223. const viewDocument = new Document();
  224. const addedObserverMock = viewDocument.addObserver( ObserverMock );
  225. expect( addedObserverMock.enable.calledOnce ).to.be.true;
  226. expect( addedObserverMock.disable.called ).to.be.false;
  227. viewDocument.disableObservers();
  228. expect( addedObserverMock.enable.calledOnce ).to.be.true;
  229. expect( addedObserverMock.disable.calledOnce ).to.be.true;
  230. } );
  231. } );
  232. describe( 'enableObservers', () => {
  233. it( 'should enable observers', () => {
  234. const viewDocument = new Document();
  235. const addedObserverMock = viewDocument.addObserver( ObserverMock );
  236. viewDocument.disableObservers();
  237. expect( addedObserverMock.enable.calledOnce ).to.be.true;
  238. expect( addedObserverMock.disable.calledOnce ).to.be.true;
  239. viewDocument.enableObservers();
  240. expect( addedObserverMock.enable.calledTwice ).to.be.true;
  241. expect( addedObserverMock.disable.calledOnce ).to.be.true;
  242. } );
  243. } );
  244. } );