editingcontroller.js 20 KB

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  1. /**
  2. * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* globals setTimeout, document */
  6. import EmitterMixin from '@ckeditor/ckeditor5-utils/src/emittermixin';
  7. import EditingController from '../../src/controller/editingcontroller';
  8. import ViewDocument from '../../src/view/document';
  9. import Mapper from '../../src/conversion/mapper';
  10. import ModelConversionDispatcher from '../../src/conversion/modelconversiondispatcher';
  11. import buildModelConverter from '../../src/conversion/buildmodelconverter';
  12. import Model from '../../src/model/model';
  13. import ModelPosition from '../../src/model/position';
  14. import ModelRange from '../../src/model/range';
  15. import ModelDocumentFragment from '../../src/model/documentfragment';
  16. import { parse, getData as getModelData } from '../../src/dev-utils/model';
  17. import { getData as getViewData } from '../../src/dev-utils/view';
  18. describe( 'EditingController', () => {
  19. describe( 'constructor()', () => {
  20. let model, editing;
  21. beforeEach( () => {
  22. model = new Model();
  23. editing = new EditingController( model );
  24. } );
  25. afterEach( () => {
  26. editing.destroy();
  27. } );
  28. it( 'should create controller with properties', () => {
  29. expect( editing ).to.have.property( 'model' ).that.equals( model );
  30. expect( editing ).to.have.property( 'view' ).that.is.instanceof( ViewDocument );
  31. expect( editing ).to.have.property( 'mapper' ).that.is.instanceof( Mapper );
  32. expect( editing ).to.have.property( 'modelToView' ).that.is.instanceof( ModelConversionDispatcher );
  33. editing.destroy();
  34. } );
  35. it( 'should be observable', () => {
  36. const spy = sinon.spy();
  37. editing.on( 'change:foo', spy );
  38. editing.set( 'foo', 'bar' );
  39. sinon.assert.calledOnce( spy );
  40. } );
  41. it( 'should bind view roots to model roots', () => {
  42. expect( model.document.roots ).to.length( 1 ); // $graveyard
  43. expect( editing.view.roots ).to.length( 0 );
  44. const modelRoot = model.document.createRoot();
  45. expect( model.document.roots ).to.length( 2 );
  46. expect( editing.view.roots ).to.length( 1 );
  47. expect( editing.view.getRoot().document ).to.equal( editing.view );
  48. expect( editing.view.getRoot().name ).to.equal( modelRoot.name ).to.equal( '$root' );
  49. } );
  50. } );
  51. describe( 'conversion', () => {
  52. let model, modelRoot, viewRoot, domRoot, editing, listener;
  53. beforeEach( () => {
  54. listener = Object.create( EmitterMixin );
  55. model = new Model();
  56. modelRoot = model.document.createRoot();
  57. editing = new EditingController( model );
  58. domRoot = document.createElement( 'div' );
  59. domRoot.contentEditable = true;
  60. document.body.appendChild( domRoot );
  61. viewRoot = editing.view.getRoot();
  62. editing.view.attachDomRoot( domRoot );
  63. model.schema.register( 'paragraph', { inheritAllFrom: '$block' } );
  64. model.schema.register( 'div', { inheritAllFrom: '$block' } );
  65. buildModelConverter().for( editing.modelToView ).fromElement( 'paragraph' ).toElement( 'p' );
  66. buildModelConverter().for( editing.modelToView ).fromElement( 'div' ).toElement( 'div' );
  67. buildModelConverter().for( editing.modelToView ).fromMarker( 'marker' ).toHighlight( {} );
  68. // Note: The below code is highly overcomplicated due to #455.
  69. model.document.selection.removeAllRanges();
  70. modelRoot.removeChildren( 0, modelRoot.childCount );
  71. viewRoot.removeChildren( 0, viewRoot.childCount );
  72. const modelData = new ModelDocumentFragment( parse(
  73. '<paragraph>foo</paragraph>' +
  74. '<paragraph></paragraph>' +
  75. '<paragraph>bar</paragraph>',
  76. model.schema
  77. )._children );
  78. model.change( writer => {
  79. writer.insert( modelData, model.document.getRoot() );
  80. model.document.selection.addRange( ModelRange.createFromParentsAndOffsets(
  81. modelRoot.getChild( 0 ), 1, modelRoot.getChild( 0 ), 1 )
  82. );
  83. } );
  84. } );
  85. afterEach( () => {
  86. document.body.removeChild( domRoot );
  87. listener.stopListening();
  88. editing.destroy();
  89. } );
  90. it( 'should convert insertion', () => {
  91. expect( getViewData( editing.view ) ).to.equal( '<p>f{}oo</p><p></p><p>bar</p>' );
  92. } );
  93. it( 'should convert split', () => {
  94. expect( getViewData( editing.view ) ).to.equal( '<p>f{}oo</p><p></p><p>bar</p>' );
  95. model.change( writer => {
  96. writer.split( model.document.selection.getFirstPosition() );
  97. model.document.selection.setRanges( [
  98. ModelRange.createFromParentsAndOffsets( modelRoot.getChild( 1 ), 0, modelRoot.getChild( 1 ), 0 )
  99. ] );
  100. } );
  101. expect( getViewData( editing.view ) ).to.equal( '<p>f</p><p>{}oo</p><p></p><p>bar</p>' );
  102. } );
  103. it( 'should convert rename', () => {
  104. expect( getViewData( editing.view ) ).to.equal( '<p>f{}oo</p><p></p><p>bar</p>' );
  105. model.change( writer => {
  106. writer.rename( modelRoot.getChild( 0 ), 'div' );
  107. } );
  108. expect( getViewData( editing.view ) ).to.equal( '<div>f{}oo</div><p></p><p>bar</p>' );
  109. } );
  110. it( 'should convert delete', () => {
  111. model.change( writer => {
  112. writer.remove(
  113. ModelRange.createFromPositionAndShift( model.document.selection.getFirstPosition(), 1 )
  114. );
  115. model.document.selection.setRanges( [
  116. ModelRange.createFromParentsAndOffsets( modelRoot.getChild( 0 ), 1, modelRoot.getChild( 0 ), 1 )
  117. ] );
  118. } );
  119. expect( getViewData( editing.view ) ).to.equal( '<p>f{}o</p><p></p><p>bar</p>' );
  120. } );
  121. it( 'should convert selection from view to model', done => {
  122. listener.listenTo( editing.view, 'selectionChange', () => {
  123. setTimeout( () => {
  124. expect( getModelData( model ) ).to.equal(
  125. '<paragraph>foo</paragraph>' +
  126. '<paragraph></paragraph>' +
  127. '<paragraph>b[a]r</paragraph>'
  128. );
  129. done();
  130. } );
  131. } );
  132. editing.view.isFocused = true;
  133. editing.view.render();
  134. const domSelection = document.getSelection();
  135. domSelection.removeAllRanges();
  136. const domBar = domRoot.childNodes[ 2 ].childNodes[ 0 ];
  137. const domRange = document.createRange();
  138. domRange.setStart( domBar, 1 );
  139. domRange.setEnd( domBar, 2 );
  140. domSelection.addRange( domRange );
  141. } );
  142. it( 'should convert collapsed selection', () => {
  143. model.change( () => {
  144. model.document.selection.setRanges( [
  145. ModelRange.createFromParentsAndOffsets( modelRoot.getChild( 2 ), 1, modelRoot.getChild( 2 ), 1 )
  146. ] );
  147. } );
  148. expect( getViewData( editing.view ) ).to.equal( '<p>foo</p><p></p><p>b{}ar</p>' );
  149. } );
  150. it( 'should convert not collapsed selection', () => {
  151. model.change( () => {
  152. model.document.selection.setRanges( [
  153. ModelRange.createFromParentsAndOffsets( modelRoot.getChild( 2 ), 1, modelRoot.getChild( 2 ), 2 )
  154. ] );
  155. } );
  156. expect( getViewData( editing.view ) ).to.equal( '<p>foo</p><p></p><p>b{a}r</p>' );
  157. } );
  158. it( 'should clear previous selection', () => {
  159. model.change( () => {
  160. model.document.selection.setRanges( [
  161. ModelRange.createFromParentsAndOffsets( modelRoot.getChild( 2 ), 1, modelRoot.getChild( 2 ), 1 )
  162. ] );
  163. } );
  164. expect( getViewData( editing.view ) ).to.equal( '<p>foo</p><p></p><p>b{}ar</p>' );
  165. model.change( () => {
  166. model.document.selection.setRanges( [
  167. ModelRange.createFromParentsAndOffsets( modelRoot.getChild( 2 ), 2, modelRoot.getChild( 2 ), 2 )
  168. ] );
  169. } );
  170. expect( getViewData( editing.view ) ).to.equal( '<p>foo</p><p></p><p>ba{}r</p>' );
  171. } );
  172. it( 'should convert adding marker', () => {
  173. const range = new ModelRange( new ModelPosition( modelRoot, [ 0, 1 ] ), new ModelPosition( modelRoot, [ 2, 2 ] ) );
  174. model.change( () => {
  175. model.markers.set( 'marker', range );
  176. } );
  177. expect( getViewData( editing.view, { withoutSelection: true } ) )
  178. .to.equal( '<p>f<span>oo</span></p><p></p><p><span>ba</span>r</p>' );
  179. } );
  180. it( 'should convert removing marker', () => {
  181. const range = new ModelRange( new ModelPosition( modelRoot, [ 0, 1 ] ), new ModelPosition( modelRoot, [ 2, 2 ] ) );
  182. model.change( () => {
  183. model.markers.set( 'marker', range );
  184. } );
  185. model.change( () => {
  186. model.markers.remove( 'marker' );
  187. } );
  188. expect( getViewData( editing.view, { withoutSelection: true } ) )
  189. .to.equal( '<p>foo</p><p></p><p>bar</p>' );
  190. } );
  191. it( 'should convert changing marker', () => {
  192. const range = new ModelRange( new ModelPosition( modelRoot, [ 0, 1 ] ), new ModelPosition( modelRoot, [ 2, 2 ] ) );
  193. model.change( () => {
  194. model.markers.set( 'marker', range );
  195. } );
  196. const range2 = new ModelRange( new ModelPosition( modelRoot, [ 0, 0 ] ), new ModelPosition( modelRoot, [ 0, 2 ] ) );
  197. model.change( () => {
  198. model.markers.set( 'marker', range2 );
  199. } );
  200. expect( getViewData( editing.view, { withoutSelection: true } ) )
  201. .to.equal( '<p><span>fo</span>o</p><p></p><p>bar</p>' );
  202. } );
  203. it( 'should convert insertion into marker', () => {
  204. const range = new ModelRange( new ModelPosition( modelRoot, [ 0, 1 ] ), new ModelPosition( modelRoot, [ 2, 2 ] ) );
  205. model.change( () => {
  206. model.markers.set( 'marker', range );
  207. } );
  208. model.change( writer => {
  209. writer.insertText( 'xyz', new ModelPosition( modelRoot, [ 1, 0 ] ) );
  210. } );
  211. expect( getViewData( editing.view, { withoutSelection: true } ) )
  212. .to.equal( '<p>f<span>oo</span></p><p><span>xyz</span></p><p><span>ba</span>r</p>' );
  213. } );
  214. it( 'should convert move to marker', () => {
  215. const range = new ModelRange( new ModelPosition( modelRoot, [ 0, 1 ] ), new ModelPosition( modelRoot, [ 2, 2 ] ) );
  216. model.change( () => {
  217. model.markers.set( 'marker', range );
  218. } );
  219. model.change( writer => {
  220. writer.move(
  221. new ModelRange( new ModelPosition( modelRoot, [ 2, 2 ] ), new ModelPosition( modelRoot, [ 2, 3 ] ) ),
  222. new ModelPosition( modelRoot, [ 0, 3 ] )
  223. );
  224. } );
  225. expect( getViewData( editing.view, { withoutSelection: true } ) )
  226. .to.equal( '<p>f<span>oor</span></p><p></p><p><span>ba</span></p>' );
  227. } );
  228. it( 'should convert move from marker', () => {
  229. const range = new ModelRange( new ModelPosition( modelRoot, [ 0, 1 ] ), new ModelPosition( modelRoot, [ 2, 2 ] ) );
  230. model.change( () => {
  231. model.markers.set( 'marker', range );
  232. } );
  233. model.change( writer => {
  234. writer.move(
  235. new ModelRange( new ModelPosition( modelRoot, [ 0, 1 ] ), new ModelPosition( modelRoot, [ 0, 3 ] ) ),
  236. new ModelPosition( modelRoot, [ 2, 3 ] )
  237. );
  238. } );
  239. expect( getViewData( editing.view, { withoutSelection: true } ) )
  240. .to.equal( '<p>f</p><p></p><p><span>ba</span>roo</p>' );
  241. } );
  242. it( 'should convert the whole marker move', () => {
  243. const range = new ModelRange( new ModelPosition( modelRoot, [ 0, 1 ] ), new ModelPosition( modelRoot, [ 0, 3 ] ) );
  244. model.change( () => {
  245. model.markers.set( 'marker', range );
  246. } );
  247. model.change( writer => {
  248. writer.move(
  249. new ModelRange( new ModelPosition( modelRoot, [ 0, 0 ] ), new ModelPosition( modelRoot, [ 0, 3 ] ) ),
  250. new ModelPosition( modelRoot, [ 1, 0 ] )
  251. );
  252. } );
  253. expect( getViewData( editing.view, { withoutSelection: true } ) )
  254. .to.equal( '<p></p><p>f<span>oo</span></p><p>bar</p>' );
  255. } );
  256. } );
  257. describe( 'marker clearing', () => {
  258. let model, modelRoot, editing, domRoot, mcd, p1;
  259. beforeEach( () => {
  260. model = new Model();
  261. modelRoot = model.document.createRoot();
  262. editing = new EditingController( model );
  263. domRoot = document.createElement( 'div' );
  264. domRoot.contentEditable = true;
  265. document.body.appendChild( domRoot );
  266. model.schema.register( 'paragraph', { inheritAllFrom: '$block' } );
  267. model.schema.register( 'div', { inheritAllFrom: '$block' } );
  268. buildModelConverter().for( editing.modelToView ).fromElement( 'paragraph' ).toElement( 'p' );
  269. buildModelConverter().for( editing.modelToView ).fromElement( 'div' ).toElement( 'div' );
  270. buildModelConverter().for( editing.modelToView ).fromMarker( 'marker' ).toHighlight( {} );
  271. const modelData = new ModelDocumentFragment( parse(
  272. '<paragraph>foo</paragraph>' +
  273. '<paragraph>bar</paragraph>',
  274. model.schema
  275. )._children );
  276. model.change( writer => {
  277. writer.insert( modelData, modelRoot );
  278. p1 = modelRoot.getChild( 0 );
  279. model.document.selection.addRange( ModelRange.createFromParentsAndOffsets( p1, 0, p1, 0 ) );
  280. } );
  281. mcd = editing.modelToView;
  282. sinon.spy( mcd, 'convertMarkerRemove' );
  283. } );
  284. afterEach( () => {
  285. document.body.removeChild( domRoot );
  286. editing.destroy();
  287. } );
  288. it( 'should remove marker from view if it will be affected by insert operation', () => {
  289. model.change( writer => {
  290. writer.setMarker( 'marker', ModelRange.createFromParentsAndOffsets( p1, 1, p1, 2 ) );
  291. } );
  292. // Adding with 'high' priority, because `applyOperation` is decorated - its default callback is fired with 'normal' priority.
  293. model.on( 'applyOperation', () => {
  294. expect( mcd.convertMarkerRemove.calledOnce ).to.be.true;
  295. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p>foo</p><p>bar</p>' );
  296. }, { priority: 'high' } );
  297. model.change( writer => {
  298. writer.insertText( 'a', p1, 0 );
  299. } );
  300. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p>af<span>o</span>o</p><p>bar</p>' );
  301. } );
  302. it( 'should remove marker from view if it will be affected by remove operation', () => {
  303. model.change( writer => {
  304. writer.setMarker( 'marker', ModelRange.createFromParentsAndOffsets( p1, 1, p1, 2 ) );
  305. } );
  306. // Adding with 'high' priority, because `applyOperation` is decorated - its default callback is fired with 'normal' priority.
  307. model.on( 'applyOperation', () => {
  308. expect( mcd.convertMarkerRemove.calledOnce ).to.be.true;
  309. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p>foo</p><p>bar</p>' );
  310. }, { priority: 'high' } );
  311. model.change( writer => {
  312. writer.remove( ModelRange.createFromParentsAndOffsets( p1, 0, p1, 1 ) );
  313. } );
  314. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p><span>o</span>o</p><p>bar</p>' );
  315. } );
  316. it( 'should remove marker from view if it will be affected by move operation', () => {
  317. model.change( writer => {
  318. writer.setMarker( 'marker', ModelRange.createFromParentsAndOffsets( p1, 1, p1, 2 ) );
  319. } );
  320. // Adding with 'high' priority, because `applyOperation` is decorated - its default callback is fired with 'normal' priority.
  321. model.on( 'applyOperation', () => {
  322. expect( mcd.convertMarkerRemove.calledOnce ).to.be.true;
  323. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p>foo</p><p>bar</p>' );
  324. }, { priority: 'high' } );
  325. model.change( writer => {
  326. const p2 = p1.nextSibling;
  327. writer.move( ModelRange.createFromParentsAndOffsets( p2, 0, p2, 2 ), p1, 0 );
  328. } );
  329. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p>baf<span>o</span>o</p><p>r</p>' );
  330. } );
  331. it( 'should remove marker from view if it will be affected by rename operation', () => {
  332. model.change( writer => {
  333. writer.setMarker( 'marker', ModelRange.createFromParentsAndOffsets( modelRoot, 0, modelRoot, 1 ) );
  334. } );
  335. // Adding with 'high' priority, because `applyOperation` is decorated - its default callback is fired with 'normal' priority.
  336. model.on( 'applyOperation', () => {
  337. expect( mcd.convertMarkerRemove.calledOnce ).to.be.true;
  338. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p>foo</p><p>bar</p>' );
  339. }, { priority: 'high' } );
  340. model.change( writer => {
  341. writer.rename( p1, 'div' );
  342. } );
  343. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<div><span>foo</span></div><p>bar</p>' );
  344. } );
  345. it( 'should remove marker from view if it will be affected by marker operation', () => {
  346. model.change( writer => {
  347. writer.setMarker( 'marker', ModelRange.createFromParentsAndOffsets( p1, 1, p1, 2 ) );
  348. } );
  349. // Adding with 'high' priority, because `applyOperation` is decorated - its default callback is fired with 'normal' priority.
  350. model.on( 'applyOperation', () => {
  351. expect( mcd.convertMarkerRemove.calledOnce ).to.be.true;
  352. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p>foo</p><p>bar</p>' );
  353. }, { priority: 'high' } );
  354. model.change( writer => {
  355. const p2 = p1.nextSibling;
  356. writer.setMarker( 'marker', ModelRange.createFromParentsAndOffsets( p2, 1, p2, 2 ) );
  357. } );
  358. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p>foo</p><p>b<span>a</span>r</p>' );
  359. } );
  360. it( 'should remove marker from view if it is removed through marker collection', () => {
  361. model.change( writer => {
  362. writer.setMarker( 'marker', ModelRange.createFromParentsAndOffsets( p1, 1, p1, 2 ) );
  363. } );
  364. // Adding with 'high' priority, because `applyOperation` is decorated - its default callback is fired with 'normal' priority.
  365. model.markers.on( 'remove:marker', () => {
  366. expect( mcd.convertMarkerRemove.calledOnce ).to.be.true;
  367. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p>foo</p><p>bar</p>' );
  368. }, { priority: 'low' } );
  369. model.change( () => {
  370. model.markers.remove( 'marker' );
  371. } );
  372. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p>foo</p><p>bar</p>' );
  373. } );
  374. it( 'should not remove marker if applied operation is an attribute operation', () => {
  375. model.change( writer => {
  376. writer.setMarker( 'marker', ModelRange.createFromParentsAndOffsets( p1, 1, p1, 2 ) );
  377. } );
  378. // Adding with 'high' priority, because `applyOperation` is decorated - its default callback is fired with 'normal' priority.
  379. model.on( 'applyOperation', () => {
  380. expect( mcd.convertMarkerRemove.calledOnce ).to.be.false;
  381. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p>f<span>o</span>o</p><p>bar</p>' );
  382. }, { priority: 'high' } );
  383. model.change( writer => {
  384. writer.setAttribute( 'foo', 'bar', ModelRange.createFromParentsAndOffsets( p1, 0, p1, 2 ) );
  385. } );
  386. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p>f<span>o</span>o</p><p>bar</p>' );
  387. } );
  388. it( 'should not crash if multiple operations affect a marker', () => {
  389. model.change( writer => {
  390. writer.setMarker( 'marker', ModelRange.createFromParentsAndOffsets( p1, 1, p1, 2 ) );
  391. } );
  392. model.change( writer => {
  393. writer.insertText( 'a', p1, 0 );
  394. writer.insertText( 'a', p1, 0 );
  395. writer.insertText( 'a', p1, 0 );
  396. } );
  397. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p>aaaf<span>o</span>o</p><p>bar</p>' );
  398. } );
  399. it( 'should not crash if marker is removed, added and removed #1', () => {
  400. model.change( writer => {
  401. writer.setMarker( 'marker', ModelRange.createFromParentsAndOffsets( p1, 1, p1, 2 ) );
  402. } );
  403. model.change( writer => {
  404. writer.insertText( 'a', p1, 0 );
  405. writer.setMarker( 'marker', ModelRange.createFromParentsAndOffsets( p1, 3, p1, 4 ) );
  406. writer.insertText( 'a', p1, 0 );
  407. } );
  408. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p>aafo<span>o</span></p><p>bar</p>' );
  409. } );
  410. it( 'should not crash if marker is removed, added and removed #2', () => {
  411. model.change( writer => {
  412. writer.setMarker( 'marker', ModelRange.createFromParentsAndOffsets( p1, 1, p1, 2 ) );
  413. } );
  414. model.change( writer => {
  415. writer.removeMarker( 'marker' );
  416. writer.setMarker( 'marker', ModelRange.createFromParentsAndOffsets( p1, 0, p1, 1 ) );
  417. writer.removeMarker( 'marker' );
  418. } );
  419. expect( getViewData( editing.view, { withoutSelection: true } ) ).to.equal( '<p>foo</p><p>bar</p>' );
  420. } );
  421. } );
  422. describe( 'destroy()', () => {
  423. it( 'should remove listenters', () => {
  424. const model = new Model();
  425. model.document.createRoot();
  426. model.schema.register( 'paragraph', { inheritAllFrom: '$block' } );
  427. const editing = new EditingController( model );
  428. const spy = sinon.spy();
  429. editing.modelToView.on( 'insert:$element', spy );
  430. editing.destroy();
  431. model.change( writer => {
  432. const modelData = parse( '<paragraph>foo</paragraph>', model.schema ).getChild( 0 );
  433. writer.insert( modelData, model.document.getRoot() );
  434. } );
  435. expect( spy.called ).to.be.false;
  436. editing.destroy();
  437. } );
  438. it( 'should destroy view', () => {
  439. const model = new Model();
  440. model.document.createRoot();
  441. model.schema.register( 'paragraph', { inheritAllFrom: '$block' } );
  442. const editing = new EditingController( model );
  443. const spy = sinon.spy( editing.view, 'destroy' );
  444. editing.destroy();
  445. expect( spy.called ).to.be.true;
  446. } );
  447. } );
  448. } );