viewconversiondispatcher.js 22 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. import ViewConversionDispatcher from '../../src/conversion/viewconversiondispatcher';
  6. import ViewContainerElement from '../../src/view/containerelement';
  7. import ViewDocumentFragment from '../../src/view/documentfragment';
  8. import ViewText from '../../src/view/text';
  9. import Model from '../../src/model/model';
  10. import ModelText from '../../src/model/text';
  11. import ModelTextProxy from '../../src/model/textproxy';
  12. import ModelElement from '../../src/model/element';
  13. import ModelDocumentFragment from '../../src/model/documentfragment';
  14. import ModelPosition from '../../src/model/position';
  15. import ModelRange from '../../src/model/range';
  16. import ModelWriter from '../../src/model/writer';
  17. import first from '@ckeditor/ckeditor5-utils/src/first';
  18. import CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';
  19. describe( 'ViewConversionDispatcher', () => {
  20. let model;
  21. beforeEach( () => {
  22. model = new Model();
  23. } );
  24. describe( 'constructor()', () => {
  25. it( 'should create ViewConversionDispatcher with passed api', () => {
  26. const apiObj = {};
  27. const dispatcher = new ViewConversionDispatcher( model, { apiObj } );
  28. expect( dispatcher.conversionApi.apiObj ).to.equal( apiObj );
  29. expect( dispatcher.conversionApi ).to.have.property( 'convertItem' ).that.is.instanceof( Function );
  30. expect( dispatcher.conversionApi ).to.have.property( 'convertChildren' ).that.is.instanceof( Function );
  31. expect( dispatcher.conversionApi ).to.have.property( 'splitToAllowedParent' ).that.is.instanceof( Function );
  32. } );
  33. it( 'should have properties', () => {
  34. const dispatcher = new ViewConversionDispatcher( model );
  35. expect( dispatcher._splitElements ).to.instanceof( Set );
  36. } );
  37. } );
  38. describe( 'convert()', () => {
  39. let dispatcher;
  40. beforeEach( () => {
  41. dispatcher = new ViewConversionDispatcher( model );
  42. } );
  43. it( 'should create api for current conversion process', () => {
  44. const viewElement = new ViewContainerElement( 'p', null, new ViewText( 'foobar' ) );
  45. // To be sure that both converters was called.
  46. const spy = sinon.spy();
  47. // To check that the same writer instance.
  48. let writer;
  49. // Conversion process properties should be undefined/empty before conversion.
  50. expect( dispatcher.conversionApi.writer ).to.not.ok;
  51. expect( dispatcher.conversionApi.data ).to.not.ok;
  52. expect( dispatcher._splitElements.size ).to.equal( 0 );
  53. dispatcher.on( 'element', ( evt, data, conversionApi ) => {
  54. // Check conversion api params.
  55. expect( conversionApi.writer ).to.instanceof( ModelWriter );
  56. expect( conversionApi.data ).to.deep.equal( {} );
  57. expect( dispatcher._splitElements.size ).to.equal( 0 );
  58. // Remember writer to check in next converter that is exactly the same instance (the same undo step).
  59. writer = conversionApi.writer;
  60. // Add some data to conversion storage to verify them in next converter.
  61. conversionApi.data.foo = 'bar';
  62. // Add empty element and mark as a split result to check in next converter.
  63. dispatcher._splitElements.add( conversionApi.writer.createElement( 'paragraph' ) );
  64. // Convert children - this will call second converter.
  65. conversionApi.convertChildren( data.viewItem, data.cursorPosition );
  66. spy();
  67. } );
  68. dispatcher.on( 'text', ( evt, data, conversionApi ) => {
  69. // The same writer is used in converters during one conversion.
  70. expect( conversionApi.writer ).to.equal( writer );
  71. // Data set by previous converter are remembered.
  72. expect( conversionApi.data ).to.deep.equal( { foo: 'bar' } );
  73. // Split element is remembered as well.
  74. expect( dispatcher._splitElements.size ).to.equal( 1 );
  75. spy();
  76. } );
  77. dispatcher.convert( viewElement );
  78. // To be sure that both converters was called.
  79. sinon.assert.calledTwice( spy );
  80. // Conversion process properties should be cleared after conversion.
  81. expect( dispatcher.conversionApi.writer ).to.not.ok;
  82. expect( dispatcher.conversionApi.data ).to.not.ok;
  83. expect( dispatcher._splitElements.size ).to.equal( 0 );
  84. } );
  85. it( 'should fire viewCleanup event on converted view part', () => {
  86. sinon.spy( dispatcher, 'fire' );
  87. const viewP = new ViewContainerElement( 'p' );
  88. dispatcher.convert( viewP );
  89. expect( dispatcher.fire.calledWith( 'viewCleanup', viewP ) ).to.be.true;
  90. } );
  91. it( 'should fire proper events', () => {
  92. const viewText = new ViewText( 'foobar' );
  93. const viewElement = new ViewContainerElement( 'p', null, viewText );
  94. const viewFragment = new ViewDocumentFragment( viewElement );
  95. sinon.spy( dispatcher, 'fire' );
  96. dispatcher.convert( viewText );
  97. dispatcher.convert( viewElement );
  98. dispatcher.convert( viewFragment );
  99. expect( dispatcher.fire.calledWith( 'text' ) ).to.be.true;
  100. expect( dispatcher.fire.calledWith( 'element:p' ) ).to.be.true;
  101. expect( dispatcher.fire.calledWith( 'documentFragment' ) ).to.be.true;
  102. } );
  103. it( 'should convert ViewText', () => {
  104. const spy = sinon.spy();
  105. const viewText = new ViewText( 'foobar' );
  106. dispatcher.on( 'text', ( evt, data, conversionApi ) => {
  107. // Check if this method has been fired.
  108. spy();
  109. // Check correctness of passed parameters.
  110. expect( evt.name ).to.equal( 'text' );
  111. expect( data.viewItem ).to.equal( viewText );
  112. expect( data.cursorPosition ).to.instanceof( ModelPosition );
  113. // Check whether consumable has appropriate value to consume.
  114. expect( conversionApi.consumable.consume( data.viewItem ) ).to.be.true;
  115. // Check whether conversionApi of `dispatcher` has been passed.
  116. expect( conversionApi ).to.equal( dispatcher.conversionApi );
  117. const text = conversionApi.writer.createText( data.viewItem.data );
  118. conversionApi.writer.insert( text, data.cursorPosition );
  119. // Set conversion result to `modelRange` property of `data`.
  120. // Later we will check if it was returned by `convert` method.
  121. data.modelRange = ModelRange.createOn( text );
  122. } );
  123. const conversionResult = dispatcher.convert( viewText );
  124. // Check conversion result.
  125. // Result should be wrapped in document fragment.
  126. expect( conversionResult ).to.be.instanceof( ModelDocumentFragment );
  127. expect( conversionResult.getChild( 0 ).data ).to.equal( 'foobar' );
  128. expect( spy.calledOnce ).to.be.true;
  129. } );
  130. it( 'should convert ViewContainerElement', () => {
  131. const spy = sinon.spy();
  132. const viewElement = new ViewContainerElement( 'p', { attrKey: 'attrValue' } );
  133. dispatcher.on( 'element', ( evt, data, conversionApi ) => {
  134. // Check if this method has been fired.
  135. spy();
  136. // Check correctness of passed parameters.
  137. expect( evt.name ).to.equal( 'element:p' );
  138. expect( data.viewItem ).to.equal( viewElement );
  139. expect( data.cursorPosition ).to.instanceof( ModelPosition );
  140. // Check whether consumable has appropriate value to consume.
  141. expect( conversionApi.consumable.consume( data.viewItem, { name: true } ) ).to.be.true;
  142. expect( conversionApi.consumable.consume( data.viewItem, { attribute: 'attrKey' } ) ).to.be.true;
  143. // Check whether conversionApi of `dispatcher` has been passed.
  144. expect( conversionApi ).to.equal( dispatcher.conversionApi );
  145. const paragraph = conversionApi.writer.createElement( 'paragraph' );
  146. conversionApi.writer.insert( paragraph, data.cursorPosition );
  147. // Set conversion result to `modelRange` property of `data`.
  148. // Later we will check if it was returned by `convert` method.
  149. data.modelRange = ModelRange.createOn( paragraph );
  150. } );
  151. // Use `additionalData` parameter to check if it was passed to the event.
  152. const conversionResult = dispatcher.convert( viewElement );
  153. // Check conversion result.
  154. // Result should be wrapped in document fragment.
  155. expect( conversionResult ).to.be.instanceof( ModelDocumentFragment );
  156. expect( conversionResult.getChild( 0 ).name ).to.equal( 'paragraph' );
  157. expect( spy.calledOnce ).to.be.true;
  158. } );
  159. it( 'should convert ViewDocumentFragment', () => {
  160. const spy = sinon.spy();
  161. const viewFragment = new ViewDocumentFragment();
  162. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  163. // Check if this method has been fired.
  164. spy();
  165. // Check correctness of passed parameters.
  166. expect( evt.name ).to.equal( 'documentFragment' );
  167. expect( data.viewItem ).to.equal( viewFragment );
  168. expect( data.cursorPosition ).to.instanceof( ModelPosition );
  169. // Check whether consumable has appropriate value to consume.
  170. expect( conversionApi.consumable.consume( data.viewItem ) ).to.be.true;
  171. // Check whether conversionApi of `dispatcher` has been passed.
  172. expect( conversionApi ).to.equal( dispatcher.conversionApi );
  173. const text = conversionApi.writer.createText( 'foo' );
  174. conversionApi.writer.insert( text, data.cursorPosition );
  175. // Set conversion result to `modelRange` property of `data`.
  176. // Later we will check if it was returned by `convert` method.
  177. data.modelRange = ModelRange.createOn( text );
  178. } );
  179. // Use `additionalData` parameter to check if it was passed to the event.
  180. const conversionResult = dispatcher.convert( viewFragment );
  181. // Check conversion result.
  182. expect( conversionResult ).to.be.instanceof( ModelDocumentFragment );
  183. expect( conversionResult.getChild( 0 ).data ).to.equal( 'foo' );
  184. expect( spy.calledOnce ).to.be.true;
  185. } );
  186. it( 'should remove empty elements that was created as a result of split', () => {
  187. const viewElement = new ViewContainerElement( 'p' );
  188. // To be sure that converter was called.
  189. const spy = sinon.spy();
  190. dispatcher.on( 'element', ( evt, data, conversionApi ) => {
  191. // First let's convert target element.
  192. const paragraph = conversionApi.writer.createElement( 'paragraph' );
  193. conversionApi.writer.insert( paragraph, data.cursorPosition );
  194. // Then add some elements and mark as split.
  195. // Create and insert empty split element before target element.
  196. const emptySplit = conversionApi.writer.createElement( 'paragraph' );
  197. conversionApi.writer.insert( emptySplit, ModelPosition.createAfter( paragraph ) );
  198. // Create and insert not empty split after target element.
  199. const notEmptySplit = conversionApi.writer.createElement( 'paragraph' );
  200. conversionApi.writer.appendText( 'foo', notEmptySplit );
  201. conversionApi.writer.insert( notEmptySplit, ModelPosition.createAfter( emptySplit ) );
  202. // Create and insert split with other split inside (both should be removed)
  203. const outerSplit = conversionApi.writer.createElement( 'paragraph' );
  204. const innerSplit = conversionApi.writer.createElement( 'paragraph' );
  205. conversionApi.writer.append( innerSplit, outerSplit );
  206. conversionApi.writer.insert( outerSplit, ModelPosition.createBefore( paragraph ) );
  207. dispatcher._splitElements.add( emptySplit );
  208. dispatcher._splitElements.add( notEmptySplit );
  209. dispatcher._splitElements.add( outerSplit );
  210. dispatcher._splitElements.add( innerSplit );
  211. data.modelRange = ModelRange.createOn( paragraph );
  212. data.cursorPosition = data.modelRange.end;
  213. // We have the following result:
  214. // <p><p></p></p>[<p></p>]<p></p><p>foo</p>
  215. // Everything out of selected range is a result of the split.
  216. spy();
  217. } );
  218. const result = dispatcher.convert( viewElement );
  219. // Empty split elements should be removed and we should have the following result:
  220. // [<p></p>]<p>foo</p>
  221. expect( result.childCount ).to.equal( 2 );
  222. expect( result.getChild( 0 ).name ).to.equal( 'paragraph' );
  223. expect( result.getChild( 0 ).childCount ).to.equal( 0 );
  224. expect( result.getChild( 1 ).name ).to.equal( 'paragraph' );
  225. expect( result.getChild( 1 ).childCount ).to.equal( 1 );
  226. expect( result.getChild( 1 ).getChild( 0 ).data ).to.equal( 'foo' );
  227. } );
  228. it( 'should extract temporary markers elements from converter element and create static markers list', () => {
  229. const viewFragment = new ViewDocumentFragment();
  230. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  231. // Create model fragment.
  232. const fragment = new ModelDocumentFragment( [
  233. new ModelText( 'fo' ),
  234. new ModelElement( '$marker', { 'data-name': 'marker1' } ),
  235. new ModelText( 'o' ),
  236. new ModelElement( '$marker', { 'data-name': 'marker2' } ),
  237. new ModelText( 'b' ),
  238. new ModelElement( '$marker', { 'data-name': 'marker1' } ),
  239. new ModelText( 'ar' ),
  240. ] );
  241. // Insert to conversion tree.
  242. conversionApi.writer.insert( fragment, data.cursorPosition );
  243. // Create range on this fragment as a conversion result.
  244. data.modelRange = ModelRange.createIn( data.cursorPosition.parent );
  245. } );
  246. const conversionResult = dispatcher.convert( viewFragment );
  247. expect( conversionResult.markers.size ).to.equal( 2 );
  248. const marker1 = conversionResult.markers.get( 'marker1' );
  249. const marker2 = conversionResult.markers.get( 'marker2' );
  250. expect( marker1.start.path ).to.deep.equal( [ 2 ] );
  251. expect( marker1.end.path ).to.deep.equal( [ 4 ] );
  252. expect( marker2.start.path ).to.deep.equal( marker2.end.path ).to.deep.equal( [ 3 ] );
  253. } );
  254. it( 'should convert according to given context', () => {
  255. dispatcher = new ViewConversionDispatcher( model, { schema: model.schema } );
  256. const spy = sinon.spy();
  257. const viewElement = new ViewContainerElement( 'third' );
  258. let checkChildResult;
  259. model.schema.register( 'first', {
  260. allowIn: '$root'
  261. } );
  262. model.schema.register( 'second', {
  263. allowIn: 'first'
  264. } );
  265. model.schema.register( 'third', {
  266. allowIn: 'second',
  267. disallowIn: 'first'
  268. } );
  269. dispatcher.on( 'element:third', ( evt, data, conversionApi ) => {
  270. spy();
  271. checkChildResult = conversionApi.schema.checkChild( data.cursorPosition, 'third' );
  272. } );
  273. // Default context $root.
  274. dispatcher.convert( viewElement );
  275. sinon.assert.calledOnce( spy );
  276. expect( checkChildResult ).to.false;
  277. // SchemaDefinition as context.
  278. dispatcher.convert( viewElement, [ 'first' ] );
  279. sinon.assert.calledTwice( spy );
  280. expect( checkChildResult ).to.false;
  281. // Position as context.
  282. const fragment = new ModelDocumentFragment( [
  283. new ModelElement( 'first', { foo: 'bar' }, [
  284. new ModelElement( 'second', null )
  285. ] )
  286. ] );
  287. dispatcher.convert( viewElement, new ModelPosition( fragment, [ 0, 0, 0 ] ) );
  288. sinon.assert.calledThrice( spy );
  289. expect( checkChildResult ).to.true;
  290. } );
  291. } );
  292. describe( 'conversionApi', () => {
  293. let spy, spyP, spyText, viewP, viewText, modelP, modelText, rootMock, dispatcher,
  294. spyNull, spyArray, viewDiv, viewNull, viewArray;
  295. beforeEach( () => {
  296. spy = sinon.spy();
  297. spyP = sinon.spy();
  298. spyText = sinon.spy();
  299. viewP = new ViewContainerElement( 'p' );
  300. viewText = new ViewText( 'foobar' );
  301. modelP = new ModelElement( 'paragraph' );
  302. modelText = new ModelText( 'foobar' );
  303. // Put nodes to documentFragment, this will mock root element and makes possible to create range on them.
  304. rootMock = new ModelDocumentFragment( [ modelP, modelText ] );
  305. dispatcher = new ViewConversionDispatcher( model, { schema: model.schema } );
  306. dispatcher.on( 'element:p', ( evt, data ) => {
  307. spyP();
  308. data.modelRange = ModelRange.createOn( modelP );
  309. data.cursorPosition = data.modelRange.end;
  310. } );
  311. dispatcher.on( 'text', ( evt, data ) => {
  312. spyText();
  313. data.modelRange = ModelRange.createOn( modelText );
  314. data.cursorPosition = data.modelRange.end;
  315. } );
  316. spyNull = sinon.spy();
  317. spyArray = sinon.spy();
  318. viewDiv = new ViewContainerElement( 'div' ); // Will not be recognized and not converted.
  319. viewNull = new ViewContainerElement( 'null' ); // Will return `null` in `data.modelRange` upon conversion.
  320. viewArray = new ViewContainerElement( 'array' ); // Will return an array in `data.modelRange` upon conversion.
  321. dispatcher.on( 'element:null', ( evt, data ) => {
  322. spyNull();
  323. data.modelRange = null;
  324. } );
  325. dispatcher.on( 'element:array', ( evt, data ) => {
  326. spyArray();
  327. data.modelRange = [ new ModelText( 'foo' ) ];
  328. } );
  329. } );
  330. describe( 'convertItem()', () => {
  331. it( 'should call proper converter and return correct data', () => {
  332. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  333. spy();
  334. const pResult = conversionApi.convertItem( viewP, data.cursorPosition );
  335. expect( pResult.modelRange ).instanceof( ModelRange );
  336. expect( pResult.modelRange.start.path ).to.deep.equal( [ 0 ] );
  337. expect( pResult.modelRange.end.path ).to.deep.equal( [ 1 ] );
  338. expect( first( pResult.modelRange.getItems() ) ).to.equal( modelP );
  339. expect( pResult.cursorPosition ).to.instanceof( ModelPosition );
  340. expect( pResult.cursorPosition.path ).to.deep.equal( [ 1 ] );
  341. const textResult = conversionApi.convertItem( viewText, data.cursorPosition );
  342. expect( textResult.modelRange ).instanceof( ModelRange );
  343. expect( textResult.modelRange.start.path ).to.deep.equal( [ 1 ] );
  344. expect( textResult.modelRange.end.path ).to.deep.equal( [ 7 ] );
  345. expect( first( textResult.modelRange.getItems() ) ).to.instanceof( ModelTextProxy );
  346. expect( first( textResult.modelRange.getItems() ).data ).to.equal( 'foobar' );
  347. expect( textResult.cursorPosition ).to.instanceof( ModelPosition );
  348. expect( textResult.cursorPosition.path ).to.deep.equal( [ 7 ] );
  349. } );
  350. dispatcher.convert( new ViewDocumentFragment() );
  351. expect( spy.calledOnce ).to.be.true;
  352. expect( spyP.calledOnce ).to.be.true;
  353. expect( spyText.calledOnce ).to.be.true;
  354. } );
  355. it( 'should do nothing if element was not converted', () => {
  356. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  357. spy();
  358. expect( conversionApi.convertItem( viewDiv, data.cursorPosition ).modelRange ).to.equal( null );
  359. expect( conversionApi.convertItem( viewNull, data.cursorPosition ).modelRange ).to.equal( null );
  360. } );
  361. dispatcher.convert( new ViewDocumentFragment() );
  362. expect( spy.calledOnce ).to.be.true;
  363. expect( spyNull.calledOnce ).to.be.true;
  364. } );
  365. it( 'should throw an error if element was incorrectly converted', () => {
  366. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  367. spy();
  368. conversionApi.convertItem( viewArray, data.cursorPosition );
  369. } );
  370. expect( () => {
  371. dispatcher.convert( new ViewDocumentFragment() );
  372. } ).to.throw( CKEditorError, /^view-conversion-dispatcher-incorrect-result/ );
  373. expect( spy.calledOnce ).to.be.true;
  374. expect( spyArray.calledOnce ).to.be.true;
  375. } );
  376. } );
  377. describe( 'convertChildren()', () => {
  378. it( 'should fire conversion for all children of passed element and return conversion results ' +
  379. 'wrapped in document fragment', () => {
  380. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  381. spy();
  382. const result = conversionApi.convertChildren( data.viewItem, ModelPosition.createAt( rootMock ) );
  383. expect( result.modelRange ).to.be.instanceof( ModelRange );
  384. expect( result.modelRange.start.path ).to.deep.equal( [ 0 ] );
  385. expect( result.modelRange.end.path ).to.deep.equal( [ 7 ] );
  386. expect( Array.from( result.modelRange.getItems() ) ).to.length( 2 );
  387. expect( Array.from( result.modelRange.getItems() )[ 0 ] ).to.equal( modelP );
  388. expect( Array.from( result.modelRange.getItems() )[ 1 ] ).to.instanceof( ModelTextProxy );
  389. expect( Array.from( result.modelRange.getItems() )[ 1 ].data ).to.equal( 'foobar' );
  390. expect( result.cursorPosition ).instanceof( ModelPosition );
  391. expect( result.cursorPosition.path ).to.deep.equal( [ 7 ] );
  392. } );
  393. dispatcher.convert( new ViewDocumentFragment( [ viewP, viewText ] ) );
  394. expect( spy.calledOnce ).to.be.true;
  395. expect( spyP.calledOnce ).to.be.true;
  396. expect( spyText.calledOnce ).to.be.true;
  397. } );
  398. } );
  399. describe( 'splitToAllowedParent()', () => {
  400. beforeEach( () => {
  401. model.schema.register( 'paragraph', {
  402. allowIn: '$root'
  403. } );
  404. } );
  405. it( 'should return current position if element is allowed on this position', () => {
  406. const spy = sinon.spy();
  407. model.schema.register( 'span', {
  408. allowIn: 'paragraph'
  409. } );
  410. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  411. const paragraph = conversionApi.writer.createElement( 'paragraph' );
  412. const span = conversionApi.writer.createElement( 'span' );
  413. const position = ModelPosition.createAt( paragraph );
  414. const result = conversionApi.splitToAllowedParent( span, position );
  415. expect( result ).to.deep.equal( { position } );
  416. spy();
  417. } );
  418. dispatcher.convert( new ViewDocumentFragment() );
  419. sinon.assert.calledOnce( spy );
  420. } );
  421. it( 'should split position to allowed ancestor if element is allowed in one of ancestors', () => {
  422. const spy = sinon.spy();
  423. model.schema.register( 'section', {
  424. allowIn: '$root'
  425. } );
  426. model.schema.register( 'span', {
  427. allowIn: 'paragraph'
  428. } );
  429. model.schema.extend( 'paragraph', {
  430. allowIn: 'section'
  431. } );
  432. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  433. const section = conversionApi.writer.createElement( 'section' );
  434. const paragraph = conversionApi.writer.createElement( 'paragraph' );
  435. const span = conversionApi.writer.createElement( 'span' );
  436. conversionApi.writer.insert( paragraph, section );
  437. conversionApi.writer.insert( span, paragraph );
  438. const position = ModelPosition.createAt( span );
  439. const paragraph2 = conversionApi.writer.createElement( 'paragraph' );
  440. const result = conversionApi.splitToAllowedParent( paragraph2, position );
  441. expect( result ).to.deep.equal( {
  442. position: ModelPosition.createAfter( paragraph ),
  443. cursorParent: paragraph.parent.getChild( 1 ).getChild( 0 )
  444. } );
  445. spy();
  446. } );
  447. dispatcher.convert( new ViewDocumentFragment() );
  448. sinon.assert.calledOnce( spy );
  449. } );
  450. it( 'should return null if element is not allowed in position and any of ancestors', () => {
  451. const spy = sinon.spy();
  452. model.schema.register( 'span' );
  453. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  454. const paragraph = conversionApi.writer.createElement( 'paragraph' );
  455. const span = conversionApi.writer.createElement( 'span' );
  456. const position = ModelPosition.createAt( paragraph );
  457. const result = conversionApi.splitToAllowedParent( span, position );
  458. expect( result ).to.null;
  459. spy();
  460. } );
  461. dispatcher.convert( new ViewDocumentFragment() );
  462. sinon.assert.calledOnce( spy );
  463. } );
  464. } );
  465. } );
  466. } );