viewconversiondispatcher.js 23 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._removeIfEmpty ).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.store ).to.not.ok;
  52. expect( dispatcher._removeIfEmpty.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.store ).to.deep.equal( {} );
  57. expect( dispatcher._removeIfEmpty.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.store.foo = 'bar';
  62. // Add empty element and mark as a split result to check in next converter.
  63. dispatcher._removeIfEmpty.add( conversionApi.writer.createElement( 'paragraph' ) );
  64. // Convert children - this will call second converter.
  65. conversionApi.convertChildren( data.viewItem, data.modelCursor );
  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.store ).to.deep.equal( { foo: 'bar' } );
  73. // Split element is remembered as well.
  74. expect( dispatcher._removeIfEmpty.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.store ).to.not.ok;
  83. expect( dispatcher._removeIfEmpty.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.modelCursor ).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.modelCursor );
  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.modelCursor ).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.modelCursor );
  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.modelCursor ).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.modelCursor );
  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. const conversionResult = dispatcher.convert( viewFragment );
  180. // Check conversion result.
  181. expect( conversionResult ).to.be.instanceof( ModelDocumentFragment );
  182. expect( conversionResult.getChild( 0 ).data ).to.equal( 'foo' );
  183. expect( spy.calledOnce ).to.be.true;
  184. } );
  185. it( 'should remove empty elements that was created as a result of split', () => {
  186. const viewElement = new ViewContainerElement( 'p' );
  187. // To be sure that converter was called.
  188. const spy = sinon.spy();
  189. dispatcher.on( 'element', ( evt, data, conversionApi ) => {
  190. // First let's convert target element.
  191. const paragraph = conversionApi.writer.createElement( 'paragraph' );
  192. conversionApi.writer.insert( paragraph, data.modelCursor );
  193. // Then add some elements and mark as split.
  194. // Create and insert empty split element before target element.
  195. const emptySplit = conversionApi.writer.createElement( 'paragraph' );
  196. conversionApi.writer.insert( emptySplit, ModelPosition.createAfter( paragraph ) );
  197. // Create and insert not empty split after target element.
  198. const notEmptySplit = conversionApi.writer.createElement( 'paragraph' );
  199. conversionApi.writer.appendText( 'foo', notEmptySplit );
  200. conversionApi.writer.insert( notEmptySplit, ModelPosition.createAfter( emptySplit ) );
  201. // Create and insert split with other split inside (both should be removed)
  202. const outerSplit = conversionApi.writer.createElement( 'paragraph' );
  203. const innerSplit = conversionApi.writer.createElement( 'paragraph' );
  204. conversionApi.writer.append( innerSplit, outerSplit );
  205. conversionApi.writer.insert( outerSplit, ModelPosition.createBefore( paragraph ) );
  206. dispatcher._removeIfEmpty.add( emptySplit );
  207. dispatcher._removeIfEmpty.add( notEmptySplit );
  208. dispatcher._removeIfEmpty.add( outerSplit );
  209. dispatcher._removeIfEmpty.add( innerSplit );
  210. data.modelRange = ModelRange.createOn( paragraph );
  211. data.modelCursor = data.modelRange.end;
  212. // We have the following result:
  213. // <p><p></p></p>[<p></p>]<p></p><p>foo</p>
  214. // Everything out of selected range is a result of the split.
  215. spy();
  216. } );
  217. const result = dispatcher.convert( viewElement );
  218. // Empty split elements should be removed and we should have the following result:
  219. // [<p></p>]<p>foo</p>
  220. expect( result.childCount ).to.equal( 2 );
  221. expect( result.getChild( 0 ).name ).to.equal( 'paragraph' );
  222. expect( result.getChild( 0 ).childCount ).to.equal( 0 );
  223. expect( result.getChild( 1 ).name ).to.equal( 'paragraph' );
  224. expect( result.getChild( 1 ).childCount ).to.equal( 1 );
  225. expect( result.getChild( 1 ).getChild( 0 ).data ).to.equal( 'foo' );
  226. } );
  227. it( 'should extract temporary markers elements from converter element and create static markers list', () => {
  228. const viewFragment = new ViewDocumentFragment();
  229. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  230. // Create model fragment.
  231. const fragment = new ModelDocumentFragment( [
  232. new ModelText( 'fo' ),
  233. new ModelElement( '$marker', { 'data-name': 'marker1' } ),
  234. new ModelText( 'o' ),
  235. new ModelElement( '$marker', { 'data-name': 'marker2' } ),
  236. new ModelText( 'b' ),
  237. new ModelElement( '$marker', { 'data-name': 'marker1' } ),
  238. new ModelText( 'ar' ),
  239. ] );
  240. // Insert to conversion tree.
  241. conversionApi.writer.insert( fragment, data.modelCursor );
  242. // Create range on this fragment as a conversion result.
  243. data.modelRange = ModelRange.createIn( data.modelCursor.parent );
  244. } );
  245. const conversionResult = dispatcher.convert( viewFragment );
  246. expect( conversionResult.markers.size ).to.equal( 2 );
  247. const marker1 = conversionResult.markers.get( 'marker1' );
  248. const marker2 = conversionResult.markers.get( 'marker2' );
  249. expect( marker1.start.path ).to.deep.equal( [ 2 ] );
  250. expect( marker1.end.path ).to.deep.equal( [ 4 ] );
  251. expect( marker2.start.path ).to.deep.equal( marker2.end.path ).to.deep.equal( [ 3 ] );
  252. } );
  253. it( 'should convert according to given context', () => {
  254. dispatcher = new ViewConversionDispatcher( model, { schema: model.schema } );
  255. const spy = sinon.spy();
  256. const viewElement = new ViewContainerElement( 'third' );
  257. let checkChildResult;
  258. model.schema.register( 'first', {
  259. allowIn: '$root'
  260. } );
  261. model.schema.register( 'second', {
  262. allowIn: 'first'
  263. } );
  264. model.schema.register( 'third', {
  265. allowIn: 'second',
  266. disallowIn: 'first'
  267. } );
  268. dispatcher.on( 'element:third', ( evt, data, conversionApi ) => {
  269. spy();
  270. checkChildResult = conversionApi.schema.checkChild( data.modelCursor, 'third' );
  271. } );
  272. // Default context $root.
  273. dispatcher.convert( viewElement );
  274. sinon.assert.calledOnce( spy );
  275. expect( checkChildResult ).to.false;
  276. // SchemaDefinition as context.
  277. dispatcher.convert( viewElement, [ 'first' ] );
  278. sinon.assert.calledTwice( spy );
  279. expect( checkChildResult ).to.false;
  280. // Position as context.
  281. const fragment = new ModelDocumentFragment( [
  282. new ModelElement( 'first', { foo: 'bar' }, [
  283. new ModelElement( 'second', null )
  284. ] )
  285. ] );
  286. dispatcher.convert( viewElement, new ModelPosition( fragment, [ 0, 0, 0 ] ) );
  287. sinon.assert.calledThrice( spy );
  288. expect( checkChildResult ).to.true;
  289. } );
  290. } );
  291. describe( 'conversionApi', () => {
  292. let spy, spyP, spyText, viewP, viewText, modelP, modelText, rootMock, dispatcher,
  293. spyNull, spyArray, viewDiv, viewNull, viewArray;
  294. beforeEach( () => {
  295. spy = sinon.spy();
  296. spyP = sinon.spy();
  297. spyText = sinon.spy();
  298. viewP = new ViewContainerElement( 'p' );
  299. viewText = new ViewText( 'foobar' );
  300. modelP = new ModelElement( 'paragraph' );
  301. modelText = new ModelText( 'foobar' );
  302. // Put nodes to documentFragment, this will mock root element and makes possible to create range on them.
  303. rootMock = new ModelDocumentFragment( [ modelP, modelText ] );
  304. dispatcher = new ViewConversionDispatcher( model, { schema: model.schema } );
  305. dispatcher.on( 'element:p', ( evt, data ) => {
  306. spyP();
  307. data.modelRange = ModelRange.createOn( modelP );
  308. data.modelCursor = data.modelRange.end;
  309. } );
  310. dispatcher.on( 'text', ( evt, data ) => {
  311. spyText();
  312. data.modelRange = ModelRange.createOn( modelText );
  313. data.modelCursor = data.modelRange.end;
  314. } );
  315. spyNull = sinon.spy();
  316. spyArray = sinon.spy();
  317. viewDiv = new ViewContainerElement( 'div' ); // Will not be recognized and not converted.
  318. viewNull = new ViewContainerElement( 'null' ); // Will return `null` in `data.modelRange` upon conversion.
  319. viewArray = new ViewContainerElement( 'array' ); // Will return an array in `data.modelRange` upon conversion.
  320. dispatcher.on( 'element:null', ( evt, data ) => {
  321. spyNull();
  322. data.modelRange = null;
  323. } );
  324. dispatcher.on( 'element:array', ( evt, data ) => {
  325. spyArray();
  326. data.modelRange = [ new ModelText( 'foo' ) ];
  327. } );
  328. } );
  329. describe( 'convertItem()', () => {
  330. it( 'should call proper converter and return correct data', () => {
  331. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  332. spy();
  333. const pResult = conversionApi.convertItem( viewP, data.modelCursor );
  334. expect( pResult.modelRange ).instanceof( ModelRange );
  335. expect( pResult.modelRange.start.path ).to.deep.equal( [ 0 ] );
  336. expect( pResult.modelRange.end.path ).to.deep.equal( [ 1 ] );
  337. expect( first( pResult.modelRange.getItems() ) ).to.equal( modelP );
  338. expect( pResult.modelCursor ).to.instanceof( ModelPosition );
  339. expect( pResult.modelCursor.path ).to.deep.equal( [ 1 ] );
  340. const textResult = conversionApi.convertItem( viewText, data.modelCursor );
  341. expect( textResult.modelRange ).instanceof( ModelRange );
  342. expect( textResult.modelRange.start.path ).to.deep.equal( [ 1 ] );
  343. expect( textResult.modelRange.end.path ).to.deep.equal( [ 7 ] );
  344. expect( first( textResult.modelRange.getItems() ) ).to.instanceof( ModelTextProxy );
  345. expect( first( textResult.modelRange.getItems() ).data ).to.equal( 'foobar' );
  346. expect( textResult.modelCursor ).to.instanceof( ModelPosition );
  347. expect( textResult.modelCursor.path ).to.deep.equal( [ 7 ] );
  348. } );
  349. dispatcher.convert( new ViewDocumentFragment() );
  350. expect( spy.calledOnce ).to.be.true;
  351. expect( spyP.calledOnce ).to.be.true;
  352. expect( spyText.calledOnce ).to.be.true;
  353. } );
  354. it( 'should do nothing if element was not converted', () => {
  355. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  356. spy();
  357. expect( conversionApi.convertItem( viewDiv, data.modelCursor ).modelRange ).to.equal( null );
  358. expect( conversionApi.convertItem( viewNull, data.modelCursor ).modelRange ).to.equal( null );
  359. } );
  360. dispatcher.convert( new ViewDocumentFragment() );
  361. expect( spy.calledOnce ).to.be.true;
  362. expect( spyNull.calledOnce ).to.be.true;
  363. } );
  364. it( 'should throw an error if element was incorrectly converted', () => {
  365. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  366. spy();
  367. conversionApi.convertItem( viewArray, data.modelCursor );
  368. } );
  369. expect( () => {
  370. dispatcher.convert( new ViewDocumentFragment() );
  371. } ).to.throw( CKEditorError, /^view-conversion-dispatcher-incorrect-result/ );
  372. expect( spy.calledOnce ).to.be.true;
  373. expect( spyArray.calledOnce ).to.be.true;
  374. } );
  375. } );
  376. describe( 'convertChildren()', () => {
  377. it( 'should fire conversion for all children of passed element and return conversion results ' +
  378. 'wrapped in document fragment', () => {
  379. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  380. spy();
  381. const result = conversionApi.convertChildren( data.viewItem, ModelPosition.createAt( rootMock ) );
  382. expect( result.modelRange ).to.be.instanceof( ModelRange );
  383. expect( result.modelRange.start.path ).to.deep.equal( [ 0 ] );
  384. expect( result.modelRange.end.path ).to.deep.equal( [ 7 ] );
  385. expect( Array.from( result.modelRange.getItems() ) ).to.length( 2 );
  386. expect( Array.from( result.modelRange.getItems() )[ 0 ] ).to.equal( modelP );
  387. expect( Array.from( result.modelRange.getItems() )[ 1 ] ).to.instanceof( ModelTextProxy );
  388. expect( Array.from( result.modelRange.getItems() )[ 1 ].data ).to.equal( 'foobar' );
  389. expect( result.modelCursor ).instanceof( ModelPosition );
  390. expect( result.modelCursor.path ).to.deep.equal( [ 7 ] );
  391. } );
  392. dispatcher.convert( new ViewDocumentFragment( [ viewP, viewText ] ) );
  393. expect( spy.calledOnce ).to.be.true;
  394. expect( spyP.calledOnce ).to.be.true;
  395. expect( spyText.calledOnce ).to.be.true;
  396. } );
  397. } );
  398. describe( 'splitToAllowedParent()', () => {
  399. beforeEach( () => {
  400. model.schema.register( 'paragraph', {
  401. allowIn: '$root'
  402. } );
  403. } );
  404. it( 'should return current position if element is allowed on this position', () => {
  405. const spy = sinon.spy();
  406. model.schema.register( 'span', {
  407. allowIn: 'paragraph'
  408. } );
  409. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  410. const paragraph = conversionApi.writer.createElement( 'paragraph' );
  411. const span = conversionApi.writer.createElement( 'span' );
  412. const position = ModelPosition.createAt( paragraph );
  413. const result = conversionApi.splitToAllowedParent( span, position );
  414. expect( result ).to.deep.equal( { position } );
  415. spy();
  416. } );
  417. dispatcher.convert( new ViewDocumentFragment() );
  418. sinon.assert.calledOnce( spy );
  419. } );
  420. it( 'should split position to allowed ancestor if element is allowed in one of ancestors', () => {
  421. const spy = sinon.spy();
  422. model.schema.register( 'section', {
  423. allowIn: '$root'
  424. } );
  425. model.schema.register( 'span', {
  426. allowIn: 'paragraph'
  427. } );
  428. model.schema.extend( 'paragraph', {
  429. allowIn: 'section'
  430. } );
  431. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  432. const section = conversionApi.writer.createElement( 'section' );
  433. const paragraph = conversionApi.writer.createElement( 'paragraph' );
  434. const span = conversionApi.writer.createElement( 'span' );
  435. conversionApi.writer.insert( paragraph, section );
  436. conversionApi.writer.insert( span, paragraph );
  437. const position = ModelPosition.createAt( span );
  438. const paragraph2 = conversionApi.writer.createElement( 'paragraph' );
  439. const result = conversionApi.splitToAllowedParent( paragraph2, position );
  440. expect( result ).to.deep.equal( {
  441. position: ModelPosition.createAfter( paragraph ),
  442. cursorParent: paragraph.parent.getChild( 1 ).getChild( 0 )
  443. } );
  444. spy();
  445. } );
  446. dispatcher.convert( new ViewDocumentFragment() );
  447. sinon.assert.calledOnce( spy );
  448. } );
  449. it( 'should return null if element is not allowed in position and any of ancestors', () => {
  450. const spy = sinon.spy();
  451. model.schema.register( 'span' );
  452. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  453. const paragraph = conversionApi.writer.createElement( 'paragraph' );
  454. const span = conversionApi.writer.createElement( 'span' );
  455. const position = ModelPosition.createAt( paragraph );
  456. const result = conversionApi.splitToAllowedParent( span, position );
  457. expect( result ).to.null;
  458. spy();
  459. } );
  460. dispatcher.convert( new ViewDocumentFragment() );
  461. sinon.assert.calledOnce( spy );
  462. } );
  463. it( 'should return null if element is not allowed in position and any of ancestors but is allowed in context tree', () => {
  464. const spy = sinon.spy();
  465. model.schema.register( 'div', {
  466. allowIn: '$root',
  467. } );
  468. dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
  469. const code = conversionApi.writer.createElement( 'div' );
  470. const result = conversionApi.splitToAllowedParent( code, data.modelCursor );
  471. expect( result ).to.null;
  472. spy();
  473. } );
  474. dispatcher.convert( new ViewDocumentFragment(), [ '$root', 'paragraph' ] );
  475. sinon.assert.calledOnce( spy );
  476. } );
  477. } );
  478. } );
  479. } );