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- /**
- * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- import ViewConversionDispatcher from '../../src/conversion/viewconversiondispatcher';
- import ViewContainerElement from '../../src/view/containerelement';
- import ViewDocumentFragment from '../../src/view/documentfragment';
- import ViewText from '../../src/view/text';
- import Model from '../../src/model/model';
- import ModelText from '../../src/model/text';
- import ModelTextProxy from '../../src/model/textproxy';
- import ModelElement from '../../src/model/element';
- import ModelDocumentFragment from '../../src/model/documentfragment';
- import ModelPosition from '../../src/model/position';
- import ModelRange from '../../src/model/range';
- import ModelWriter from '../../src/model/writer';
- import first from '@ckeditor/ckeditor5-utils/src/first';
- import CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';
- describe( 'ViewConversionDispatcher', () => {
- let model;
- beforeEach( () => {
- model = new Model();
- } );
- describe( 'constructor()', () => {
- it( 'should create ViewConversionDispatcher with passed api', () => {
- const apiObj = {};
- const dispatcher = new ViewConversionDispatcher( model, { apiObj } );
- expect( dispatcher.conversionApi.apiObj ).to.equal( apiObj );
- expect( dispatcher.conversionApi ).to.have.property( 'convertItem' ).that.is.instanceof( Function );
- expect( dispatcher.conversionApi ).to.have.property( 'convertChildren' ).that.is.instanceof( Function );
- expect( dispatcher.conversionApi ).to.have.property( 'splitToAllowedParent' ).that.is.instanceof( Function );
- } );
- it( 'should have properties', () => {
- const dispatcher = new ViewConversionDispatcher( model );
- expect( dispatcher._removeIfEmpty ).to.instanceof( Set );
- } );
- } );
- describe( 'convert()', () => {
- let dispatcher;
- beforeEach( () => {
- dispatcher = new ViewConversionDispatcher( model );
- } );
- it( 'should create api for current conversion process', () => {
- const viewElement = new ViewContainerElement( 'p', null, new ViewText( 'foobar' ) );
- // To be sure that both converters was called.
- const spy = sinon.spy();
- // To check that the same writer instance.
- let writer;
- // Conversion process properties should be undefined/empty before conversion.
- expect( dispatcher.conversionApi.writer ).to.not.ok;
- expect( dispatcher.conversionApi.store ).to.not.ok;
- expect( dispatcher._removeIfEmpty.size ).to.equal( 0 );
- dispatcher.on( 'element', ( evt, data, conversionApi ) => {
- // Check conversion api params.
- expect( conversionApi.writer ).to.instanceof( ModelWriter );
- expect( conversionApi.store ).to.deep.equal( {} );
- expect( dispatcher._removeIfEmpty.size ).to.equal( 0 );
- // Remember writer to check in next converter that is exactly the same instance (the same undo step).
- writer = conversionApi.writer;
- // Add some data to conversion storage to verify them in next converter.
- conversionApi.store.foo = 'bar';
- // Add empty element and mark as a split result to check in next converter.
- dispatcher._removeIfEmpty.add( conversionApi.writer.createElement( 'paragraph' ) );
- // Convert children - this will call second converter.
- conversionApi.convertChildren( data.viewItem, data.modelCursor );
- spy();
- } );
- dispatcher.on( 'text', ( evt, data, conversionApi ) => {
- // The same writer is used in converters during one conversion.
- expect( conversionApi.writer ).to.equal( writer );
- // Data set by previous converter are remembered.
- expect( conversionApi.store ).to.deep.equal( { foo: 'bar' } );
- // Split element is remembered as well.
- expect( dispatcher._removeIfEmpty.size ).to.equal( 1 );
- spy();
- } );
- dispatcher.convert( viewElement );
- // To be sure that both converters was called.
- sinon.assert.calledTwice( spy );
- // Conversion process properties should be cleared after conversion.
- expect( dispatcher.conversionApi.writer ).to.not.ok;
- expect( dispatcher.conversionApi.store ).to.not.ok;
- expect( dispatcher._removeIfEmpty.size ).to.equal( 0 );
- } );
- it( 'should fire viewCleanup event on converted view part', () => {
- sinon.spy( dispatcher, 'fire' );
- const viewP = new ViewContainerElement( 'p' );
- dispatcher.convert( viewP );
- expect( dispatcher.fire.calledWith( 'viewCleanup', viewP ) ).to.be.true;
- } );
- it( 'should fire proper events', () => {
- const viewText = new ViewText( 'foobar' );
- const viewElement = new ViewContainerElement( 'p', null, viewText );
- const viewFragment = new ViewDocumentFragment( viewElement );
- sinon.spy( dispatcher, 'fire' );
- dispatcher.convert( viewText );
- dispatcher.convert( viewElement );
- dispatcher.convert( viewFragment );
- expect( dispatcher.fire.calledWith( 'text' ) ).to.be.true;
- expect( dispatcher.fire.calledWith( 'element:p' ) ).to.be.true;
- expect( dispatcher.fire.calledWith( 'documentFragment' ) ).to.be.true;
- } );
- it( 'should convert ViewText', () => {
- const spy = sinon.spy();
- const viewText = new ViewText( 'foobar' );
- dispatcher.on( 'text', ( evt, data, conversionApi ) => {
- // Check if this method has been fired.
- spy();
- // Check correctness of passed parameters.
- expect( evt.name ).to.equal( 'text' );
- expect( data.viewItem ).to.equal( viewText );
- expect( data.modelCursor ).to.instanceof( ModelPosition );
- // Check whether consumable has appropriate value to consume.
- expect( conversionApi.consumable.consume( data.viewItem ) ).to.be.true;
- // Check whether conversionApi of `dispatcher` has been passed.
- expect( conversionApi ).to.equal( dispatcher.conversionApi );
- const text = conversionApi.writer.createText( data.viewItem.data );
- conversionApi.writer.insert( text, data.modelCursor );
- // Set conversion result to `modelRange` property of `data`.
- // Later we will check if it was returned by `convert` method.
- data.modelRange = ModelRange.createOn( text );
- } );
- const conversionResult = dispatcher.convert( viewText );
- // Check conversion result.
- // Result should be wrapped in document fragment.
- expect( conversionResult ).to.be.instanceof( ModelDocumentFragment );
- expect( conversionResult.getChild( 0 ).data ).to.equal( 'foobar' );
- expect( spy.calledOnce ).to.be.true;
- } );
- it( 'should convert ViewContainerElement', () => {
- const spy = sinon.spy();
- const viewElement = new ViewContainerElement( 'p', { attrKey: 'attrValue' } );
- dispatcher.on( 'element', ( evt, data, conversionApi ) => {
- // Check if this method has been fired.
- spy();
- // Check correctness of passed parameters.
- expect( evt.name ).to.equal( 'element:p' );
- expect( data.viewItem ).to.equal( viewElement );
- expect( data.modelCursor ).to.instanceof( ModelPosition );
- // Check whether consumable has appropriate value to consume.
- expect( conversionApi.consumable.consume( data.viewItem, { name: true } ) ).to.be.true;
- expect( conversionApi.consumable.consume( data.viewItem, { attribute: 'attrKey' } ) ).to.be.true;
- // Check whether conversionApi of `dispatcher` has been passed.
- expect( conversionApi ).to.equal( dispatcher.conversionApi );
- const paragraph = conversionApi.writer.createElement( 'paragraph' );
- conversionApi.writer.insert( paragraph, data.modelCursor );
- // Set conversion result to `modelRange` property of `data`.
- // Later we will check if it was returned by `convert` method.
- data.modelRange = ModelRange.createOn( paragraph );
- } );
- // Use `additionalData` parameter to check if it was passed to the event.
- const conversionResult = dispatcher.convert( viewElement );
- // Check conversion result.
- // Result should be wrapped in document fragment.
- expect( conversionResult ).to.be.instanceof( ModelDocumentFragment );
- expect( conversionResult.getChild( 0 ).name ).to.equal( 'paragraph' );
- expect( spy.calledOnce ).to.be.true;
- } );
- it( 'should convert ViewDocumentFragment', () => {
- const spy = sinon.spy();
- const viewFragment = new ViewDocumentFragment();
- dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
- // Check if this method has been fired.
- spy();
- // Check correctness of passed parameters.
- expect( evt.name ).to.equal( 'documentFragment' );
- expect( data.viewItem ).to.equal( viewFragment );
- expect( data.modelCursor ).to.instanceof( ModelPosition );
- // Check whether consumable has appropriate value to consume.
- expect( conversionApi.consumable.consume( data.viewItem ) ).to.be.true;
- // Check whether conversionApi of `dispatcher` has been passed.
- expect( conversionApi ).to.equal( dispatcher.conversionApi );
- const text = conversionApi.writer.createText( 'foo' );
- conversionApi.writer.insert( text, data.modelCursor );
- // Set conversion result to `modelRange` property of `data`.
- // Later we will check if it was returned by `convert` method.
- data.modelRange = ModelRange.createOn( text );
- } );
- const conversionResult = dispatcher.convert( viewFragment );
- // Check conversion result.
- expect( conversionResult ).to.be.instanceof( ModelDocumentFragment );
- expect( conversionResult.getChild( 0 ).data ).to.equal( 'foo' );
- expect( spy.calledOnce ).to.be.true;
- } );
- it( 'should remove empty elements that was created as a result of split', () => {
- const viewElement = new ViewContainerElement( 'p' );
- // To be sure that converter was called.
- const spy = sinon.spy();
- dispatcher.on( 'element', ( evt, data, conversionApi ) => {
- // First let's convert target element.
- const paragraph = conversionApi.writer.createElement( 'paragraph' );
- conversionApi.writer.insert( paragraph, data.modelCursor );
- // Then add some elements and mark as split.
- // Create and insert empty split element before target element.
- const emptySplit = conversionApi.writer.createElement( 'paragraph' );
- conversionApi.writer.insert( emptySplit, ModelPosition.createAfter( paragraph ) );
- // Create and insert not empty split after target element.
- const notEmptySplit = conversionApi.writer.createElement( 'paragraph' );
- conversionApi.writer.appendText( 'foo', notEmptySplit );
- conversionApi.writer.insert( notEmptySplit, ModelPosition.createAfter( emptySplit ) );
- // Create and insert split with other split inside (both should be removed)
- const outerSplit = conversionApi.writer.createElement( 'paragraph' );
- const innerSplit = conversionApi.writer.createElement( 'paragraph' );
- conversionApi.writer.append( innerSplit, outerSplit );
- conversionApi.writer.insert( outerSplit, ModelPosition.createBefore( paragraph ) );
- dispatcher._removeIfEmpty.add( emptySplit );
- dispatcher._removeIfEmpty.add( notEmptySplit );
- dispatcher._removeIfEmpty.add( outerSplit );
- dispatcher._removeIfEmpty.add( innerSplit );
- data.modelRange = ModelRange.createOn( paragraph );
- data.modelCursor = data.modelRange.end;
- // We have the following result:
- // <p><p></p></p>[<p></p>]<p></p><p>foo</p>
- // Everything out of selected range is a result of the split.
- spy();
- } );
- const result = dispatcher.convert( viewElement );
- // Empty split elements should be removed and we should have the following result:
- // [<p></p>]<p>foo</p>
- expect( result.childCount ).to.equal( 2 );
- expect( result.getChild( 0 ).name ).to.equal( 'paragraph' );
- expect( result.getChild( 0 ).childCount ).to.equal( 0 );
- expect( result.getChild( 1 ).name ).to.equal( 'paragraph' );
- expect( result.getChild( 1 ).childCount ).to.equal( 1 );
- expect( result.getChild( 1 ).getChild( 0 ).data ).to.equal( 'foo' );
- } );
- it( 'should extract temporary markers elements from converter element and create static markers list', () => {
- const viewFragment = new ViewDocumentFragment();
- dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
- // Create model fragment.
- const fragment = new ModelDocumentFragment( [
- new ModelText( 'fo' ),
- new ModelElement( '$marker', { 'data-name': 'marker1' } ),
- new ModelText( 'o' ),
- new ModelElement( '$marker', { 'data-name': 'marker2' } ),
- new ModelText( 'b' ),
- new ModelElement( '$marker', { 'data-name': 'marker1' } ),
- new ModelText( 'ar' ),
- ] );
- // Insert to conversion tree.
- conversionApi.writer.insert( fragment, data.modelCursor );
- // Create range on this fragment as a conversion result.
- data.modelRange = ModelRange.createIn( data.modelCursor.parent );
- } );
- const conversionResult = dispatcher.convert( viewFragment );
- expect( conversionResult.markers.size ).to.equal( 2 );
- const marker1 = conversionResult.markers.get( 'marker1' );
- const marker2 = conversionResult.markers.get( 'marker2' );
- expect( marker1.start.path ).to.deep.equal( [ 2 ] );
- expect( marker1.end.path ).to.deep.equal( [ 4 ] );
- expect( marker2.start.path ).to.deep.equal( marker2.end.path ).to.deep.equal( [ 3 ] );
- } );
- it( 'should convert according to given context', () => {
- dispatcher = new ViewConversionDispatcher( model, { schema: model.schema } );
- const spy = sinon.spy();
- const viewElement = new ViewContainerElement( 'third' );
- let checkChildResult;
- model.schema.register( 'first', {
- allowIn: '$root'
- } );
- model.schema.register( 'second', {
- allowIn: 'first'
- } );
- model.schema.register( 'third', {
- allowIn: 'second',
- disallowIn: 'first'
- } );
- dispatcher.on( 'element:third', ( evt, data, conversionApi ) => {
- spy();
- checkChildResult = conversionApi.schema.checkChild( data.modelCursor, 'third' );
- } );
- // Default context $root.
- dispatcher.convert( viewElement );
- sinon.assert.calledOnce( spy );
- expect( checkChildResult ).to.false;
- // SchemaDefinition as context.
- dispatcher.convert( viewElement, [ 'first' ] );
- sinon.assert.calledTwice( spy );
- expect( checkChildResult ).to.false;
- // Position as context.
- const fragment = new ModelDocumentFragment( [
- new ModelElement( 'first', { foo: 'bar' }, [
- new ModelElement( 'second', null )
- ] )
- ] );
- dispatcher.convert( viewElement, new ModelPosition( fragment, [ 0, 0, 0 ] ) );
- sinon.assert.calledThrice( spy );
- expect( checkChildResult ).to.true;
- } );
- } );
- describe( 'conversionApi', () => {
- let spy, spyP, spyText, viewP, viewText, modelP, modelText, rootMock, dispatcher,
- spyNull, spyArray, viewDiv, viewNull, viewArray;
- beforeEach( () => {
- spy = sinon.spy();
- spyP = sinon.spy();
- spyText = sinon.spy();
- viewP = new ViewContainerElement( 'p' );
- viewText = new ViewText( 'foobar' );
- modelP = new ModelElement( 'paragraph' );
- modelText = new ModelText( 'foobar' );
- // Put nodes to documentFragment, this will mock root element and makes possible to create range on them.
- rootMock = new ModelDocumentFragment( [ modelP, modelText ] );
- dispatcher = new ViewConversionDispatcher( model, { schema: model.schema } );
- dispatcher.on( 'element:p', ( evt, data ) => {
- spyP();
- data.modelRange = ModelRange.createOn( modelP );
- data.modelCursor = data.modelRange.end;
- } );
- dispatcher.on( 'text', ( evt, data ) => {
- spyText();
- data.modelRange = ModelRange.createOn( modelText );
- data.modelCursor = data.modelRange.end;
- } );
- spyNull = sinon.spy();
- spyArray = sinon.spy();
- viewDiv = new ViewContainerElement( 'div' ); // Will not be recognized and not converted.
- viewNull = new ViewContainerElement( 'null' ); // Will return `null` in `data.modelRange` upon conversion.
- viewArray = new ViewContainerElement( 'array' ); // Will return an array in `data.modelRange` upon conversion.
- dispatcher.on( 'element:null', ( evt, data ) => {
- spyNull();
- data.modelRange = null;
- } );
- dispatcher.on( 'element:array', ( evt, data ) => {
- spyArray();
- data.modelRange = [ new ModelText( 'foo' ) ];
- } );
- } );
- describe( 'convertItem()', () => {
- it( 'should call proper converter and return correct data', () => {
- dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
- spy();
- const pResult = conversionApi.convertItem( viewP, data.modelCursor );
- expect( pResult.modelRange ).instanceof( ModelRange );
- expect( pResult.modelRange.start.path ).to.deep.equal( [ 0 ] );
- expect( pResult.modelRange.end.path ).to.deep.equal( [ 1 ] );
- expect( first( pResult.modelRange.getItems() ) ).to.equal( modelP );
- expect( pResult.modelCursor ).to.instanceof( ModelPosition );
- expect( pResult.modelCursor.path ).to.deep.equal( [ 1 ] );
- const textResult = conversionApi.convertItem( viewText, data.modelCursor );
- expect( textResult.modelRange ).instanceof( ModelRange );
- expect( textResult.modelRange.start.path ).to.deep.equal( [ 1 ] );
- expect( textResult.modelRange.end.path ).to.deep.equal( [ 7 ] );
- expect( first( textResult.modelRange.getItems() ) ).to.instanceof( ModelTextProxy );
- expect( first( textResult.modelRange.getItems() ).data ).to.equal( 'foobar' );
- expect( textResult.modelCursor ).to.instanceof( ModelPosition );
- expect( textResult.modelCursor.path ).to.deep.equal( [ 7 ] );
- } );
- dispatcher.convert( new ViewDocumentFragment() );
- expect( spy.calledOnce ).to.be.true;
- expect( spyP.calledOnce ).to.be.true;
- expect( spyText.calledOnce ).to.be.true;
- } );
- it( 'should do nothing if element was not converted', () => {
- dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
- spy();
- expect( conversionApi.convertItem( viewDiv, data.modelCursor ).modelRange ).to.equal( null );
- expect( conversionApi.convertItem( viewNull, data.modelCursor ).modelRange ).to.equal( null );
- } );
- dispatcher.convert( new ViewDocumentFragment() );
- expect( spy.calledOnce ).to.be.true;
- expect( spyNull.calledOnce ).to.be.true;
- } );
- it( 'should throw an error if element was incorrectly converted', () => {
- dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
- spy();
- conversionApi.convertItem( viewArray, data.modelCursor );
- } );
- expect( () => {
- dispatcher.convert( new ViewDocumentFragment() );
- } ).to.throw( CKEditorError, /^view-conversion-dispatcher-incorrect-result/ );
- expect( spy.calledOnce ).to.be.true;
- expect( spyArray.calledOnce ).to.be.true;
- } );
- } );
- describe( 'convertChildren()', () => {
- it( 'should fire conversion for all children of passed element and return conversion results ' +
- 'wrapped in document fragment', () => {
- dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
- spy();
- const result = conversionApi.convertChildren( data.viewItem, ModelPosition.createAt( rootMock ) );
- expect( result.modelRange ).to.be.instanceof( ModelRange );
- expect( result.modelRange.start.path ).to.deep.equal( [ 0 ] );
- expect( result.modelRange.end.path ).to.deep.equal( [ 7 ] );
- expect( Array.from( result.modelRange.getItems() ) ).to.length( 2 );
- expect( Array.from( result.modelRange.getItems() )[ 0 ] ).to.equal( modelP );
- expect( Array.from( result.modelRange.getItems() )[ 1 ] ).to.instanceof( ModelTextProxy );
- expect( Array.from( result.modelRange.getItems() )[ 1 ].data ).to.equal( 'foobar' );
- expect( result.modelCursor ).instanceof( ModelPosition );
- expect( result.modelCursor.path ).to.deep.equal( [ 7 ] );
- } );
- dispatcher.convert( new ViewDocumentFragment( [ viewP, viewText ] ) );
- expect( spy.calledOnce ).to.be.true;
- expect( spyP.calledOnce ).to.be.true;
- expect( spyText.calledOnce ).to.be.true;
- } );
- } );
- describe( 'splitToAllowedParent()', () => {
- beforeEach( () => {
- model.schema.register( 'paragraph', {
- allowIn: '$root'
- } );
- } );
- it( 'should return current position if element is allowed on this position', () => {
- const spy = sinon.spy();
- model.schema.register( 'span', {
- allowIn: 'paragraph'
- } );
- dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
- const paragraph = conversionApi.writer.createElement( 'paragraph' );
- const span = conversionApi.writer.createElement( 'span' );
- const position = ModelPosition.createAt( paragraph );
- const result = conversionApi.splitToAllowedParent( span, position );
- expect( result ).to.deep.equal( { position } );
- spy();
- } );
- dispatcher.convert( new ViewDocumentFragment() );
- sinon.assert.calledOnce( spy );
- } );
- it( 'should split position to allowed ancestor if element is allowed in one of ancestors', () => {
- const spy = sinon.spy();
- model.schema.register( 'section', {
- allowIn: '$root'
- } );
- model.schema.register( 'span', {
- allowIn: 'paragraph'
- } );
- model.schema.extend( 'paragraph', {
- allowIn: 'section'
- } );
- dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
- const section = conversionApi.writer.createElement( 'section' );
- const paragraph = conversionApi.writer.createElement( 'paragraph' );
- const span = conversionApi.writer.createElement( 'span' );
- conversionApi.writer.insert( paragraph, section );
- conversionApi.writer.insert( span, paragraph );
- const position = ModelPosition.createAt( span );
- const paragraph2 = conversionApi.writer.createElement( 'paragraph' );
- const result = conversionApi.splitToAllowedParent( paragraph2, position );
- expect( result ).to.deep.equal( {
- position: ModelPosition.createAfter( paragraph ),
- cursorParent: paragraph.parent.getChild( 1 ).getChild( 0 )
- } );
- spy();
- } );
- dispatcher.convert( new ViewDocumentFragment() );
- sinon.assert.calledOnce( spy );
- } );
- it( 'should return null if element is not allowed in position and any of ancestors', () => {
- const spy = sinon.spy();
- model.schema.register( 'span' );
- dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
- const paragraph = conversionApi.writer.createElement( 'paragraph' );
- const span = conversionApi.writer.createElement( 'span' );
- const position = ModelPosition.createAt( paragraph );
- const result = conversionApi.splitToAllowedParent( span, position );
- expect( result ).to.null;
- spy();
- } );
- dispatcher.convert( new ViewDocumentFragment() );
- sinon.assert.calledOnce( spy );
- } );
- it( 'should return null if element is not allowed in position and any of ancestors but is allowed in context tree', () => {
- const spy = sinon.spy();
- model.schema.register( 'div', {
- allowIn: '$root',
- } );
- dispatcher.on( 'documentFragment', ( evt, data, conversionApi ) => {
- const code = conversionApi.writer.createElement( 'div' );
- const result = conversionApi.splitToAllowedParent( code, data.modelCursor );
- expect( result ).to.null;
- spy();
- } );
- dispatcher.convert( new ViewDocumentFragment(), [ '$root', 'paragraph' ] );
- sinon.assert.calledOnce( spy );
- } );
- } );
- } );
- } );
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