8
0
Просмотр исходного кода

Tests: advanced converters tests.

Szymon Cofalik 9 лет назад
Родитель
Сommit
c2253d1c56
1 измененных файлов с 774 добавлено и 0 удалено
  1. 774 0
      packages/ckeditor5-engine/tests/treecontroller/advanced-converters.js

+ 774 - 0
packages/ckeditor5-engine/tests/treecontroller/advanced-converters.js

@@ -0,0 +1,774 @@
+/**
+ * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md.
+ */
+
+/* bender-tags: treecontroller */
+
+'use strict';
+
+import ModelDocument from '/ckeditor5/engine/treemodel/document.js';
+import ModelDocumentFragment from '/ckeditor5/engine/treemodel/documentfragment.js';
+import ModelElement from '/ckeditor5/engine/treemodel/element.js';
+import ModelText from '/ckeditor5/engine/treemodel/text.js';
+import ModelTextProxy from '/ckeditor5/engine/treemodel/textproxy.js';
+import ModelRange from '/ckeditor5/engine/treemodel/range.js';
+import ModelPosition from '/ckeditor5/engine/treemodel/position.js';
+import ModelWalker from '/ckeditor5/engine/treemodel/treewalker.js';
+
+import ViewDocumentFragment from '/ckeditor5/engine/treeview/documentfragment.js';
+import ViewElement from '/ckeditor5/engine/treeview/element.js';
+import ViewContainerElement from '/ckeditor5/engine/treeview/containerelement.js';
+import ViewAttributeElement from '/ckeditor5/engine/treeview/attributeelement.js';
+import ViewText from '/ckeditor5/engine/treeview/text.js';
+import ViewWriter from  '/ckeditor5/engine/treeview/writer.js';
+import ViewPosition from '/ckeditor5/engine/treeview/position.js';
+import ViewRange from '/ckeditor5/engine/treeview/range.js';
+
+import Mapper from '/ckeditor5/engine/treecontroller/mapper.js';
+import ModelConversionDispatcher from '/ckeditor5/engine/treecontroller/modelconversiondispatcher.js';
+import ViewConversionDispatcher from '/ckeditor5/engine/treecontroller/viewconversiondispatcher.js';
+
+import {
+	insertElement,
+	insertText,
+	setAttribute,
+	removeAttribute,
+	wrap,
+	unwrap,
+	move,
+	remove,
+	eventNameToConsumableType
+} from '/ckeditor5/engine/treecontroller/model-to-view-converters.js';
+import { convertToModelFragment, convertText } from '/ckeditor5/engine/treecontroller/view-to-model-converters.js';
+
+let modelDoc, modelRoot, viewRoot, mapper, writer, modelDispatcher, viewDispatcher;
+
+beforeEach( () => {
+	modelDoc = new ModelDocument();
+	modelRoot = modelDoc.createRoot( 'root' );
+	viewRoot = new ViewContainerElement( 'div' );
+
+	mapper = new Mapper();
+	mapper.bindElements( modelRoot, viewRoot );
+
+	writer = new ViewWriter();
+
+	modelDispatcher = new ModelConversionDispatcher( { mapper, writer } );
+	viewDispatcher = new ViewConversionDispatcher();
+
+	modelDispatcher.on( 'insert:$text', insertText() );
+	modelDispatcher.on( 'move', move() );
+	modelDispatcher.on( 'remove', remove() );
+	viewDispatcher.on( 'text', convertText() );
+	viewDispatcher.on( 'documentFragment', convertToModelFragment() );
+} );
+
+function viewAttributesToString( item ) {
+	let result = '';
+
+	for ( let key of item.getAttributeKeys() ) {
+		let value = item.getAttribute( key );
+
+		if ( value ) {
+			result += ' ' + key + '="' + value + '"';
+		}
+	}
+
+	return result;
+}
+
+function viewToString( item ) {
+	let result = '';
+
+	if ( item instanceof ViewText ) {
+		result = item.data;
+	} else {
+		// ViewElement or ViewDocumentFragment.
+		for ( let child of item.getChildren() ) {
+			result += viewToString( child );
+		}
+
+		if ( item instanceof ViewElement ) {
+			result = '<' + item.name + viewAttributesToString( item ) + '>' + result + '</' + item.name + '>';
+		}
+	}
+
+	return result;
+}
+
+function modelAttributesToString( item ) {
+	let result = '';
+
+	for ( let attr of item.getAttributes() ) {
+		result += ' ' + attr[ 0 ] + '="' + attr[ 1 ] + '"';
+	}
+
+	return result;
+}
+
+function modelToString( item ) {
+	let result = '';
+
+	if ( item instanceof ModelTextProxy ) {
+		let attributes = modelAttributesToString( item );
+
+		result = attributes ? '<$text' + attributes + '>' + item.text + '</$text>' : item.text;
+	} else {
+		let walker = new ModelWalker( { boundaries: ModelRange.createFromElement( item ), shallow: true } );
+
+		for ( let value of walker ) {
+			result += modelToString( value.item );
+		}
+
+		if ( item instanceof ModelElement ) {
+			let attributes = modelAttributesToString( item );
+
+			result = '<' + item.name + attributes + '>' + result + '</' + item.name + '>';
+		}
+	}
+
+	return result;
+}
+
+// Converter for custom `image` element that might have a `caption` element inside which changes
+// how the image is displayed in the view:
+//
+// Model:
+//
+// [image {src="foo.jpg" title="foo"}]
+//   └─ [caption]
+//       ├─ f
+//       ├─ o
+//       └─ o
+//
+// [image {src="bar.jpg" title="bar"}]
+//
+// View:
+//
+// <figure>
+//   ├─ <img src="foo.jpg" title="foo" />
+//   └─ <caption>
+//       └─ foo
+//
+// <img src="bar.jpg" title="bar" />
+describe( 'image with caption converters', () => {
+	beforeEach( () => {
+		const modelImageConverter = function( evt, data, consumable, conversionApi ) {
+			// First, consume the `image` element.
+			consumable.consume( data.item, 'insert' );
+
+			// Just create normal image element for the view.
+			// Maybe it will be "decorated" later.
+			const viewImage = new ViewContainerElement( 'img' );
+			const insertPosition = conversionApi.mapper.toViewPosition( data.range.start );
+
+			// Check if the `image` element has children.
+			if ( data.item.getChildCount() > 0 ) {
+				const modelCaption = data.item.getChild( 0 );
+
+				// `modelCaption` insertion change is consumed from consumable values.
+				// It will not be converted by other converters, but it's children (probably some text) will be.
+				// Through mapping, converters for text will know where to insert contents of `modelCaption`.
+				if ( consumable.consume( modelCaption, 'insert' ) ) {
+					const viewCaption = new ViewContainerElement( 'figcaption' );
+
+					const viewImageHolder = new ViewContainerElement( 'figure', null, [ viewImage, viewCaption ] );
+
+					conversionApi.mapper.bindElements( modelCaption, viewCaption );
+					conversionApi.mapper.bindElements( data.item, viewImageHolder );
+					conversionApi.writer.insert( insertPosition, viewImageHolder );
+				}
+			} else {
+				conversionApi.mapper.bindElements( data.item, viewImage );
+				conversionApi.writer.insert( insertPosition, viewImage );
+			}
+
+			evt.stop();
+		};
+
+		const modelImageAttributesConverter = function( evt, data, consumable, conversionApi ) {
+			if ( data.item.name != 'image' ) {
+				return;
+			}
+
+			let viewElement = conversionApi.mapper.toViewElement( data.item );
+
+			if ( viewElement.name == 'figure' ) {
+				viewElement = viewElement.getChild( 0 );
+			}
+
+			consumable.consume( data.item, eventNameToConsumableType( evt.name ) );
+
+			if ( !data.attributeNewValue ) {
+				viewElement.removeAttribute( data.attributeKey );
+			} else {
+				viewElement.setAttribute( data.attributeKey, data.attributeNewValue );
+			}
+
+			evt.stop();
+		};
+
+		const viewFigureConverter = function( evt, data, consumable, conversionApi ) {
+			if ( consumable.consume( data.input, { name: true } ) ) {
+				const modelImage = conversionApi.convertItem( data.input.getChild( 0 ), consumable );
+				const modelCaption = conversionApi.convertItem( data.input.getChild( 1 ), consumable );
+
+				modelImage.appendChildren( modelCaption );
+
+				data.output = modelImage;
+			}
+		};
+
+		const viewImageConverter = function( evt, data, consumable ) {
+			if ( consumable.consume( data.input, { name: true } ) ) {
+				const modelImage = new ModelElement( 'image' );
+
+				for ( let attributeKey of data.input.getAttributeKeys() ) {
+					modelImage.setAttribute( attributeKey, data.input.getAttribute( attributeKey ) );
+				}
+
+				data.output = modelImage;
+			}
+		};
+
+		const viewFigcaptionConverter = function( evt, data, consumable, conversionApi ) {
+			if ( consumable.consume( data.input, { name: true } ) ) {
+				const modelCaption = new ModelElement( 'caption' );
+				const children = conversionApi.convertChildren( data.input, consumable );
+
+				modelCaption.appendChildren( children );
+
+				data.output = modelCaption;
+			}
+		};
+
+		modelDispatcher.on( 'insert:image', modelImageConverter );
+		modelDispatcher.on( 'addAttribute', modelImageAttributesConverter );
+		modelDispatcher.on( 'changeAttribute', modelImageAttributesConverter );
+		modelDispatcher.on( 'removeAttribute', modelImageAttributesConverter );
+		viewDispatcher.on( 'element:figure', viewFigureConverter );
+		viewDispatcher.on( 'element:img', viewImageConverter );
+		viewDispatcher.on( 'element:figcaption', viewFigcaptionConverter );
+	} );
+
+	it( 'should convert model images changes without caption to view', () => {
+		let modelElement = new ModelElement( 'image', { src: 'bar.jpg', title: 'bar' } );
+		modelRoot.appendChildren( modelElement );
+		modelDispatcher.convertInsert( ModelRange.createFromElement( modelRoot ) );
+
+		expect( viewToString( viewRoot ) ).to.equal( '<div><img src="bar.jpg" title="bar"></img></div>' );
+
+		modelElement.setAttribute( 'src', 'new.jpg' );
+		modelElement.removeAttribute( 'title' );
+		modelDispatcher.convertAttribute( 'changeAttribute', ModelRange.createOnElement( modelElement ), 'src', 'bar.jpg', 'new.jpg' );
+		modelDispatcher.convertAttribute( 'removeAttribute', ModelRange.createOnElement( modelElement ), 'title', 'bar', null );
+
+		expect( viewToString( viewRoot ) ).to.equal( '<div><img src="new.jpg"></img></div>' );
+	} );
+
+	it( 'should convert model images changes with caption to view', () => {
+		let modelElement = new ModelElement( 'image', { src: 'foo.jpg', title: 'foo' }, new ModelElement( 'caption', {}, 'foobar' ) );
+		modelRoot.appendChildren( modelElement );
+		modelDispatcher.convertInsert( ModelRange.createFromElement( modelRoot ) );
+
+		expect( viewToString( viewRoot ) ).to.equal(
+			'<div><figure><img src="foo.jpg" title="foo"></img><figcaption>foobar</figcaption></figure></div>'
+		);
+
+		modelElement.setAttribute( 'src', 'new.jpg' );
+		modelElement.removeAttribute( 'title' );
+		modelDispatcher.convertAttribute( 'changeAttribute', ModelRange.createOnElement( modelElement ), 'src', 'bar.jpg', 'new.jpg' );
+		modelDispatcher.convertAttribute( 'removeAttribute', ModelRange.createOnElement( modelElement ), 'title', 'bar', null );
+
+		expect( viewToString( viewRoot ) ).to.equal( '<div><figure><img src="new.jpg"></img><figcaption>foobar</figcaption></figure></div>' );
+	} );
+
+	it( 'should convert view image to model', () => {
+		let viewElement = new ViewContainerElement( 'img', { src: 'bar.jpg', title: 'bar' } );
+		let modelElement = viewDispatcher.convert( viewElement );
+		// Attaching to tree so tree walker works fine in `modelToString`.
+		modelRoot.appendChildren( modelElement );
+
+		expect( modelToString( modelElement ) ).to.equal( '<image src="bar.jpg" title="bar"></image>' );
+	} );
+
+	it( 'should convert view figure to model', () => {
+		let viewElement = new ViewContainerElement(
+			'figure',
+			null,
+			[
+				new ViewContainerElement( 'img', { src: 'bar.jpg', title: 'bar' } ),
+				new ViewContainerElement( 'figcaption', null, new ViewText( 'foobar' ) )
+			]
+		);
+		let modelElement = viewDispatcher.convert( viewElement );
+		// Attaching to tree so tree walker works fine in `modelToString`.
+		modelRoot.appendChildren( modelElement );
+
+		expect( modelToString( modelElement ) ).to.equal( '<image src="bar.jpg" title="bar"><caption>foobar</caption></image>' );
+	} );
+} );
+
+// Converter overwrites default attribute converter for `linkHref` and `linkTitle` attribute is set on `quote` element.
+//
+// Model:
+//
+// [quote {linkHref='foo.html' linkTitle='Foo source'}]
+//   ├─ f
+//   ├─ o
+//   └─ o
+//
+// foo {linkHref='foo.html' linkTitle='Foo title'}
+//
+// View:
+//
+// <blockquote>
+//	 ├─ foo
+//	 └─ <a href="foo.html" title="Foo source">
+//	 	  └─ see source
+//
+// <a href="foo.html" title="Foo title">
+//	 └─ foo
+describe( 'custom attribute handling for given element', () => {
+	beforeEach( () => {
+		// NORMAL LINK MODEL TO VIEW CONVERTERS
+		modelDispatcher.on( 'addAttribute:linkHref', wrap( ( value ) => new ViewAttributeElement( 'a', { href: value } ) ), null, 99 );
+		modelDispatcher.on( 'addAttribute:linkTitle', wrap( ( value ) => new ViewAttributeElement( 'a', { title: value } ) ), null, 99 );
+
+		const changeLinkAttribute = function( elementCreator ) {
+			return ( evt, data, consumable, conversionApi ) => {
+				consumable.consume( data.item, eventNameToConsumableType( evt.name ) );
+
+				const viewRange = conversionApi.mapper.toViewRange( data.range );
+				const viewOldA = elementCreator( data.attributeOldValue );
+				const viewNewA = elementCreator( data.attributeNewValue );
+
+				conversionApi.writer.unwrap( viewRange, viewOldA, evt.priority );
+				conversionApi.writer.wrap( viewRange, viewNewA, evt.priority );
+
+				evt.stop();
+			};
+		};
+
+		modelDispatcher.on(
+			'changeAttribute:linkHref',
+			changeLinkAttribute( ( value ) => new ViewAttributeElement( 'a', { href: value } ) ),
+			null,
+			99
+		);
+
+		modelDispatcher.on(
+			'changeAttribute:linkTitle',
+			changeLinkAttribute( ( value ) => new ViewAttributeElement( 'a', { title: value } ) ),
+			null,
+			99
+		);
+
+		modelDispatcher.on(
+			'removeAttribute:linkHref',
+			unwrap( ( value ) => new ViewAttributeElement( 'a', { href: value } ) ),
+			null,
+			99
+		);
+
+		modelDispatcher.on(
+			'removeAttribute:linkTitle',
+			unwrap( ( value ) => new ViewAttributeElement( 'a', { title: value } ) ),
+			null,
+			99
+		);
+
+		// NORMAL LINK VIEW TO MODEL CONVERTERS
+		viewDispatcher.on( 'element:a', ( evt, data, consumable, conversionApi ) => {
+			if ( consumable.consume( data.input, { name: true, attribute: 'href' } ) ) {
+				if ( !data.output ) {
+					data.output = conversionApi.convertChildren( data.input, consumable );
+				}
+
+				for ( let child of data.output ) {
+					child.setAttribute( 'linkHref', data.input.getAttribute( 'href' ) );
+				}
+			}
+		} );
+
+		viewDispatcher.on( 'element:a', ( evt, data, consumable, conversionApi ) => {
+			if ( consumable.consume( data.input, { attribute: 'title' } ) ) {
+				if ( !data.output ) {
+					data.output = conversionApi.convertChildren( data.input, consumable );
+				}
+
+				for ( let child of data.output ) {
+					child.setAttribute( 'linkTitle', data.input.getAttribute( 'title' ) );
+				}
+			}
+		} );
+
+		// QUOTE MODEL TO VIEW CONVERTERS
+		modelDispatcher.on( 'insert:quote', ( evt, data, consumable, conversionApi ) => {
+			consumable.consume( data.item, 'insert' );
+
+			const viewPosition = conversionApi.mapper.toViewPosition( data.range.start );
+			const viewElement = new ViewContainerElement( 'blockquote' );
+
+			conversionApi.mapper.bindElements( data.item, viewElement );
+			conversionApi.writer.insert( viewPosition, viewElement );
+
+			if ( consumable.consume( data.item, 'addAttribute:linkHref' ) ) {
+				const viewA = new ViewAttributeElement( 'a', { href: data.item.getAttribute( 'linkHref' ) }, new ViewText( 'see source' ) );
+
+				if ( consumable.consume( data.item, 'addAttribute:linkTitle' ) ) {
+					viewA.setAttribute( 'title', data.item.getAttribute( 'linkTitle' ) );
+				}
+
+				conversionApi.writer.insert( new ViewPosition( viewElement, viewElement.getChildCount() ), viewA );
+			}
+
+			evt.stop();
+		} );
+
+		const modelChangeLinkAttrQuoteConverter = function( evt, data, consumable, conversionApi ) {
+			let viewKey = data.attributeKey.substr( 4 ).toLowerCase();
+
+			consumable.consume( data.item, eventNameToConsumableType( evt.name ) );
+
+			const viewElement = conversionApi.mapper.toViewElement( data.item );
+			const viewA = viewElement.getChild( viewElement.getChildCount() - 1 );
+
+			if ( data.attributeNewValue !== null ) {
+				viewA.setAttribute( viewKey, data.attributeNewValue );
+			} else {
+				viewA.removeAttribute( viewKey );
+			}
+
+			evt.stop();
+		};
+
+		modelDispatcher.on( 'changeAttribute:linkHref:quote', modelChangeLinkAttrQuoteConverter );
+		modelDispatcher.on( 'changeAttribute:linkTitle:quote', modelChangeLinkAttrQuoteConverter );
+
+		modelDispatcher.on( 'removeAttribute:linkHref:quote', ( evt, data, consumable, conversionApi ) => {
+			consumable.consume( data.item, eventNameToConsumableType( evt.name ) );
+
+			const viewElement = conversionApi.mapper.toViewElement( data.item );
+			const viewA = viewElement.getChild( viewElement.getChildCount() - 1 );
+			const aIndex = viewA.getIndex();
+
+			conversionApi.writer.remove( ViewRange.createFromParentsAndOffsets( viewElement, aIndex, viewElement, aIndex + 1 ) );
+
+			evt.stop();
+		} );
+		modelDispatcher.on( 'removeAttribute:linkTitle:quote', modelChangeLinkAttrQuoteConverter );
+
+
+		// QUOTE VIEW TO MODEL CONVERTERS
+		viewDispatcher.on( 'element:blockquote', ( evt, data, consumable, conversionApi ) => {
+			if ( consumable.consume( data.input, { name: true } ) ) {
+				data.output = new ModelElement( 'quote' );
+
+				const viewA = data.input.getChild( data.input.getChildCount() - 1 );
+
+				// Convert the special "a" first, before converting all children.
+				if ( viewA instanceof ViewElement && viewA.name == 'a' && consumable.consume( viewA, { name: true } ) ) {
+					if ( consumable.consume( viewA, { attribute: 'href' } ) ) {
+						data.output.setAttribute( 'linkHref', viewA.getAttribute( 'href' ) );
+					}
+
+					if ( consumable.consume( viewA, { attribute: 'title' } ) ) {
+						data.output.setAttribute( 'linkTitle', viewA.getAttribute( 'title' ) );
+					}
+				}
+
+				const children = conversionApi.convertChildren( data.input, consumable );
+				data.output.appendChildren( children );
+			}
+		} );
+	} );
+
+	it( 'should convert model text with linkHref and linkTitle to view', () => {
+		const modelText = new ModelText( 'foo', { linkHref: 'foo.html', linkTitle: 'Foo title' } );
+		modelRoot.appendChildren( modelText );
+
+		let range = ModelRange.createFromElement( modelRoot );
+
+		modelDispatcher.convertInsert( range );
+
+		// The expected value is different than in example or than what is really expected as it should be one link,
+		// but writer does not have merging feature yet.
+		expect( viewToString( viewRoot ) ).to.equal( '<div><a title="Foo title"><a href="foo.html">foo</a></a></div>' );
+
+		// Let's change link's attributes.
+		for ( let value of range ) {
+			value.item.setAttribute( 'linkHref', 'bar.html' );
+			value.item.setAttribute( 'linkTitle', 'Bar title' );
+		}
+		modelDispatcher.convertAttribute( 'changeAttribute', range, 'linkHref', 'foo.html', 'bar.html' );
+		modelDispatcher.convertAttribute( 'changeAttribute', range, 'linkTitle', 'Foo title', 'Bar title' );
+
+		expect( viewToString( viewRoot ) ).to.equal( '<div><a title="Bar title"><a href="bar.html">foo</a></a></div>' );
+
+		// Let's remove a letter from the link.
+		const removed = modelRoot.removeChildren( 0, 1 );
+		modelDoc.graveyard.appendChildren( removed );
+		modelDispatcher.convertRemove(
+			ModelPosition.createFromParentAndOffset( modelRoot, 0 ),
+			ModelRange.createFromElement( modelDoc.graveyard )
+		);
+
+		expect( viewToString( viewRoot ) ).to.equal( '<div><a title="Bar title"><a href="bar.html">oo</a></a></div>' );
+
+		range = ModelRange.createFromElement( modelRoot );
+
+		// Let's remove just one attribute.
+		for ( let value of range ) {
+			value.item.removeAttribute( 'linkTitle' );
+		}
+		modelDispatcher.convertAttribute( 'removeAttribute', range, 'linkTitle', 'Bar title', null );
+
+		expect( viewToString( viewRoot ) ).to.equal( '<div><a href="bar.html">oo</a></div>' );
+
+		// Let's remove the other attribute.
+		for ( let value of range ) {
+			value.item.removeAttribute( 'linkHref' );
+		}
+		modelDispatcher.convertAttribute( 'removeAttribute', range, 'linkHref', 'bar.html', null );
+
+		expect( viewToString( viewRoot ) ).to.equal( '<div>oo</div>' );
+	} );
+
+	it( 'should convert a view element to model', () => {
+		let viewElement = new ViewAttributeElement( 'a', { href: 'foo.html', title: 'Foo title' }, new ViewText( 'foo' ) );
+
+		let modelText = viewDispatcher.convert( viewElement )[ 0 ];
+
+		expect( modelText ).to.be.instanceof( ModelText );
+		expect( modelText.text ).to.equal( 'foo' );
+		expect( modelText.getAttribute( 'linkHref' ) ).to.equal( 'foo.html' );
+		expect( modelText.getAttribute( 'linkTitle' ) ).to.equal( 'Foo title' );
+	} );
+
+	it( 'should convert quote model element with linkHref and linkTitle attribute to view', () => {
+		let modelElement = new ModelElement( 'quote', { linkHref: 'foo.html', linkTitle: 'Foo source' }, 'foo' );
+		modelRoot.appendChildren( modelElement );
+		modelDispatcher.convertInsert( ModelRange.createFromElement( modelRoot ) );
+
+		let expected = '<div><blockquote>foo<a href="foo.html" title="Foo source">see source</a></blockquote></div>';
+		expect( viewToString( viewRoot ) ).to.equal( expected );
+
+		modelDispatcher.on( 'addAttribute:bold', wrap( new ViewAttributeElement( 'strong' ) ) );
+		modelDispatcher.on( 'changeAttribute:bold', wrap( new ViewAttributeElement( 'strong' ) ) );
+		modelDispatcher.on( 'removeAttribute:bold', unwrap( new ViewAttributeElement( 'strong' ) ) );
+
+		modelElement.appendChildren( new ModelText( 'bar', { bold: true } ) );
+		modelDispatcher.convertInsert( ModelRange.createFromParentsAndOffsets( modelElement, 3, modelElement, 6 ) );
+
+		expected = '<div><blockquote>foo<strong>bar</strong><a href="foo.html" title="Foo source">see source</a></blockquote></div>';
+		expect( viewToString( viewRoot ) ).to.equal( expected );
+
+		modelElement.removeAttribute( 'linkTitle' );
+		modelElement.setAttribute( 'linkHref', 'bar.html' );
+
+		modelDispatcher.convertAttribute( 'removeAttribute', ModelRange.createOnElement( modelElement ), 'linkTitle', 'Foo source', null );
+		modelDispatcher.convertAttribute( 'changeAttribute', ModelRange.createOnElement( modelElement ), 'linkHref', 'foo.html', 'bar.html' );
+
+		expected = '<div><blockquote>foo<strong>bar</strong><a href="bar.html">see source</a></blockquote></div>';
+		expect( viewToString( viewRoot ) ).to.equal( expected );
+
+		modelElement.removeAttribute( 'linkHref' );
+		modelDispatcher.convertAttribute( 'removeAttribute', ModelRange.createFromElement( modelRoot ), 'linkHref', 'bar.html', null );
+
+		expected = '<div><blockquote>foo<strong>bar</strong></blockquote></div>';
+		expect( viewToString( viewRoot ) ).to.equal( expected );
+	} );
+
+	it( 'should convert view blockquote with a element to model', () => {
+		let viewElement = new ViewContainerElement(
+			'blockquote',
+			null,
+			[
+				new ViewText( 'foo' ),
+				new ViewAttributeElement(
+					'a',
+					{
+						href: 'foo.html',
+						title:'Foo source'
+					},
+					new ViewText( 'see source' )
+				)
+			]
+		);
+
+		let modelElement = viewDispatcher.convert( viewElement );
+		modelRoot.appendChildren( modelElement );
+
+		expect( modelToString( modelElement ) ).to.equal( '<quote linkHref="foo.html" linkTitle="Foo source">foo</quote>' );
+	} );
+} );
+
+// Default view converter for tables that will convert table structure into paragraphs if tables are not supported.
+// TRs are supposed to become paragraphs and TDs content should be separated using space.
+it( 'default table view to model converter', () => {
+	viewDispatcher.on( 'element:a', ( evt, data, consumable, conversionApi ) => {
+		if ( consumable.consume( data.input, { name: true, attribute: 'href' } ) ) {
+			if ( !data.output ) {
+				data.output = conversionApi.convertChildren( data.input, consumable );
+			}
+
+			for ( let child of data.output ) {
+				child.setAttribute( 'linkHref', data.input.getAttribute( 'href' ) );
+			}
+		}
+	} );
+
+	viewDispatcher.on( 'element:tr', ( evt, data, consumable, conversionApi ) => {
+		if ( consumable.consume( data.input, { name: true } ) ) {
+			data.output = new ModelElement( 'paragraph' );
+			const children = conversionApi.convertChildren( data.input, consumable );
+
+			for ( let i = 1; i < children.length; i++ ) {
+				if ( children[ i ] instanceof ModelText && children[ i - 1 ] instanceof ModelText ) {
+					children[ i - 1 ].text += ' ';
+				}
+			}
+
+			data.output.appendChildren( children );
+		}
+	} );
+
+	viewDispatcher.on( 'element:table', ( evt, data, consumable, conversionApi ) => {
+		if ( consumable.consume( data.input, { name: true } ) ) {
+			data.output = conversionApi.convertChildren( data.input, consumable );
+		}
+	} );
+
+	viewDispatcher.on( 'element:td', ( evt, data, consumable, conversionApi ) => {
+		if ( consumable.consume( data.input, { name: true } ) ) {
+			data.output = conversionApi.convertChildren( data.input, consumable );
+		}
+	} );
+
+	let viewTable = new ViewContainerElement( 'table', null, [
+		new ViewContainerElement( 'tr', null, [
+			new ViewContainerElement( 'td', null, new ViewText( 'foo' ) ),
+			new ViewContainerElement( 'td', null, new ViewAttributeElement( 'a', { href: 'bar.html' }, new ViewText( 'bar' ) ) )
+		] ),
+		new ViewContainerElement( 'tr', null, [
+			new ViewContainerElement( 'td' ),
+			new ViewContainerElement( 'td', null, new ViewText( 'abc' ) )
+		] )
+	] );
+
+	let model = viewDispatcher.convert( viewTable );
+	let modelFragment = new ModelDocumentFragment( model );
+
+	expect( modelToString( modelFragment ) ).to.equal( '<paragraph>foo <$text linkHref="bar.html">bar</$text></paragraph><paragraph>abc</paragraph>' );
+} );
+
+// Model converter that converts any non-converted elements and attributes into view elements and attributes.
+// View converter that converts any non-converted elements and attributes into model elements and attributes.
+describe( 'universal converter', () => {
+	beforeEach( () => {
+		// "Universal" converters
+		modelDispatcher.on( 'insert', insertElement( ( data ) => new ViewContainerElement( data.item.name ) ), null, 99 );
+		modelDispatcher.on( 'addAttribute', setAttribute(), null, 99 );
+		modelDispatcher.on( 'changeAttribute', setAttribute(), null, 99 );
+		modelDispatcher.on( 'removeAttribute', removeAttribute(), null, 99 );
+
+		viewDispatcher.on( 'element', ( evt, data, consumable, conversionApi ) => {
+			if ( consumable.consume( data.input, { name: true } ) ) {
+				data.output = new ModelElement( data.input.name );
+
+				for ( let key of data.input.getAttributeKeys() ) {
+					if ( consumable.consume( data.input, { attribute: key } ) ) {
+						data.output.setAttribute( key, data.input.getAttribute( key ) );
+					}
+				}
+
+				data.output.appendChildren( conversionApi.convertChildren( data.input, consumable ) );
+			}
+		}, null, 99 );
+
+		// "Real" converters -- added with sooner priority. Should overwrite the "universal" converters.
+		modelDispatcher.on( 'insert:image', insertElement( new ViewContainerElement( 'img' ) ) );
+		modelDispatcher.on( 'addAttribute:bold', wrap( new ViewAttributeElement( 'strong' ) ) );
+		modelDispatcher.on( 'changeAttribute:bold', wrap( new ViewAttributeElement( 'strong' ) ) );
+		modelDispatcher.on( 'removeAttribute:bold', unwrap( new ViewAttributeElement( 'strong' ) ) );
+
+		viewDispatcher.on( 'element:img', ( evt, data, consumable ) => {
+			if ( consumable.consume( data.input, { name: true } ) ) {
+				const modelImage = new ModelElement( 'image' );
+
+				for ( let attributeKey of data.input.getAttributeKeys() ) {
+					modelImage.setAttribute( attributeKey, data.input.getAttribute( attributeKey ) );
+				}
+
+				data.output = modelImage;
+			}
+		} );
+		viewDispatcher.on( 'element:strong', ( evt, data, consumable, conversionApi ) => {
+			if ( consumable.consume( data.input, { name: true } ) ) {
+				if ( !data.output ) {
+					data.output = conversionApi.convertChildren( data.input, consumable );
+				}
+
+				for ( let child of data.output ) {
+					child.setAttribute( 'bold', true );
+				}
+			}
+		} );
+	} );
+
+	it( 'should convert model to view', () => {
+		let modelElement = new ModelElement( 'table', { cellpadding: 5, cellspacing: 5 }, [
+			new ModelElement( 'tr', null, [
+				new ModelElement( 'td', null, [
+					'foo ',
+					new ModelText( 'abc', { bold: true } ),
+					' bar'
+				] ),
+				new ModelElement( 'td', null, [
+					new ModelElement( 'foo', { foo: 'bar' }, 'bar' )
+				] )
+			] )
+		] );
+
+		modelRoot.appendChildren( modelElement );
+		modelDispatcher.convertInsert( ModelRange.createFromElement( modelRoot ) );
+
+		expect( viewToString( viewRoot ) ).to.equal(
+			'<div>' +
+				'<table cellpadding="5" cellspacing="5">' +
+					'<tr>' +
+						'<td>foo <strong>abc</strong> bar</td>' +
+						'<td><foo foo="bar">bar</foo></td>' +
+					'</tr>' +
+				'</table>' +
+			'</div>'
+		);
+	} );
+
+	it( 'should convert view to model', () => {
+		let viewElement = new ViewContainerElement( 'table', { cellpadding: 5, cellspacing: 5 }, [
+			new ViewContainerElement( 'tr', null, [
+				new ViewContainerElement( 'td', null, [
+					new ViewText( 'foo ' ),
+					new ViewAttributeElement( 'strong', null, new ViewText( 'abc' ) ),
+					new ViewText( ' bar' )
+				] ),
+				new ViewContainerElement( 'td', null, new ViewContainerElement( 'foo', { foo: 'bar' }, new ViewText( 'bar' ) ) )
+			] )
+		] );
+
+		let modelElement = viewDispatcher.convert( viewElement );
+		modelRoot.appendChildren( modelElement );
+
+		expect( modelToString( modelElement ) ).to.equal(
+			'<table cellpadding="5" cellspacing="5">' +
+				'<tr>' +
+					'<td>foo <$text bold="true">abc</$text> bar</td>' +
+					'<td><foo foo="bar">bar</foo></td>' +
+				'</tr>' +
+			'</table>'
+		);
+	} );
+} );