/** * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ /* globals document */ import ViewElement from '../../../src/view/element'; import ViewSelection from '../../../src/view/selection'; import DomConverter from '../../../src/view/domconverter'; import ViewDocumentFragment from '../../../src/view/documentfragment'; import { INLINE_FILLER } from '../../../src/view/filler'; import { parse } from '../../../src/dev-utils/view'; import createElement from '@ckeditor/ckeditor5-utils/src/dom/createelement'; describe( 'DomConverter', () => { let converter; before( () => { converter = new DomConverter(); } ); describe( 'bindElements()', () => { it( 'should bind elements', () => { const domElement = document.createElement( 'p' ); const viewElement = new ViewElement( 'p' ); converter.bindElements( domElement, viewElement ); expect( converter.mapDomToView( domElement ) ).to.equal( viewElement ); expect( converter.mapViewToDom( viewElement ) ).to.equal( domElement ); } ); } ); describe( 'bindDocumentFragments()', () => { it( 'should bind document fragments', () => { const domFragment = document.createDocumentFragment(); const viewFragment = new ViewDocumentFragment(); converter.bindDocumentFragments( domFragment, viewFragment ); expect( converter.mapDomToView( domFragment ) ).to.equal( viewFragment ); expect( converter.mapViewToDom( viewFragment ) ).to.equal( domFragment ); } ); } ); describe( 'mapDomToView()', () => { it( 'should return corresponding view element if element is passed', () => { const domElement = document.createElement( 'p' ); const viewElement = new ViewElement( 'p' ); converter.bindElements( domElement, viewElement ); expect( converter.mapDomToView( domElement ) ).to.equal( viewElement ); } ); it( 'should return corresponding view document fragment', () => { const domFragment = document.createDocumentFragment(); const viewFragment = converter.domToView( domFragment ); converter.bindElements( domFragment, viewFragment ); expect( converter.mapDomToView( domFragment ) ).to.equal( viewFragment ); } ); it( 'should return undefined if falsy value was passed', () => { expect( converter.mapDomToView( null ) ).to.be.undefined; expect( converter.mapDomToView( undefined ) ).to.be.undefined; } ); } ); describe( 'findCorrespondingViewText()', () => { it( 'should return corresponding view text based on sibling', () => { const domImg = document.createElement( 'img' ); const domText = document.createTextNode( 'foo' ); const domP = createElement( document, 'p', null, [ domImg, domText ] ); const viewImg = new ViewElement( 'img' ); converter.bindElements( domImg, viewImg ); const viewP = converter.domToView( domP ); const viewText = viewP.getChild( 1 ); expect( converter.findCorrespondingViewText( domText ) ).to.equal( viewText ); } ); it( 'should return corresponding view text based on parent', () => { const domText = document.createTextNode( 'foo' ); const domP = createElement( document, 'p', null, domText ); const viewP = converter.domToView( domP ); const viewText = viewP.getChild( 0 ); converter.bindElements( domP, viewP ); expect( converter.findCorrespondingViewText( domText ) ).to.equal( viewText ); } ); it( 'should return null if sibling is not bound', () => { const domImg = document.createElement( 'img' ); const domText = document.createTextNode( 'foo' ); const domP = createElement( document, 'p', null, [ domImg, domText ] ); const viewP = converter.domToView( domP ); converter.bindElements( domP, viewP ); expect( converter.findCorrespondingViewText( domText ) ).to.be.null; } ); it( 'should return null if sibling is not element', () => { const domTextFoo = document.createTextNode( 'foo' ); const domTextBar = document.createTextNode( 'bar' ); const domP = createElement( document, 'p', null, [ domTextFoo, domTextBar ] ); const viewP = converter.domToView( domP ); converter.bindElements( domP, viewP ); expect( converter.findCorrespondingViewText( domTextBar ) ).to.be.null; } ); it( 'should return null if parent is not bound', () => { const domText = document.createTextNode( 'foo' ); createElement( document, 'p', null, domText ); expect( converter.findCorrespondingViewText( domText ) ).to.be.null; } ); it( 'should return null for inline filler', () => { const domFiller = document.createTextNode( INLINE_FILLER ); const domP = createElement( document, 'p', null, domFiller ); const viewP = converter.domToView( domP ); converter.bindElements( domP, viewP ); expect( converter.findCorrespondingViewText( domFiller ) ).to.be.null; } ); it( 'should return null if there is no text node sibling in view', () => { const domB = document.createElement( 'b' ); const domI = document.createElement( 'i' ); const domText = document.createTextNode( 'x' ); const domP = createElement( document, 'p', null, [ domB, domText, domI ] ); const viewP = parse( '
' ); const viewB = viewP.getChild( 0 ); const viewI = viewP.getChild( 1 ); converter.bindElements( domP, viewP ); converter.bindElements( domI, viewI ); converter.bindElements( domB, viewB ); expect( converter.findCorrespondingViewText( domText ) ).to.be.null; } ); it( 'should return null if there is no child text node in view', () => { const domText = document.createTextNode( 'x' ); const domP = createElement( document, 'p', null, domText ); const viewP = parse( '' ); converter.bindElements( domP, viewP ); expect( converter.findCorrespondingViewText( domText ) ).to.be.null; } ); } ); describe( 'mapViewToDom()', () => { it( 'should return corresponding DOM element if element was passed', () => { const domElement = document.createElement( 'p' ); const viewElement = new ViewElement( 'p' ); converter.bindElements( domElement, viewElement ); expect( converter.mapViewToDom( viewElement ) ).to.equal( domElement ); } ); it( 'should return corresponding DOM document fragment', () => { const domFragment = document.createDocumentFragment(); const viewFragment = new ViewDocumentFragment(); converter.bindElements( domFragment, viewFragment ); expect( converter.mapViewToDom( viewFragment ) ).to.equal( domFragment ); } ); it( 'should return undefined if wrong parameter is passed', () => { expect( converter.mapViewToDom( null ) ).to.be.undefined; } ); } ); describe( 'findCorrespondingDomText()', () => { it( 'should return corresponding DOM text based on sibling', () => { const domImg = document.createElement( 'img' ); const domText = document.createTextNode( 'foo' ); const domP = document.createElement( 'p' ); domP.appendChild( domImg ); domP.appendChild( domText ); const viewImg = new ViewElement( 'img' ); converter.bindElements( domImg, viewImg ); const viewP = converter.domToView( domP ); const viewText = viewP.getChild( 1 ); expect( converter.findCorrespondingDomText( viewText ) ).to.equal( domText ); } ); it( 'should return corresponding DOM text based on parent', () => { const domText = document.createTextNode( 'foo' ); const domP = document.createElement( 'p' ); domP.appendChild( domText ); const viewP = converter.domToView( domP ); const viewText = viewP.getChild( 0 ); converter.bindElements( domP, viewP ); expect( converter.findCorrespondingDomText( viewText ) ).to.equal( domText ); } ); it( 'should return null if sibling is not bound', () => { const domImg = document.createElement( 'img' ); const domText = document.createTextNode( 'foo' ); const domP = document.createElement( 'p' ); domP.appendChild( domImg ); domP.appendChild( domText ); const viewP = converter.domToView( domP ); const viewText = viewP.getChild( 1 ); converter.bindElements( domP, viewP ); expect( converter.findCorrespondingDomText( viewText ) ).to.be.null; } ); it( 'should return null if parent is not bound', () => { const domText = document.createTextNode( 'foo' ); const domP = document.createElement( 'p' ); domP.appendChild( domText ); const viewP = converter.domToView( domP ); const viewText = viewP.getChild( 0 ); expect( converter.findCorrespondingDomText( viewText ) ).to.be.null; } ); it( 'should return null if there is no previous sibling and parent', () => { const domText = document.createTextNode( 'foo' ); const viewText = converter.domToView( domText ); expect( converter.findCorrespondingDomText( viewText ) ).to.be.null; } ); } ); describe( 'bindFakeSelection', () => { let domEl, selection, viewElement; beforeEach( () => { viewElement = new ViewElement(); domEl = document.createElement( 'div' ); selection = new ViewSelection( viewElement, 'in' ); converter.bindFakeSelection( domEl, selection ); } ); it( 'should bind DOM element to selection', () => { const bindSelection = converter.fakeSelectionToView( domEl ); expect( bindSelection ).to.not.be.undefined; expect( bindSelection.isEqual( selection ) ).to.be.true; } ); it( 'should keep a copy of selection', () => { const selectionCopy = new ViewSelection( selection ); selection._setTo( new ViewElement(), 'in', { backward: true } ); const bindSelection = converter.fakeSelectionToView( domEl ); expect( bindSelection ).to.not.equal( selection ); expect( bindSelection.isEqual( selection ) ).to.be.false; expect( bindSelection.isEqual( selectionCopy ) ).to.be.true; } ); } ); describe( 'unbindDomElement', () => { it( 'should unbind elements', () => { const domElement = document.createElement( 'p' ); const viewElement = new ViewElement( 'p' ); converter.bindElements( domElement, viewElement ); expect( converter.mapDomToView( domElement ) ).to.equal( viewElement ); expect( converter.mapViewToDom( viewElement ) ).to.equal( domElement ); converter.unbindDomElement( domElement ); expect( converter.mapDomToView( domElement ) ).to.be.undefined; expect( converter.mapViewToDom( viewElement ) ).to.be.undefined; } ); it( 'should unbind element\'s child nodes', () => { const domElement = document.createElement( 'p' ); const domChild = document.createElement( 'span' ); domElement.appendChild( domChild ); const viewElement = new ViewElement( 'p' ); const viewChild = new ViewElement( 'span' ); converter.bindElements( domElement, viewElement ); converter.bindElements( domChild, viewChild ); expect( converter.mapDomToView( domChild ) ).to.equal( viewChild ); expect( converter.mapViewToDom( viewChild ) ).to.equal( domChild ); converter.unbindDomElement( domElement ); expect( converter.mapDomToView( domChild ) ).to.be.undefined; expect( converter.mapViewToDom( viewChild ) ).to.be.undefined; } ); it( 'should do nothing if there are no elements bind', () => { const domElement = document.createElement( 'p' ); const viewElement = new ViewElement( 'p' ); expect( converter.mapDomToView( domElement ) ).to.be.undefined; expect( converter.mapViewToDom( viewElement ) ).to.be.undefined; converter.unbindDomElement( domElement ); expect( converter.mapDomToView( domElement ) ).to.be.undefined; expect( converter.mapViewToDom( viewElement ) ).to.be.undefined; } ); } ); } );