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@@ -0,0 +1,259 @@
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+/**
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+ * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
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+ * For licensing, see LICENSE.md.
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+ */
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+
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+/* bender-tags: treeview */
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+
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+'use strict';
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+
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+const modules = bender.amd.require(
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+ 'core/treeview/renderer',
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+ 'core/treeview/element',
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+ 'core/treeview/text',
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+ 'core/treeview/converter',
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+ 'core/ckeditorerror'
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+);
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+
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+describe( 'Renderer', () => {
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+ let Renderer, ViewElement, ViewText, CKEditorError, converter;
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+ let renderer;
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+
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+ before( () => {
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+ Renderer = modules[ 'core/treeview/renderer' ];
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+ ViewElement = modules[ 'core/treeview/element' ];
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+ ViewText = modules[ 'core/treeview/text' ];
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+ CKEditorError = modules[ 'core/ckeditorerror' ];
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+ converter = modules[ 'core/treeview/converter' ];
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+
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+ renderer = new Renderer();
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+ } );
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+
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+ describe( 'markToSync', () => {
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+ let viewNode;
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+
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+ beforeEach( () => {
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+ viewNode = new ViewElement( 'p' );
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+
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+ const domNode = document.createElement( 'p' );
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+ converter.bindElement( viewNode, domNode );
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+ viewNode.appendChildren( new ViewText( 'foo' ) );
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+
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+ renderer.markedTexts.clear();
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+ renderer.markedAttrs.clear();
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+ renderer.markedChildren.clear();
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+ } );
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+
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+ it( 'should mark attributes which need update', () => {
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+ viewNode.setAttr( 'class', 'foo' );
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+
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+ renderer.markToSync( viewNode, 'ATTRIBUTES_NEED_UPDATE' );
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+
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+ expect( renderer.markedAttrs.has( viewNode ) ).to.be.true;
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+ } );
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+
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+ it( 'should mark children which need update', () => {
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+ viewNode.appendChildren( new ViewText( 'foo' ) );
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+
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+ renderer.markToSync( viewNode, 'CHILDREN_NEED_UPDATE' );
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+
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+ expect( renderer.markedChildren.has( viewNode ) ).to.be.true;
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+ } );
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+
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+ it( 'should not mark children if element has no corresponding node', () => {
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+ // Overwrite viewNode with node without coresponding DOM node.
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+ viewNode = new ViewElement( 'p' );
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+
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+ viewNode.appendChildren( new ViewText( 'foo' ) );
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+
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+ renderer.markToSync( viewNode, 'CHILDREN_NEED_UPDATE' );
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+
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+ expect( renderer.markedTexts.has( viewNode ) ).to.be.false;
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+ } );
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+
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+ it( 'should mark text which need update', () => {
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+ const viewText = new ViewText( 'foo' );
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+ viewNode.appendChildren( viewText );
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+ viewText.setText( 'bar' );
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+
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+ renderer.markToSync( viewText, 'TEXT_NEEDS_UPDATE' );
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+
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+ expect( renderer.markedTexts.has( viewText ) ).to.be.true;
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+ } );
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+
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+ it( 'should not mark text if parent has no corresponding node', () => {
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+ const viewText = new ViewText( 'foo' );
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+ // Overwrite viewNode with node without coresponding DOM node.
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+ viewNode = new ViewElement( 'p' );
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+
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+ viewNode.appendChildren( viewText );
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+ viewText.setText( 'bar' );
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+
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+ renderer.markToSync( viewText, 'TEXT_NEEDS_UPDATE' );
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+
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+ expect( renderer.markedTexts.has( viewText ) ).to.be.false;
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+ } );
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+
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+ it( 'should throw if the type is unknown', () => {
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+ expect( () => {
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+ renderer.markToSync( viewNode, 'UNKNOWN' );
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+ } ).to.throw( CKEditorError, /^renderer-unknown-type/ );
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+ } );
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+ } );
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+
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+ describe( 'render', () => {
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+ let viewNode, domNode;
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+
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+ beforeEach( () => {
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+ viewNode = new ViewElement( 'p' );
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+ domNode = document.createElement( 'p' );
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+
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+ converter.bindElement( viewNode, domNode );
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+
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+ renderer.markedTexts.clear();
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+ renderer.markedAttrs.clear();
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+ renderer.markedChildren.clear();
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+ } );
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+
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+ it( 'should update attributes', () => {
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+ viewNode.setAttr( 'class', 'foo' );
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+
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+ renderer.markToSync( viewNode, 'ATTRIBUTES_NEED_UPDATE' );
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+ renderer.render();
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+
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+ expect( domNode.getAttribute( 'class' ) ).to.equal( 'foo' );
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+
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+ expect( renderer.markedAttrs.size ).to.equal( 0 );
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+ } );
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+
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+ it( 'should remove attributes', () => {
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+ viewNode.setAttr( 'class', 'foo' );
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+ domNode.setAttribute( 'id', 'bar' );
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+ domNode.setAttribute( 'class', 'bar' );
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+
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+ renderer.markToSync( viewNode, 'ATTRIBUTES_NEED_UPDATE' );
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+ renderer.render();
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+
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+ expect( domNode.getAttribute( 'class' ) ).to.equal( 'foo' );
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+ expect( domNode.getAttribute( 'id' ) ).to.be.not.ok;
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+
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+ expect( renderer.markedAttrs.size ).to.equal( 0 );
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+ } );
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+
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+ it( 'should add children', () => {
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+ viewNode.appendChildren( new ViewText( 'foo' ) );
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+
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+ renderer.markToSync( viewNode, 'CHILDREN_NEED_UPDATE' );
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+ renderer.render();
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+
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+ expect( domNode.childNodes.length ).to.equal( 1 );
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+ expect( domNode.childNodes[ 0 ].data ).to.equal( 'foo' );
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+
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+ expect( renderer.markedChildren.size ).to.equal( 0 );
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+ } );
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+
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+ it( 'should update text', () => {
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+ const viewText = new ViewText( 'foo' );
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+ viewNode.appendChildren( viewText );
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+
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+ renderer.markToSync( viewNode, 'CHILDREN_NEED_UPDATE' );
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+ renderer.render();
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+
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+ expect( domNode.childNodes.length ).to.equal( 1 );
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+ expect( domNode.childNodes[ 0 ].data ).to.equal( 'foo' );
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+
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+ viewText.setText( 'bar' );
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+
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+ renderer.markToSync( viewText, 'TEXT_NEEDS_UPDATE' );
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+ renderer.render();
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+
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+ expect( domNode.childNodes.length ).to.equal( 1 );
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+ expect( domNode.childNodes[ 0 ].data ).to.equal( 'bar' );
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+
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+ expect( renderer.markedTexts.size ).to.equal( 0 );
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+ } );
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+
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+ it( 'should not update text parent child list changed', () => {
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+ const viewImg = new ViewElement( 'img' );
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+ const viewText = new ViewText( 'foo' );
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+ viewNode.appendChildren( [ viewImg, viewText ] );
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+
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+ renderer.markToSync( viewNode, 'CHILDREN_NEED_UPDATE' );
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+ renderer.markToSync( viewText, 'TEXT_NEEDS_UPDATE' );
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+ renderer.render();
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+
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+ expect( domNode.childNodes.length ).to.equal( 2 );
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+ expect( domNode.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'img' );
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+ expect( domNode.childNodes[ 1 ].data ).to.equal( 'foo' );
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+ } );
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+
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+ it( 'should not change text if it is the same during text rendering', () => {
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+ const viewText = new ViewText( 'foo' );
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+ viewNode.appendChildren( viewText );
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+
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+ renderer.markToSync( viewNode, 'CHILDREN_NEED_UPDATE' );
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+ renderer.render();
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+
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+ // This should not be changed during the render.
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+ const domText = domNode.childNodes[ 0 ];
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+
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+ renderer.markToSync( viewText, 'TEXT_NEEDS_UPDATE' );
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+ renderer.render();
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+
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+ expect( domNode.childNodes.length ).to.equal( 1 );
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+ expect( domNode.childNodes[ 0 ] ).to.equal( domText );
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+ } );
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+
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+ it( 'should not change text if it is the same during children rendering', () => {
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+ const viewText = new ViewText( 'foo' );
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+ viewNode.appendChildren( viewText );
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+
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+ renderer.markToSync( viewNode, 'CHILDREN_NEED_UPDATE' );
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+ renderer.render();
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+
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+ // This should not be changed during the render.
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+ const domText = domNode.childNodes[ 0 ];
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+
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+ renderer.markToSync( viewNode, 'CHILDREN_NEED_UPDATE' );
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+ renderer.render();
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+
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+ expect( domNode.childNodes.length ).to.equal( 1 );
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+ expect( domNode.childNodes[ 0 ] ).to.equal( domText );
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+ } );
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+
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+ it( 'should not change element if it is the same', () => {
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+ const viewImg = new ViewElement( 'img' );
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+ viewNode.appendChildren( viewImg );
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+
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+ // This should not be changed during the render.
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+ const domImg = document.createElement( 'img' );
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+ domNode.appendChild( domImg );
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+
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+ converter.bindElement( viewImg, domImg );
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+
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+ renderer.markToSync( viewNode, 'CHILDREN_NEED_UPDATE' );
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+ renderer.render();
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+
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+ expect( domNode.childNodes.length ).to.equal( 1 );
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+ expect( domNode.childNodes[ 0 ] ).to.equal( domImg );
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+ } );
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+
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+ it( 'should change element if it is different', () => {
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+ const viewImg = new ViewElement( 'img' );
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+ viewNode.appendChildren( viewImg );
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+
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+ renderer.markToSync( viewNode, 'CHILDREN_NEED_UPDATE' );
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+ renderer.render();
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+
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+ const viewP = new ViewElement( 'p' );
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+ viewNode.removeChildren( 0, 1 );
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+ viewNode.appendChildren( viewP );
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+
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+ renderer.markToSync( viewNode, 'CHILDREN_NEED_UPDATE' );
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+ renderer.render();
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+
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+ expect( domNode.childNodes.length ).to.equal( 1 );
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+ expect( domNode.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'p' );
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+ } );
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+ } );
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+} );
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