/** * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license */ import count from '@ckeditor/ckeditor5-utils/src/count'; import Node from '../../src/view/node'; import Element from '../../src/view/element'; import Text from '../../src/view/text'; import TextProxy from '../../src/view/textproxy'; import Document from '../../src/view/document'; import { StylesProcessor } from '../../src/view/stylesmap'; describe( 'Element', () => { let document; beforeEach( () => { document = new Document( new StylesProcessor() ); } ); describe( 'constructor()', () => { it( 'should create element without attributes', () => { const el = new Element( document, 'p' ); expect( el ).to.be.an.instanceof( Node ); expect( el ).to.have.property( 'name' ).that.equals( 'p' ); expect( el ).to.have.property( 'parent' ).that.is.null; expect( count( el.getAttributeKeys() ) ).to.equal( 0 ); } ); it( 'should create element with attributes as plain object', () => { const el = new Element( document, 'p', { foo: 'bar' } ); expect( el ).to.have.property( 'name' ).that.equals( 'p' ); expect( count( el.getAttributeKeys() ) ).to.equal( 1 ); expect( el.getAttribute( 'foo' ) ).to.equal( 'bar' ); } ); it( 'should create element with attributes as map', () => { const attrs = new Map(); attrs.set( 'foo', 'bar' ); const el = new Element( document, 'p', attrs ); expect( el ).to.have.property( 'name' ).that.equals( 'p' ); expect( count( el.getAttributeKeys() ) ).to.equal( 1 ); expect( el.getAttribute( 'foo' ) ).to.equal( 'bar' ); } ); it( 'should stringify attributes', () => { const el = new Element( document, 'p', { foo: true, bar: null, object: {} } ); expect( el.getAttribute( 'foo' ) ).to.equal( 'true' ); expect( el.getAttribute( 'bar' ) ).to.be.undefined; expect( el.getAttribute( 'object' ) ).to.equal( '[object Object]' ); } ); it( 'should create element with children', () => { const child = new Element( document, 'p', { foo: 'bar' } ); const parent = new Element( document, 'div', [], [ child ] ); expect( parent ).to.have.property( 'name' ).that.equals( 'div' ); expect( parent.childCount ).to.equal( 1 ); expect( parent.getChild( 0 ) ).to.have.property( 'name' ).that.equals( 'p' ); } ); it( 'should move class attribute to class set ', () => { const el = new Element( document, 'p', { id: 'test', class: 'one two three' } ); expect( el._attrs.has( 'class' ) ).to.be.false; expect( el._attrs.has( 'id' ) ).to.be.true; expect( el._classes.has( 'one' ) ).to.be.true; expect( el._classes.has( 'two' ) ).to.be.true; expect( el._classes.has( 'three' ) ).to.be.true; } ); it( 'should move style attribute to style proxy', () => { const el = new Element( document, 'p', { id: 'test', style: 'one: style1; two:style2 ; three : url(http://ckeditor.com)' } ); expect( el._attrs.has( 'style' ) ).to.be.false; expect( el._attrs.has( 'id' ) ).to.be.true; expect( el._styles.has( 'one' ) ).to.be.true; expect( el._styles.getAsString( 'one' ) ).to.equal( 'style1' ); expect( el._styles.has( 'two' ) ).to.be.true; expect( el._styles.getAsString( 'two' ) ).to.equal( 'style2' ); expect( el._styles.has( 'three' ) ).to.be.true; expect( el._styles.getAsString( 'three' ) ).to.equal( 'url(http://ckeditor.com)' ); } ); } ); describe( 'is()', () => { let el; before( () => { el = new Element( document, 'p' ); } ); it( 'should return true for node, element, element with correct name and element name', () => { expect( el.is( 'node' ) ).to.be.true; expect( el.is( 'view:node' ) ).to.be.true; expect( el.is( 'element' ) ).to.be.true; expect( el.is( 'view:element' ) ).to.be.true; expect( el.is( 'element', 'p' ) ).to.be.true; expect( el.is( 'view:element', 'p' ) ).to.be.true; expect( el.is( 'p' ) ).to.be.true; expect( el.is( 'view:p' ) ).to.be.true; } ); it( 'should return false for other accept values', () => { expect( el.is( 'element', 'span' ) ).to.be.false; expect( el.is( 'view:element', 'span' ) ).to.be.false; expect( el.is( 'span' ) ).to.be.false; expect( el.is( 'view:span' ) ).to.be.false; expect( el.is( 'text' ) ).to.be.false; expect( el.is( 'view:text' ) ).to.be.false; expect( el.is( 'textProxy' ) ).to.be.false; expect( el.is( 'containerElement' ) ).to.be.false; expect( el.is( 'attributeElement' ) ).to.be.false; expect( el.is( 'uiElement' ) ).to.be.false; expect( el.is( 'emptyElement' ) ).to.be.false; expect( el.is( 'view:emptyElement' ) ).to.be.false; expect( el.is( 'rootElement' ) ).to.be.false; expect( el.is( 'view:ootElement' ) ).to.be.false; expect( el.is( 'documentFragment' ) ).to.be.false; } ); } ); describe( 'isEmpty', () => { it( 'should return true if there are no children in element', () => { const element = new Element( document, 'p' ); expect( element.isEmpty ).to.be.true; } ); it( 'should return false if there are children in element', () => { const fragment = new Element( document, 'p', null, new Element( document, 'img' ) ); expect( fragment.isEmpty ).to.be.false; } ); } ); describe( '_clone()', () => { it( 'should clone element', () => { const el = new Element( document, 'p', { attr1: 'foo', attr2: 'bar' } ); const clone = el._clone(); expect( clone ).to.not.equal( el ); expect( clone.name ).to.equal( el.name ); expect( clone.getAttribute( 'attr1' ) ).to.equal( 'foo' ); expect( clone.getAttribute( 'attr2' ) ).to.equal( 'bar' ); } ); it( 'should deeply clone element', () => { const el = new Element( document, 'p', { attr1: 'foo', attr2: 'bar' }, [ new Element( document, 'b', { attr: 'baz' } ), new Element( document, 'span', { attr: 'qux' } ) ] ); const count = el.childCount; const clone = el._clone( true ); expect( clone ).to.not.equal( el ); expect( clone.name ).to.equal( el.name ); expect( clone.getAttribute( 'attr1' ) ).to.equal( 'foo' ); expect( clone.getAttribute( 'attr2' ) ).to.equal( 'bar' ); expect( clone.childCount ).to.equal( count ); for ( let i = 0; i < count; i++ ) { const child = el.getChild( i ); const clonedChild = clone.getChild( i ); expect( clonedChild ).to.not.equal( child ); expect( clonedChild.name ).to.equal( child.name ); expect( clonedChild.getAttribute( 'attr' ) ).to.equal( child.getAttribute( 'attr' ) ); } } ); it( 'shouldn\'t clone any children when deep copy is not performed', () => { const el = new Element( document, 'p', { attr1: 'foo', attr2: 'bar' }, [ new Element( document, 'b', { attr: 'baz' } ), new Element( document, 'span', { attr: 'qux' } ) ] ); const clone = el._clone( false ); expect( clone ).to.not.equal( el ); expect( clone.name ).to.equal( el.name ); expect( clone.getAttribute( 'attr1' ) ).to.equal( 'foo' ); expect( clone.getAttribute( 'attr2' ) ).to.equal( 'bar' ); expect( clone.childCount ).to.equal( 0 ); } ); it( 'should clone class attribute', () => { const el = new Element( document, 'p', { foo: 'bar' } ); el._addClass( [ 'baz', 'qux' ] ); const clone = el._clone( false ); expect( clone ).to.not.equal( el ); expect( clone.name ).to.equal( el.name ); expect( clone.getAttribute( 'foo' ) ).to.equal( 'bar' ); expect( clone.getAttribute( 'class' ) ).to.equal( 'baz qux' ); } ); it( 'should clone style attribute', () => { const el = new Element( document, 'p', { style: 'color: red; font-size: 12px;' } ); const clone = el._clone( false ); expect( clone ).to.not.equal( el ); expect( clone.name ).to.equal( el.name ); expect( clone._styles.has( 'color' ) ).to.be.true; expect( clone._styles.getAsString( 'color' ) ).to.equal( 'red' ); expect( clone._styles.has( 'font-size' ) ).to.be.true; expect( clone._styles.getAsString( 'font-size' ) ).to.equal( '12px' ); } ); it( 'should clone custom properties', () => { const el = new Element( document, 'p' ); const symbol = Symbol( 'custom' ); el._setCustomProperty( 'foo', 'bar' ); el._setCustomProperty( symbol, 'baz' ); const cloned = el._clone(); expect( cloned.getCustomProperty( 'foo' ) ).to.equal( 'bar' ); expect( cloned.getCustomProperty( symbol ) ).to.equal( 'baz' ); } ); it( 'should clone getFillerOffset', () => { const el = new Element( document, 'p' ); const fm = () => 'foo bar'; expect( el.getFillerOffset ).to.be.undefined; el.getFillerOffset = fm; const cloned = el._clone(); expect( cloned.getFillerOffset ).to.equal( fm ); } ); } ); describe( 'isSimilar()', () => { let el; beforeEach( () => { el = new Element( document, 'p', { foo: 'bar' } ); } ); it( 'should return false when comparing to non-element', () => { expect( el.isSimilar( null ) ).to.be.false; expect( el.isSimilar( {} ) ).to.be.false; } ); it( 'should return true when the same node is provided', () => { expect( el.isSimilar( el ) ).to.be.true; } ); it( 'should return true for element with same attributes and name', () => { const other = new Element( document, 'p', { foo: 'bar' } ); expect( el.isSimilar( other ) ).to.be.true; } ); it( 'should return false when name is not the same', () => { const other = el._clone(); other.name = 'div'; expect( el.isSimilar( other ) ).to.be.false; } ); it( 'should return false when attributes are not the same', () => { const other1 = el._clone(); const other2 = el._clone(); const other3 = el._clone(); other1._setAttribute( 'baz', 'qux' ); other2._setAttribute( 'foo', 'not-bar' ); other3._removeAttribute( 'foo' ); expect( el.isSimilar( other1 ) ).to.be.false; expect( el.isSimilar( other2 ) ).to.be.false; expect( el.isSimilar( other3 ) ).to.be.false; } ); it( 'should compare class attribute', () => { const el1 = new Element( document, 'p' ); const el2 = new Element( document, 'p' ); const el3 = new Element( document, 'p' ); const el4 = new Element( document, 'p' ); el1._addClass( [ 'foo', 'bar' ] ); el2._addClass( [ 'bar', 'foo' ] ); el3._addClass( 'baz' ); el4._addClass( [ 'baz', 'bar' ] ); expect( el1.isSimilar( el2 ) ).to.be.true; expect( el1.isSimilar( el3 ) ).to.be.false; expect( el1.isSimilar( el4 ) ).to.be.false; } ); describe( 'comparing styles', () => { let element, other; beforeEach( () => { element = new Element( document, 'p' ); other = new Element( document, 'p' ); element._setStyle( 'color', 'red' ); element._setStyle( 'top', '10px' ); } ); it( 'should return true when both elements have the same styles set (same order)', () => { other._setStyle( 'color', 'red' ); other._setStyle( 'top', '10px' ); expect( element.isSimilar( other ) ).to.be.true; } ); it( 'should return true when both elements have the same styles set (different order)', () => { other._setStyle( 'top', '10px' ); other._setStyle( 'color', 'red' ); expect( element.isSimilar( other ) ).to.be.true; } ); it( 'should return false when the other has fewer styles', () => { other._setStyle( 'top', '20px' ); expect( element.isSimilar( other ) ).to.be.false; } ); it( 'should return false when the other has fewer styles (but with same values)', () => { other._setStyle( 'top', '10px' ); expect( element.isSimilar( other ) ).to.be.false; } ); it( 'should return false when the other has more styles', () => { other._setStyle( 'top', '10px' ); other._setStyle( 'color', 'red' ); other._setStyle( 'bottom', '10px' ); expect( element.isSimilar( other ) ).to.be.false; } ); it( 'should return false when the other has the same styles set but with different values', () => { other._setStyle( 'top', '10px' ); other._setStyle( 'color', 'blue' ); expect( element.isSimilar( other ) ).to.be.false; } ); } ); } ); describe( 'children manipulation methods', () => { let parent, el1, el2, el3, el4; beforeEach( () => { parent = new Element( document, 'p' ); el1 = new Element( document, 'el1' ); el2 = new Element( document, 'el2' ); el3 = new Element( document, 'el3' ); el4 = new Element( document, 'el4' ); } ); describe( 'insertion', () => { it( 'should insert children', () => { const count1 = parent._insertChild( 0, [ el1, el3 ] ); const count2 = parent._insertChild( 1, el2 ); expect( parent.childCount ).to.equal( 3 ); expect( parent.getChild( 0 ) ).to.have.property( 'name' ).that.equals( 'el1' ); expect( parent.getChild( 1 ) ).to.have.property( 'name' ).that.equals( 'el2' ); expect( parent.getChild( 2 ) ).to.have.property( 'name' ).that.equals( 'el3' ); expect( count1 ).to.equal( 2 ); expect( count2 ).to.equal( 1 ); } ); it( 'should accept strings', () => { parent._insertChild( 0, 'abc' ); expect( parent.childCount ).to.equal( 1 ); expect( parent.getChild( 0 ) ).to.have.property( 'data' ).that.equals( 'abc' ); parent._removeChildren( 0, 1 ); parent._insertChild( 0, [ new Element( document, 'p' ), 'abc' ] ); expect( parent.childCount ).to.equal( 2 ); expect( parent.getChild( 1 ) ).to.have.property( 'data' ).that.equals( 'abc' ); } ); it( 'should append children', () => { const count1 = parent._insertChild( 0, el1 ); const count2 = parent._appendChild( el2 ); const count3 = parent._appendChild( el3 ); expect( parent.childCount ).to.equal( 3 ); expect( parent.getChild( 0 ) ).to.have.property( 'name' ).that.equals( 'el1' ); expect( parent.getChild( 1 ) ).to.have.property( 'name' ).that.equals( 'el2' ); expect( parent.getChild( 2 ) ).to.have.property( 'name' ).that.equals( 'el3' ); expect( count1 ).to.equal( 1 ); expect( count2 ).to.equal( 1 ); expect( count3 ).to.equal( 1 ); } ); it( 'should accept and correctly handle text proxies', () => { const element = new Element( document, 'div' ); const text = new Text( document, 'abcxyz' ); const textProxy = new TextProxy( text, 2, 3 ); element._insertChild( 0, textProxy ); expect( element.childCount ).to.equal( 1 ); expect( element.getChild( 0 ) ).to.be.instanceof( Text ); expect( element.getChild( 0 ).data ).to.equal( 'cxy' ); } ); it( 'set proper #document on inserted children', () => { const anotherDocument = new Document( new StylesProcessor() ); const anotherEl = new Element( anotherDocument, 'p' ); parent._insertChild( 0, anotherEl ); expect( anotherEl.document ).to.equal( document ); } ); } ); describe( 'getChildIndex', () => { it( 'should return child index', () => { parent._appendChild( el1 ); parent._appendChild( el2 ); parent._appendChild( el3 ); expect( parent.childCount ).to.equal( 3 ); expect( parent.getChildIndex( el1 ) ).to.equal( 0 ); expect( parent.getChildIndex( el2 ) ).to.equal( 1 ); expect( parent.getChildIndex( el3 ) ).to.equal( 2 ); } ); } ); describe( 'getChildren', () => { it( 'should renturn children iterator', () => { parent._appendChild( el1 ); parent._appendChild( el2 ); parent._appendChild( el3 ); const expected = [ el1, el2, el3 ]; let i = 0; for ( const child of parent.getChildren() ) { expect( child ).to.equal( expected[ i ] ); i++; } expect( i ).to.equal( 3 ); } ); } ); describe( '_removeChildren', () => { it( 'should remove children', () => { parent._appendChild( el1 ); parent._appendChild( el2 ); parent._appendChild( el3 ); parent._appendChild( el4 ); parent._removeChildren( 1, 2 ); expect( parent.childCount ).to.equal( 2 ); expect( parent.getChild( 0 ) ).to.have.property( 'name' ).that.equals( 'el1' ); expect( parent.getChild( 1 ) ).to.have.property( 'name' ).that.equals( 'el4' ); expect( el1.parent ).to.equal( parent ); expect( el2.parent ).to.be.null; expect( el3.parent ).to.be.null; expect( el4.parent ).equal( parent ); } ); it( 'should remove one child when second parameter is not specified', () => { parent._appendChild( el1 ); parent._appendChild( el2 ); parent._appendChild( el3 ); const removed = parent._removeChildren( 1 ); expect( parent.childCount ).to.equal( 2 ); expect( parent.getChild( 0 ) ).to.have.property( 'name' ).that.equals( 'el1' ); expect( parent.getChild( 1 ) ).to.have.property( 'name' ).that.equals( 'el3' ); expect( removed.length ).to.equal( 1 ); expect( removed[ 0 ] ).to.have.property( 'name' ).that.equals( 'el2' ); } ); } ); } ); describe( 'attributes manipulation methods', () => { let el; beforeEach( () => { el = new Element( document, 'p' ); } ); describe( '_setAttribute', () => { it( 'should set attribute', () => { el._setAttribute( 'foo', 'bar' ); expect( el._attrs.has( 'foo' ) ).to.be.true; expect( el._attrs.get( 'foo' ) ).to.equal( 'bar' ); } ); it( 'should cast attribute value to a string', () => { el._setAttribute( 'foo', true ); expect( el._attrs.get( 'foo' ) ).to.equal( 'true' ); } ); it( 'should fire change event with attributes type', done => { el.once( 'change:attributes', eventInfo => { expect( eventInfo.source ).to.equal( el ); done(); } ); el._setAttribute( 'foo', 'bar' ); } ); it( 'should set class', () => { el._setAttribute( 'class', 'foo bar' ); expect( el._attrs.has( 'class' ) ).to.be.false; expect( el._classes.has( 'foo' ) ).to.be.true; expect( el._classes.has( 'bar' ) ).to.be.true; } ); it( 'should replace all existing classes', () => { el._setAttribute( 'class', 'foo bar baz' ); el._setAttribute( 'class', 'qux' ); expect( el._classes.has( 'foo' ) ).to.be.false; expect( el._classes.has( 'bar' ) ).to.be.false; expect( el._classes.has( 'baz' ) ).to.be.false; expect( el._classes.has( 'qux' ) ).to.be.true; } ); it( 'should replace all styles', () => { el._setStyle( 'color', 'red' ); el._setStyle( 'top', '10px' ); el._setAttribute( 'style', 'margin-top:2em;' ); expect( el.hasStyle( 'color' ) ).to.be.false; expect( el.hasStyle( 'top' ) ).to.be.false; expect( el.hasStyle( 'margin-top' ) ).to.be.true; expect( el.getStyle( 'margin-top' ) ).to.equal( '2em' ); } ); } ); describe( 'getAttribute', () => { it( 'should return attribute', () => { el._setAttribute( 'foo', 'bar' ); expect( el.getAttribute( 'foo' ) ).to.equal( 'bar' ); expect( el.getAttribute( 'bom' ) ).to.not.be.ok; } ); it( 'should return class attribute', () => { el._addClass( [ 'foo', 'bar' ] ); expect( el.getAttribute( 'class' ) ).to.equal( 'foo bar' ); } ); it( 'should return undefined if no class attribute', () => { expect( el.getAttribute( 'class' ) ).to.be.undefined; } ); it( 'should return style attribute', () => { el._setStyle( 'color', 'red' ); el._setStyle( 'top', '10px' ); expect( el.getAttribute( 'style' ) ).to.equal( 'color:red;top:10px;' ); } ); it( 'should return undefined if no style attribute', () => { expect( el.getAttribute( 'style' ) ).to.be.undefined; } ); } ); describe( 'getAttributes', () => { it( 'should return attributes', () => { el._setAttribute( 'foo', 'bar' ); el._setAttribute( 'abc', 'xyz' ); expect( Array.from( el.getAttributes() ) ).to.deep.equal( [ [ 'foo', 'bar' ], [ 'abc', 'xyz' ] ] ); } ); it( 'should return class and style attribute', () => { el._setAttribute( 'class', 'abc' ); el._setAttribute( 'style', 'width:20px;' ); el._addClass( 'xyz' ); el._setStyle( 'font-weight', 'bold' ); expect( Array.from( el.getAttributes() ) ).to.deep.equal( [ [ 'class', 'abc xyz' ], [ 'style', 'font-weight:bold;width:20px;' ] ] ); } ); } ); describe( 'hasAttribute', () => { it( 'should return true if element has attribute', () => { el._setAttribute( 'foo', 'bar' ); expect( el.hasAttribute( 'foo' ) ).to.be.true; expect( el.hasAttribute( 'bom' ) ).to.be.false; } ); it( 'should return true if element has class attribute', () => { expect( el.hasAttribute( 'class' ) ).to.be.false; el._addClass( 'foo' ); expect( el.hasAttribute( 'class' ) ).to.be.true; } ); it( 'should return true if element has style attribute', () => { expect( el.hasAttribute( 'style' ) ).to.be.false; el._setStyle( 'border', '1px solid red' ); expect( el.hasAttribute( 'style' ) ).to.be.true; } ); } ); describe( 'getAttributeKeys', () => { it( 'should return keys', () => { el._setAttribute( 'foo', true ); el._setAttribute( 'bar', true ); const expected = [ 'foo', 'bar' ]; let i = 0; for ( const key of el.getAttributeKeys() ) { expect( key ).to.equal( expected[ i ] ); i++; } expect( i ).to.equal( 2 ); } ); it( 'should return class key', () => { el._addClass( 'foo' ); el._setAttribute( 'bar', true ); const expected = [ 'class', 'bar' ]; let i = 0; for ( const key of el.getAttributeKeys() ) { expect( key ).to.equal( expected[ i ] ); i++; } } ); it( 'should return style key', () => { el._setStyle( 'color', 'black' ); el._setAttribute( 'bar', true ); const expected = [ 'style', 'bar' ]; let i = 0; for ( const key of el.getAttributeKeys() ) { expect( key ).to.equal( expected[ i ] ); i++; } } ); } ); describe( '_removeAttribute', () => { it( 'should remove attributes', () => { el._setAttribute( 'foo', true ); expect( el.hasAttribute( 'foo' ) ).to.be.true; el._removeAttribute( 'foo' ); expect( el.hasAttribute( 'foo' ) ).to.be.false; expect( count( el.getAttributeKeys() ) ).to.equal( 0 ); } ); it( 'should fire change event with attributes type', done => { el._setAttribute( 'foo', 'bar' ); el.once( 'change:attributes', eventInfo => { expect( eventInfo.source ).to.equal( el ); done(); } ); el._removeAttribute( 'foo' ); } ); it( 'should remove class attribute', () => { el._addClass( [ 'foo', 'bar' ] ); const el2 = new Element( document, 'p' ); const removed1 = el._removeAttribute( 'class' ); const removed2 = el2._removeAttribute( 'class' ); expect( el.hasAttribute( 'class' ) ).to.be.false; expect( el.hasClass( 'foo' ) ).to.be.false; expect( el.hasClass( 'bar' ) ).to.be.false; expect( removed1 ).to.be.true; expect( removed2 ).to.be.false; } ); it( 'should remove style attribute', () => { el._setStyle( 'color', 'red' ); el._setStyle( 'position', 'fixed' ); const el2 = new Element( document, 'p' ); const removed1 = el._removeAttribute( 'style' ); const removed2 = el2._removeAttribute( 'style' ); expect( el.hasAttribute( 'style' ) ).to.be.false; expect( el.hasStyle( 'color' ) ).to.be.false; expect( el.hasStyle( 'position' ) ).to.be.false; expect( removed1 ).to.be.true; expect( removed2 ).to.be.false; } ); } ); } ); describe( 'classes manipulation methods', () => { let el; beforeEach( () => { el = new Element( document, 'p' ); } ); describe( '_addClass()', () => { it( 'should add single class', () => { el._addClass( 'one' ); expect( el._classes.has( 'one' ) ).to.be.true; } ); it( 'should fire change event with attributes type', done => { el.once( 'change:attributes', eventInfo => { expect( eventInfo.source ).to.equal( el ); done(); } ); el._addClass( 'one' ); } ); it( 'should add multiple classes', () => { el._addClass( [ 'one', 'two', 'three' ] ); expect( el._classes.has( 'one' ) ).to.be.true; expect( el._classes.has( 'two' ) ).to.be.true; expect( el._classes.has( 'three' ) ).to.be.true; } ); } ); describe( '_removeClass()', () => { it( 'should remove single class', () => { el._addClass( [ 'one', 'two', 'three' ] ); el._removeClass( 'one' ); expect( el._classes.has( 'one' ) ).to.be.false; expect( el._classes.has( 'two' ) ).to.be.true; expect( el._classes.has( 'three' ) ).to.be.true; } ); it( 'should fire change event with attributes type', done => { el._addClass( 'one' ); el.once( 'change:attributes', eventInfo => { expect( eventInfo.source ).to.equal( el ); done(); } ); el._removeClass( 'one' ); } ); it( 'should remove multiple classes', () => { el._addClass( [ 'one', 'two', 'three', 'four' ] ); el._removeClass( [ 'one', 'two', 'three' ] ); expect( el._classes.has( 'one' ) ).to.be.false; expect( el._classes.has( 'two' ) ).to.be.false; expect( el._classes.has( 'three' ) ).to.be.false; expect( el._classes.has( 'four' ) ).to.be.true; } ); } ); describe( 'hasClass', () => { it( 'should check if element has a class', () => { el._addClass( [ 'one', 'two', 'three' ] ); expect( el.hasClass( 'one' ) ).to.be.true; expect( el.hasClass( 'two' ) ).to.be.true; expect( el.hasClass( 'three' ) ).to.be.true; expect( el.hasClass( 'four' ) ).to.be.false; } ); it( 'should check if element has multiple classes', () => { el._addClass( [ 'one', 'two', 'three' ] ); expect( el.hasClass( 'one', 'two' ) ).to.be.true; expect( el.hasClass( 'three', 'two' ) ).to.be.true; expect( el.hasClass( 'three', 'one', 'two' ) ).to.be.true; expect( el.hasClass( 'three', 'one', 'two', 'zero' ) ).to.be.false; } ); } ); describe( 'getClassNames', () => { it( 'should return iterator with all class names', () => { const names = [ 'one', 'two', 'three' ]; el._addClass( names ); const iterator = el.getClassNames(); let i = 0; for ( const name of iterator ) { expect( name ).to.equal( names[ i++ ] ); } } ); } ); } ); describe( 'styles manipulation methods', () => { let el; beforeEach( () => { el = new Element( document, 'p' ); } ); describe( '_setStyle()', () => { it( 'should set element style', () => { el._setStyle( 'color', 'red' ); expect( el._styles._styles.color ).to.equal( 'red' ); } ); it( 'should fire change event with attributes type', done => { el.once( 'change:attributes', eventInfo => { expect( eventInfo.source ).to.equal( el ); done(); } ); el._setStyle( 'color', 'red' ); } ); it( 'should set multiple styles by providing an object', () => { el._setStyle( { color: 'red', position: 'fixed' } ); expect( el._styles._styles.color ).to.equal( 'red' ); expect( el._styles._styles.position ).to.equal( 'fixed' ); } ); } ); describe( 'getStyle', () => { it( 'should get style', () => { el._setStyle( { color: 'red', 'margin-top': '1px' } ); expect( el.getStyle( 'color' ) ).to.equal( 'red' ); expect( el.getStyle( 'margin-top' ) ).to.equal( '1px' ); } ); } ); describe( 'getNormalizedStyle', () => { it( 'should get normalized style', () => { el._setStyle( { color: 'red', 'margin-top': '1px' } ); expect( el.getNormalizedStyle( 'color' ) ).to.equal( 'red' ); expect( el.getNormalizedStyle( 'margin-top' ) ).to.equal( '1px' ); } ); } ); describe( 'getStyleNames', () => { it( 'should return iterator with all style names', () => { const names = [ 'color', 'position' ]; el._setStyle( { color: 'red', position: 'absolute' } ); const iterator = el.getStyleNames(); let i = 0; for ( const name of iterator ) { expect( name ).to.equal( names[ i++ ] ); } } ); } ); describe( 'hasStyle', () => { it( 'should check if element has a style', () => { el._setStyle( 'padding-top', '10px' ); expect( el.hasStyle( 'padding-top' ) ).to.be.true; expect( el.hasStyle( 'padding-left' ) ).to.be.false; } ); it( 'should check if element has multiple styles', () => { el._setStyle( { 'padding-top': '10px', 'margin-left': '10px', 'color': '10px;' } ); expect( el.hasStyle( 'padding-top', 'margin-left' ) ).to.be.true; expect( el.hasStyle( 'padding-top', 'margin-left', 'color' ) ).to.be.true; expect( el.hasStyle( 'padding-top', 'padding-left' ) ).to.be.false; } ); } ); describe( '_removeStyle()', () => { it( 'should remove style', () => { el._setStyle( 'padding-top', '10px' ); el._removeStyle( 'padding-top' ); expect( el.hasStyle( 'padding-top' ) ).to.be.false; } ); it( 'should fire change event with attributes type', done => { el._setStyle( 'color', 'red' ); el.once( 'change:attributes', eventInfo => { expect( eventInfo.source ).to.equal( el ); done(); } ); el._removeStyle( 'color' ); } ); it( 'should remove multiple styles', () => { el._setStyle( { 'padding-top': '10px', 'margin-top': '10px', 'color': 'red' } ); el._removeStyle( [ 'padding-top', 'margin-top' ] ); expect( el.hasStyle( 'padding-top' ) ).to.be.false; expect( el.hasStyle( 'margin-top' ) ).to.be.false; expect( el.hasStyle( 'color' ) ).to.be.true; } ); } ); } ); describe( 'findAncestor', () => { it( 'should return null if element have no ancestor', () => { const el = new Element( document, 'p' ); expect( el.findAncestor( 'div' ) ).to.be.null; } ); it( 'should return ancestor if matching', () => { const el1 = new Element( document, 'p' ); const el2 = new Element( document, 'div', null, el1 ); expect( el1.findAncestor( 'div' ) ).to.equal( el2 ); } ); it( 'should return parent\'s ancestor if matching', () => { const el1 = new Element( document, 'p' ); const el2 = new Element( document, 'div', null, el1 ); const el3 = new Element( document, 'div', { class: 'foo bar' }, el2 ); expect( el1.findAncestor( { classes: 'foo' } ) ).to.equal( el3 ); } ); it( 'should return null if no matches found', () => { const el1 = new Element( document, 'p' ); new Element( document, 'div', null, el1 ); // eslint-disable-line no-new expect( el1.findAncestor( { name: 'div', classes: 'container' } ) ).to.be.null; } ); } ); describe( 'custom properties', () => { it( 'should allow to set and get custom properties', () => { const el = new Element( document, 'p' ); el._setCustomProperty( 'foo', 'bar' ); expect( el.getCustomProperty( 'foo' ) ).to.equal( 'bar' ); } ); it( 'should allow to add symbol property', () => { const el = new Element( document, 'p' ); const symbol = Symbol( 'custom' ); el._setCustomProperty( symbol, 'bar' ); expect( el.getCustomProperty( symbol ) ).to.equal( 'bar' ); } ); it( 'should allow to remove custom property', () => { const el = new Element( document, 'foo' ); const symbol = Symbol( 'quix' ); el._setCustomProperty( 'bar', 'baz' ); el._setCustomProperty( symbol, 'test' ); expect( el.getCustomProperty( 'bar' ) ).to.equal( 'baz' ); expect( el.getCustomProperty( symbol ) ).to.equal( 'test' ); el._removeCustomProperty( 'bar' ); el._removeCustomProperty( symbol ); expect( el.getCustomProperty( 'bar' ) ).to.be.undefined; expect( el.getCustomProperty( symbol ) ).to.be.undefined; } ); it( 'should allow to iterate over custom properties', () => { const el = new Element( document, 'p' ); el._setCustomProperty( 'foo', 1 ); el._setCustomProperty( 'bar', 2 ); el._setCustomProperty( 'baz', 3 ); const properties = [ ...el.getCustomProperties() ]; expect( properties[ 0 ][ 0 ] ).to.equal( 'foo' ); expect( properties[ 0 ][ 1 ] ).to.equal( 1 ); expect( properties[ 1 ][ 0 ] ).to.equal( 'bar' ); expect( properties[ 1 ][ 1 ] ).to.equal( 2 ); expect( properties[ 2 ][ 0 ] ).to.equal( 'baz' ); expect( properties[ 2 ][ 1 ] ).to.equal( 3 ); } ); } ); describe( 'getIdentity()', () => { it( 'should return only name if no other attributes are present', () => { const el = new Element( document, 'foo' ); expect( el.getIdentity() ).to.equal( 'foo' ); } ); it( 'should return classes in sorted order', () => { const el = new Element( document, 'fruit' ); el._addClass( [ 'banana', 'lemon', 'apple' ] ); expect( el.getIdentity() ).to.equal( 'fruit class="apple,banana,lemon"' ); } ); it( 'should return styles in sorted order', () => { const el = new Element( document, 'foo', { style: 'margin-top: 2em; background-color: red' } ); expect( el.getIdentity() ).to.equal( 'foo style="background-color:red;margin-top:2em;"' ); } ); it( 'should return attributes in sorted order', () => { const el = new Element( document, 'foo', { a: 1, d: 4, b: 3 } ); expect( el.getIdentity() ).to.equal( 'foo a="1" b="3" d="4"' ); } ); it( 'should return classes, styles and attributes', () => { const el = new Element( document, 'baz', { foo: 'one', bar: 'two', style: 'text-align:center;border-radius:10px' } ); el._addClass( [ 'three', 'two', 'one' ] ); expect( el.getIdentity() ).to.equal( 'baz class="one,three,two" style="border-radius:10px;text-align:center;" bar="two" foo="one"' ); } ); } ); } );