/** * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ 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 encodedImage from './_utils/encodedimage.txt'; describe( 'Element', () => { describe( 'constructor()', () => { it( 'should create element without attributes', () => { const el = new Element( '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( '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( '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 create element with children', () => { const child = new Element( 'p', { foo: 'bar' } ); const parent = new Element( '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( '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 map', () => { const el = new Element( '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.get( 'one' ) ).to.equal( 'style1' ); expect( el._styles.has( 'two' ) ).to.be.true; expect( el._styles.get( 'two' ) ).to.equal( 'style2' ); expect( el._styles.has( 'three' ) ).to.be.true; expect( el._styles.get( 'three' ) ).to.equal( 'url(http://ckeditor.com)' ); } ); } ); describe( 'is', () => { let el; before( () => { el = new Element( 'p' ); } ); it( 'should return true for element, element with correct name and element name', () => { expect( el.is( 'element' ) ).to.be.true; expect( el.is( 'element', 'p' ) ).to.be.true; expect( el.is( 'p' ) ).to.be.true; } ); it( 'should return false for other accept values', () => { expect( el.is( 'element', 'span' ) ).to.be.false; expect( el.is( 'span' ) ).to.be.false; expect( el.is( '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( 'rootElement' ) ).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( 'p' ); expect( element.isEmpty ).to.be.true; } ); it( 'should return false if there are children in element', () => { const fragment = new Element( 'p', null, new Element( 'img' ) ); expect( fragment.isEmpty ).to.be.false; } ); } ); describe( 'clone', () => { it( 'should clone element', () => { const el = new Element( '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( 'p', { attr1: 'foo', attr2: 'bar' }, [ new Element( 'b', { attr: 'baz' } ), new Element( '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( 'p', { attr1: 'foo', attr2: 'bar' }, [ new Element( 'b', { attr: 'baz' } ), new Element( '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( '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( '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.get( 'color' ) ).to.equal( 'red' ); expect( clone._styles.has( 'font-size' ) ).to.be.true; expect( clone._styles.get( 'font-size' ) ).to.equal( '12px' ); } ); it( 'should clone custom properties', () => { const el = new Element( '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( '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', () => { const el = new Element( '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( 'p', { foo: 'bar' } ); expect( el.isSimilar( other ) ).to.be.true; } ); it( 'sould 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( 'p' ); const el2 = new Element( 'p' ); const el3 = new Element( 'p' ); const el4 = new Element( '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; } ); it( 'should compare styles attribute', () => { const el1 = new Element( 'p' ); const el2 = new Element( 'p' ); const el3 = new Element( 'p' ); const el4 = new Element( 'p' ); el1.setStyle( 'color', 'red' ); el1.setStyle( 'top', '10px' ); el2.setStyle( 'top', '20px' ); el3.setStyle( 'top', '10px' ); el3.setStyle( 'color', 'red' ); el4.setStyle( 'color', 'blue' ); el4.setStyle( 'top', '10px' ); expect( el1.isSimilar( el2 ) ).to.be.false; expect( el1.isSimilar( el3 ) ).to.be.true; expect( el2.isSimilar( el3 ) ).to.be.false; expect( el3.isSimilar( el4 ) ).to.be.false; } ); } ); describe( 'children manipulation methods', () => { let parent, el1, el2, el3, el4; beforeEach( () => { parent = new Element( 'p' ); el1 = new Element( 'el1' ); el2 = new Element( 'el2' ); el3 = new Element( 'el3' ); el4 = new Element( 'el4' ); } ); describe( 'insertion', () => { it( 'should insert children', () => { const count1 = parent.insertChildren( 0, [ el1, el3 ] ); const count2 = parent.insertChildren( 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.insertChildren( 0, 'abc' ); expect( parent.childCount ).to.equal( 1 ); expect( parent.getChild( 0 ) ).to.have.property( 'data' ).that.equals( 'abc' ); parent.removeChildren( 0, 1 ); parent.insertChildren( 0, [ new Element( '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.insertChildren( 0, el1 ); const count2 = parent.appendChildren( el2 ); const count3 = parent.appendChildren( 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( 'div' ); const text = new Text( 'abcxyz' ); const textProxy = new TextProxy( text, 2, 3 ); element.insertChildren( 0, textProxy ); expect( element.childCount ).to.equal( 1 ); expect( element.getChild( 0 ) ).to.be.instanceof( Text ); expect( element.getChild( 0 ).data ).to.equal( 'cxy' ); } ); } ); describe( 'getChildIndex', () => { it( 'should return child index', () => { parent.appendChildren( el1 ); parent.appendChildren( el2 ); parent.appendChildren( 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.appendChildren( el1 ); parent.appendChildren( el2 ); parent.appendChildren( 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.appendChildren( el1 ); parent.appendChildren( el2 ); parent.appendChildren( el3 ); parent.appendChildren( 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.appendChildren( el1 ); parent.appendChildren( el2 ); parent.appendChildren( 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( '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', 'border:none' ); expect( el.hasStyle( 'color' ) ).to.be.false; expect( el.hasStyle( 'top' ) ).to.be.false; expect( el.hasStyle( 'border' ) ).to.be.true; expect( el.getStyle( 'border' ) ).to.equal( 'none' ); } ); } ); 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', 'width:20px;font-weight:bold;' ] ] ); } ); } ); 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( '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( '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( '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( 'p' ); } ); describe( 'setStyle', () => { it( 'should set element style', () => { el.setStyle( 'color', 'red' ); expect( el._styles.has( 'color' ) ).to.be.true; expect( el._styles.get( '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.has( 'color' ) ).to.be.true; expect( el._styles.has( 'position' ) ).to.be.true; expect( el._styles.get( 'color' ) ).to.equal( 'red' ); expect( el._styles.get( 'position' ) ).to.equal( 'fixed' ); } ); } ); describe( 'getStyle', () => { it( 'should get style', () => { el.setStyle( { color: 'red', border: '1px solid red' } ); expect( el.getStyle( 'color' ) ).to.equal( 'red' ); expect( el.getStyle( 'border' ) ).to.equal( '1px solid red' ); } ); } ); 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( 'styles parsing edge cases and incorrect styles', () => { it( 'should not crash and not add any styles if styles attribute was empty', () => { const element = new Element( 'div', { style: '' } ); const styles = Array.from( element.getStyleNames() ); expect( styles ).to.deep.equal( [] ); } ); it( 'should be able to parse big styles definition', () => { expect( () => { // eslint-disable-next-line no-new new Element( 'div', { style: `background-image:url('data:image/jpeg;base64,${ encodedImage }')` } ); } ).not.to.throw(); } ); it( 'should work with both types of quotes and ignore values inside quotes', () => { let element; element = new Element( 'div', { style: 'background-image:url("im;color:g.jpg")' } ); expect( element.getStyle( 'background-image' ) ).to.equal( 'url("im;color:g.jpg")' ); element = new Element( 'div', { style: 'background-image:url(\'im;color:g.jpg\')' } ); expect( element.getStyle( 'background-image' ) ).to.equal( 'url(\'im;color:g.jpg\')' ); } ); it( 'should not be confused by whitespaces', () => { const element = new Element( 'div', { style: '\ncolor:\n red ' } ); expect( element.getStyle( 'color' ) ).to.equal( 'red' ); } ); it( 'should not be confused by duplicated semicolon', () => { const element = new Element( 'div', { style: 'color: red;; display: inline' } ); expect( element.getStyle( 'color' ) ).to.equal( 'red' ); expect( element.getStyle( 'display' ) ).to.equal( 'inline' ); } ); it( 'should not throw when value is missing', () => { const element = new Element( 'div', { style: 'color:; display: inline' } ); expect( element.getStyle( 'color' ) ).to.equal( '' ); expect( element.getStyle( 'display' ) ).to.equal( 'inline' ); } ); it( 'should not throw when colon is duplicated', () => { const element = new Element( 'div', { style: 'color:: red; display: inline' } ); // The result makes no sense, but here we just check that the algorithm doesn't crash. expect( element.getStyle( 'color' ) ).to.equal( ': red' ); expect( element.getStyle( 'display' ) ).to.equal( 'inline' ); } ); it( 'should not throw when random stuff passed', () => { const element = new Element( 'div', { style: 'color: red;:; ;;" ": display: inline; \'aaa;:' } ); // The result makes no sense, but here we just check that the algorithm doesn't crash. expect( element.getStyle( 'color' ) ).to.equal( 'red' ); expect( element.getStyle( 'display' ) ).to.be.undefined; } ); } ); } ); describe( 'findAncestor', () => { it( 'should return null if element have no ancestor', () => { const el = new Element( 'p' ); expect( el.findAncestor( 'div' ) ).to.be.null; } ); it( 'should return ancestor if matching', () => { const el1 = new Element( 'p' ); const el2 = new Element( 'div', null, el1 ); expect( el1.findAncestor( 'div' ) ).to.equal( el2 ); } ); it( 'should return parent\'s ancestor if matching', () => { const el1 = new Element( 'p' ); const el2 = new Element( 'div', null, el1 ); const el3 = new Element( 'div', { class: 'foo bar' }, el2 ); expect( el1.findAncestor( { class: 'foo' } ) ).to.equal( el3 ); } ); it( 'should return null if no matches found', () => { const el1 = new Element( 'p' ); new Element( 'div', null, el1 ); // eslint-disable-line no-new expect( el1.findAncestor( { name: 'div', class: 'container' } ) ).to.be.null; } ); } ); describe( 'custom properties', () => { it( 'should allow to set and get custom properties', () => { const el = new Element( 'p' ); el.setCustomProperty( 'foo', 'bar' ); expect( el.getCustomProperty( 'foo' ) ).to.equal( 'bar' ); } ); it( 'should allow to add symbol property', () => { const el = new Element( '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( '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( '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( 'foo' ); expect( el.getIdentity() ).to.equal( 'foo' ); } ); it( 'should return classes in sorted order', () => { const el = new Element( '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( 'foo', { style: 'border: 1px solid red; background-color: red' } ); expect( el.getIdentity() ).to.equal( 'foo style="background-color:red;border:1px solid red"' ); } ); it( 'should return attributes in sorted order', () => { const el = new Element( '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( '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"' ); } ); } ); } );