/** * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ /* bender-tags: view, browser-only */ import { unwrap } from 'ckeditor5/engine/view/writer.js'; import Element from 'ckeditor5/engine/view/element.js'; import ContainerElement from 'ckeditor5/engine/view/containerelement.js'; import AttributeElement from 'ckeditor5/engine/view/attributeelement.js'; import EmptyElement from 'ckeditor5/engine/view/emptyelement.js'; import Position from 'ckeditor5/engine/view/position.js'; import Range from 'ckeditor5/engine/view/range.js'; import Text from 'ckeditor5/engine/view/text.js'; import CKEditorError from 'ckeditor5/utils/ckeditorerror.js'; import { stringify, parse } from 'ckeditor5/engine/dev-utils/view.js'; describe( 'writer', () => { /** * Executes test using `parse` and `stringify` utils functions. * * @param {String} input * @param {String} unwrapAttribute * @param {String} expected */ function test( input, unwrapAttribute, expected ) { let { view, selection } = parse( input ); const newRange = unwrap( selection.getFirstRange(), parse( unwrapAttribute ) ); expect( stringify( view.root, newRange, { showType: true, showPriority: true } ) ).to.equal( expected ); } describe( 'unwrap', () => { it( 'should do nothing on collapsed ranges', () => { test( 'f{}oo', '', 'f{}oo' ); } ); it( 'should do nothing on single text node', () => { test( '[foobar]', '', '[foobar]' ); } ); it( 'should throw error when element is not instance of AttributeElement', () => { const container = new ContainerElement( 'p', null, new AttributeElement( 'b', null, new Text( 'foo' ) ) ); const range = new Range( new Position( container, 0 ), new Position( container, 1 ) ); const b = new Element( 'b' ); expect( () => { unwrap( range, b ); } ).to.throw( CKEditorError, 'view-writer-unwrap-invalid-attribute' ); } ); it( 'should throw error when range placed in two containers', () => { const container1 = new ContainerElement( 'p' ); const container2 = new ContainerElement( 'p' ); const range = new Range( new Position( container1, 0 ), new Position( container2, 1 ) ); const b = new AttributeElement( 'b' ); expect( () => { unwrap( range, b ); } ).to.throw( CKEditorError, 'view-writer-invalid-range-container' ); } ); it( 'should throw when range has no parent container', () => { const el = new AttributeElement( 'b' ); const b = new AttributeElement( 'b' ); expect( () => { unwrap( Range.createFromParentsAndOffsets( el, 0, el, 0 ), b ); } ).to.throw( CKEditorError, 'view-writer-invalid-range-container' ); } ); it( 'should unwrap single node', () => { test( '[foobar]', '', '[foobar]' ); } ); it( 'should not unwrap attributes with different priorities #1', () => { test( '[foobar]', '', '[foobar]' ); } ); it( 'should not unwrap attributes with different priorities #2', () => { test( '' + '[' + 'foo' + 'bar' + 'baz' + ']' + '', '', '[foobarbaz]' ); } ); it( 'should unwrap part of the node', () => { test( '[bazfoo}bar', '', '[bazfoo]bar' ); } ); it( 'should support unicode', () => { test( '[நிலைக்}கு', '', '[நிலைக்]கு' ); } ); it( 'should unwrap nested attributes', () => { test( '[foobar]', '', '[foobar]' ); } ); it( 'should merge unwrapped nodes #1', () => { test( 'foo[bar]baz', '', 'foo{bar}baz' ); } ); it( 'should merge unwrapped nodes #2', () => { const input = '' + 'foo' + 'bar' + '[' + '' + 'bazqux' + '' + ']' + ''; const attribute = ''; const result = 'foobar{bazqux]'; test( input, attribute, result ); } ); it( 'should merge unwrapped nodes #3', () => { const input = '' + 'foo' + 'bar' + '[' + '' + 'baz}qux' + '' + ''; const attribute = ''; const result = '' + 'foo' + 'bar{baz]' + '' + 'qux' + '' + ''; test( input, attribute, result ); } ); it( 'should merge unwrapped nodes #4', () => { const input = '' + 'foo' + 'bar' + '[' + '' + 'baz' + '' + ']' + 'qux' + ''; const attribute = ''; const result = '' + 'foo' + 'bar{baz}qux' + ''; test( input, attribute, result ); } ); it( 'should merge unwrapped nodes #5', () => { const input = '' + '[' + 'foo' + 'bar' + 'baz' + ']' + ''; const attribute = ''; const result = '[foobarbaz]'; test( input, attribute, result ); } ); it( 'should unwrap mixed ranges #1', () => { const input = '' + '[' + '' + 'foo]' + '' + ''; const attribute = ''; const result = '[foo]'; test( input, attribute, result ); } ); it( 'should unwrap mixed ranges #2', () => { test( '[foo}', '', '[foo]' ); } ); it( 'should unwrap single element by removing matching attributes', () => { test( '[test]', '', '[test]' ); } ); it( 'should not unwrap single element when attributes are different', () => { test( '[test]', '', '[test]' ); } ); it( 'should unwrap single element by removing matching classes', () => { test( '[test]', '', '[test]' ); } ); it( 'should not unwrap single element when classes are different', () => { test( '[test]', '', '[test]' ); } ); it( 'should unwrap single element by removing matching styles', () => { test( '' + '[test]' + '', '', '[test]' ); } ); it( 'should not unwrap single element when styles are different', () => { test( '' + '[test]' + '', '', '' + '[test]' + '' ); } ); it( 'should unwrap single node in document fragment', () => { test( '[foobar]', '', '[foobar]' ); } ); it( 'should unwrap EmptyElement', () => { test( '[]', '', '[]' ); } ); it( 'should throw if range is inside EmptyElement', () => { const empty = new EmptyElement( 'img' ); const attribute = new AttributeElement( 'b' ); const container = new ContainerElement( 'p', null, [ empty, attribute ] ); const range = Range.createFromParentsAndOffsets( empty, 0, container, 2 ); expect( () => { unwrap( range, attribute ); } ).to.throw( CKEditorError, 'view-writer-cannot-break-empty-element' ); } ); } ); } );