/** * @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 DowncastWriter from '../../../src/view/downcastwriter'; import Document from '../../../src/view/document'; import { stringify, parse } from '../../../src/dev-utils/view'; import ContainerElement from '../../../src/view/containerelement'; import AttributeElement from '../../../src/view/attributeelement'; import EmptyElement from '../../../src/view/emptyelement'; import UIElement from '../../../src/view/uielement'; import Range from '../../../src/view/range'; import Position from '../../../src/view/position'; import { expectToThrowCKEditorError } from '@ckeditor/ckeditor5-utils/tests/_utils/utils'; describe( 'DowncastWriter', () => { describe( 'breakAttributes()', () => { let writer, document; beforeEach( () => { document = new Document(); writer = new DowncastWriter( document ); } ); describe( 'break position', () => { /** * Executes test using `parse` and `stringify` utils functions. Uses range delimiters `[]{}` to create and * test break position. * * @param {String} input * @param {String} expected */ function testBreakAttributes( input, expected ) { const { view, selection } = parse( input ); const newPosition = writer.breakAttributes( selection.getFirstPosition() ); expect( stringify( view.root, newPosition, { showType: true, showPriority: true } ) ).to.equal( expected ); } it( 'should not break text nodes if they are not in attribute elements - middle', () => { testBreakAttributes( 'foo{}bar', 'foo{}bar' ); } ); it( 'should not break text nodes if they are not in attribute elements - beginning', () => { testBreakAttributes( '{}foobar', '{}foobar' ); } ); it( 'should not break text nodes if they are not in attribute elements #2 - end', () => { testBreakAttributes( 'foobar{}', 'foobar{}' ); } ); it( 'should split attribute element', () => { testBreakAttributes( 'foo{}bar', '' + 'foo[]bar' + '' ); } ); it( 'should move from beginning of the nested text node to the container', () => { testBreakAttributes( '' + '{}foobar' + '', '' + '[]foobar' + '' ); } ); it( 'should stick selection in text node if it is in container', () => { testBreakAttributes( 'foo{}bar', 'foo{}bar' ); } ); it( 'should split nested attributes', () => { testBreakAttributes( '' + 'foo{}bar' + '', '' + '' + '' + 'foo' + '' + '' + '[]' + '' + '' + 'bar' + '' + '' + '' ); } ); it( 'should move from end of the nested text node to the container', () => { testBreakAttributes( '' + 'foobar{}' + '', '' + 'foobar[]' + '' ); } ); it( 'should split attribute element directly in document fragment', () => { testBreakAttributes( 'foo{}bar', 'foo[]bar' ); } ); it( 'should not split text directly in document fragment', () => { testBreakAttributes( 'foo{}bar', 'foo{}bar' ); } ); } ); describe( 'break range', () => { /** * Executes test using `parse` and `stringify` utils functions. * * @param {String} input * @param {String} expected */ function testBreak( input, expected ) { const { view, selection } = parse( input ); const newRange = writer.breakAttributes( selection.getFirstRange() ); expect( stringify( view.root, newRange, { showType: true } ) ).to.equal( expected ); } it( 'should throw when range placed in two containers', () => { const p1 = new ContainerElement( 'p' ); const p2 = new ContainerElement( 'p' ); expectToThrowCKEditorError( () => { writer.breakAttributes( Range._createFromParentsAndOffsets( p1, 0, p2, 0 ) ); }, 'view-writer-invalid-range-container', document ); } ); it( 'should throw when range has no parent container', () => { const el = new AttributeElement( 'b' ); expectToThrowCKEditorError( () => { writer.breakAttributes( Range._createFromParentsAndOffsets( el, 0, el, 0 ) ); }, 'view-writer-invalid-range-container', document ); } ); it( 'should not break text nodes if they are not in attribute elements', () => { testBreak( 'foo{}bar', 'foo{}bar' ); } ); it( 'should break at collapsed range and return collapsed one', () => { testBreak( 'foo{}bar', 'foo[]bar' ); } ); it( 'should break inside text node #1', () => { testBreak( 'foo{bar}baz', '' + 'foo[bar]baz' + '' ); } ); it( 'should break inside text node #2', () => { testBreak( 'foo{barbaz}', 'foo[barbaz]' ); } ); it( 'should break inside text node #3', () => { testBreak( 'foo{barbaz]', 'foo[barbaz]' ); } ); it( 'should break inside text node #4', () => { testBreak( '{foo}barbaz', '[foo]barbaz' ); } ); it( 'should break inside text node #5', () => { testBreak( '[foo}barbaz', '[foo]barbaz' ); } ); it( 'should break placed inside different nodes', () => { testBreak( 'foo{barbaz}qux', 'foo{barbaz]qux' ); } ); it( 'should split attribute element directly in document fragment', () => { testBreak( 'fo{ob}ar', 'fo[ob]ar' ); } ); it( 'should not split text directly in document fragment', () => { testBreak( 'foo{}bar', 'foo{}bar' ); } ); it( 'should throw if breaking inside EmptyElement #1', () => { const img = new EmptyElement( 'img' ); new ContainerElement( 'p', null, img ); // eslint-disable-line no-new const position = new Position( img, 0 ); expectToThrowCKEditorError( () => { writer.breakAttributes( position ); }, 'view-writer-cannot-break-empty-element', writer ); } ); it( 'should throw if breaking inside EmptyElement #2', () => { const img = new EmptyElement( 'img' ); const b = new AttributeElement( 'b' ); new ContainerElement( 'p', null, [ img, b ] ); // eslint-disable-line no-new const range = Range._createFromParentsAndOffsets( img, 0, b, 0 ); expectToThrowCKEditorError( () => { writer.breakAttributes( range ); }, 'view-writer-cannot-break-empty-element', writer ); } ); it( 'should throw if breaking inside UIElement #1', () => { const span = new UIElement( 'span' ); new ContainerElement( 'p', null, span ); // eslint-disable-line no-new const position = new Position( span, 0 ); expectToThrowCKEditorError( () => { writer.breakAttributes( position ); }, 'view-writer-cannot-break-ui-element', writer ); } ); it( 'should throw if breaking inside UIElement #2', () => { const span = new UIElement( 'span' ); const b = new AttributeElement( 'b' ); new ContainerElement( 'p', null, [ span, b ] ); // eslint-disable-line no-new const range = Range._createFromParentsAndOffsets( span, 0, b, 0 ); expectToThrowCKEditorError( () => { writer.breakAttributes( range ); }, 'view-writer-cannot-break-ui-element', writer ); } ); } ); } ); } );