/** * @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 { stringify, parse } from '../../../src/dev-utils/view'; import Document from '../../../src/view/document'; import { expectToThrowCKEditorError } from '@ckeditor/ckeditor5-utils/tests/_utils/utils'; import { StylesProcessor } from '../../../src/view/stylesmap'; describe( 'DowncastWriter', () => { describe( 'mergeContainers()', () => { let writer; // Executes test using `parse` and `stringify` utils functions. Uses range delimiters `[]{}` to create and // test break position. // // @param {String} input // @param {String} expected function testMerge( input, expected ) { const { view, selection } = parse( input ); const newPosition = writer.mergeContainers( selection.getFirstPosition() ); expect( stringify( view.root, newPosition, { showType: true, showPriority: false } ) ).to.equal( expected ); } before( () => { writer = new DowncastWriter( new Document( new StylesProcessor() ) ); } ); it( 'should merge two container elements - position between elements', () => { testMerge( '' + 'foo' + '' + '[]' + 'bar' + '', 'foo[]bar' ); } ); it( 'should merge two container elements - position in text', () => { testMerge( 'foo[]bar', 'foo{}bar' ); } ); it( 'should merge two different container elements', () => { testMerge( 'foo[]bar', 'foo{}bar' ); } ); it( 'should throw if there is no element before position', () => { const { selection } = parse( '[]foobar' ); expectToThrowCKEditorError( () => { writer.mergeContainers( selection.getFirstPosition() ); }, /view-writer-merge-containers-invalid-position/, writer ); } ); it( 'should throw if there is no element after position', () => { const { selection } = parse( 'foobar[]' ); expectToThrowCKEditorError( () => { writer.mergeContainers( selection.getFirstPosition() ); }, /view-writer-merge-containers-invalid-position/, writer ); } ); it( 'should throw if element before position is not a container element', () => { const { selection } = parse( 'foo[]bar' ); expectToThrowCKEditorError( () => { writer.mergeContainers( selection.getFirstPosition() ); }, /view-writer-merge-containers-invalid-position/, writer ); } ); it( 'should throw if element after position is not a container element', () => { const { selection } = parse( 'foo[]bar' ); expectToThrowCKEditorError( () => { writer.mergeContainers( selection.getFirstPosition() ); }, /view-writer-merge-containers-invalid-position/, writer ); } ); } ); } );