/** * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ /* bender-tags: treeview */ 'use strict'; import Writer from '/ckeditor5/engine/treeview/writer.js'; import ContainerElement from '/ckeditor5/engine/treeview/containerelement.js'; import Range from '/ckeditor5/engine/treeview/range.js'; import DocumentFragment from '/ckeditor5/engine/treeview/documentfragment.js'; import { stringify, parse } from '/tests/engine/_utils/view.js'; describe( 'Writer', () => { let writer; /** * Executes test using `parse` and `stringify` utils functions. Uses range delimiters `[]{}` to create and * test ranges. * * @param {String} input * @param {String} expectedResult * @param {String} expectedRemoved */ function test( input, expectedResult, expectedRemoved ) { const { view, selection } = parse( input ); const range = selection.getFirstRange(); const removed = writer.remove( range ); expect( stringify( view, range, { showType: true, showPriority: true } ) ).to.equal( expectedResult ); expect( stringify( removed, null, { showType: true, showPriority: true } ) ).to.equal( expectedRemoved ); } beforeEach( () => { writer = new Writer(); } ); describe( 'remove', () => { it( 'should throw when range placed in two containers', () => { const p1 = new ContainerElement( 'p' ); const p2 = new ContainerElement( 'p' ); expect( () => { writer.remove( Range.createFromParentsAndOffsets( p1, 0, p2, 0 ) ); } ).to.throw( 'treeview-writer-invalid-range-container' ); } ); it( 'should return empty DocumentFragment when range is collapsed', () => { const p = new ContainerElement( 'p' ); const range = Range.createFromParentsAndOffsets( p, 0, p, 0 ); const fragment = writer.remove( range ); expect( fragment ).to.be.instanceof( DocumentFragment ); expect( fragment.getChildCount() ).to.equal( 0 ); expect( range.isCollapsed ).to.be.true; } ); it( 'should remove single text node', () => { test( '[foobar]', '[]', 'foobar' ); } ); it( 'should not leave empty text nodes', () => { test( '{foobar}', '[]', 'foobar' ); } ); it( 'should remove part of the text node', () => { test( 'f{oob}ar', 'f{}ar', 'oob' ); } ); it( 'should remove parts of nodes', () => { test( 'f{ooba}r', 'f[]r', 'ooba' ); } ); it( 'should merge after removing #1', () => { test( 'foo[bar]bazqux', 'foo{}bazqux', 'bar' ); } ); it( 'should merge after removing #2', () => { test( 'fo{obarba}zqux', 'fo{}zqux', 'obarba' ); } ); } ); } );