/**
* @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 ViewContainerElement from '@ckeditor/ckeditor5-engine/src/view/containerelement';
import ViewDowncastWriter from '@ckeditor/ckeditor5-engine/src/view/downcastwriter';
import { createViewListItemElement } from '../src/utils';
describe( 'utils', () => {
let writer;
beforeEach( () => {
writer = new ViewDowncastWriter( {} );
} );
describe( 'createViewListItemElement()', () => {
it( 'should create ViewContainerElement', () => {
const item = createViewListItemElement( writer );
expect( item ).to.be.instanceof( ViewContainerElement );
} );
it( 'should have li name', () => {
const item = createViewListItemElement( writer );
expect( item.name ).to.equal( 'li' );
} );
describe( 'getFillerOffset', () => {
it( 'should return 0 if item is empty', () => {
const item = createViewListItemElement( writer );
expect( item.getFillerOffset() ).to.equal( 0 );
} );
it( 'should return 0 if item has only lists as children', () => {
const innerListItem1 = createViewListItemElement( writer );
writer.insert(
writer.createPositionAt( innerListItem1, 0 ),
writer.createText( 'foo' )
);
const innerListItem2 = createViewListItemElement( writer );
writer.insert(
writer.createPositionAt( innerListItem2, 0 ),
writer.createText( 'bar' )
);
const innerList = writer.createContainerElement( 'ul' );
writer.insert( writer.createPositionAt( innerList, 0 ), innerListItem1 );
writer.insert( writer.createPositionAt( innerList, 0 ), innerListItem2 );
const outerListItem = createViewListItemElement( writer );
writer.insert( writer.createPositionAt( outerListItem, 0 ), innerList );
expect( outerListItem.getFillerOffset() ).to.equal( 0 );
} );
it( 'should return null if item has non-list contents', () => {
const item = createViewListItemElement( writer );
writer.insert(
writer.createPositionAt( item, 0 ),
writer.createText( 'foo' )
);
expect( item.getFillerOffset() ).to.be.null;
} );
// Block filler is required after the `
` element if the element is the last child in the container.
// See: https://github.com/ckeditor/ckeditor5/issues/1312#issuecomment-436669045.
describe( 'for
elements in container', () => {
it( 'returns offset of the last child which is the
element (1)', () => {
const item = createViewListItemElement( writer );
writer.insert( writer.createPositionAt( item, 0 ), writer.createEmptyElement( 'br' ) );
expect( item.getFillerOffset() ).to.equal( 1 );
} );
it( 'returns offset of the last child which is the
element (2)', () => {
const item = createViewListItemElement( writer );
writer.insert( writer.createPositionAt( item, 0 ), writer.createEmptyElement( 'br' ) );
writer.insert( writer.createPositionAt( item, 1 ), writer.createEmptyElement( 'br' ) );
expect( item.getFillerOffset() ).to.equal( 2 );
} );
it( 'always returns the last
element in the container', () => {
const item = createViewListItemElement( writer );
writer.insert( writer.createPositionAt( item, 0 ), writer.createText( 'foo' ) );
writer.insert( writer.createPositionAt( item, 1 ), writer.createEmptyElement( 'br' ) );
writer.insert( writer.createPositionAt( item, 2 ), writer.createEmptyElement( 'br' ) );
expect( item.getFillerOffset() ).to.equal( 3 );
} );
it( 'works fine with non-empty container with multi
elements', () => {
const item = createViewListItemElement( writer );
writer.insert( writer.createPositionAt( item, 0 ), writer.createText( 'foo' ) );
writer.insert( writer.createPositionAt( item, 1 ), writer.createEmptyElement( 'br' ) );
writer.insert( writer.createPositionAt( item, 2 ), writer.createText( 'bar' ) );
writer.insert( writer.createPositionAt( item, 3 ), writer.createEmptyElement( 'br' ) );
expect( item.getFillerOffset() ).to.equal( 4 );
} );
it( 'ignores the ui elements', () => {
const item = createViewListItemElement( writer );
writer.insert( writer.createPositionAt( item, 0 ), writer.createUIElement( 'span' ) );
writer.insert( writer.createPositionAt( item, 1 ), writer.createEmptyElement( 'br' ) );
expect( item.getFillerOffset() ).to.equal( 2 );
} );
it( 'empty element must be the
element', () => {
const item = createViewListItemElement( writer );
writer.insert(
writer.createPositionAt( item, 0 ),
writer.createEmptyElement( 'img' )
);
expect( item.getFillerOffset() ).to.be.null;
} );
} );
} );
} );
} );