/**
* @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 ContainerElement from '../../../src/view/containerelement';
import Position from '../../../src/view/position';
import Document from '../../../src/view/document';
import { expectToThrowCKEditorError } from '@ckeditor/ckeditor5-utils/tests/_utils/utils';
import { StylesProcessor } from '../../../src/view/stylesmap';
describe( 'DowncastWriter', () => {
describe( 'breakContainer()', () => {
let writer, document;
// Executes test using `parse` and `stringify` utils functions. Uses range delimiters `[]{}` to create and
// test break position.
//
// @param {String} input
// @param {String} expected
function testBreakContainer( input, expected ) {
const { view, selection } = parse( input );
const newPosition = writer.breakContainer( selection.getFirstPosition() );
expect( stringify( view.root, newPosition, { showType: true, showPriority: false } ) ).to.equal( expected );
}
before( () => {
document = new Document( new StylesProcessor() );
writer = new DowncastWriter( document );
} );
it( 'break inside element - should break container element at given position', () => {
testBreakContainer(
'' +
'' +
'foo[]bar' +
'' +
'',
'' +
'' +
'foo' +
'' +
'[]' +
'bar' +
'' +
''
);
} );
it( 'break at start of element - should not break container and place returned position before element', () => {
testBreakContainer(
'[]foobar',
'[]foobar'
);
} );
it( 'break at the end of element - should not break container and place returned position after element', () => {
testBreakContainer(
'foobar[]',
'foobar[]'
);
} );
it( 'should throw if position parent is not container', () => {
const { selection } = parse( 'foo{}bar' );
expectToThrowCKEditorError( () => {
writer.breakContainer( selection.getFirstPosition() );
}, /view-writer-break-non-container-element/, writer );
} );
it( 'should throw if position parent is root', () => {
const element = new ContainerElement( document, 'div' );
const position = Position._createAt( element, 0 );
expectToThrowCKEditorError( () => {
writer.breakContainer( position );
}, /view-writer-break-root/, writer );
} );
} );
} );