/**
* @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md.
*/
import { mergeContainers } from '../../../src/view/writer';
import { stringify, parse } from '../../../src/dev-utils/view';
import CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';
describe( '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 test( input, expected ) {
const { view, selection } = parse( input );
const newPosition = mergeContainers( selection.getFirstPosition() );
expect( stringify( view.root, newPosition, { showType: true, showPriority: false } ) ).to.equal( expected );
}
describe( 'mergeContainers', () => {
it( 'should merge two container elements - position between elements', () => {
test(
'' +
'foo' +
'' +
'[]' +
'bar' +
'',
'foo[]bar'
);
} );
it( 'should merge two container elements - position in text', () => {
test(
'foo[]bar',
'foo{}bar'
);
} );
it( 'should merge two different container elements', () => {
test(
'foo[]bar',
'foo{}bar'
);
} );
it( 'should throw if there is no element before position', () => {
const { selection } = parse( '[]foobar' );
expect( () => {
mergeContainers( selection.getFirstPosition() );
} ).to.throw( CKEditorError, /view-writer-merge-containers-invalid-position/ );
} );
it( 'should throw if there is no element after position', () => {
const { selection } = parse( 'foobar[]' );
expect( () => {
mergeContainers( selection.getFirstPosition() );
} ).to.throw( CKEditorError, /view-writer-merge-containers-invalid-position/ );
} );
it( 'should throw if element before position is not a container element', () => {
const { selection } = parse( 'foo[]bar' );
expect( () => {
mergeContainers( selection.getFirstPosition() );
} ).to.throw( CKEditorError, /view-writer-merge-containers-invalid-position/ );
} );
it( 'should throw if element after position is not a container element', () => {
const { selection } = parse( 'foo[]bar' );
expect( () => {
mergeContainers( selection.getFirstPosition() );
} ).to.throw( CKEditorError, /view-writer-merge-containers-invalid-position/ );
} );
} );
} );