/**
* @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md.
*/
import { wrapPosition } from '../../../src/view/writer';
import Text from '../../../src/view/text';
import Element from '../../../src/view/element';
import ContainerElement from '../../../src/view/containerelement';
import AttributeElement from '../../../src/view/attributeelement';
import EmptyElement from '../../../src/view/emptyelement';
import UIElement from '../../../src/view/uielement';
import Position from '../../../src/view/position';
import CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';
import { stringify, parse } from '../../../src/dev-utils/view';
describe( 'wrapPosition', () => {
/**
* Executes test using `parse` and `stringify` utils functions.
*
* @param {String} input
* @param {String} unwrapAttribute
* @param {String} expected
*/
function test( input, unwrapAttribute, expected ) {
const { view, selection } = parse( input );
const newPosition = wrapPosition( selection.getFirstPosition(), parse( unwrapAttribute ) );
expect( stringify( view, newPosition, { showType: true, showPriority: true } ) ).to.equal( expected );
}
it( 'should throw error when element is not instance of AttributeElement', () => {
const container = new ContainerElement( 'p', null, new Text( 'foo' ) );
const position = new Position( container, 0 );
const b = new Element( 'b' );
expect( () => {
wrapPosition( position, b );
} ).to.throw( CKEditorError, 'view-writer-wrap-invalid-attribute' );
} );
it( 'should wrap position at the beginning of text node', () => {
test(
'{}foobar',
'',
'[]foobar'
);
} );
it( 'should wrap position inside text node', () => {
test(
'foo{}bar',
'',
'foo[]bar'
);
} );
it( 'should support unicode', () => {
test(
'நிலை{}க்கு',
'',
'நிலை[]க்கு'
);
} );
it( 'should wrap position inside document fragment', () => {
test(
'foo[]bar',
'',
'foo[]' +
'bar'
);
} );
it( 'should wrap position at the end of text node', () => {
test(
'foobar{}',
'',
'foobar[]'
);
} );
it( 'should merge with existing attributes #1', () => {
test(
'foo[]',
'',
'foo{}'
);
} );
it( 'should merge with existing attributes #2', () => {
test(
'[]foo',
'',
'{}foo'
);
} );
it( 'should wrap when inside nested attributes', () => {
test(
'foo{}bar',
'',
'' +
'foo' +
'[]' +
'bar' +
''
);
} );
it( 'should merge when wrapping between same attribute', () => {
test(
'foo[]bar',
'',
'foo{}bar'
);
} );
it( 'should move position to text node if in same attribute', () => {
test(
'foobar[]',
'',
'foobar{}'
);
} );
it( 'should throw if position is set inside EmptyElement', () => {
const emptyElement = new EmptyElement( 'img' );
new ContainerElement( 'p', null, emptyElement ); // eslint-disable-line no-new
const attributeElement = new AttributeElement( 'b' );
const position = new Position( emptyElement, 0 );
expect( () => {
wrapPosition( position, attributeElement );
} ).to.throw( CKEditorError, 'view-emptyelement-cannot-add' );
} );
it( 'should throw if position is set inside UIElement', () => {
const uiElement = new UIElement( 'span' );
new ContainerElement( 'p', null, uiElement ); // eslint-disable-line no-new
const attributeElement = new AttributeElement( 'b' );
const position = new Position( uiElement, 0 );
expect( () => {
wrapPosition( position, attributeElement );
} ).to.throw( CKEditorError, 'view-uielement-cannot-add' );
} );
} );