text: /**
   * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
   * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
   */
  
  import ClassicEditor from '@ckeditor/ckeditor5-editor-classic/src/classiceditor';
  import Image from '../../../src/image';
  import global from '@ckeditor/ckeditor5-utils/src/dom/global';
  import Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph';
  import View from '@ckeditor/ckeditor5-ui/src/view';
  import ContextualBalloon from '@ckeditor/ckeditor5-ui/src/panel/balloon/contextualballoon';
  import BalloonPanelView from '@ckeditor/ckeditor5-ui/src/panel/balloon/balloonpanelview';
  import { setData } from '@ckeditor/ckeditor5-engine/src/dev-utils/model';
  import { repositionContextualBalloon, getBalloonPositionData } from '../../../src/image/ui/utils';
  import ImageCaption from '../../../src/imagecaption';
  
  describe( 'Utils', () => {
  	const defaultPositions = BalloonPanelView.defaultPositions;
  	const positions = [
  		defaultPositions.northArrowSouth,
  		defaultPositions.northArrowSouthWest,
  		defaultPositions.northArrowSouthEast,
  		defaultPositions.southArrowNorth,
  		defaultPositions.southArrowNorthWest,
  		defaultPositions.southArrowNorthEast,
  		defaultPositions.viewportStickyNorth
  	];
  
  	let editor, converter, selection, balloon, editorElement;
  
  	beforeEach( () => {
  		editorElement = global.document.createElement( 'div' );
  		global.document.body.appendChild( editorElement );
  
  		return ClassicEditor
  			.create( editorElement, {
  				plugins: [ Image, Paragraph, ContextualBalloon, ImageCaption ]
  			} )
  			.then( newEditor => {
  				editor = newEditor;
  				converter = editor.editing.view.domConverter;
  				selection = editor.editing.view.document.selection;
  				balloon = editor.plugins.get( 'ContextualBalloon' );
  			} );
  	} );
  
  	afterEach( () => {
  		editorElement.remove();
  
  		return editor.destroy();
  	} );
  
  	describe( 'repositionContextualBalloon', () => {
  		it( 'should re-position the ContextualBalloon when the image is selected', () => {
  			const spy = sinon.spy( balloon, 'updatePosition' );
  			const view = new View();
  
  			view.element = global.document.createElement( 'div' );
  
  			balloon.add( {
  				view,
  				position: {
  					target: global.document.body
  				}
  			} );
  
  			setData( editor.model, '[<imageBlock src=""></imageBlock>]' );
  			repositionContextualBalloon( editor );
  
  			sinon.assert.calledWithExactly( spy, {
  				target: converter.viewToDom( selection.getSelectedElement() ),
  				positions
  			} );
  		} );
  
  		it( 'should re-position the ContextualBalloon when the selection is inside a block image caption', () => {
  			const spy = sinon.spy( balloon, 'updatePosition' );
  			const view = new View();
  
  			view.element = global.document.createElement( 'div' );
  
  			balloon.add( {
  				view,
  				position: {
  					target: global.document.body
  				}
  			} );
  
  			setData( editor.model, '<imageBlock src=""><caption>[Foo]</caption></imageBlock>' );
  			repositionContextualBalloon( editor );
  
  			sinon.assert.calledWithExactly( spy, {
  				target: converter.viewToDom( selection.getFirstPosition().parent.parent.parent ),
  				positions
  			} );
  		} );
  
  		it( 'should not engage with no image is selected', () => {
  			const spy = sinon.spy( balloon, 'updatePosition' );
  
  			setData( editor.model, '<paragraph>foo</paragraph>' );
  
  			repositionContextualBalloon( editor );
  			sinon.assert.notCalled( spy );
  		} );
  	} );
  
  	describe( 'getBalloonPositionData', () => {
  		it( 'returns the position data if selection is on an image', () => {
  			setData( editor.model, '[<imageBlock src=""></imageBlock>]' );
  			const data = getBalloonPositionData( editor );
  
  			expect( data ).to.deep.equal( {
  				target: converter.viewToDom( selection.getSelectedElement() ),
  				positions
  			} );
  		} );
  
  		it( 'returns the position data if selection is in a block image caption', () => {
  			setData( editor.model, '<imageBlock src=""><caption>Foo[]</caption></imageBlock>' );
  			const data = getBalloonPositionData( editor );
  
  			expect( data ).to.deep.equal( {
  				target: converter.viewToDom( selection.getFirstPosition().parent.parent.parent ),
  				positions
  			} );
  		} );
  	} );
  } );
  