deleteobserver.js 2.1 KB

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  1. /**
  2. * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. 'use strict';
  6. import DeleteObserver from '/ckeditor5/typing/deleteobserver.js';
  7. import ViewDocument from '/ckeditor5/engine/view/document.js';
  8. import DomEventData from '/ckeditor5/engine/view/observer/domeventdata.js';
  9. import { getCode } from '/ckeditor5/utils/keyboard.js';
  10. describe( 'DeleteObserver', () => {
  11. let viewDocument, observer;
  12. beforeEach( () => {
  13. viewDocument = new ViewDocument();
  14. observer = viewDocument.addObserver( DeleteObserver );
  15. } );
  16. // See ckeditor/ckeditor5-enter#10.
  17. it( 'can be initialized', () => {
  18. expect( () => {
  19. viewDocument.createRoot( document.createElement( 'div' ) );
  20. } ).to.not.throw();
  21. } );
  22. describe( 'delete event', () => {
  23. it( 'is fired on keydown', () => {
  24. const spy = sinon.spy();
  25. viewDocument.on( 'delete', spy );
  26. viewDocument.fire( 'keydown', new DomEventData( viewDocument, getDomEvent(), {
  27. keyCode: getCode( 'delete' )
  28. } ) );
  29. expect( spy.calledOnce ).to.be.true;
  30. const data = spy.args[ 0 ][ 1 ];
  31. expect( data ).to.have.property( 'direction', 'FORWARD' );
  32. expect( data ).to.have.property( 'unit', 'CHARACTER' );
  33. } );
  34. it( 'is fired with a proper direction and unit', () => {
  35. const spy = sinon.spy();
  36. viewDocument.on( 'delete', spy );
  37. viewDocument.fire( 'keydown', new DomEventData( viewDocument, getDomEvent(), {
  38. keyCode: getCode( 'backspace' ),
  39. altKey: true
  40. } ) );
  41. expect( spy.calledOnce ).to.be.true;
  42. const data = spy.args[ 0 ][ 1 ];
  43. expect( data ).to.have.property( 'direction', 'BACKWARD' );
  44. expect( data ).to.have.property( 'unit', 'WORD' );
  45. } );
  46. it( 'is not fired on keydown when keyCode does not match backspace or delete', () => {
  47. const spy = sinon.spy();
  48. viewDocument.on( 'delete', spy );
  49. viewDocument.fire( 'keydown', new DomEventData( viewDocument, getDomEvent(), {
  50. keyCode: 1
  51. } ) );
  52. expect( spy.calledOnce ).to.be.false;
  53. } );
  54. } );
  55. function getDomEvent() {
  56. return {
  57. preventDefault: sinon.spy()
  58. };
  59. }
  60. } );