delta.js 2.3 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. /* bender-tags: model, operation */
  6. 'use strict';
  7. import transformations from '/ckeditor5/engine/model/delta/basic-transformations.js';
  8. /*jshint unused: false*/
  9. import transform from '/ckeditor5/engine/model/delta/transform.js';
  10. import Position from '/ckeditor5/engine/model/position.js';
  11. import MoveOperation from '/ckeditor5/engine/model/operation/moveoperation.js';
  12. import Delta from '/ckeditor5/engine/model/delta/delta.js';
  13. import {
  14. expectDelta,
  15. getFilledDocument,
  16. } from '/tests/engine/model/delta/transform/_utils/utils.js';
  17. describe( 'Delta', () => {
  18. let doc, root, baseVersion;
  19. beforeEach( () => {
  20. doc = getFilledDocument();
  21. root = doc.getRoot();
  22. baseVersion = doc.version;
  23. } );
  24. it( 'should have baseVersion property, equal to the baseVersion of first operation in Delta or null', () => {
  25. let deltaA = new Delta();
  26. expect( deltaA.baseVersion ).to.be.null;
  27. let version = 5;
  28. deltaA.addOperation( new MoveOperation( new Position( root, [ 1, 2, 3 ] ), 4, new Position( root, [ 4, 0 ] ), version ) );
  29. expect( deltaA.baseVersion ).to.equal( 5 );
  30. } );
  31. it( 'should be transformable by another Delta', () => {
  32. let deltaA = new Delta();
  33. let deltaB = new Delta();
  34. deltaA.addOperation( new MoveOperation( new Position( root, [ 1, 2, 3 ] ), 4, new Position( root, [ 4, 0 ] ), baseVersion ) );
  35. deltaB.addOperation( new MoveOperation( new Position( root, [ 1, 2, 0 ] ), 2, new Position( root, [ 4, 1 ] ), baseVersion ) );
  36. let deltaAbyB = transform( deltaA, deltaB );
  37. let deltaBbyA = transform( deltaB, deltaA );
  38. expect( deltaAbyB.length ).to.equal( 1 );
  39. expectDelta( deltaAbyB[ 0 ], {
  40. type: Delta,
  41. operations: [
  42. {
  43. type: MoveOperation,
  44. sourcePosition: new Position( root, [ 1, 2, 1 ] ),
  45. howMany: 4,
  46. targetPosition: new Position( root, [ 4, 0 ] ),
  47. baseVersion: 1
  48. }
  49. ]
  50. } );
  51. expect( deltaBbyA.length ).to.equal( 1 );
  52. expectDelta( deltaBbyA[ 0 ], {
  53. type: Delta,
  54. operations: [
  55. {
  56. type: MoveOperation,
  57. sourcePosition: new Position( root, [ 1, 2, 0 ] ),
  58. howMany: 2,
  59. targetPosition: new Position( root, [ 4, 5 ] ),
  60. baseVersion: 1
  61. }
  62. ]
  63. } );
  64. } );
  65. } );