delta.js 1.8 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: treemodel, operation */
  6. 'use strict';
  7. import transform from '/ckeditor5/core/treemodel/delta/transform.js';
  8. import Position from '/ckeditor5/core/treemodel/position.js';
  9. import MoveOperation from '/ckeditor5/core/treemodel/operation/moveoperation.js';
  10. import Delta from '/ckeditor5/core/treemodel/delta/delta.js';
  11. import {
  12. expectDelta,
  13. getFilledDocument,
  14. } from '/tests/core/treemodel/delta/transform/_utils/utils.js';
  15. describe( 'transform', () => {
  16. let doc, root, baseVersion;
  17. beforeEach( () => {
  18. doc = getFilledDocument();
  19. root = doc.getRoot( 'root' );
  20. baseVersion = doc.version;
  21. } );
  22. it( 'should transform delta by transforming it\'s operations', () => {
  23. let deltaA = new Delta();
  24. let deltaB = new Delta();
  25. deltaA.addOperation( new MoveOperation( new Position( root, [ 1, 2, 3 ] ), 4, new Position( root, [ 4, 0 ] ), baseVersion ) );
  26. deltaB.addOperation( new MoveOperation( new Position( root, [ 1, 2, 0 ] ), 2, new Position( root, [ 4, 1 ] ), baseVersion ) );
  27. let deltaAbyB = transform( deltaA, deltaB );
  28. let deltaBbyA = transform( deltaB, deltaA );
  29. expect( deltaAbyB.length ).to.equal( 1 );
  30. expectDelta( deltaAbyB[ 0 ], {
  31. type: Delta,
  32. operations: [
  33. {
  34. type: MoveOperation,
  35. sourcePosition: new Position( root, [ 1, 2, 1 ] ),
  36. howMany: 4,
  37. targetPosition: new Position( root, [ 4, 0 ] ),
  38. baseVersion: 1
  39. }
  40. ]
  41. } );
  42. expect( deltaBbyA.length ).to.equal( 1 );
  43. expectDelta( deltaBbyA[ 0 ], {
  44. type: Delta,
  45. operations: [
  46. {
  47. type: MoveOperation,
  48. sourcePosition: new Position( root, [ 1, 2, 0 ] ),
  49. howMany: 2,
  50. targetPosition: new Position( root, [ 4, 5 ] ),
  51. baseVersion: 1
  52. }
  53. ]
  54. } );
  55. } );
  56. } );