delta.js 1.9 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 transformations from '/ckeditor5/core/treemodel/delta/basic-transformations.js';
  8. /*jshint unused: false*/
  9. import transform from '/ckeditor5/core/treemodel/delta/transform.js';
  10. import Position from '/ckeditor5/core/treemodel/position.js';
  11. import MoveOperation from '/ckeditor5/core/treemodel/operation/moveoperation.js';
  12. import Delta from '/ckeditor5/core/treemodel/delta/delta.js';
  13. import {
  14. expectDelta,
  15. getFilledDocument,
  16. } from '/tests/core/treemodel/delta/transform/_utils/utils.js';
  17. describe( 'transform', () => {
  18. let doc, root, baseVersion;
  19. beforeEach( () => {
  20. doc = getFilledDocument();
  21. root = doc.getRoot( 'root' );
  22. baseVersion = doc.version;
  23. } );
  24. it( 'should transform delta by transforming it\'s operations', () => {
  25. let deltaA = new Delta();
  26. let deltaB = new Delta();
  27. deltaA.addOperation( new MoveOperation( new Position( root, [ 1, 2, 3 ] ), 4, new Position( root, [ 4, 0 ] ), baseVersion ) );
  28. deltaB.addOperation( new MoveOperation( new Position( root, [ 1, 2, 0 ] ), 2, new Position( root, [ 4, 1 ] ), baseVersion ) );
  29. let deltaAbyB = transform( deltaA, deltaB );
  30. let deltaBbyA = transform( deltaB, deltaA );
  31. expect( deltaAbyB.length ).to.equal( 1 );
  32. expectDelta( deltaAbyB[ 0 ], {
  33. type: Delta,
  34. operations: [
  35. {
  36. type: MoveOperation,
  37. sourcePosition: new Position( root, [ 1, 2, 1 ] ),
  38. howMany: 4,
  39. targetPosition: new Position( root, [ 4, 0 ] ),
  40. baseVersion: 1
  41. }
  42. ]
  43. } );
  44. expect( deltaBbyA.length ).to.equal( 1 );
  45. expectDelta( deltaBbyA[ 0 ], {
  46. type: Delta,
  47. operations: [
  48. {
  49. type: MoveOperation,
  50. sourcePosition: new Position( root, [ 1, 2, 0 ] ),
  51. howMany: 2,
  52. targetPosition: new Position( root, [ 4, 5 ] ),
  53. baseVersion: 1
  54. }
  55. ]
  56. } );
  57. } );
  58. } );