removedelta.js 3.1 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. /* 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 Range from '/ckeditor5/engine/model/range.js';
  12. import RemoveDelta from '/ckeditor5/engine/model/delta/movedelta.js';
  13. import SplitDelta from '/ckeditor5/engine/model/delta/splitdelta.js';
  14. import MoveOperation from '/ckeditor5/engine/model/operation/moveoperation.js';
  15. import { getNodesAndText, jsonParseStringify } from '/tests/engine/model/_utils/utils.js';
  16. import {
  17. applyDelta,
  18. expectDelta,
  19. getFilledDocument,
  20. getMergeDelta,
  21. getRemoveDelta
  22. } from '/tests/engine/model/delta/transform/_utils/utils.js';
  23. describe( 'transform', () => {
  24. let doc, root, gy, baseVersion;
  25. beforeEach( () => {
  26. doc = getFilledDocument();
  27. root = doc.getRoot( 'root' );
  28. gy = doc.graveyard;
  29. baseVersion = doc.version;
  30. } );
  31. describe( 'RemoveDelta by', () => {
  32. let removeDelta;
  33. beforeEach( () => {
  34. let sourcePosition = new Position( root, [ 3, 3, 3 ] );
  35. let howMany = 1;
  36. removeDelta = getRemoveDelta( sourcePosition, howMany, baseVersion );
  37. } );
  38. describe( 'MergeDelta', () => {
  39. it( 'node on the right side of merge was removed', () => {
  40. // This special case should be handled by MoveDelta x MergeDelta special case.
  41. let mergePosition = new Position( root, [ 3, 3, 3 ] );
  42. let mergeDelta = getMergeDelta( mergePosition, 4, 12, baseVersion );
  43. let transformed = transform( removeDelta, mergeDelta );
  44. expect( transformed.length ).to.equal( 2 );
  45. baseVersion = mergeDelta.operations.length;
  46. expectDelta( transformed[ 0 ], {
  47. type: SplitDelta,
  48. operations: [
  49. {
  50. type: MoveOperation,
  51. sourcePosition: new Position( gy, [ 0 ] ),
  52. howMany: 1,
  53. targetPosition: new Position( root, [ 3, 3, 3 ] ),
  54. baseVersion: baseVersion
  55. },
  56. {
  57. type: MoveOperation,
  58. sourcePosition: new Position( root, [ 3, 3, 2, 4 ] ),
  59. howMany: 12,
  60. targetPosition: new Position( root, [ 3, 3, 3, 0 ] ),
  61. baseVersion: baseVersion + 1
  62. }
  63. ]
  64. } );
  65. expectDelta( transformed[ 1 ], {
  66. type: RemoveDelta,
  67. operations: [
  68. {
  69. type: MoveOperation,
  70. sourcePosition: removeDelta._moveOperation.sourcePosition,
  71. howMany: removeDelta._moveOperation.howMany,
  72. baseVersion: baseVersion + 2
  73. }
  74. ]
  75. } );
  76. // Test if deltas do what they should after applying transformed delta.
  77. applyDelta( mergeDelta, doc );
  78. applyDelta( transformed[ 0 ], doc );
  79. applyDelta( transformed[ 1 ], doc );
  80. let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3 ] ), 1 ) );
  81. // RemoveDelta is applied. MergeDelta is discarded.
  82. expect( nodesAndText ).to.equal( 'DIVXXXXXabcdXDIV' );
  83. } );
  84. } );
  85. } );
  86. } );