removedelta.js 3.0 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. import transformations from '/ckeditor5/engine/model/delta/basic-transformations.js';
  7. /*jshint unused: false*/
  8. import transform from '/ckeditor5/engine/model/delta/transform.js';
  9. import Position from '/ckeditor5/engine/model/position.js';
  10. import Range from '/ckeditor5/engine/model/range.js';
  11. import RemoveDelta from '/ckeditor5/engine/model/delta/movedelta.js';
  12. import SplitDelta from '/ckeditor5/engine/model/delta/splitdelta.js';
  13. import MoveOperation from '/ckeditor5/engine/model/operation/moveoperation.js';
  14. import { getNodesAndText, jsonParseStringify } from '/tests/engine/model/_utils/utils.js';
  15. import {
  16. applyDelta,
  17. expectDelta,
  18. getFilledDocument,
  19. getMergeDelta,
  20. getRemoveDelta
  21. } from '/tests/engine/model/delta/transform/_utils/utils.js';
  22. describe( 'transform', () => {
  23. let doc, root, gy, baseVersion;
  24. beforeEach( () => {
  25. doc = getFilledDocument();
  26. root = doc.getRoot();
  27. gy = doc.graveyard;
  28. baseVersion = doc.version;
  29. } );
  30. describe( 'RemoveDelta by', () => {
  31. let removeDelta;
  32. beforeEach( () => {
  33. let sourcePosition = new Position( root, [ 3, 3, 3 ] );
  34. let howMany = 1;
  35. removeDelta = getRemoveDelta( sourcePosition, howMany, baseVersion );
  36. } );
  37. describe( 'MergeDelta', () => {
  38. it( 'node on the right side of merge was removed', () => {
  39. // This special case should be handled by MoveDelta x MergeDelta special case.
  40. let mergePosition = new Position( root, [ 3, 3, 3 ] );
  41. let mergeDelta = getMergeDelta( mergePosition, 4, 12, baseVersion );
  42. let transformed = transform( removeDelta, mergeDelta );
  43. expect( transformed.length ).to.equal( 2 );
  44. baseVersion = mergeDelta.operations.length;
  45. expectDelta( transformed[ 0 ], {
  46. type: SplitDelta,
  47. operations: [
  48. {
  49. type: MoveOperation,
  50. sourcePosition: new Position( gy, [ 0, 0 ] ),
  51. howMany: 1,
  52. targetPosition: new Position( root, [ 3, 3, 3 ] ),
  53. baseVersion: baseVersion
  54. },
  55. {
  56. type: MoveOperation,
  57. sourcePosition: new Position( root, [ 3, 3, 2, 4 ] ),
  58. howMany: 12,
  59. targetPosition: new Position( root, [ 3, 3, 3, 0 ] ),
  60. baseVersion: baseVersion + 1
  61. }
  62. ]
  63. } );
  64. expectDelta( transformed[ 1 ], {
  65. type: RemoveDelta,
  66. operations: [
  67. {
  68. type: MoveOperation,
  69. sourcePosition: removeDelta._moveOperation.sourcePosition,
  70. howMany: removeDelta._moveOperation.howMany,
  71. baseVersion: baseVersion + 2
  72. }
  73. ]
  74. } );
  75. // Test if deltas do what they should after applying transformed delta.
  76. applyDelta( mergeDelta, doc );
  77. applyDelta( transformed[ 0 ], doc );
  78. applyDelta( transformed[ 1 ], doc );
  79. let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3 ] ), 1 ) );
  80. // RemoveDelta is applied. MergeDelta is discarded.
  81. expect( nodesAndText ).to.equal( 'DIVXXXXXabcdXDIV' );
  82. } );
  83. } );
  84. } );
  85. } );