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: treemodel, operation */
  6. 'use strict';
  7. import transformations from '/ckeditor5/engine/treemodel/delta/basic-transformations.js';
  8. /*jshint unused: false*/
  9. import transform from '/ckeditor5/engine/treemodel/delta/transform.js';
  10. import Position from '/ckeditor5/engine/treemodel/position.js';
  11. import Range from '/ckeditor5/engine/treemodel/range.js';
  12. import RemoveDelta from '/ckeditor5/engine/treemodel/delta/movedelta.js';
  13. import SplitDelta from '/ckeditor5/engine/treemodel/delta/splitdelta.js';
  14. import MoveOperation from '/ckeditor5/engine/treemodel/operation/moveoperation.js';
  15. import treeModelTestUtils from '/tests/engine/treemodel/_utils/utils.js';
  16. const getNodesAndText = treeModelTestUtils.getNodesAndText;
  17. import {
  18. applyDelta,
  19. expectDelta,
  20. getFilledDocument,
  21. getMergeDelta,
  22. getRemoveDelta
  23. } from '/tests/engine/treemodel/delta/transform/_utils/utils.js';
  24. describe( 'transform', () => {
  25. let doc, root, gy, baseVersion;
  26. beforeEach( () => {
  27. doc = getFilledDocument();
  28. root = doc.getRoot( 'root' );
  29. gy = doc.graveyard;
  30. baseVersion = doc.version;
  31. } );
  32. describe( 'RemoveDelta by', () => {
  33. let removeDelta;
  34. beforeEach( () => {
  35. let sourcePosition = new Position( root, [ 3, 3, 3 ] );
  36. let howMany = 1;
  37. removeDelta = getRemoveDelta( sourcePosition, howMany, baseVersion );
  38. } );
  39. describe( 'MergeDelta', () => {
  40. it( 'node on the right side of merge was removed', () => {
  41. // This special case should be handled by MoveDelta x MergeDelta special case.
  42. let mergePosition = new Position( root, [ 3, 3, 3 ] );
  43. let mergeDelta = getMergeDelta( mergePosition, 4, 12, baseVersion );
  44. let transformed = transform( removeDelta, mergeDelta );
  45. expect( transformed.length ).to.equal( 2 );
  46. baseVersion = mergeDelta.operations.length;
  47. expectDelta( transformed[ 0 ], {
  48. type: SplitDelta,
  49. operations: [
  50. {
  51. type: MoveOperation,
  52. sourcePosition: new Position( gy, [ 0 ] ),
  53. howMany: 1,
  54. targetPosition: new Position( root, [ 3, 3, 3 ] ),
  55. baseVersion: baseVersion
  56. },
  57. {
  58. type: MoveOperation,
  59. sourcePosition: new Position( root, [ 3, 3, 2, 4 ] ),
  60. howMany: 12,
  61. targetPosition: new Position( root, [ 3, 3, 3, 0 ] ),
  62. baseVersion: baseVersion + 1
  63. }
  64. ]
  65. } );
  66. expectDelta( transformed[ 1 ], {
  67. type: RemoveDelta,
  68. operations: [
  69. {
  70. type: MoveOperation,
  71. sourcePosition: removeDelta._moveOperation.sourcePosition,
  72. howMany: removeDelta._moveOperation.howMany,
  73. baseVersion: baseVersion + 2
  74. }
  75. ]
  76. } );
  77. // Test if deltas do what they should after applying transformed delta.
  78. applyDelta( mergeDelta, doc );
  79. applyDelta( transformed[ 0 ], doc );
  80. applyDelta( transformed[ 1 ], doc );
  81. let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3 ] ), 1 ) );
  82. // RemoveDelta is applied. MergeDelta is discarded.
  83. expect( nodesAndText ).to.equal( 'DIVXXXXXabcdXDIV' );
  84. } );
  85. } );
  86. } );
  87. } );