mergedelta.js 5.0 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
  1. /**
  2. * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* bender-tags: model, delta */
  6. import Document from '/ckeditor5/engine/model/document.js';
  7. import Position from '/ckeditor5/engine/model/position.js';
  8. import Element from '/ckeditor5/engine/model/element.js';
  9. import Text from '/ckeditor5/engine/model/text.js';
  10. import CKEditorError from '/ckeditor5/utils/ckeditorerror.js';
  11. import MergeDelta from '/ckeditor5/engine/model/delta/mergedelta.js';
  12. import SplitDelta from '/ckeditor5/engine/model/delta/splitdelta.js';
  13. import MoveOperation from '/ckeditor5/engine/model/operation/moveoperation.js';
  14. import RemoveOperation from '/ckeditor5/engine/model/operation/removeoperation.js';
  15. import ReinsertOperation from '/ckeditor5/engine/model/operation/reinsertoperation.js';
  16. import count from '/ckeditor5/utils/count.js';
  17. describe( 'Batch', () => {
  18. let doc, root, p1, p2, batch;
  19. beforeEach( () => {
  20. doc = new Document();
  21. root = doc.createRoot();
  22. p1 = new Element( 'p', { key1: 'value1' }, new Text( 'foo' ) );
  23. p2 = new Element( 'p', { key2: 'value2' }, new Text( 'bar' ) );
  24. root.insertChildren( 0, [ p1, p2 ] );
  25. } );
  26. describe( 'merge', () => {
  27. it( 'should merge foo and bar into foobar', () => {
  28. doc.batch().merge( new Position( root, [ 1 ] ) );
  29. expect( root.maxOffset ).to.equal( 1 );
  30. expect( root.getChild( 0 ).name ).to.equal( 'p' );
  31. expect( root.getChild( 0 ).maxOffset ).to.equal( 6 );
  32. expect( count( root.getChild( 0 ).getAttributes() ) ).to.equal( 1 );
  33. expect( root.getChild( 0 ).getAttribute( 'key1' ) ).to.equal( 'value1' );
  34. expect( root.getChild( 0 ).getChild( 0 ).data ).to.equal( 'foobar' );
  35. } );
  36. it( 'should throw if there is no element after', () => {
  37. expect( () => {
  38. doc.batch().merge( new Position( root, [ 2 ] ) );
  39. } ).to.throw( CKEditorError, /^batch-merge-no-element-after/ );
  40. } );
  41. it( 'should throw if there is no element before', () => {
  42. expect( () => {
  43. doc.batch().merge( new Position( root, [ 0, 2 ] ) );
  44. } ).to.throw( CKEditorError, /^batch-merge-no-element-before/ );
  45. } );
  46. it( 'should be chainable', () => {
  47. batch = doc.batch();
  48. const chain = batch.merge( new Position( root, [ 1 ] ) );
  49. expect( chain ).to.equal( batch );
  50. } );
  51. it( 'should add delta to batch and operation to delta before applying operation', () => {
  52. sinon.spy( doc, 'applyOperation' );
  53. batch = doc.batch().merge( new Position( root, [ 1 ] ) );
  54. const correctDeltaMatcher = sinon.match( ( operation ) => {
  55. return operation.delta && operation.delta.batch && operation.delta.batch == batch;
  56. } );
  57. expect( doc.applyOperation.calledWith( correctDeltaMatcher ) ).to.be.true;
  58. } );
  59. } );
  60. } );
  61. describe( 'MergeDelta', () => {
  62. let mergeDelta, doc, root;
  63. beforeEach( () => {
  64. doc = new Document();
  65. root = doc.createRoot();
  66. mergeDelta = new MergeDelta();
  67. } );
  68. describe( 'constructor', () => {
  69. it( 'should create merge delta with no operations added', () => {
  70. expect( mergeDelta.operations.length ).to.equal( 0 );
  71. } );
  72. } );
  73. describe( 'position', () => {
  74. it( 'should be null if there are no operations in delta', () => {
  75. expect( mergeDelta.position ).to.be.null;
  76. } );
  77. it( 'should be equal to the position between merged nodes', () => {
  78. mergeDelta.operations.push( new MoveOperation( new Position( root, [ 1, 2, 0 ] ), 4, new Position( root, [ 1, 1, 4 ] ) ) );
  79. mergeDelta.operations.push( new RemoveOperation( new Position( root, [ 1, 2, 0 ] ), 1 ) );
  80. expect( mergeDelta.position.root ).to.equal( root );
  81. expect( mergeDelta.position.path ).to.deep.equal( [ 1, 2, 0 ] );
  82. } );
  83. } );
  84. describe( 'getReversed', () => {
  85. it( 'should return empty SplitDelta if there are no operations in delta', () => {
  86. let reversed = mergeDelta.getReversed();
  87. expect( reversed ).to.be.instanceof( SplitDelta );
  88. expect( reversed.operations.length ).to.equal( 0 );
  89. } );
  90. it( 'should return correct SplitDelta', () => {
  91. mergeDelta.operations.push( new MoveOperation( new Position( root, [ 1, 2, 0 ] ), 4, new Position( root, [ 1, 1, 4 ] ) ) );
  92. mergeDelta.operations.push( new RemoveOperation( new Position( root, [ 1, 2, 0 ] ), 1 ) );
  93. let reversed = mergeDelta.getReversed();
  94. expect( reversed ).to.be.instanceof( SplitDelta );
  95. expect( reversed.operations.length ).to.equal( 2 );
  96. expect( reversed.operations[ 0 ] ).to.be.instanceof( ReinsertOperation );
  97. expect( reversed.operations[ 0 ].howMany ).to.equal( 1 );
  98. expect( reversed.operations[ 0 ].targetPosition.path ).to.deep.equal( [ 1, 2, 0 ] );
  99. expect( reversed.operations[ 1 ] ).to.be.instanceof( MoveOperation );
  100. expect( reversed.operations[ 1 ].sourcePosition.path ).to.deep.equal( [ 1, 1, 4 ] );
  101. expect( reversed.operations[ 1 ].howMany ).to.equal( 4 );
  102. expect( reversed.operations[ 1 ].targetPosition.path ).to.deep.equal( [ 1, 2, 0 ] );
  103. } );
  104. } );
  105. it( 'should provide proper className', () => {
  106. expect( MergeDelta.className ).to.equal( 'engine.model.delta.MergeDelta' );
  107. } );
  108. } );