removedelta.js 2.1 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879
  1. /**
  2. * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* bender-tags: treemodel, delta */
  6. /* bender-include: ../../_tools/tools.js */
  7. 'use strict';
  8. const getNodesAndText = bender.tools.treemodel.getNodesAndText;
  9. const modules = bender.amd.require(
  10. 'treemodel/document',
  11. 'treemodel/position',
  12. 'treemodel/range',
  13. 'treemodel/element'
  14. );
  15. describe( 'Batch', () => {
  16. let Document, Position, Range, Element;
  17. let doc, root, div, p, batch, chain, range;
  18. before( () => {
  19. Document = modules[ 'treemodel/document' ];
  20. Position = modules[ 'treemodel/position' ];
  21. Range = modules[ 'treemodel/range' ];
  22. Element = modules[ 'treemodel/element' ];
  23. } );
  24. beforeEach( () => {
  25. doc = new Document();
  26. root = doc.createRoot( 'root' );
  27. div = new Element( 'div', [], 'foobar' );
  28. p = new Element( 'p', [], 'abcxyz' );
  29. div.insertChildren( 4, [ new Element( 'p', [], 'gggg' ) ] );
  30. div.insertChildren( 2, [ new Element( 'p', [], 'hhhh' ) ] );
  31. root.insertChildren( 0, [ div, p ] );
  32. batch = doc.batch();
  33. // Range starts in ROOT > DIV > P > gg|gg.
  34. // Range ends in ROOT > DIV > ...|ar.
  35. range = new Range( new Position( root, [ 0, 2, 2 ] ), new Position( root, [ 0, 6 ] ) );
  36. } );
  37. describe( 'remove', () => {
  38. it( 'should remove specified node', () => {
  39. batch.remove( div );
  40. expect( root.getChildCount() ).to.equal( 1 );
  41. expect( getNodesAndText( Range.createFromElement( root.getChild( 0 ) ) ) ).to.equal( 'abcxyz' );
  42. } );
  43. it( 'should move any range of nodes', () => {
  44. batch.remove( range );
  45. expect( getNodesAndText( Range.createFromElement( root.getChild( 0 ) ) ) ).to.equal( 'foPhhPar' );
  46. expect( getNodesAndText( Range.createFromElement( root.getChild( 1 ) ) ) ).to.equal( 'abcxyz' );
  47. } );
  48. it( 'should create minimal number of operations when removing a range', () => {
  49. batch.remove( range );
  50. expect( batch.deltas.length ).to.equal( 1 );
  51. expect( batch.deltas[ 0 ].operations.length ).to.equal( 2 );
  52. } );
  53. it( 'should be chainable', () => {
  54. chain = batch.remove( range );
  55. expect( chain ).to.equal( batch );
  56. } );
  57. } );
  58. } );