mergeattributes.js 4.5 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: view, browser-only */
  6. 'use strict';
  7. import { mergeAttributes } from '/ckeditor5/engine/view/writer.js';
  8. import ContainerElement from '/ckeditor5/engine/view/containerelement.js';
  9. import Text from '/ckeditor5/engine/view/text.js';
  10. import Position from '/ckeditor5/engine/view/position.js';
  11. import { stringify, parse } from '/tests/engine/_utils/view.js';
  12. describe( 'writer', () => {
  13. /**
  14. * Executes test using `parse` and `stringify` utils functions. Uses range delimiters `[]{}` to create and
  15. * test merge position.
  16. *
  17. * @param {String} input
  18. * @param {String} expected
  19. */
  20. function test( input, expected ) {
  21. const { view, selection } = parse( input );
  22. const newPosition = mergeAttributes( selection.getFirstPosition() );
  23. expect( stringify( view, newPosition, { showType: true, showPriority: true } ) ).to.equal( expected );
  24. }
  25. describe( 'mergeAttributes', () => {
  26. it( 'should not merge if inside text node', () => {
  27. test( '<container:p>fo{}bar</container:p>', '<container:p>fo{}bar</container:p>' );
  28. } );
  29. it( 'should not merge if between containers', () => {
  30. test(
  31. '<container:div><container:p>foo</container:p>[]<container:p>bar</container:p></container:div>',
  32. '<container:div><container:p>foo</container:p>[]<container:p>bar</container:p></container:div>'
  33. );
  34. } );
  35. it( 'should return same position when inside empty container', () => {
  36. test(
  37. '<container:p>[]</container:p>',
  38. '<container:p>[]</container:p>'
  39. );
  40. } );
  41. it( 'should not merge when position is placed at the beginning of the container', () => {
  42. test(
  43. '<container:p>[]<attribute:b:1></attribute:b:1></container:p>',
  44. '<container:p>[]<attribute:b:1></attribute:b:1></container:p>'
  45. );
  46. } );
  47. it( 'should not merge when position is placed at the end of the container', () => {
  48. test(
  49. '<container:p><attribute:b:1></attribute:b:1>[]</container:p>',
  50. '<container:p><attribute:b:1></attribute:b:1>[]</container:p>'
  51. );
  52. } );
  53. it( 'should merge when placed between two text nodes', () => {
  54. // <p>foobar</p> -> <p>foo|bar</p>
  55. const t1 = new Text( 'foo' );
  56. const t2 = new Text( 'bar' );
  57. const p = new ContainerElement( 'p', null, [ t1, t2 ] );
  58. const position = new Position( p, 1 );
  59. const newPosition = mergeAttributes( position );
  60. expect( stringify( p, newPosition ) ).to.equal( '<p>foo{}bar</p>' );
  61. } );
  62. it( 'should merge when placed between similar attribute nodes', () => {
  63. test(
  64. '<container:p><attribute:b:1 foo="bar">baz</attribute:b:1>[]<attribute:b:1 foo="bar">qux</attribute:b:1></container:p>',
  65. '<container:p><attribute:b:1 foo="bar">baz{}qux</attribute:b:1></container:p>'
  66. );
  67. } );
  68. it( 'should not merge when placed between non-similar attribute nodes', () => {
  69. test(
  70. '<container:p><attribute:b:1 foo="bar"></attribute:b:1>[]<attribute:b:1 foo="baz"></attribute:b:1></container:p>',
  71. '<container:p><attribute:b:1 foo="bar"></attribute:b:1>[]<attribute:b:1 foo="baz"></attribute:b:1></container:p>'
  72. );
  73. } );
  74. it( 'should not merge when placed between similar attribute nodes with different priority', () => {
  75. test(
  76. '<container:p><attribute:b:1 foo="bar"></attribute:b:1>[]<attribute:b:2 foo="bar"></attribute:b:2></container:p>',
  77. '<container:p><attribute:b:1 foo="bar"></attribute:b:1>[]<attribute:b:2 foo="bar"></attribute:b:2></container:p>'
  78. );
  79. } );
  80. it( 'should merge attribute nodes and their contents if possible', () => {
  81. test(
  82. '<container:p><attribute:b:1 foo="bar">foo</attribute:b:1>[]<attribute:b:1 foo="bar">bar</attribute:b:1></container:p>',
  83. '<container:p><attribute:b:1 foo="bar">foo{}bar</attribute:b:1></container:p>'
  84. );
  85. } );
  86. it( 'should remove empty attributes after merge #1', () => {
  87. test(
  88. '<container:p><attribute:b>[]</attribute:b></container:p>',
  89. '<container:p>[]</container:p>'
  90. );
  91. } );
  92. it( 'should remove empty attributes after merge #2', () => {
  93. test(
  94. '<container:p><attribute:b>foo</attribute:b><attribute:i>[]</attribute:i><attribute:b>bar</attribute:b></container:p>',
  95. '<container:p><attribute:b:10>foo{}bar</attribute:b:10></container:p>'
  96. );
  97. } );
  98. it( 'should remove empty attributes after merge #3', () => {
  99. test(
  100. '<container:p><attribute:b></attribute:b><attribute:i>[]</attribute:i><attribute:b></attribute:b></container:p>',
  101. '<container:p>[]</container:p>'
  102. );
  103. } );
  104. } );
  105. } );