unwrap.js 12 KB

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  1. /**
  2. * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. import { unwrap } from '../../../src/view/writer';
  6. import Element from '../../../src/view/element';
  7. import ContainerElement from '../../../src/view/containerelement';
  8. import AttributeElement from '../../../src/view/attributeelement';
  9. import EmptyElement from '../../../src/view/emptyelement';
  10. import UIElement from '../../../src/view/uielement';
  11. import Position from '../../../src/view/position';
  12. import Range from '../../../src/view/range';
  13. import Text from '../../../src/view/text';
  14. import CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';
  15. import { stringify, parse } from '../../../src/dev-utils/view';
  16. describe( 'writer', () => {
  17. /**
  18. * Executes test using `parse` and `stringify` utils functions.
  19. *
  20. * @param {String} input
  21. * @param {String} unwrapAttribute
  22. * @param {String} expected
  23. */
  24. function test( input, unwrapAttribute, expected ) {
  25. const { view, selection } = parse( input );
  26. const newRange = unwrap( selection.getFirstRange(), parse( unwrapAttribute ) );
  27. expect( stringify( view.root, newRange, { showType: true, showPriority: true } ) ).to.equal( expected );
  28. }
  29. describe( 'unwrap', () => {
  30. it( 'should do nothing on collapsed ranges', () => {
  31. test(
  32. '<container:p>f{}oo</container:p>',
  33. '<attribute:b view-priority="10"></attribute:b>',
  34. '<container:p>f{}oo</container:p>'
  35. );
  36. } );
  37. it( 'should do nothing on single text node', () => {
  38. test(
  39. '<container:p>[foobar]</container:p>',
  40. '<attribute:b view-priority="1"></attribute:b>',
  41. '<container:p>[foobar]</container:p>'
  42. );
  43. } );
  44. it( 'should throw error when element is not instance of AttributeElement', () => {
  45. const container = new ContainerElement( 'p', null, new AttributeElement( 'b', null, new Text( 'foo' ) ) );
  46. const range = new Range(
  47. new Position( container, 0 ),
  48. new Position( container, 1 )
  49. );
  50. const b = new Element( 'b' );
  51. expect( () => {
  52. unwrap( range, b );
  53. } ).to.throw( CKEditorError, 'view-writer-unwrap-invalid-attribute' );
  54. } );
  55. it( 'should throw error when range placed in two containers', () => {
  56. const container1 = new ContainerElement( 'p' );
  57. const container2 = new ContainerElement( 'p' );
  58. const range = new Range(
  59. new Position( container1, 0 ),
  60. new Position( container2, 1 )
  61. );
  62. const b = new AttributeElement( 'b' );
  63. expect( () => {
  64. unwrap( range, b );
  65. } ).to.throw( CKEditorError, 'view-writer-invalid-range-container' );
  66. } );
  67. it( 'should throw when range has no parent container', () => {
  68. const el = new AttributeElement( 'b' );
  69. const b = new AttributeElement( 'b' );
  70. expect( () => {
  71. unwrap( Range.createFromParentsAndOffsets( el, 0, el, 0 ), b );
  72. } ).to.throw( CKEditorError, 'view-writer-invalid-range-container' );
  73. } );
  74. it( 'should unwrap single node', () => {
  75. test(
  76. '<container:p>[<attribute:b view-priority="1">foobar</attribute:b>]</container:p>',
  77. '<attribute:b view-priority="1"></attribute:b>',
  78. '<container:p>[foobar]</container:p>'
  79. );
  80. } );
  81. it( 'should not unwrap attributes with different priorities #1', () => {
  82. test(
  83. '<container:p>[<attribute:b view-priority="1">foobar</attribute:b>]</container:p>',
  84. '<attribute:b view-priority="2"></attribute:b>',
  85. '<container:p>[<attribute:b view-priority="1">foobar</attribute:b>]</container:p>'
  86. );
  87. } );
  88. it( 'should not unwrap attributes with different priorities #2', () => {
  89. test(
  90. '<container:p>' +
  91. '[' +
  92. '<attribute:b view-priority="2">foo</attribute:b>' +
  93. '<attribute:b view-priority="1">bar</attribute:b>' +
  94. '<attribute:b view-priority="2">baz</attribute:b>' +
  95. ']' +
  96. '</container:p>',
  97. '<attribute:b view-priority="2"></attribute:b>',
  98. '<container:p>[foo<attribute:b view-priority="1">bar</attribute:b>baz]</container:p>'
  99. );
  100. } );
  101. it( 'should unwrap part of the node', () => {
  102. test(
  103. '<container:p>[baz<attribute:b view-priority="1">foo}bar</attribute:b></container:p>',
  104. '<attribute:b view-priority="1"></attribute:b>',
  105. '<container:p>[bazfoo]<attribute:b view-priority="1">bar</attribute:b></container:p>'
  106. );
  107. } );
  108. it( 'should support unicode', () => {
  109. test(
  110. '<container:p>[நிலை<attribute:b view-priority="1">க்}கு</attribute:b></container:p>',
  111. '<attribute:b view-priority="1"></attribute:b>',
  112. '<container:p>[நிலைக்]<attribute:b view-priority="1">கு</attribute:b></container:p>'
  113. );
  114. } );
  115. it( 'should unwrap nested attributes', () => {
  116. test(
  117. '<container:p>' +
  118. '[<attribute:u view-priority="1"><attribute:b view-priority="1">foobar</attribute:b></attribute:u>]' +
  119. '</container:p>',
  120. '<attribute:b view-priority="1"></attribute:b>',
  121. '<container:p>[<attribute:u view-priority="1">foobar</attribute:u>]</container:p>'
  122. );
  123. } );
  124. it( 'should merge unwrapped nodes #1', () => {
  125. test(
  126. '<container:p>foo[<attribute:b view-priority="1">bar</attribute:b>]baz</container:p>',
  127. '<attribute:b view-priority="1"></attribute:b>',
  128. '<container:p>foo{bar}baz</container:p>'
  129. );
  130. } );
  131. it( 'should merge unwrapped nodes #2', () => {
  132. const input = '<container:p>' +
  133. 'foo' +
  134. '<attribute:u view-priority="1">bar</attribute:u>' +
  135. '[' +
  136. '<attribute:b view-priority="1">' +
  137. '<attribute:u view-priority="1">bazqux</attribute:u>' +
  138. '</attribute:b>' +
  139. ']' +
  140. '</container:p>';
  141. const attribute = '<attribute:b view-priority="1"></attribute:b>';
  142. const result = '<container:p>foo<attribute:u view-priority="1">bar{bazqux</attribute:u>]</container:p>';
  143. test( input, attribute, result );
  144. } );
  145. it( 'should merge unwrapped nodes #3', () => {
  146. const input = '<container:p>' +
  147. 'foo' +
  148. '<attribute:u view-priority="1">bar</attribute:u>' +
  149. '[' +
  150. '<attribute:b view-priority="1">' +
  151. '<attribute:u view-priority="1">baz}qux</attribute:u>' +
  152. '</attribute:b>' +
  153. '</container:p>';
  154. const attribute = '<attribute:b view-priority="1"></attribute:b>';
  155. const result = '<container:p>' +
  156. 'foo' +
  157. '<attribute:u view-priority="1">bar{baz</attribute:u>]' +
  158. '<attribute:b view-priority="1">' +
  159. '<attribute:u view-priority="1">qux</attribute:u>' +
  160. '</attribute:b>' +
  161. '</container:p>';
  162. test( input, attribute, result );
  163. } );
  164. it( 'should merge unwrapped nodes #4', () => {
  165. const input = '<container:p>' +
  166. 'foo' +
  167. '<attribute:u view-priority="1">bar</attribute:u>' +
  168. '[' +
  169. '<attribute:b view-priority="1">' +
  170. '<attribute:u view-priority="1">baz</attribute:u>' +
  171. '</attribute:b>' +
  172. ']' +
  173. '<attribute:u view-priority="1">qux</attribute:u>' +
  174. '</container:p>';
  175. const attribute = '<attribute:b view-priority="1"></attribute:b>';
  176. const result = '<container:p>' +
  177. 'foo' +
  178. '<attribute:u view-priority="1">bar{baz}qux</attribute:u>' +
  179. '</container:p>';
  180. test( input, attribute, result );
  181. } );
  182. it( 'should merge unwrapped nodes #5', () => {
  183. const input = '<container:p>' +
  184. '[' +
  185. '<attribute:b view-priority="1"><attribute:u view-priority="1">foo</attribute:u></attribute:b>' +
  186. '<attribute:b view-priority="1"><attribute:u view-priority="1">bar</attribute:u></attribute:b>' +
  187. '<attribute:b view-priority="1"><attribute:u view-priority="1">baz</attribute:u></attribute:b>' +
  188. ']' +
  189. '</container:p>';
  190. const attribute = '<attribute:b view-priority="1"></attribute:b>';
  191. const result = '<container:p>[<attribute:u view-priority="1">foobarbaz</attribute:u>]</container:p>';
  192. test( input, attribute, result );
  193. } );
  194. it( 'should unwrap mixed ranges #1', () => {
  195. const input = '<container:p>' +
  196. '[' +
  197. '<attribute:u view-priority="1">' +
  198. '<attribute:b view-priority="1">foo]</attribute:b>' +
  199. '</attribute:u>' +
  200. '</container:p>';
  201. const attribute = '<attribute:b view-priority="1"></attribute:b>';
  202. const result = '<container:p>[<attribute:u view-priority="1">foo</attribute:u>]</container:p>';
  203. test( input, attribute, result );
  204. } );
  205. it( 'should unwrap mixed ranges #2', () => {
  206. test(
  207. '<container:p>' +
  208. '[<attribute:u view-priority="1"><attribute:b view-priority="1">foo}</attribute:b></attribute:u>' +
  209. '</container:p>',
  210. '<attribute:b view-priority="1"></attribute:b>',
  211. '<container:p>[<attribute:u view-priority="1">foo</attribute:u>]</container:p>'
  212. );
  213. } );
  214. it( 'should unwrap single element by removing matching attributes', () => {
  215. test(
  216. '<container:p>[<attribute:b view-priority="1" foo="bar" baz="qux">test</attribute:b>]</container:p>',
  217. '<attribute:b view-priority="1" baz="qux"></attribute:b>',
  218. '<container:p>[<attribute:b view-priority="1" foo="bar">test</attribute:b>]</container:p>'
  219. );
  220. } );
  221. it( 'should not unwrap single element when attributes are different', () => {
  222. test(
  223. '<container:p>[<attribute:b view-priority="1" baz="qux" foo="bar">test</attribute:b>]</container:p>',
  224. '<attribute:b view-priority="1" baz="qux" test="true"></attribute:b>',
  225. '<container:p>[<attribute:b view-priority="1" baz="qux" foo="bar">test</attribute:b>]</container:p>'
  226. );
  227. } );
  228. it( 'should unwrap single element by removing matching classes', () => {
  229. test(
  230. '<container:p>[<attribute:b view-priority="1" class="foo bar baz">test</attribute:b>]</container:p>',
  231. '<attribute:b view-priority="1" class="baz foo"></attribute:b>',
  232. '<container:p>[<attribute:b view-priority="1" class="bar">test</attribute:b>]</container:p>'
  233. );
  234. } );
  235. it( 'should not unwrap single element when classes are different', () => {
  236. test(
  237. '<container:p>[<attribute:b view-priority="1" class="foo bar baz">test</attribute:b>]</container:p>',
  238. '<attribute:b view-priority="1" class="baz foo qux"></attribute:b>',
  239. '<container:p>[<attribute:b view-priority="1" class="foo bar baz">test</attribute:b>]</container:p>'
  240. );
  241. } );
  242. it( 'should unwrap single element by removing matching styles', () => {
  243. test(
  244. '<container:p>' +
  245. '[<attribute:b view-priority="1" style="color:red;position:absolute;top:10px;">test</attribute:b>]' +
  246. '</container:p>',
  247. '<attribute:b view-priority="1" style="position: absolute;"></attribute:b>',
  248. '<container:p>[<attribute:b view-priority="1" style="color:red;top:10px;">test</attribute:b>]</container:p>'
  249. );
  250. } );
  251. it( 'should not unwrap single element when styles are different', () => {
  252. test(
  253. '<container:p>' +
  254. '[<attribute:b view-priority="1" style="color:red;position:absolute;top:10px;">test</attribute:b>]' +
  255. '</container:p>',
  256. '<attribute:b view-priority="1" style="position: relative;"></attribute:b>',
  257. '<container:p>' +
  258. '[<attribute:b view-priority="1" style="color:red;position:absolute;top:10px;">test</attribute:b>]' +
  259. '</container:p>'
  260. );
  261. } );
  262. it( 'should unwrap single node in document fragment', () => {
  263. test(
  264. '<container:p>[<attribute:b view-priority="1">foobar</attribute:b>]</container:p>',
  265. '<attribute:b view-priority="1"></attribute:b>',
  266. '<container:p>[foobar]</container:p>'
  267. );
  268. } );
  269. it( 'should unwrap EmptyElement', () => {
  270. test(
  271. '<container:p>[<attribute:b><empty:img></empty:img></attribute:b>]</container:p>',
  272. '<attribute:b></attribute:b>',
  273. '<container:p>[<empty:img></empty:img>]</container:p>'
  274. );
  275. } );
  276. it( 'should throw if range is inside EmptyElement', () => {
  277. const empty = new EmptyElement( 'img' );
  278. const attribute = new AttributeElement( 'b' );
  279. const container = new ContainerElement( 'p', null, [ empty, attribute ] );
  280. const range = Range.createFromParentsAndOffsets( empty, 0, container, 2 );
  281. expect( () => {
  282. unwrap( range, attribute );
  283. } ).to.throw( CKEditorError, 'view-writer-cannot-break-empty-element' );
  284. } );
  285. it( 'should unwrap UIElement', () => {
  286. test(
  287. '<container:p>[<attribute:b><ui:span></ui:span></attribute:b>]</container:p>',
  288. '<attribute:b></attribute:b>',
  289. '<container:p>[<ui:span></ui:span>]</container:p>'
  290. );
  291. } );
  292. it( 'should throw if range is placed inside UIElement', () => {
  293. const uiElement = new UIElement( 'span' );
  294. const attribute = new AttributeElement( 'b' );
  295. const container = new ContainerElement( 'p', null, [ uiElement, attribute ] );
  296. const range = Range.createFromParentsAndOffsets( uiElement, 0, container, 2 );
  297. expect( () => {
  298. unwrap( range, attribute );
  299. } ).to.throw( CKEditorError, 'view-writer-cannot-break-ui-element' );
  300. } );
  301. } );
  302. } );