undo.js 14 KB

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  1. /**
  2. * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. import { Client, expectClients, clearBuffer } from './utils.js';
  6. describe( 'transform', () => {
  7. let john;
  8. beforeEach( () => {
  9. return Client.get( 'john' ).then( client => ( john = client ) );
  10. } );
  11. afterEach( () => {
  12. clearBuffer();
  13. return john.destroy();
  14. } );
  15. it( 'split, remove', () => {
  16. john.setData( '<paragraph>Foo[]Bar</paragraph>' );
  17. john.split();
  18. john.setSelection( [ 1 ], [ 2 ] );
  19. john.remove();
  20. john.undo();
  21. john.undo();
  22. expectClients( '<paragraph>FooBar</paragraph>' );
  23. } );
  24. it( 'move, merge', () => {
  25. john.setData( '[<paragraph>Foo</paragraph>]<paragraph>Bar</paragraph>' );
  26. john.move( [ 2 ] );
  27. john.setSelection( [ 1 ] );
  28. john.merge();
  29. john.undo();
  30. john.undo();
  31. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  32. } );
  33. it.skip( 'move multiple, merge', () => {
  34. john.setData( '[<paragraph>Foo</paragraph><paragraph>Bar</paragraph>]<paragraph>Xyz</paragraph>' );
  35. john.move( [ 3 ] );
  36. expectClients( '<paragraph>Xyz</paragraph><paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  37. john.setSelection( [ 1 ] );
  38. john.merge();
  39. expectClients( '<paragraph>XyzFoo</paragraph><paragraph>Bar</paragraph>' );
  40. john.undo();
  41. expectClients( '<paragraph>Xyz</paragraph><paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  42. john.undo();
  43. // Wrong move is done.
  44. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph><paragraph>Xyz</paragraph>' );
  45. } );
  46. it( 'move inside unwrapped content', () => {
  47. john.setData( '<blockQuote>[<paragraph>Foo</paragraph>]<paragraph>Bar</paragraph></blockQuote>' );
  48. john.move( [ 0, 2 ] );
  49. john.setSelection( [ 0, 0 ] );
  50. john.unwrap();
  51. john.undo();
  52. john.undo();
  53. expectClients(
  54. '<blockQuote>' +
  55. '<paragraph>Foo</paragraph>' +
  56. '<paragraph>Bar</paragraph>' +
  57. '</blockQuote>'
  58. );
  59. } );
  60. it( 'remove node, merge', () => {
  61. john.setData( '<paragraph>Foo</paragraph><paragraph>[Bar]</paragraph>' );
  62. john.remove();
  63. john.setSelection( [ 1 ] );
  64. john.merge();
  65. john.undo();
  66. john.undo();
  67. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  68. } );
  69. it( 'merge, merge #1', () => {
  70. john.setData(
  71. '<blockQuote>' +
  72. '<paragraph>Foo</paragraph>' +
  73. '<paragraph>Bar</paragraph>' +
  74. '</blockQuote>' +
  75. '[]' +
  76. '<blockQuote>' +
  77. '<paragraph>Xyz</paragraph>' +
  78. '</blockQuote>'
  79. );
  80. john.merge();
  81. john.setSelection( [ 0, 2 ] );
  82. john.merge();
  83. expectClients(
  84. '<blockQuote>' +
  85. '<paragraph>Foo</paragraph>' +
  86. '<paragraph>BarXyz</paragraph>' +
  87. '</blockQuote>'
  88. );
  89. john.undo();
  90. john.undo();
  91. expectClients(
  92. '<blockQuote>' +
  93. '<paragraph>Foo</paragraph>' +
  94. '<paragraph>Bar</paragraph>' +
  95. '</blockQuote>' +
  96. '<blockQuote>' +
  97. '<paragraph>Xyz</paragraph>' +
  98. '</blockQuote>'
  99. );
  100. } );
  101. it( 'merge, merge #2', () => {
  102. john.setData(
  103. '<blockQuote>' +
  104. '<paragraph>Foo</paragraph>' +
  105. '</blockQuote>' +
  106. '[]' +
  107. '<blockQuote>' +
  108. '<paragraph>Bar</paragraph>' +
  109. '<paragraph>Xyz</paragraph>' +
  110. '</blockQuote>'
  111. );
  112. john.merge();
  113. john.setSelection( [ 0, 1 ] );
  114. john.merge();
  115. expectClients(
  116. '<blockQuote>' +
  117. '<paragraph>FooBar</paragraph>' +
  118. '<paragraph>Xyz</paragraph>' +
  119. '</blockQuote>'
  120. );
  121. john.undo();
  122. john.undo();
  123. expectClients(
  124. '<blockQuote>' +
  125. '<paragraph>Foo</paragraph>' +
  126. '</blockQuote>' +
  127. '<blockQuote>' +
  128. '<paragraph>Bar</paragraph>' +
  129. '<paragraph>Xyz</paragraph>' +
  130. '</blockQuote>'
  131. );
  132. } );
  133. it( 'merge, unwrap', () => {
  134. john.setData( '<paragraph></paragraph>[]<paragraph>Foo</paragraph>' );
  135. john.merge();
  136. john.setSelection( [ 0, 0 ] );
  137. john.unwrap();
  138. john.undo();
  139. john.undo();
  140. expectClients( '<paragraph></paragraph><paragraph>Foo</paragraph>' );
  141. } );
  142. it( 'remove node at the split position #1', () => {
  143. john.setData( '<paragraph>Ab</paragraph>[]<paragraph>Xy</paragraph>' );
  144. john.merge();
  145. john.setSelection( [ 0, 1 ], [ 0, 2 ] );
  146. john.remove();
  147. john.undo();
  148. john.undo();
  149. expectClients( '<paragraph>Ab</paragraph><paragraph>Xy</paragraph>' );
  150. } );
  151. it( 'remove node at the split position #2', () => {
  152. john.setData( '<paragraph>Ab</paragraph>[]<paragraph>Xy</paragraph>' );
  153. john.merge();
  154. john.setSelection( [ 0, 2 ], [ 0, 3 ] );
  155. john.remove();
  156. john.undo();
  157. john.undo();
  158. expectClients( '<paragraph>Ab</paragraph><paragraph>Xy</paragraph>' );
  159. } );
  160. it( 'undoing split after the element created by split has been removed', () => {
  161. // This example is ported here from ckeditor5-undo to keep 100% CC in ckeditor5-engine alone.
  162. john.setData( '<paragraph>Foo[]bar</paragraph>' );
  163. john.split();
  164. john.setSelection( [ 0, 3 ], [ 1, 3 ] );
  165. john.delete();
  166. expectClients( '<paragraph>Foo</paragraph>' );
  167. john.undo();
  168. expectClients( '<paragraph>Foo</paragraph><paragraph>bar</paragraph>' );
  169. john.undo();
  170. expectClients( '<paragraph>Foobar</paragraph>' );
  171. } );
  172. it( 'remove text from paragraph and merge it', () => {
  173. john.setData( '<paragraph>Foo</paragraph><paragraph>[Bar]</paragraph>' );
  174. john.remove();
  175. john.setSelection( [ 1 ] );
  176. john.merge();
  177. expectClients( '<paragraph>Foo</paragraph>' );
  178. john.undo();
  179. expectClients( '<paragraph>Foo</paragraph><paragraph></paragraph>' );
  180. john.undo();
  181. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  182. } );
  183. it( 'delete split paragraphs', () => {
  184. john.setData( '<paragraph>Foo</paragraph><paragraph>B[]ar</paragraph>' );
  185. john.split();
  186. john.setSelection( [ 2, 1 ] );
  187. john.split();
  188. john.setSelection( [ 1, 0 ], [ 3, 1 ] );
  189. john.delete();
  190. john.setSelection( [ 1 ] );
  191. john.merge();
  192. expectClients( '<paragraph>Foo</paragraph>' );
  193. john.undo();
  194. expectClients( '<paragraph>Foo</paragraph><paragraph></paragraph>' );
  195. john.undo();
  196. expectClients( '<paragraph>Foo</paragraph><paragraph>B</paragraph><paragraph>a</paragraph><paragraph>r</paragraph>' );
  197. john.undo();
  198. expectClients( '<paragraph>Foo</paragraph><paragraph>B</paragraph><paragraph>ar</paragraph>' );
  199. john.undo();
  200. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  201. john.redo();
  202. expectClients( '<paragraph>Foo</paragraph><paragraph>B</paragraph><paragraph>ar</paragraph>' );
  203. john.redo();
  204. expectClients( '<paragraph>Foo</paragraph><paragraph>B</paragraph><paragraph>a</paragraph><paragraph>r</paragraph>' );
  205. john.redo();
  206. expectClients( '<paragraph>Foo</paragraph><paragraph></paragraph>' );
  207. john.redo();
  208. expectClients( '<paragraph>Foo</paragraph>' );
  209. } );
  210. it( 'pasting on collapsed selection undo and redo', () => {
  211. john.setData( '<paragraph>Foo[]Bar</paragraph>' );
  212. // Below simulates pasting.
  213. john.editor.model.change( () => {
  214. john.split();
  215. john.setSelection( [ 1 ] );
  216. john.insert( '<paragraph>1</paragraph>' );
  217. john.setSelection( [ 1 ] );
  218. john.merge();
  219. john.setSelection( [ 1 ] );
  220. john.insert( '<paragraph>2</paragraph>' );
  221. john.setSelection( [ 2 ] );
  222. john.merge();
  223. } );
  224. expectClients( '<paragraph>Foo1</paragraph><paragraph>2Bar</paragraph>' );
  225. john.undo();
  226. expectClients( '<paragraph>FooBar</paragraph>' );
  227. john.redo();
  228. expectClients( '<paragraph>Foo1</paragraph><paragraph>2Bar</paragraph>' );
  229. john.undo();
  230. expectClients( '<paragraph>FooBar</paragraph>' );
  231. john.redo();
  232. expectClients( '<paragraph>Foo1</paragraph><paragraph>2Bar</paragraph>' );
  233. } );
  234. it( 'selection attribute setting: split, bold, merge, undo, undo, undo', () => {
  235. // This test is ported from undo to keep 100% CC in engine.
  236. john.setData( '<paragraph>Foo[]</paragraph><paragraph>Bar</paragraph>' );
  237. john.split();
  238. john.setSelection( [ 1, 0 ] );
  239. john._processExecute( 'bold' );
  240. john._processExecute( 'forwardDelete' );
  241. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  242. john.undo();
  243. expectClients( '<paragraph>Foo</paragraph><paragraph selection:bold="true"></paragraph><paragraph>Bar</paragraph>' );
  244. john.undo();
  245. expectClients( '<paragraph>Foo</paragraph><paragraph></paragraph><paragraph>Bar</paragraph>' );
  246. john.undo();
  247. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  248. } );
  249. // https://github.com/ckeditor/ckeditor5/issues/1288
  250. it( 'remove two groups of blocks then undo, undo', () => {
  251. john.setData(
  252. '<paragraph>X</paragraph><paragraph>A</paragraph><paragraph>B[</paragraph><paragraph>C</paragraph><paragraph>D]</paragraph>'
  253. );
  254. john.delete();
  255. john.setSelection( [ 0, 1 ], [ 2, 1 ] );
  256. john.delete();
  257. expectClients( '<paragraph>X</paragraph>' );
  258. john.undo();
  259. expectClients( '<paragraph>X</paragraph><paragraph>A</paragraph><paragraph>B</paragraph>' );
  260. john.undo();
  261. expectClients(
  262. '<paragraph>X</paragraph><paragraph>A</paragraph><paragraph>B</paragraph><paragraph>C</paragraph><paragraph>D</paragraph>'
  263. );
  264. } );
  265. // https://github.com/ckeditor/ckeditor5/issues/1287 TC1
  266. it( 'pasting on non-collapsed selection undo and redo', () => {
  267. john.setData( '<paragraph>Fo[o</paragraph><paragraph>B]ar</paragraph>' );
  268. // Below simulates pasting.
  269. john.editor.model.change( () => {
  270. john.editor.model.deleteContent( john.document.selection );
  271. john.setSelection( [ 0, 2 ] );
  272. john.split();
  273. john.setSelection( [ 1 ] );
  274. john.insert( '<paragraph>1</paragraph>' );
  275. john.setSelection( [ 1 ] );
  276. john.merge();
  277. john.setSelection( [ 1 ] );
  278. john.insert( '<paragraph>2</paragraph>' );
  279. john.setSelection( [ 2 ] );
  280. john.merge();
  281. } );
  282. expectClients( '<paragraph>Fo1</paragraph><paragraph>2ar</paragraph>' );
  283. john.undo();
  284. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  285. john.redo();
  286. expectClients( '<paragraph>Fo1</paragraph><paragraph>2ar</paragraph>' );
  287. john.undo();
  288. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  289. } );
  290. it( 'collapsed marker at the beginning of merged element then undo', () => {
  291. john.setData( '<paragraph>Foo</paragraph><paragraph>[]Bar</paragraph>' );
  292. john.setMarker( 'm1' );
  293. john.setSelection( [ 1 ] );
  294. john.merge();
  295. expectClients( '<paragraph>Foo<m1:start></m1:start>Bar</paragraph>' );
  296. john.undo();
  297. expectClients( '<paragraph>Foo</paragraph><paragraph><m1:start></m1:start>Bar</paragraph>' );
  298. } );
  299. it( 'collapsed marker at the end of merge-target element then undo', () => {
  300. john.setData( '<paragraph>Foo[]</paragraph><paragraph>Bar</paragraph>' );
  301. john.setMarker( 'm1' );
  302. john.setSelection( [ 1 ] );
  303. john.merge();
  304. expectClients( '<paragraph>Foo<m1:start></m1:start>Bar</paragraph>' );
  305. john.undo();
  306. expectClients( '<paragraph>Foo<m1:start></m1:start></paragraph><paragraph>Bar</paragraph>' );
  307. } );
  308. it( 'empty marker between merged elements then undo', () => {
  309. john.setData( '<paragraph>Foo[</paragraph><paragraph>]Bar</paragraph>' );
  310. john.setMarker( 'm1' );
  311. john.setSelection( [ 1 ] );
  312. john.merge();
  313. expectClients( '<paragraph>Foo<m1:start></m1:start>Bar</paragraph>' );
  314. john.undo();
  315. expectClients( '<paragraph>Foo<m1:start></m1:start></paragraph><paragraph><m1:end></m1:end>Bar</paragraph>' );
  316. } );
  317. it( 'left side of marker moved then undo', () => {
  318. john.setData( '<paragraph>Foo[bar]</paragraph><paragraph></paragraph>' );
  319. john.setMarker( 'm1' );
  320. john.setSelection( [ 0, 2 ], [ 0, 4 ] );
  321. john.move( [ 1, 0 ] );
  322. expectClients( '<paragraph>Fo<m1:start></m1:start>ar<m1:end></m1:end></paragraph><paragraph>ob</paragraph>' );
  323. john.undo();
  324. expectClients( '<paragraph>Foo<m1:start></m1:start>bar<m1:end></m1:end></paragraph><paragraph></paragraph>' );
  325. } );
  326. it( 'right side of marker moved then undo', () => {
  327. john.setData( '<paragraph>[Foo]bar</paragraph><paragraph></paragraph>' );
  328. john.setMarker( 'm1' );
  329. john.setSelection( [ 0, 2 ], [ 0, 4 ] );
  330. john.move( [ 1, 0 ] );
  331. expectClients( '<paragraph><m1:start></m1:start>Fo<m1:end></m1:end>ar</paragraph><paragraph>ob</paragraph>' );
  332. john.undo();
  333. expectClients( '<paragraph><m1:start></m1:start>Foo<m1:end></m1:end>bar</paragraph><paragraph></paragraph>' );
  334. } );
  335. it( 'marker on closing and opening tag - remove multiple elements #1', () => {
  336. john.setData(
  337. '<paragraph>Abc</paragraph>' +
  338. '<paragraph>Foo[</paragraph>' +
  339. '<paragraph>]Bar</paragraph>'
  340. );
  341. john.setMarker( 'm1' );
  342. john.setSelection( [ 0, 1 ], [ 2, 2 ] );
  343. john._processExecute( 'delete' );
  344. expectClients( '<paragraph>A<m1:start></m1:start>r</paragraph>' );
  345. john.undo();
  346. expectClients(
  347. '<paragraph>Abc</paragraph>' +
  348. '<paragraph>Foo<m1:start></m1:start></paragraph>' +
  349. '<paragraph><m1:end></m1:end>Bar</paragraph>'
  350. );
  351. } );
  352. it( 'marker on closing and opening tag - remove multiple elements #2', () => {
  353. john.setData(
  354. '<paragraph>Foo[</paragraph>' +
  355. '<paragraph>]Bar</paragraph>' +
  356. '<paragraph>Xyz</paragraph>'
  357. );
  358. john.setMarker( 'm1' );
  359. john.setSelection( [ 0, 1 ], [ 2, 2 ] );
  360. john._processExecute( 'delete' );
  361. expectClients( '<paragraph>F<m1:start></m1:start>z</paragraph>' );
  362. john.undo();
  363. expectClients(
  364. '<paragraph>Foo<m1:start></m1:start></paragraph>' +
  365. '<paragraph><m1:end></m1:end>Bar</paragraph>' +
  366. '<paragraph>Xyz</paragraph>'
  367. );
  368. } );
  369. it( 'marker on closing and opening tag + some text - merge elements + remove text', () => {
  370. john.setData(
  371. '<paragraph>Foo[</paragraph>' +
  372. '<paragraph>B]ar</paragraph>'
  373. );
  374. john.setMarker( 'm1' );
  375. john.setSelection( [ 0, 1 ], [ 1, 2 ] );
  376. john._processExecute( 'delete' );
  377. expectClients( '<paragraph>F<m1:start></m1:start>r</paragraph>' );
  378. john.undo();
  379. expectClients(
  380. '<paragraph>Foo<m1:start></m1:start></paragraph>' +
  381. '<paragraph>B<m1:end></m1:end>ar</paragraph>'
  382. );
  383. } );
  384. } );