transform.js 94 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 transform from '../../../src/model/operation/transform';
  6. import Document from '../../../src/model/document';
  7. import RootElement from '../../../src/model/rootelement';
  8. import Node from '../../../src/model/node';
  9. import Position from '../../../src/model/position';
  10. import Range from '../../../src/model/range';
  11. import InsertOperation from '../../../src/model/operation/insertoperation';
  12. import AttributeOperation from '../../../src/model/operation/attributeoperation';
  13. import RootAttributeOperation from '../../../src/model/operation/rootattributeoperation';
  14. import MarkerOperation from '../../../src/model/operation/markeroperation';
  15. import MoveOperation from '../../../src/model/operation/moveoperation';
  16. import RemoveOperation from '../../../src/model/operation/removeoperation';
  17. import RenameOperation from '../../../src/model/operation/renameoperation';
  18. import ReinsertOperation from '../../../src/model/operation/reinsertoperation';
  19. import NoOperation from '../../../src/model/operation/nooperation';
  20. describe( 'transform', () => {
  21. let doc, root, op, nodeA, nodeB, expected, baseVersion;
  22. beforeEach( () => {
  23. doc = new Document();
  24. root = doc.createRoot();
  25. nodeA = new Node();
  26. nodeB = new Node();
  27. baseVersion = 0;
  28. } );
  29. function expectOperation( op, params ) {
  30. for ( const i in params ) {
  31. if ( params.hasOwnProperty( i ) ) {
  32. if ( i == 'type' ) {
  33. expect( op ).to.be.instanceof( params[ i ] );
  34. }
  35. else if ( params[ i ] instanceof Array ) {
  36. expect( op[ i ].length ).to.equal( params[ i ].length );
  37. for ( let j = 0; j < params[ i ].length; j++ ) {
  38. expect( op[ i ][ j ] ).to.equal( params[ i ][ j ] );
  39. }
  40. } else if ( params[ i ] instanceof Position || params[ i ] instanceof Range ) {
  41. expect( op[ i ].isEqual( params[ i ] ) ).to.be.true;
  42. } else {
  43. expect( op[ i ] ).to.equal( params[ i ] );
  44. }
  45. }
  46. }
  47. }
  48. describe( 'InsertOperation', () => {
  49. let nodeC, nodeD, position;
  50. beforeEach( () => {
  51. nodeC = new Node();
  52. nodeD = new Node();
  53. position = new Position( root, [ 0, 2, 2 ] );
  54. op = new InsertOperation( position, [ nodeA, nodeB ], baseVersion );
  55. expected = {
  56. type: InsertOperation,
  57. position: Position.createFromPosition( position ),
  58. baseVersion: baseVersion + 1
  59. };
  60. } );
  61. describe( 'by InsertOperation', () => {
  62. it( 'target at different position: no position update', () => {
  63. const transformBy = new InsertOperation(
  64. new Position( root, [ 1, 3, 2 ] ),
  65. [ nodeC, nodeD ],
  66. baseVersion
  67. );
  68. const transOp = transform( op, transformBy );
  69. expect( transOp.length ).to.equal( 1 );
  70. expectOperation( transOp[ 0 ], expected );
  71. } );
  72. it( 'target at offset before: increment offset', () => {
  73. const transformBy = new InsertOperation(
  74. new Position( root, [ 0, 2, 0 ] ),
  75. [ nodeC, nodeD ],
  76. baseVersion
  77. );
  78. const transOp = transform( op, transformBy );
  79. expected.position.offset += 2;
  80. expect( transOp.length ).to.equal( 1 );
  81. expectOperation( transOp[ 0 ], expected );
  82. } );
  83. it( 'target at same offset and is important: increment offset', () => {
  84. const transformBy = new InsertOperation(
  85. new Position( root, [ 0, 2, 2 ] ),
  86. [ nodeC, nodeD ],
  87. baseVersion
  88. );
  89. const transOp = transform( op, transformBy );
  90. expected.position.offset += 2;
  91. expect( transOp.length ).to.equal( 1 );
  92. expectOperation( transOp[ 0 ], expected );
  93. } );
  94. it( 'target at same offset and is less important: no position update', () => {
  95. const transformBy = new InsertOperation(
  96. new Position( root, [ 0, 2, 2 ] ),
  97. [ nodeC, nodeD ],
  98. baseVersion
  99. );
  100. const transOp = transform( transformBy, true );
  101. expect( transOp.length ).to.equal( 1 );
  102. expectOperation( transOp[ 0 ], expected );
  103. } );
  104. it( 'target at offset after: no position update', () => {
  105. const transformBy = new InsertOperation(
  106. new Position( root, [ 0, 2, 3 ] ),
  107. [ nodeC, nodeD ],
  108. baseVersion
  109. );
  110. const transOp = transform( op, transformBy );
  111. expect( transOp.length ).to.equal( 1 );
  112. expectOperation( transOp[ 0 ], expected );
  113. } );
  114. it( 'target before node from path: increment index on path', () => {
  115. const transformBy = new InsertOperation(
  116. new Position( root, [ 0, 1 ] ),
  117. [ nodeC, nodeD ],
  118. baseVersion
  119. );
  120. const transOp = transform( op, transformBy );
  121. expected.position.path[ 1 ] += 2;
  122. expect( transOp.length ).to.equal( 1 );
  123. expectOperation( transOp[ 0 ], expected );
  124. } );
  125. it( 'target after node from path: no position update', () => {
  126. const transformBy = new InsertOperation(
  127. new Position( root, [ 0, 6 ] ),
  128. [ nodeC, nodeD ],
  129. baseVersion
  130. );
  131. const transOp = transform( op, transformBy );
  132. expect( transOp.length ).to.equal( 1 );
  133. expectOperation( transOp[ 0 ], expected );
  134. } );
  135. } );
  136. describe( 'by AttributeOperation', () => {
  137. it( 'no position update', () => {
  138. const transformBy = new AttributeOperation(
  139. Range.createFromPositionAndShift( position, 2 ),
  140. 'foo',
  141. null,
  142. 'bar',
  143. baseVersion
  144. );
  145. const transOp = transform( op, transformBy );
  146. expect( transOp.length ).to.equal( 1 );
  147. expectOperation( transOp[ 0 ], expected );
  148. } );
  149. } );
  150. describe( 'by RootAttributeOperation', () => {
  151. it( 'no position update', () => {
  152. const transformBy = new RootAttributeOperation(
  153. root,
  154. 'foo',
  155. null,
  156. 'bar',
  157. baseVersion
  158. );
  159. const transOp = transform( op, transformBy );
  160. expect( transOp.length ).to.equal( 1 );
  161. expectOperation( transOp[ 0 ], expected );
  162. } );
  163. } );
  164. describe( 'by MoveOperation', () => {
  165. it( 'range and target are different than insert position: no position update', () => {
  166. const transformBy = new MoveOperation(
  167. new Position( root, [ 1, 3, 2 ] ),
  168. 2,
  169. new Position( root, [ 2, 1 ] ),
  170. baseVersion
  171. );
  172. const transOp = transform( op, transformBy );
  173. expect( transOp.length ).to.equal( 1 );
  174. expectOperation( transOp[ 0 ], expected );
  175. } );
  176. it( 'range is before insert position offset: decrement offset', () => {
  177. const transformBy = new MoveOperation(
  178. new Position( root, [ 0, 2, 0 ] ),
  179. 1,
  180. new Position( root, [ 1, 1 ] ),
  181. baseVersion
  182. );
  183. const transOp = transform( op, transformBy );
  184. expected.position.offset--;
  185. expect( transOp.length ).to.equal( 1 );
  186. expectOperation( transOp[ 0 ], expected );
  187. } );
  188. it( 'range offset is after insert position offset: no position update', () => {
  189. const transformBy = new MoveOperation(
  190. new Position( root, [ 0, 2, 5 ] ),
  191. 1,
  192. new Position( root, [ 1, 1 ] ),
  193. baseVersion
  194. );
  195. const transOp = transform( op, transformBy );
  196. expect( transOp.length ).to.equal( 1 );
  197. expectOperation( transOp[ 0 ], expected );
  198. } );
  199. it( 'target offset before insert position offset: increment offset', () => {
  200. const transformBy = new MoveOperation(
  201. new Position( root, [ 1, 1 ] ),
  202. 2,
  203. new Position( root, [ 0, 2, 0 ] ),
  204. baseVersion
  205. );
  206. const transOp = transform( op, transformBy );
  207. expected.position.offset += 2;
  208. expect( transOp.length ).to.equal( 1 );
  209. expectOperation( transOp[ 0 ], expected );
  210. } );
  211. it( 'target offset after insert position offset: no position update', () => {
  212. const transformBy = new MoveOperation(
  213. new Position( root, [ 1, 1 ] ),
  214. 2,
  215. new Position( root, [ 0, 2, 5 ] ),
  216. baseVersion
  217. );
  218. const transOp = transform( op, transformBy );
  219. expect( transOp.length ).to.equal( 1 );
  220. expectOperation( transOp[ 0 ], expected );
  221. } );
  222. it( 'target offset same as insert position offset and is important: increment offset', () => {
  223. const transformBy = new MoveOperation(
  224. new Position( root, [ 1, 1 ] ),
  225. 2,
  226. new Position( root, [ 0, 2, 2 ] ),
  227. baseVersion
  228. );
  229. const transOp = transform( op, transformBy );
  230. expected.position.offset += 2;
  231. expect( transOp.length ).to.equal( 1 );
  232. expectOperation( transOp[ 0 ], expected );
  233. } );
  234. it( 'target offset same as insert position offset and is less important: no position update', () => {
  235. const transformBy = new MoveOperation(
  236. new Position( root, [ 1, 1 ] ),
  237. 2,
  238. new Position( root, [ 0, 2, 2 ] ),
  239. baseVersion
  240. );
  241. const transOp = transform( op, transformBy, true );
  242. expect( transOp.length ).to.equal( 1 );
  243. expectOperation( transOp[ 0 ], expected );
  244. } );
  245. it( 'range is before node from insert position path: decrement index on path', () => {
  246. const transformBy = new MoveOperation(
  247. new Position( root, [ 0, 0 ] ),
  248. 1,
  249. new Position( root, [ 1, 0 ] ),
  250. baseVersion
  251. );
  252. const transOp = transform( op, transformBy );
  253. expected.position.path[ 1 ] -= 1;
  254. expect( transOp.length ).to.equal( 1 );
  255. expectOperation( transOp[ 0 ], expected );
  256. } );
  257. it( 'range is after node from insert position path: no position update', () => {
  258. const transformBy = new MoveOperation(
  259. new Position( root, [ 0, 4 ] ),
  260. 2,
  261. new Position( root, [ 1, 0 ] ),
  262. baseVersion
  263. );
  264. const transOp = transform( op, transformBy );
  265. expect( transOp.length ).to.equal( 1 );
  266. expectOperation( transOp[ 0 ], expected );
  267. } );
  268. it( 'target before node from insert position path: increment index on path', () => {
  269. const transformBy = new MoveOperation(
  270. new Position( root, [ 1, 0 ] ),
  271. 2,
  272. new Position( root, [ 0, 0 ] ),
  273. baseVersion
  274. );
  275. const transOp = transform( op, transformBy );
  276. expected.position.path[ 1 ] += 2;
  277. expect( transOp.length ).to.equal( 1 );
  278. expectOperation( transOp[ 0 ], expected );
  279. } );
  280. it( 'target after node from insert position path: no position update', () => {
  281. const transformBy = new MoveOperation(
  282. new Position( root, [ 1, 0 ] ),
  283. 2,
  284. new Position( root, [ 0, 4 ] ),
  285. baseVersion
  286. );
  287. const transOp = transform( op, transformBy );
  288. expect( transOp.length ).to.equal( 1 );
  289. expectOperation( transOp[ 0 ], expected );
  290. } );
  291. it( 'range has node that contains insert position: update position', () => {
  292. const transformBy = new MoveOperation(
  293. new Position( root, [ 0, 1 ] ),
  294. 2,
  295. new Position( root, [ 1, 1 ] ),
  296. baseVersion
  297. );
  298. const transOp = transform( op, transformBy );
  299. expected.position.path = [ 1, 2, 2 ];
  300. expect( transOp.length ).to.equal( 1 );
  301. expectOperation( transOp[ 0 ], expected );
  302. } );
  303. it( 'range contains insert position (on same level): update position', () => {
  304. const transformBy = new MoveOperation(
  305. new Position( root, [ 0, 2, 0 ] ),
  306. 4,
  307. new Position( root, [ 1, 0 ] ),
  308. baseVersion
  309. );
  310. const transOp = transform( op, transformBy );
  311. expected.position.path = [ 1, 2 ];
  312. expect( transOp.length ).to.equal( 1 );
  313. expectOperation( transOp[ 0 ], expected );
  314. } );
  315. } );
  316. describe( 'by NoOperation', () => {
  317. it( 'no operation update', () => {
  318. const transformBy = new NoOperation( baseVersion );
  319. const transOp = transform( op, transformBy );
  320. expect( transOp.length ).to.equal( 1 );
  321. expectOperation( transOp[ 0 ], expected );
  322. } );
  323. } );
  324. describe( 'by RenameOperation', () => {
  325. it( 'no position update', () => {
  326. const transformBy = new RenameOperation( new Position( root, [ 0, 2, 0 ] ), 'oldName', 'newName', baseVersion );
  327. const transOp = transform( op, transformBy );
  328. expect( transOp.length ).to.equal( 1 );
  329. expectOperation( transOp[ 0 ], expected );
  330. } );
  331. } );
  332. describe( 'by MarkerOperation', () => {
  333. it( 'no position update', () => {
  334. const newRange = new Range( new Position( root, [ 0, 2, 0 ] ), new Position( root, [ 0, 2, 4 ] ) );
  335. const transformBy = new MarkerOperation( 'name', null, newRange, doc.markers, baseVersion );
  336. const transOp = transform( op, transformBy );
  337. expect( transOp.length ).to.equal( 1 );
  338. expectOperation( transOp[ 0 ], expected );
  339. } );
  340. } );
  341. } );
  342. describe( 'AttributeOperation', () => {
  343. let start, end, range;
  344. beforeEach( () => {
  345. expected = {
  346. type: AttributeOperation,
  347. key: 'foo',
  348. oldValue: 'abc',
  349. newValue: 'bar',
  350. baseVersion: baseVersion + 1
  351. };
  352. } );
  353. describe( 'with multi-level range', () => {
  354. beforeEach( () => {
  355. start = new Position( root, [ 1, 2 ] );
  356. end = new Position( root, [ 2, 2, 4 ] );
  357. range = new Range( start, end );
  358. op = new AttributeOperation( range, 'foo', 'abc', 'bar', baseVersion );
  359. expected.range = new Range( start, end );
  360. } );
  361. describe( 'by InsertOperation', () => {
  362. it( 'target at different position: no operation update', () => {
  363. const transformBy = new InsertOperation(
  364. new Position( root, [ 3, 3, 2 ] ),
  365. [ nodeA, nodeB ],
  366. baseVersion
  367. );
  368. const transOp = transform( op, transformBy );
  369. expect( transOp.length ).to.equal( 1 );
  370. expectOperation( transOp[ 0 ], expected );
  371. } );
  372. it( 'target at offset before: increment offset', () => {
  373. const transformBy = new InsertOperation(
  374. new Position( root, [ 1, 1 ] ),
  375. [ nodeA, nodeB ],
  376. baseVersion
  377. );
  378. const transOp = transform( op, transformBy );
  379. expected.range.start.offset += 2;
  380. expect( transOp.length ).to.equal( 1 );
  381. expectOperation( transOp[ 0 ], expected );
  382. } );
  383. it( 'target at same offset: increment offset', () => {
  384. const transformBy = new InsertOperation(
  385. new Position( root, [ 1, 2 ] ),
  386. [ nodeA, nodeB ],
  387. baseVersion
  388. );
  389. const transOp = transform( op, transformBy );
  390. expected.range.start.offset += 2;
  391. expect( transOp.length ).to.equal( 1 );
  392. expectOperation( transOp[ 0 ], expected );
  393. } );
  394. it( 'target at offset after: no operation update', () => {
  395. const transformBy = new InsertOperation(
  396. new Position( root, [ 3, 2 ] ),
  397. [ nodeA, nodeB ],
  398. baseVersion
  399. );
  400. const transOp = transform( op, transformBy );
  401. expect( transOp.length ).to.equal( 1 );
  402. expectOperation( transOp[ 0 ], expected );
  403. } );
  404. it( 'target before node from path: increment index on path', () => {
  405. const transformBy = new InsertOperation(
  406. new Position( root, [ 0 ] ),
  407. [ nodeA, nodeB ],
  408. baseVersion
  409. );
  410. const transOp = transform( op, transformBy );
  411. expected.range.start.path[ 0 ] += 2;
  412. expected.range.end.path[ 0 ] += 2;
  413. expect( transOp.length ).to.equal( 1 );
  414. expectOperation( transOp[ 0 ], expected );
  415. } );
  416. it( 'target after node from path: no position change', () => {
  417. const transformBy = new InsertOperation(
  418. new Position( root, [ 2, 6 ] ),
  419. [ nodeA, nodeB ],
  420. baseVersion
  421. );
  422. const transOp = transform( op, transformBy );
  423. expect( transOp.length ).to.equal( 1 );
  424. expectOperation( transOp[ 0 ], expected );
  425. } );
  426. it( 'target inside change range: split into two operations', () => {
  427. const transformBy = new InsertOperation(
  428. new Position( root, [ 1, 3, 1 ] ),
  429. [ nodeA, nodeB ],
  430. baseVersion
  431. );
  432. const transOp = transform( op, transformBy );
  433. expect( transOp.length ).to.equal( 2 );
  434. expected.range.start.path = [ 1, 3, 3 ];
  435. expectOperation( transOp[ 0 ], expected );
  436. expected.range.start = op.range.start;
  437. expected.range.end.path = [ 1, 3, 1 ];
  438. expected.baseVersion++;
  439. expectOperation( transOp[ 1 ], expected );
  440. } );
  441. } );
  442. describe( 'by AttributeOperation', () => {
  443. it( 'attributes have different key: no operation update', () => {
  444. const transformBy = new AttributeOperation(
  445. Range.createFromRange( range ),
  446. 'differentKey',
  447. true,
  448. false,
  449. baseVersion
  450. );
  451. const transOp = transform( op, transformBy );
  452. expect( transOp.length ).to.equal( 1 );
  453. expectOperation( transOp[ 0 ], expected );
  454. } );
  455. it( 'same key and value: convert to NoOperation', () => {
  456. const transformBy = new AttributeOperation(
  457. Range.createFromRange( range ),
  458. 'foo',
  459. 'abc',
  460. 'bar',
  461. baseVersion
  462. );
  463. const transOp = transform( op, transformBy );
  464. expect( transOp.length ).to.equal( 1 );
  465. expectOperation( transOp[ 0 ], {
  466. type: NoOperation,
  467. baseVersion: baseVersion + 1
  468. } );
  469. } );
  470. describe( 'that is less important and', () => {
  471. it( 'both operations removes same attribute: change old value to null', () => {
  472. op.newValue = null;
  473. expected.newValue = null;
  474. const transformBy = new AttributeOperation(
  475. new Range( new Position( root, [ 1, 1, 4 ] ), new Position( root, [ 3 ] ) ),
  476. 'foo',
  477. 'another',
  478. null,
  479. baseVersion
  480. );
  481. const transOp = transform( op, transformBy, true );
  482. expected.oldValue = null;
  483. expect( transOp.length ).to.equal( 1 );
  484. } );
  485. it( 'range does not intersect original range: no operation update', () => {
  486. const transformBy = new AttributeOperation(
  487. new Range( new Position( root, [ 3, 0 ] ), new Position( root, [ 4 ] ) ),
  488. 'foo',
  489. 'abc',
  490. null,
  491. baseVersion
  492. );
  493. const transOp = transform( op, transformBy, true );
  494. expect( transOp.length ).to.equal( 1 );
  495. expectOperation( transOp[ 0 ], expected );
  496. } );
  497. it( 'range contains original range: update oldValue', () => {
  498. const transformBy = new AttributeOperation(
  499. new Range( new Position( root, [ 1, 1, 4 ] ), new Position( root, [ 3 ] ) ),
  500. 'foo',
  501. 'abc',
  502. null,
  503. baseVersion
  504. );
  505. const transOp = transform( op, transformBy, true );
  506. expected.oldValue = null;
  507. expect( transOp.length ).to.equal( 1 );
  508. expectOperation( transOp[ 0 ], expected );
  509. } );
  510. // [ original range < ] range transformed by >
  511. it( 'range intersects on left: split into two operations, update oldValue', () => {
  512. // Get more test cases and better code coverage
  513. op.newValue = null;
  514. expected.newValue = null;
  515. const transformBy = new AttributeOperation(
  516. new Range( new Position( root, [ 1, 4, 2 ] ), new Position( root, [ 3 ] ) ),
  517. 'foo',
  518. null,
  519. // Get more test cases and better code coverage
  520. 'another',
  521. baseVersion
  522. );
  523. const transOp = transform( op, transformBy, true );
  524. expect( transOp.length ).to.equal( 2 );
  525. expected.range.end.path = [ 1, 4, 2 ];
  526. expectOperation( transOp[ 0 ], expected );
  527. expected.range.start.path = [ 1, 4, 2 ];
  528. expected.range.end = op.range.end;
  529. expected.oldValue = 'another';
  530. expected.baseVersion++;
  531. expectOperation( transOp[ 1 ], expected );
  532. } );
  533. // [ range transformed by < ] original range >
  534. it( 'range intersects on right: split into two operations, update oldValue', () => {
  535. const transformBy = new AttributeOperation(
  536. new Range( new Position( root, [ 1 ] ), new Position( root, [ 2, 1 ] ) ),
  537. 'foo',
  538. 'abc',
  539. null,
  540. baseVersion
  541. );
  542. const transOp = transform( op, transformBy, true );
  543. expect( transOp.length ).to.equal( 2 );
  544. expected.range.start.path = [ 2, 1 ];
  545. expectOperation( transOp[ 0 ], expected );
  546. expected.range.start = op.range.start;
  547. expected.range.end.path = [ 2, 1 ];
  548. expected.oldValue = null;
  549. expected.baseVersion++;
  550. expectOperation( transOp[ 1 ], expected );
  551. } );
  552. it( 'range is inside original range: split into three operations, update oldValue', () => {
  553. const transformBy = new AttributeOperation(
  554. new Range( new Position( root, [ 1, 4, 1 ] ), new Position( root, [ 2, 1 ] ) ),
  555. 'foo',
  556. 'abc',
  557. null,
  558. baseVersion
  559. );
  560. const transOp = transform( op, transformBy, true );
  561. expect( transOp.length ).to.equal( 3 );
  562. expected.range.end.path = [ 1, 4, 1 ];
  563. expectOperation( transOp[ 0 ], expected );
  564. expected.range.start.path = [ 2, 1 ];
  565. expected.range.end = op.range.end;
  566. expected.baseVersion++;
  567. expectOperation( transOp[ 1 ], expected );
  568. expected.range.start.path = [ 1, 4, 1 ];
  569. expected.range.end.path = [ 2, 1 ];
  570. expected.oldValue = null;
  571. expected.baseVersion++;
  572. expectOperation( transOp[ 2 ], expected );
  573. } );
  574. } );
  575. describe( 'that is more important and', () => {
  576. it( 'both operations removes same attribute: convert to NoOperation', () => {
  577. op.newValue = null;
  578. expected.newValue = null;
  579. const transformBy = new AttributeOperation(
  580. new Range( new Position( root, [ 1, 1, 4 ] ), new Position( root, [ 3 ] ) ),
  581. 'foo',
  582. 'another',
  583. null,
  584. baseVersion
  585. );
  586. const transOp = transform( op, transformBy );
  587. expect( transOp.length ).to.equal( 1 );
  588. expectOperation( transOp[ 0 ], {
  589. type: NoOperation,
  590. baseVersion: baseVersion + 1
  591. } );
  592. } );
  593. it( 'range does not intersect original range: no operation update', () => {
  594. const transformBy = new AttributeOperation(
  595. new Range( new Position( root, [ 3, 0 ] ), new Position( root, [ 4 ] ) ),
  596. 'foo',
  597. 'abc',
  598. null,
  599. baseVersion
  600. );
  601. const transOp = transform( op, transformBy );
  602. expect( transOp.length ).to.equal( 1 );
  603. expectOperation( transOp[ 0 ], expected );
  604. } );
  605. it( 'range contains original range: convert to NoOperation', () => {
  606. const transformBy = new AttributeOperation(
  607. new Range( new Position( root, [ 1, 1, 4 ] ), new Position( root, [ 3 ] ) ),
  608. 'foo',
  609. 'abc',
  610. null,
  611. baseVersion
  612. );
  613. const transOp = transform( op, transformBy );
  614. expect( transOp.length ).to.equal( 1 );
  615. expectOperation( transOp[ 0 ], {
  616. type: NoOperation,
  617. baseVersion: baseVersion + 1
  618. } );
  619. } );
  620. // [ original range < ] range transformed by >
  621. it( 'range intersects on left: shrink original range', () => {
  622. const transformBy = new AttributeOperation(
  623. new Range( new Position( root, [ 1, 4, 2 ] ), new Position( root, [ 3 ] ) ),
  624. 'foo',
  625. 'abc',
  626. null,
  627. baseVersion
  628. );
  629. const transOp = transform( op, transformBy );
  630. expected.range.end.path = [ 1, 4, 2 ];
  631. expect( transOp.length ).to.equal( 1 );
  632. expectOperation( transOp[ 0 ], expected );
  633. } );
  634. // [ range transformed by < ] original range >
  635. it( 'range intersects on right: shrink original range', () => {
  636. const transformBy = new AttributeOperation(
  637. new Range( new Position( root, [ 1 ] ), new Position( root, [ 2, 1 ] ) ),
  638. 'foo',
  639. 'abc',
  640. null,
  641. baseVersion
  642. );
  643. const transOp = transform( op, transformBy );
  644. expected.range.start.path = [ 2, 1 ];
  645. expect( transOp.length ).to.equal( 1 );
  646. expectOperation( transOp[ 0 ], expected );
  647. } );
  648. it( 'range is inside original range: split into two operations', () => {
  649. const transformBy = new AttributeOperation(
  650. new Range( new Position( root, [ 1, 4, 1 ] ), new Position( root, [ 2, 1 ] ) ),
  651. 'foo',
  652. 'abc',
  653. null,
  654. baseVersion
  655. );
  656. const transOp = transform( op, transformBy );
  657. expect( transOp.length ).to.equal( 2 );
  658. expected.range.end.path = [ 1, 4, 1 ];
  659. expectOperation( transOp[ 0 ], expected );
  660. expected.range.start.path = [ 2, 1 ];
  661. expected.range.end = op.range.end;
  662. expected.baseVersion++;
  663. expectOperation( transOp[ 1 ], expected );
  664. } );
  665. } );
  666. } );
  667. describe( 'by RootAttributeOperation', () => {
  668. it( 'no operation update', () => {
  669. const transformBy = new RootAttributeOperation(
  670. root,
  671. 'foo',
  672. null,
  673. 'bar',
  674. baseVersion
  675. );
  676. const transOp = transform( op, transformBy );
  677. expect( transOp.length ).to.equal( 1 );
  678. expectOperation( transOp[ 0 ], expected );
  679. } );
  680. } );
  681. describe( 'by MoveOperation', () => {
  682. it( 'range and target are different than change range: no operation update', () => {
  683. const transformBy = new MoveOperation(
  684. new Position( root, [ 1, 1, 2 ] ),
  685. 2,
  686. new Position( root, [ 3, 4 ] ),
  687. baseVersion
  688. );
  689. const transOp = transform( op, transformBy );
  690. expect( transOp.length ).to.equal( 1 );
  691. expectOperation( transOp[ 0 ], expected );
  692. } );
  693. it( 'range offset is before change range start offset: decrement offset', () => {
  694. const transformBy = new MoveOperation(
  695. new Position( root, [ 1, 0 ] ),
  696. 2,
  697. new Position( root, [ 3, 4, 1 ] ),
  698. baseVersion
  699. );
  700. const transOp = transform( op, transformBy );
  701. expected.range.start.offset -= 2;
  702. expect( transOp.length ).to.equal( 1 );
  703. expectOperation( transOp[ 0 ], expected );
  704. } );
  705. it( 'target offset is before change range start offset: increment offset', () => {
  706. const transformBy = new MoveOperation(
  707. new Position( root, [ 3, 4, 1 ] ),
  708. 2,
  709. new Position( root, [ 1, 0 ] ),
  710. baseVersion
  711. );
  712. const transOp = transform( op, transformBy );
  713. expected.range.start.offset += 2;
  714. expect( transOp.length ).to.equal( 1 );
  715. expectOperation( transOp[ 0 ], expected );
  716. } );
  717. it( 'range is before node from path to change range: decrement index on path', () => {
  718. const transformBy = new MoveOperation(
  719. new Position( root, [ 0 ] ),
  720. 1,
  721. new Position( root, [ 2, 4, 1 ] ),
  722. baseVersion
  723. );
  724. const transOp = transform( op, transformBy );
  725. expected.range.start.path[ 0 ]--;
  726. expected.range.end.path[ 0 ]--;
  727. expect( transOp.length ).to.equal( 1 );
  728. expectOperation( transOp[ 0 ], expected );
  729. } );
  730. it( 'range is after node from path to change range: no position change', () => {
  731. const transformBy = new MoveOperation(
  732. new Position( root, [ 3 ] ),
  733. 2,
  734. new Position( root, [ 0, 1 ] ),
  735. baseVersion
  736. );
  737. const transOp = transform( op, transformBy );
  738. expect( transOp.length ).to.equal( 1 );
  739. expectOperation( transOp[ 0 ], expected );
  740. } );
  741. it( 'target before node from path to change range: increment index on path', () => {
  742. const transformBy = new MoveOperation(
  743. new Position( root, [ 3, 4, 1 ] ),
  744. 2,
  745. new Position( root, [ 1, 0 ] ),
  746. baseVersion
  747. );
  748. const transOp = transform( op, transformBy );
  749. expected.range.start.path[ 1 ] += 2;
  750. expect( transOp.length ).to.equal( 1 );
  751. expectOperation( transOp[ 0 ], expected );
  752. } );
  753. it( 'target after node from path to change range: no position change', () => {
  754. const transformBy = new MoveOperation(
  755. new Position( root, [ 3, 4, 1 ] ),
  756. 2,
  757. new Position( root, [ 3 ] ),
  758. baseVersion
  759. );
  760. const transOp = transform( op, transformBy );
  761. expect( transOp.length ).to.equal( 1 );
  762. expectOperation( transOp[ 0 ], expected );
  763. } );
  764. it( 'range intersects on left with change range: split into two operations', () => {
  765. const transformBy = new MoveOperation(
  766. new Position( root, [ 2, 1 ] ),
  767. 3,
  768. new Position( root, [ 4 ] ),
  769. baseVersion
  770. );
  771. const transOp = transform( op, transformBy );
  772. expect( transOp.length ).to.equal( 2 );
  773. expected.range.end.path = [ 2, 1 ];
  774. expectOperation( transOp[ 0 ], expected );
  775. expected.range.start.path = [ 4 ];
  776. expected.range.end.path = [ 5, 4 ];
  777. expected.baseVersion++;
  778. expectOperation( transOp[ 1 ], expected );
  779. } );
  780. it( 'range intersects on right with change range: split into two operation', () => {
  781. const transformBy = new MoveOperation(
  782. new Position( root, [ 1, 1 ] ),
  783. 3,
  784. new Position( root, [ 0, 0 ] ),
  785. baseVersion
  786. );
  787. const transOp = transform( op, transformBy );
  788. expect( transOp.length ).to.equal( 2 );
  789. expected.range.start.path = [ 1, 1 ];
  790. expectOperation( transOp[ 0 ], expected );
  791. expected.range.start.path = [ 0, 1 ];
  792. expected.range.end.path = [ 0, 3 ];
  793. expected.baseVersion++;
  794. expectOperation( transOp[ 1 ], expected );
  795. } );
  796. it( 'range contains change range: update change range', () => {
  797. const transformBy = new MoveOperation(
  798. new Position( root, [ 1 ] ),
  799. 2,
  800. new Position( root, [ 3, 4, 1 ] ),
  801. baseVersion
  802. );
  803. const transOp = transform( op, transformBy );
  804. expected.range.start.path = [ 1, 4, 1, 2 ];
  805. expected.range.end.path = [ 1, 4, 2, 2, 4 ];
  806. expect( transOp.length ).to.equal( 1 );
  807. expectOperation( transOp[ 0 ], expected );
  808. } );
  809. it( 'range is inside change range: split into two operations', () => {
  810. const transformBy = new MoveOperation(
  811. new Position( root, [ 1, 4 ] ),
  812. 2,
  813. new Position( root, [ 3, 2 ] ),
  814. baseVersion
  815. );
  816. const transOp = transform( op, transformBy );
  817. expect( transOp.length ).to.equal( 2 );
  818. expectOperation( transOp[ 0 ], expected );
  819. expected.range.start.path = [ 3, 2 ];
  820. expected.range.end.path = [ 3, 4 ];
  821. expected.baseVersion++;
  822. expectOperation( transOp[ 1 ], expected );
  823. } );
  824. it( 'target inside change range: split into two operations', () => {
  825. const transformBy = new MoveOperation(
  826. new Position( root, [ 3, 4, 1 ] ),
  827. 2,
  828. new Position( root, [ 1, 4 ] ),
  829. baseVersion
  830. );
  831. const transOp = transform( op, transformBy );
  832. expect( transOp.length ).to.equal( 2 );
  833. expected.range.start.path = [ 1, 6 ];
  834. expectOperation( transOp[ 0 ], expected );
  835. expected.range.start = op.range.start;
  836. expected.range.end.path = [ 1, 4 ];
  837. expected.baseVersion++;
  838. expectOperation( transOp[ 1 ], expected );
  839. } );
  840. it( 'range intersects change range and target inside change range: split into three operations', () => {
  841. const transformBy = new MoveOperation(
  842. new Position( root, [ 1, 1 ] ),
  843. 3,
  844. new Position( root, [ 2 ] ),
  845. baseVersion
  846. );
  847. const transOp = transform( op, transformBy );
  848. expect( transOp.length ).to.equal( 3 );
  849. expected.range.start.path = [ 5 ];
  850. expected.range.end.path = [ 5, 2, 4 ];
  851. expectOperation( transOp[ 0 ], expected );
  852. expected.range.start.path = [ 1, 1 ];
  853. expected.range.end.path = [ 2 ];
  854. expected.baseVersion++;
  855. expectOperation( transOp[ 1 ], expected );
  856. expected.range.start.path = [ 3 ];
  857. expected.range.end.path = [ 5 ];
  858. expected.baseVersion++;
  859. expectOperation( transOp[ 2 ], expected );
  860. } );
  861. } );
  862. describe( 'by NoOperation', () => {
  863. it( 'no operation update', () => {
  864. const transformBy = new NoOperation( baseVersion );
  865. const transOp = transform( op, transformBy );
  866. expect( transOp.length ).to.equal( 1 );
  867. expectOperation( transOp[ 0 ], expected );
  868. } );
  869. } );
  870. describe( 'by RenameOperation', () => {
  871. it( 'no position update', () => {
  872. const transformBy = new RenameOperation( new Position( root, [ 1, 0 ] ), 'oldName', 'newName', baseVersion );
  873. const transOp = transform( op, transformBy );
  874. expect( transOp.length ).to.equal( 1 );
  875. expectOperation( transOp[ 0 ], expected );
  876. } );
  877. } );
  878. describe( 'by MarkerOperation', () => {
  879. it( 'no operation update', () => {
  880. const newRange = new Range( new Position( root, [ 0, 2, 0 ] ), new Position( root, [ 0, 2, 8 ] ) );
  881. const transformBy = new MarkerOperation( 'name', null, newRange, doc.markers, baseVersion );
  882. const transOp = transform( op, transformBy );
  883. expect( transOp.length ).to.equal( 1 );
  884. expectOperation( transOp[ 0 ], expected );
  885. } );
  886. } );
  887. } );
  888. // Some extra cases for a AttributeOperation that operates on single tree level range.
  889. // This means that the change range start and end differs only on offset value.
  890. // This test suite also have some modifications to the original operation
  891. // to get more test cases covered and better code coverage.
  892. describe( 'with single-level range', () => {
  893. beforeEach( () => {
  894. start = new Position( root, [ 0, 2, 1 ] );
  895. end = new Position( root, [ 0, 2, 4 ] );
  896. range = new Range( start, end );
  897. op = new AttributeOperation( range, 'foo', 'abc', 'bar', baseVersion );
  898. expected.range = new Range( start, end );
  899. } );
  900. describe( 'by InsertOperation', () => {
  901. it( 'target at offset before: increment offset', () => {
  902. const transformBy = new InsertOperation(
  903. new Position( root, [ 0, 2, 0 ] ),
  904. [ nodeA, nodeB ],
  905. baseVersion
  906. );
  907. const transOp = transform( op, transformBy );
  908. expected.range.start.offset += 2;
  909. expected.range.end.offset += 2;
  910. expect( transOp.length ).to.equal( 1 );
  911. expectOperation( transOp[ 0 ], expected );
  912. } );
  913. it( 'target at same offset: increment offset', () => {
  914. const transformBy = new InsertOperation(
  915. new Position( root, [ 0, 2, 1 ] ),
  916. [ nodeA, nodeB ],
  917. baseVersion
  918. );
  919. const transOp = transform( op, transformBy );
  920. expected.range.start.offset += 2;
  921. expected.range.end.offset += 2;
  922. expect( transOp.length ).to.equal( 1 );
  923. expectOperation( transOp[ 0 ], expected );
  924. } );
  925. } );
  926. describe( 'by MoveOperation', () => {
  927. it( 'range offset is before change range start offset: decrement offset', () => {
  928. const transformBy = new MoveOperation(
  929. new Position( root, [ 0, 2, 0 ] ),
  930. 1,
  931. new Position( root, [ 2, 4, 1 ] ),
  932. baseVersion
  933. );
  934. const transOp = transform( op, transformBy );
  935. expected.range.start.offset--;
  936. expected.range.end.offset--;
  937. expect( transOp.length ).to.equal( 1 );
  938. expectOperation( transOp[ 0 ], expected );
  939. } );
  940. it( 'target offset is before change range start offset: increment offset', () => {
  941. const transformBy = new MoveOperation(
  942. new Position( root, [ 2, 4, 1 ] ),
  943. 2,
  944. new Position( root, [ 0, 2, 0 ] ),
  945. baseVersion
  946. );
  947. const transOp = transform( op, transformBy );
  948. expected.range.start.offset += 2;
  949. expected.range.end.offset += 2;
  950. expect( transOp.length ).to.equal( 1 );
  951. expectOperation( transOp[ 0 ], expected );
  952. } );
  953. it( 'range intersects on left with change range: split into two operations', () => {
  954. const transformBy = new MoveOperation(
  955. new Position( root, [ 0, 2, 2 ] ),
  956. 4,
  957. new Position( root, [ 2, 4, 1 ] ),
  958. baseVersion
  959. );
  960. const transOp = transform( op, transformBy );
  961. expect( transOp.length ).to.equal( 2 );
  962. expected.range.end.offset -= 2;
  963. expectOperation( transOp[ 0 ], expected );
  964. expected.range.start.path = [ 2, 4, 1 ];
  965. expected.range.end.path = [ 2, 4, 3 ];
  966. expected.baseVersion++;
  967. expectOperation( transOp[ 1 ], expected );
  968. } );
  969. it( 'range intersects on right with change range: split into two operation', () => {
  970. const transformBy = new MoveOperation(
  971. new Position( root, [ 0, 2, 0 ] ),
  972. 2,
  973. new Position( root, [ 2, 4, 1 ] ),
  974. baseVersion
  975. );
  976. const transOp = transform( op, transformBy );
  977. expect( transOp.length ).to.equal( 2 );
  978. expected.range.start.offset -= 1;
  979. expected.range.end.offset -= 2;
  980. expectOperation( transOp[ 0 ], expected );
  981. expected.range.start.path = [ 2, 4, 2 ];
  982. expected.range.end.path = [ 2, 4, 3 ];
  983. expected.baseVersion++;
  984. expectOperation( transOp[ 1 ], expected );
  985. } );
  986. it( 'range contains change range: update change range', () => {
  987. const transformBy = new MoveOperation(
  988. new Position( root, [ 0, 1 ] ),
  989. 3,
  990. new Position( root, [ 2, 4, 1 ] ),
  991. baseVersion
  992. );
  993. const transOp = transform( op, transformBy );
  994. expected.range.start.path = [ 2, 4, 2, 1 ];
  995. expected.range.end.path = [ 2, 4, 2, 4 ];
  996. expect( transOp.length ).to.equal( 1 );
  997. expectOperation( transOp[ 0 ], expected );
  998. } );
  999. it( 'range is inside change range: split into two operations', () => {
  1000. const transformBy = new MoveOperation(
  1001. new Position( root, [ 0, 2, 2 ] ),
  1002. 1,
  1003. new Position( root, [ 2, 4, 1 ] ),
  1004. baseVersion
  1005. );
  1006. const transOp = transform( op, transformBy );
  1007. expect( transOp.length ).to.equal( 2 );
  1008. expected.range.end.offset--;
  1009. expectOperation( transOp[ 0 ], expected );
  1010. expected.range.start.path = [ 2, 4, 1 ];
  1011. expected.range.end.path = [ 2, 4, 2 ];
  1012. expected.baseVersion++;
  1013. expectOperation( transOp[ 1 ], expected );
  1014. } );
  1015. it( 'range is same as change range: update change range', () => {
  1016. const transformBy = new MoveOperation(
  1017. new Position( root, [ 0, 2, 1 ] ),
  1018. 3,
  1019. new Position( root, [ 2, 4, 1 ] ),
  1020. baseVersion
  1021. );
  1022. const transOp = transform( op, transformBy );
  1023. expected.range.start.path = [ 2, 4, 1 ];
  1024. expected.range.end.path = [ 2, 4, 4 ];
  1025. expect( transOp.length ).to.equal( 1 );
  1026. expectOperation( transOp[ 0 ], expected );
  1027. } );
  1028. it( 'target inside change range: split into two operations', () => {
  1029. const transformBy = new MoveOperation(
  1030. new Position( root, [ 2, 4, 1 ] ),
  1031. 2,
  1032. new Position( root, [ 0, 2, 2 ] ),
  1033. baseVersion
  1034. );
  1035. const transOp = transform( op, transformBy );
  1036. expect( transOp.length ).to.equal( 2 );
  1037. expected.range.start.offset = 4;
  1038. expected.range.end.offset = 6;
  1039. expectOperation( transOp[ 0 ], expected );
  1040. expected.range.start.offset = op.range.start.offset;
  1041. expected.range.end.offset = 2;
  1042. expected.baseVersion++;
  1043. expectOperation( transOp[ 1 ], expected );
  1044. } );
  1045. it( 'range intersects change range and target inside change range: split into three operations', () => {
  1046. const transformBy = new MoveOperation(
  1047. new Position( root, [ 0, 2, 0 ] ),
  1048. 2,
  1049. new Position( root, [ 0, 2, 3 ] ),
  1050. baseVersion
  1051. );
  1052. const transOp = transform( op, transformBy );
  1053. expect( transOp.length ).to.equal( 3 );
  1054. expected.range.start.offset = 3;
  1055. expected.range.end.offset = 4;
  1056. expectOperation( transOp[ 0 ], expected );
  1057. expected.range.start.offset = 0;
  1058. expected.range.end.offset = 1;
  1059. expected.baseVersion++;
  1060. expectOperation( transOp[ 1 ], expected );
  1061. expected.range.start.offset = 2;
  1062. expected.range.end.offset = 3;
  1063. expected.baseVersion++;
  1064. expectOperation( transOp[ 2 ], expected );
  1065. } );
  1066. } );
  1067. } );
  1068. describe( 'by RemoveOperation', () => {
  1069. beforeEach( () => {
  1070. start = new Position( doc.graveyard, [ 2, 0 ] );
  1071. end = new Position( doc.graveyard, [ 2, 4 ] );
  1072. range = new Range( start, end );
  1073. op = new AttributeOperation( range, 'foo', 'abc', 'bar', baseVersion );
  1074. expected.range = new Range( start, end );
  1075. } );
  1076. it( 'remove operation inserted holder element before attribute operation range: increment path', () => {
  1077. const transformBy = new RemoveOperation(
  1078. new Position( root, [ 0 ] ),
  1079. 2,
  1080. baseVersion
  1081. );
  1082. transformBy.targetPosition.path = [ 0, 0 ];
  1083. const transOp = transform( op, transformBy );
  1084. expect( transOp.length ).to.equal( 1 );
  1085. expected.range.start.path = [ 3, 0 ];
  1086. expected.range.end.path = [ 3, 4 ];
  1087. expectOperation( transOp[ 0 ], expected );
  1088. } );
  1089. it( 'remove operation inserted holder element after attribute operation range: do nothing', () => {
  1090. const transformBy = new RemoveOperation(
  1091. new Position( root, [ 0 ] ),
  1092. 2,
  1093. baseVersion
  1094. );
  1095. transformBy.targetPosition.path = [ 4, 0 ];
  1096. const transOp = transform( op, transformBy );
  1097. expect( transOp.length ).to.equal( 1 );
  1098. expectOperation( transOp[ 0 ], expected );
  1099. } );
  1100. } );
  1101. } );
  1102. describe( 'RootAttributeOperation', () => {
  1103. const diffRoot = new RootElement( null );
  1104. beforeEach( () => {
  1105. expected = {
  1106. type: RootAttributeOperation,
  1107. key: 'foo',
  1108. oldValue: 'abc',
  1109. newValue: 'bar',
  1110. baseVersion: baseVersion + 1
  1111. };
  1112. op = new RootAttributeOperation( root, 'foo', 'abc', 'bar', baseVersion );
  1113. } );
  1114. describe( 'by InsertOperation', () => {
  1115. it( 'no operation update', () => {
  1116. const transformBy = new InsertOperation(
  1117. new Position( root, [ 0 ] ),
  1118. 'a',
  1119. baseVersion
  1120. );
  1121. const transOp = transform( op, transformBy );
  1122. expect( transOp.length ).to.equal( 1 );
  1123. expectOperation( transOp[ 0 ], expected );
  1124. } );
  1125. } );
  1126. describe( 'by AttributeOperation', () => {
  1127. it( 'no operation update', () => {
  1128. const transformBy = new AttributeOperation(
  1129. new Range(
  1130. new Position( root, [ 0 ] ),
  1131. new Position( root, [ 1 ] )
  1132. ),
  1133. 'foo',
  1134. 'bar',
  1135. 'xyz',
  1136. baseVersion
  1137. );
  1138. const transOp = transform( op, transformBy );
  1139. expect( transOp.length ).to.equal( 1 );
  1140. expectOperation( transOp[ 0 ], expected );
  1141. } );
  1142. } );
  1143. describe( 'by RootAttributeOperation', () => {
  1144. it( 'changes different root: no operation update', () => {
  1145. const transformBy = new RootAttributeOperation(
  1146. diffRoot,
  1147. 'foo',
  1148. 'abc',
  1149. 'xyz',
  1150. baseVersion
  1151. );
  1152. const transOp = transform( op, transformBy );
  1153. expect( transOp.length ).to.equal( 1 );
  1154. expectOperation( transOp[ 0 ], expected );
  1155. } );
  1156. it( 'changes different key: no operation update', () => {
  1157. const transformBy = new RootAttributeOperation(
  1158. root,
  1159. 'abc',
  1160. 'abc',
  1161. 'xyz',
  1162. baseVersion
  1163. );
  1164. const transOp = transform( op, transformBy );
  1165. expect( transOp.length ).to.equal( 1 );
  1166. expectOperation( transOp[ 0 ], expected );
  1167. } );
  1168. it( 'sets same value for same key: convert to NoOperation', () => {
  1169. const transformBy = new RootAttributeOperation(
  1170. root,
  1171. 'foo',
  1172. 'abc',
  1173. 'bar',
  1174. baseVersion
  1175. );
  1176. const transOp = transform( op, transformBy );
  1177. expect( transOp.length ).to.equal( 1 );
  1178. expectOperation( transOp[ 0 ], {
  1179. type: NoOperation,
  1180. baseVersion: baseVersion + 1
  1181. } );
  1182. } );
  1183. it( 'sets different value for same key on same root and is important: no operation update', () => {
  1184. const transformBy = new RootAttributeOperation(
  1185. root,
  1186. 'foo',
  1187. 'abc',
  1188. 'xyz',
  1189. baseVersion
  1190. );
  1191. const transOp = transform( op, transformBy );
  1192. expect( transOp.length ).to.equal( 1 );
  1193. expectOperation( transOp[ 0 ], {
  1194. type: NoOperation,
  1195. baseVersion: baseVersion + 1
  1196. } );
  1197. } );
  1198. it( 'sets different value for same key on same root and is less important: convert to NoOperation', () => {
  1199. const transformBy = new RootAttributeOperation(
  1200. root,
  1201. 'foo',
  1202. 'abc',
  1203. 'xyz',
  1204. baseVersion
  1205. );
  1206. const transOp = transform( op, transformBy, true );
  1207. expect( transOp.length ).to.equal( 1 );
  1208. expectOperation( transOp[ 0 ], expected );
  1209. } );
  1210. } );
  1211. describe( 'by MoveOperation', () => {
  1212. it( 'no operation update', () => {
  1213. const transformBy = new MoveOperation(
  1214. new Position( root, [ 0 ] ),
  1215. 2,
  1216. new Position( root, [ 1 ] ),
  1217. baseVersion
  1218. );
  1219. const transOp = transform( op, transformBy );
  1220. expect( transOp.length ).to.equal( 1 );
  1221. expectOperation( transOp[ 0 ], expected );
  1222. } );
  1223. } );
  1224. describe( 'by NoOperation', () => {
  1225. it( 'no operation update', () => {
  1226. const transformBy = new NoOperation( baseVersion );
  1227. const transOp = transform( op, transformBy );
  1228. expect( transOp.length ).to.equal( 1 );
  1229. expectOperation( transOp[ 0 ], expected );
  1230. } );
  1231. } );
  1232. describe( 'by RenameOperation', () => {
  1233. it( 'no position update', () => {
  1234. const transformBy = new RenameOperation( new Position( root, [ 0 ] ), 'oldName', 'newName', baseVersion );
  1235. const transOp = transform( op, transformBy );
  1236. expect( transOp.length ).to.equal( 1 );
  1237. expectOperation( transOp[ 0 ], expected );
  1238. } );
  1239. } );
  1240. describe( 'by MarkerOperation', () => {
  1241. it( 'no position update', () => {
  1242. const newRange = new Range( new Position( root, [ 0, 2, 0 ] ), new Position( root, [ 0, 2, 8 ] ) );
  1243. const transformBy = new MarkerOperation( 'name', null, newRange, doc.markers, baseVersion );
  1244. const transOp = transform( op, transformBy );
  1245. expect( transOp.length ).to.equal( 1 );
  1246. expectOperation( transOp[ 0 ], expected );
  1247. } );
  1248. } );
  1249. } );
  1250. describe( 'MoveOperation', () => {
  1251. let sourcePosition, targetPosition, rangeEnd, howMany;
  1252. beforeEach( () => {
  1253. sourcePosition = new Position( root, [ 2, 2, 4 ] );
  1254. targetPosition = new Position( root, [ 3, 3, 3 ] );
  1255. howMany = 2;
  1256. rangeEnd = Position.createFromPosition( sourcePosition );
  1257. rangeEnd.offset += howMany;
  1258. op = new MoveOperation( sourcePosition, howMany, targetPosition, baseVersion );
  1259. expected = {
  1260. type: MoveOperation,
  1261. sourcePosition: Position.createFromPosition( sourcePosition ),
  1262. targetPosition: Position.createFromPosition( targetPosition ),
  1263. howMany,
  1264. baseVersion: baseVersion + 1
  1265. };
  1266. } );
  1267. describe( 'by InsertOperation', () => {
  1268. it( 'target at different position than move range and target: no operation update', () => {
  1269. const transformBy = new InsertOperation(
  1270. new Position( root, [ 1, 3, 2 ] ),
  1271. [ nodeA, nodeB ],
  1272. baseVersion
  1273. );
  1274. const transOp = transform( op, transformBy );
  1275. expect( transOp.length ).to.equal( 1 );
  1276. expectOperation( transOp[ 0 ], expected );
  1277. } );
  1278. it( 'target inside node from move range: no operation update', () => {
  1279. const transformBy = new InsertOperation(
  1280. new Position( root, [ 2, 2, 4, 1 ] ),
  1281. [ nodeA, nodeB ],
  1282. baseVersion
  1283. );
  1284. const transOp = transform( op, transformBy );
  1285. expect( transOp.length ).to.equal( 1 );
  1286. expectOperation( transOp[ 0 ], expected );
  1287. } );
  1288. it( 'target at offset before range offset: increment range offset', () => {
  1289. const transformBy = new InsertOperation(
  1290. new Position( root, [ 2, 2, 0 ] ),
  1291. [ nodeA, nodeB ],
  1292. baseVersion
  1293. );
  1294. const transOp = transform( op, transformBy );
  1295. expected.sourcePosition.offset += 2;
  1296. expect( transOp.length ).to.equal( 1 );
  1297. expectOperation( transOp[ 0 ], expected );
  1298. } );
  1299. it( 'target at offset after range offset: no operation update', () => {
  1300. const transformBy = new InsertOperation(
  1301. new Position( root, [ 2, 2, 7 ] ),
  1302. [ nodeA, nodeB ],
  1303. baseVersion
  1304. );
  1305. const transOp = transform( op, transformBy );
  1306. expect( transOp.length ).to.equal( 1 );
  1307. expectOperation( transOp[ 0 ], expected );
  1308. } );
  1309. it( 'target before node from range start path: increment index on range start path', () => {
  1310. const transformBy = new InsertOperation(
  1311. new Position( root, [ 2, 0 ] ),
  1312. [ nodeA, nodeB ],
  1313. baseVersion
  1314. );
  1315. const transOp = transform( op, transformBy );
  1316. expected.sourcePosition.path[ 1 ] += 2;
  1317. expect( transOp.length ).to.equal( 1 );
  1318. expectOperation( transOp[ 0 ], expected );
  1319. } );
  1320. it( 'target after node from range start path: no operation update', () => {
  1321. const transformBy = new InsertOperation(
  1322. new Position( root, [ 2, 3 ] ),
  1323. [ nodeA, nodeB ],
  1324. baseVersion
  1325. );
  1326. const transOp = transform( op, transformBy );
  1327. expect( transOp.length ).to.equal( 1 );
  1328. expectOperation( transOp[ 0 ], expected );
  1329. } );
  1330. it( 'target offset before move target offset: increment target offset', () => {
  1331. const transformBy = new InsertOperation(
  1332. new Position( root, [ 3, 3, 2 ] ),
  1333. [ nodeA, nodeB ],
  1334. baseVersion
  1335. );
  1336. const transOp = transform( op, transformBy );
  1337. expected.targetPosition.offset += 2;
  1338. expect( transOp.length ).to.equal( 1 );
  1339. expectOperation( transOp[ 0 ], expected );
  1340. } );
  1341. it( 'target offset after move target offset: no operation update', () => {
  1342. const transformBy = new InsertOperation(
  1343. new Position( root, [ 3, 3, 4 ] ),
  1344. [ nodeA, nodeB ],
  1345. baseVersion
  1346. );
  1347. const transOp = transform( op, transformBy );
  1348. expect( transOp.length ).to.equal( 1 );
  1349. expectOperation( transOp[ 0 ], expected );
  1350. } );
  1351. it( 'target before node from move target position path: increment index on move target position path', () => {
  1352. const transformBy = new InsertOperation(
  1353. new Position( root, [ 3, 0 ] ),
  1354. [ nodeA, nodeB ],
  1355. baseVersion
  1356. );
  1357. const transOp = transform( op, transformBy );
  1358. expected.targetPosition.path[ 1 ] += 2;
  1359. expect( transOp.length ).to.equal( 1 );
  1360. expectOperation( transOp[ 0 ], expected );
  1361. } );
  1362. it( 'target after node from move target position path: no operation update', () => {
  1363. const transformBy = new InsertOperation(
  1364. new Position( root, [ 3, 6 ] ),
  1365. [ nodeA, nodeB ],
  1366. baseVersion
  1367. );
  1368. const transOp = transform( op, transformBy );
  1369. expect( transOp.length ).to.equal( 1 );
  1370. expectOperation( transOp[ 0 ], expected );
  1371. } );
  1372. it( 'target offset same as move target offset and is important: increment target offset', () => {
  1373. const transformBy = new InsertOperation(
  1374. new Position( root, [ 3, 3, 3 ] ),
  1375. [ nodeA, nodeB ],
  1376. baseVersion
  1377. );
  1378. const transOp = transform( op, transformBy );
  1379. expected.targetPosition.offset += 2;
  1380. expect( transOp.length ).to.equal( 1 );
  1381. expectOperation( transOp[ 0 ], expected );
  1382. } );
  1383. it( 'target offset same as move target offset and is less important: no operation update', () => {
  1384. const transformBy = new InsertOperation(
  1385. new Position( root, [ 3, 3, 3 ] ),
  1386. [ nodeA, nodeB ],
  1387. baseVersion
  1388. );
  1389. const transOp = transform( op, transformBy, true );
  1390. expect( transOp.length ).to.equal( 1 );
  1391. expectOperation( transOp[ 0 ], expected );
  1392. } );
  1393. it( 'target offset same as move target offset: increment target offset', () => {
  1394. const transformBy = new InsertOperation(
  1395. new Position( root, [ 3, 3 ] ),
  1396. [ nodeA, nodeB ],
  1397. baseVersion
  1398. );
  1399. const transOp = transform( op, transformBy );
  1400. expected.targetPosition.path[ 1 ] += 2;
  1401. expect( transOp.length ).to.equal( 1 );
  1402. expectOperation( transOp[ 0 ], expected );
  1403. } );
  1404. it( 'target inside move range: expand range', () => {
  1405. const transformBy = new InsertOperation(
  1406. new Position( root, [ 2, 2, 5 ] ),
  1407. [ nodeA, nodeB ],
  1408. baseVersion
  1409. );
  1410. const transOp = transform( op, transformBy );
  1411. expect( transOp.length ).to.equal( 1 );
  1412. expected.howMany = 4;
  1413. expectOperation( transOp[ 0 ], expected );
  1414. } );
  1415. it( 'target at offset same as range end boundary: no operation update', () => {
  1416. const transformBy = new InsertOperation(
  1417. new Position( root, [ 2, 2, 6 ] ),
  1418. [ nodeA, nodeB ],
  1419. baseVersion
  1420. );
  1421. const transOp = transform( op, transformBy );
  1422. expect( transOp.length ).to.equal( 1 );
  1423. expectOperation( transOp[ 0 ], expected );
  1424. } );
  1425. it( 'target at offset same as range end boundary (sticky move): expand range', () => {
  1426. const transformBy = new InsertOperation(
  1427. new Position( root, [ 2, 2, 6 ] ),
  1428. [ nodeA, nodeB ],
  1429. baseVersion
  1430. );
  1431. op.isSticky = true;
  1432. const transOp = transform( op, transformBy );
  1433. expected.howMany = 4;
  1434. expect( transOp.length ).to.equal( 1 );
  1435. expectOperation( transOp[ 0 ], expected );
  1436. } );
  1437. } );
  1438. describe( 'by AttributeOperation', () => {
  1439. it( 'no operation update', () => {
  1440. const transformBy = new AttributeOperation(
  1441. new Range( sourcePosition, rangeEnd ),
  1442. 'abc',
  1443. true,
  1444. false,
  1445. baseVersion
  1446. );
  1447. const transOp = transform( op, transformBy );
  1448. expect( transOp.length ).to.equal( 1 );
  1449. expectOperation( transOp[ 0 ], expected );
  1450. } );
  1451. } );
  1452. describe( 'by RootAttributeOperation', () => {
  1453. it( 'no operation update', () => {
  1454. const transformBy = new RootAttributeOperation(
  1455. root,
  1456. 'foo',
  1457. null,
  1458. 'bar',
  1459. baseVersion
  1460. );
  1461. const transOp = transform( op, transformBy );
  1462. expect( transOp.length ).to.equal( 1 );
  1463. expectOperation( transOp[ 0 ], expected );
  1464. } );
  1465. } );
  1466. describe( 'by MoveOperation', () => {
  1467. it( 'range and target different than transforming range and target: no operation update', () => {
  1468. const transformBy = new MoveOperation(
  1469. new Position( root, [ 1, 2 ] ),
  1470. 3,
  1471. new Position( root, [ 4, 1, 0 ] ),
  1472. baseVersion
  1473. );
  1474. const transOp = transform( op, transformBy );
  1475. expect( transOp.length ).to.equal( 1 );
  1476. expectOperation( transOp[ 0 ], expected );
  1477. } );
  1478. it( 'target offset before transforming range start offset: increment range offset', () => {
  1479. const transformBy = new MoveOperation(
  1480. new Position( root, [ 4, 1, 0 ] ),
  1481. 2,
  1482. new Position( root, [ 2, 2, 0 ] ),
  1483. baseVersion
  1484. );
  1485. const transOp = transform( op, transformBy );
  1486. expected.sourcePosition.offset += 2;
  1487. expect( transOp.length ).to.equal( 1 );
  1488. expectOperation( transOp[ 0 ], expected );
  1489. } );
  1490. it( 'target offset after transforming range start offset: no operation update', () => {
  1491. const transformBy = new MoveOperation(
  1492. new Position( root, [ 4, 1, 0 ] ),
  1493. 2,
  1494. new Position( root, [ 2, 2, 7 ] ),
  1495. baseVersion
  1496. );
  1497. const transOp = transform( op, transformBy );
  1498. expect( transOp.length ).to.equal( 1 );
  1499. expectOperation( transOp[ 0 ], expected );
  1500. } );
  1501. it( 'range start offset before transforming range start offset: decrement range offset', () => {
  1502. const transformBy = new MoveOperation(
  1503. new Position( root, [ 2, 2, 0 ] ),
  1504. 2,
  1505. new Position( root, [ 4, 1, 0 ] ),
  1506. baseVersion
  1507. );
  1508. const transOp = transform( op, transformBy );
  1509. expected.sourcePosition.offset -= 2;
  1510. expect( transOp.length ).to.equal( 1 );
  1511. expectOperation( transOp[ 0 ], expected );
  1512. } );
  1513. it( 'range start offset after transforming range start offset: no operation update', () => {
  1514. const transformBy = new MoveOperation(
  1515. new Position( root, [ 2, 2, 9 ] ),
  1516. 2,
  1517. new Position( root, [ 4, 1, 0 ] ),
  1518. baseVersion
  1519. );
  1520. const transOp = transform( op, transformBy, true );
  1521. expect( transOp.length ).to.equal( 1 );
  1522. expectOperation( transOp[ 0 ], expected );
  1523. } );
  1524. it( 'target before node from transforming range start path: increment index on range start path', () => {
  1525. const transformBy = new MoveOperation(
  1526. new Position( root, [ 4, 1, 0 ] ),
  1527. 2,
  1528. new Position( root, [ 2, 1 ] ),
  1529. baseVersion
  1530. );
  1531. const transOp = transform( op, transformBy );
  1532. expected.sourcePosition.path[ 1 ] += 2;
  1533. expect( transOp.length ).to.equal( 1 );
  1534. expectOperation( transOp[ 0 ], expected );
  1535. } );
  1536. it( 'target after node from transforming range start path: no operation update', () => {
  1537. const transformBy = new MoveOperation(
  1538. new Position( root, [ 4, 1, 0 ] ),
  1539. 2,
  1540. new Position( root, [ 2, 5 ] ),
  1541. baseVersion
  1542. );
  1543. const transOp = transform( op, transformBy );
  1544. expect( transOp.length ).to.equal( 1 );
  1545. expectOperation( transOp[ 0 ], expected );
  1546. } );
  1547. it( 'range before node from transforming range start path: decrement index on range start path', () => {
  1548. const transformBy = new MoveOperation(
  1549. new Position( root, [ 2, 0 ] ),
  1550. 1,
  1551. new Position( root, [ 4, 1, 0 ] ),
  1552. baseVersion
  1553. );
  1554. const transOp = transform( op, transformBy );
  1555. expected.sourcePosition.path[ 1 ] -= 1;
  1556. expect( transOp.length ).to.equal( 1 );
  1557. expectOperation( transOp[ 0 ], expected );
  1558. } );
  1559. it( 'range after node from transforming range start path: no operation update', () => {
  1560. const transformBy = new MoveOperation(
  1561. new Position( root, [ 2, 3 ] ),
  1562. 2,
  1563. new Position( root, [ 4, 1, 0 ] ),
  1564. baseVersion
  1565. );
  1566. const transOp = transform( op, transformBy );
  1567. expect( transOp.length ).to.equal( 1 );
  1568. expectOperation( transOp[ 0 ], expected );
  1569. } );
  1570. it( 'target offset before transforming target offset: increment target offset', () => {
  1571. const transformBy = new MoveOperation(
  1572. new Position( root, [ 4, 1, 0 ] ),
  1573. 2,
  1574. new Position( root, [ 3, 3, 0 ] ),
  1575. baseVersion
  1576. );
  1577. const transOp = transform( op, transformBy );
  1578. expected.targetPosition.offset += 2;
  1579. expect( transOp.length ).to.equal( 1 );
  1580. expectOperation( transOp[ 0 ], expected );
  1581. } );
  1582. it( 'target offset after transforming target offset: no operation update', () => {
  1583. const transformBy = new MoveOperation(
  1584. new Position( root, [ 4, 1, 0 ] ),
  1585. 2,
  1586. new Position( root, [ 3, 3, 5 ] ),
  1587. baseVersion
  1588. );
  1589. const transOp = transform( op, transformBy );
  1590. expect( transOp.length ).to.equal( 1 );
  1591. expectOperation( transOp[ 0 ], expected );
  1592. } );
  1593. it( 'range offset before transforming target offset: decrement target offset', () => {
  1594. const transformBy = new MoveOperation(
  1595. new Position( root, [ 3, 3, 0 ] ),
  1596. 2,
  1597. new Position( root, [ 4, 1, 0 ] ),
  1598. baseVersion
  1599. );
  1600. const transOp = transform( op, transformBy );
  1601. expected.targetPosition.offset -= 2;
  1602. expect( transOp.length ).to.equal( 1 );
  1603. expectOperation( transOp[ 0 ], expected );
  1604. } );
  1605. it( 'range offset after transforming target offset: no operation update', () => {
  1606. const transformBy = new MoveOperation(
  1607. new Position( root, [ 3, 3, 5 ] ),
  1608. 2,
  1609. new Position( root, [ 4, 1, 0 ] ),
  1610. baseVersion
  1611. );
  1612. const transOp = transform( op, transformBy );
  1613. expect( transOp.length ).to.equal( 1 );
  1614. expectOperation( transOp[ 0 ], expected );
  1615. } );
  1616. it( 'target before node from transforming target path: increment index on target path', () => {
  1617. const transformBy = new MoveOperation(
  1618. new Position( root, [ 4, 1, 0 ] ),
  1619. 2,
  1620. new Position( root, [ 3, 1 ] ),
  1621. baseVersion
  1622. );
  1623. const transOp = transform( op, transformBy );
  1624. expected.targetPosition.path[ 1 ] += 2;
  1625. expect( transOp.length ).to.equal( 1 );
  1626. expectOperation( transOp[ 0 ], expected );
  1627. } );
  1628. it( 'target after node from transforming target path: no operation update', () => {
  1629. const transformBy = new MoveOperation(
  1630. new Position( root, [ 4, 1, 0 ] ),
  1631. 2,
  1632. new Position( root, [ 3, 5 ] ),
  1633. baseVersion
  1634. );
  1635. const transOp = transform( op, transformBy );
  1636. expect( transOp.length ).to.equal( 1 );
  1637. expectOperation( transOp[ 0 ], expected );
  1638. } );
  1639. it( 'range before node from transforming target path: decrement index on target path', () => {
  1640. const transformBy = new MoveOperation(
  1641. new Position( root, [ 3, 0 ] ),
  1642. 2,
  1643. new Position( root, [ 4, 1, 0 ] ),
  1644. baseVersion
  1645. );
  1646. const transOp = transform( op, transformBy );
  1647. expected.targetPosition.path[ 1 ] -= 2;
  1648. expect( transOp.length ).to.equal( 1 );
  1649. expectOperation( transOp[ 0 ], expected );
  1650. } );
  1651. it( 'range after node from transforming target path: no operation update', () => {
  1652. const transformBy = new MoveOperation(
  1653. new Position( root, [ 3, 5 ] ),
  1654. 2,
  1655. new Position( root, [ 4, 1, 0 ] ),
  1656. baseVersion
  1657. );
  1658. const transOp = transform( op, transformBy );
  1659. expect( transOp.length ).to.equal( 1 );
  1660. expectOperation( transOp[ 0 ], expected );
  1661. } );
  1662. it( 'target inside transforming move range: expand move range', () => {
  1663. const transformBy = new MoveOperation(
  1664. new Position( root, [ 4, 1, 0 ] ),
  1665. 2,
  1666. new Position( root, [ 2, 2, 5 ] ),
  1667. baseVersion
  1668. );
  1669. const transOp = transform( op, transformBy );
  1670. expect( transOp.length ).to.equal( 1 );
  1671. expected.howMany = 4;
  1672. expectOperation( transOp[ 0 ], expected );
  1673. } );
  1674. it( 'target at start boundary of transforming move range: increment source offset', () => {
  1675. const transformBy = new MoveOperation(
  1676. new Position( root, [ 4, 1, 0 ] ),
  1677. 2,
  1678. new Position( root, [ 2, 2, 4 ] ),
  1679. baseVersion
  1680. );
  1681. const transOp = transform( op, transformBy );
  1682. expect( transOp.length ).to.equal( 1 );
  1683. expected.sourcePosition.offset = 6;
  1684. expectOperation( transOp[ 0 ], expected );
  1685. } );
  1686. it( 'target at start boundary of transforming move range (sticky move): expand move range', () => {
  1687. const transformBy = new MoveOperation(
  1688. new Position( root, [ 4, 1, 0 ] ),
  1689. 2,
  1690. new Position( root, [ 2, 2, 4 ] ),
  1691. baseVersion
  1692. );
  1693. op.isSticky = true;
  1694. const transOp = transform( op, transformBy );
  1695. expect( transOp.length ).to.equal( 1 );
  1696. expected.howMany = 4;
  1697. expectOperation( transOp[ 0 ], expected );
  1698. } );
  1699. it( 'target at end boundary of transforming move range: no operation update', () => {
  1700. const transformBy = new MoveOperation(
  1701. new Position( root, [ 4, 1, 0 ] ),
  1702. 2,
  1703. new Position( root, [ 2, 2, 6 ] ),
  1704. baseVersion
  1705. );
  1706. const transOp = transform( op, transformBy );
  1707. expect( transOp.length ).to.equal( 1 );
  1708. expectOperation( transOp[ 0 ], expected );
  1709. } );
  1710. it( 'target at end boundary of transforming move range (sticky move): expand move range', () => {
  1711. const transformBy = new MoveOperation(
  1712. new Position( root, [ 4, 1, 0 ] ),
  1713. 2,
  1714. new Position( root, [ 2, 2, 6 ] ),
  1715. baseVersion
  1716. );
  1717. op.isSticky = true;
  1718. const transOp = transform( op, transformBy );
  1719. expect( transOp.length ).to.equal( 1 );
  1720. expected.howMany = 4;
  1721. expectOperation( transOp[ 0 ], expected );
  1722. } );
  1723. it( 'target inside a node from transforming range: no operation update', () => {
  1724. const transformBy = new MoveOperation(
  1725. new Position( root, [ 4, 1, 0 ] ),
  1726. 2,
  1727. new Position( root, [ 2, 2, 5, 1 ] ),
  1728. baseVersion
  1729. );
  1730. const transOp = transform( op, transformBy );
  1731. expect( transOp.length ).to.equal( 1 );
  1732. expectOperation( transOp[ 0 ], expected );
  1733. } );
  1734. it( 'range has node that contains transforming range: update range path', () => {
  1735. const transformBy = new MoveOperation(
  1736. new Position( root, [ 2, 1 ] ),
  1737. 3,
  1738. new Position( root, [ 4, 2 ] ),
  1739. baseVersion
  1740. );
  1741. const transOp = transform( op, transformBy );
  1742. expected.sourcePosition.path = [ 4, 3, 4 ];
  1743. expect( transOp.length ).to.equal( 1 );
  1744. expectOperation( transOp[ 0 ], expected );
  1745. } );
  1746. it( 'range has node that contains transforming target: update target path', () => {
  1747. const transformBy = new MoveOperation(
  1748. new Position( root, [ 3, 2 ] ),
  1749. 3,
  1750. new Position( root, [ 0, 1 ] ),
  1751. baseVersion
  1752. );
  1753. const transOp = transform( op, transformBy );
  1754. expected.targetPosition.path = [ 0, 2, 3 ];
  1755. expect( transOp.length ).to.equal( 1 );
  1756. expectOperation( transOp[ 0 ], expected );
  1757. } );
  1758. it( 'target inside a node from transforming range and vice versa: reverse transform-by operation', () => {
  1759. const transformBy = new MoveOperation(
  1760. new Position( root, [ 3, 2 ] ),
  1761. 3,
  1762. new Position( root, [ 2, 2, 5, 0 ] ),
  1763. baseVersion
  1764. );
  1765. const transOp = transform( op, transformBy );
  1766. const reversed = transformBy.getReversed();
  1767. expected.sourcePosition = reversed.sourcePosition;
  1768. expected.targetPosition = reversed.targetPosition;
  1769. expected.howMany = reversed.howMany;
  1770. expect( transOp.length ).to.equal( 1 );
  1771. expectOperation( transOp[ 0 ], expected );
  1772. } );
  1773. it( 'range is same as transforming range and is important: convert to NoOperation', () => {
  1774. const transformBy = new MoveOperation(
  1775. op.sourcePosition,
  1776. op.howMany,
  1777. new Position( root, [ 4, 1, 0 ] ),
  1778. baseVersion
  1779. );
  1780. const transOp = transform( op, transformBy );
  1781. expect( transOp.length ).to.equal( 1 );
  1782. expectOperation( transOp[ 0 ], {
  1783. type: NoOperation,
  1784. baseVersion: baseVersion + 1
  1785. } );
  1786. } );
  1787. it( 'range is same as transforming range and is less important: update range path', () => {
  1788. const transformBy = new MoveOperation(
  1789. op.sourcePosition,
  1790. op.howMany,
  1791. new Position( root, [ 4, 1, 0 ] ),
  1792. baseVersion
  1793. );
  1794. const transOp = transform( op, transformBy, true );
  1795. expected.sourcePosition.path = [ 4, 1, 0 ];
  1796. expect( transOp.length ).to.equal( 1 );
  1797. expectOperation( transOp[ 0 ], expected );
  1798. } );
  1799. it( 'range contains transforming range and is important: convert to NoOperation', () => {
  1800. const transformBy = new MoveOperation(
  1801. new Position( root, [ 2, 2, 3 ] ),
  1802. 4,
  1803. new Position( root, [ 4, 1, 0 ] ),
  1804. baseVersion
  1805. );
  1806. const transOp = transform( op, transformBy );
  1807. expect( transOp.length ).to.equal( 1 );
  1808. expectOperation( transOp[ 0 ], {
  1809. type: NoOperation,
  1810. baseVersion: baseVersion + 1
  1811. } );
  1812. } );
  1813. it( 'range contains transforming range and is less important: update range path', () => {
  1814. const transformBy = new MoveOperation(
  1815. new Position( root, [ 2, 2, 3 ] ),
  1816. 4,
  1817. new Position( root, [ 4, 1, 0 ] ),
  1818. baseVersion
  1819. );
  1820. const transOp = transform( op, transformBy, true );
  1821. expected.sourcePosition.path = [ 4, 1, 1 ];
  1822. expect( transOp.length ).to.equal( 1 );
  1823. expectOperation( transOp[ 0 ], expected );
  1824. } );
  1825. it( 'range contains transforming range and target and is important: update range path and target', () => {
  1826. op.targetPosition.path = [ 2, 2, 7 ];
  1827. const transformBy = new MoveOperation(
  1828. new Position( root, [ 2, 2, 3 ] ),
  1829. 5,
  1830. new Position( root, [ 4, 1, 0 ] ),
  1831. baseVersion
  1832. );
  1833. const transOp = transform( op, transformBy );
  1834. expect( transOp.length ).to.equal( 1 );
  1835. expected.sourcePosition.path = [ 4, 1, 1 ];
  1836. expected.targetPosition.path = [ 4, 1, 4 ];
  1837. expectOperation( transOp[ 0 ], expected );
  1838. } );
  1839. it( 'range contains transforming range and target and is less important: update range path and target', () => {
  1840. op.targetPosition.path = [ 2, 2, 7 ];
  1841. const transformBy = new MoveOperation(
  1842. new Position( root, [ 2, 2, 3 ] ),
  1843. 5,
  1844. new Position( root, [ 4, 1, 0 ] ),
  1845. baseVersion
  1846. );
  1847. const transOp = transform( op, transformBy, true );
  1848. expect( transOp.length ).to.equal( 1 );
  1849. expected.sourcePosition.path = [ 4, 1, 1 ];
  1850. expected.targetPosition.path = [ 4, 1, 4 ];
  1851. expectOperation( transOp[ 0 ], expected );
  1852. } );
  1853. it( 'range intersects on left side of transforming range and is important: shrink range', () => {
  1854. const transformBy = new MoveOperation(
  1855. new Position( root, [ 2, 2, 3 ] ),
  1856. 2,
  1857. new Position( root, [ 4, 1, 0 ] ),
  1858. baseVersion
  1859. );
  1860. const transOp = transform( op, transformBy );
  1861. expected.sourcePosition.path = [ 2, 2, 3 ];
  1862. expected.howMany = 1;
  1863. expect( transOp.length ).to.equal( 1 );
  1864. expectOperation( transOp[ 0 ], expected );
  1865. } );
  1866. it( 'range intersects on left side of transforming range and is less important: split into two operations', () => {
  1867. // Get more test cases and better code coverage
  1868. const otherRoot = new RootElement( null );
  1869. const transformBy = new MoveOperation(
  1870. new Position( root, [ 2, 2, 3 ] ),
  1871. 2,
  1872. new Position( otherRoot, [ 4, 1, 0 ] ),
  1873. baseVersion
  1874. );
  1875. const transOp = transform( op, transformBy, true );
  1876. expect( transOp.length ).to.equal( 2 );
  1877. expected.sourcePosition.path = [ 2, 2, 3 ];
  1878. expected.howMany = 1;
  1879. expectOperation( transOp[ 0 ], expected );
  1880. expected.sourcePosition = new Position( otherRoot, [ 4, 1, 1 ] );
  1881. expected.baseVersion++;
  1882. expectOperation( transOp[ 1 ], expected );
  1883. } );
  1884. it( 'range intersects on right side of transforming range and is important: shrink range', () => {
  1885. const transformBy = new MoveOperation(
  1886. new Position( root, [ 2, 2, 5 ] ),
  1887. 2,
  1888. new Position( root, [ 4, 1, 0 ] ),
  1889. baseVersion
  1890. );
  1891. const transOp = transform( op, transformBy );
  1892. expected.howMany = 1;
  1893. expect( transOp.length ).to.equal( 1 );
  1894. expectOperation( transOp[ 0 ], expected );
  1895. } );
  1896. it( 'range intersects on right side of transforming range and is less important: split into two operations', () => {
  1897. const transformBy = new MoveOperation(
  1898. new Position( root, [ 2, 2, 5 ] ),
  1899. 2,
  1900. new Position( root, [ 4, 1, 0 ] ),
  1901. baseVersion
  1902. );
  1903. const transOp = transform( op, transformBy, true );
  1904. expect( transOp.length ).to.equal( 2 );
  1905. expected.sourcePosition.path = [ 4, 1, 0 ];
  1906. expected.howMany = 1;
  1907. expectOperation( transOp[ 0 ], expected );
  1908. expected.sourcePosition.path = op.sourcePosition.path;
  1909. expected.baseVersion++;
  1910. expectOperation( transOp[ 1 ], expected );
  1911. } );
  1912. it( 'range intersects on left side, target inside transforming range and is important: expand move range', () => {
  1913. op.howMany = 4;
  1914. const transformBy = new MoveOperation(
  1915. new Position( root, [ 2, 2, 3 ] ),
  1916. 2,
  1917. new Position( root, [ 2, 2, 6 ] ),
  1918. baseVersion
  1919. );
  1920. const transOp = transform( op, transformBy );
  1921. expect( transOp.length ).to.equal( 1 );
  1922. expected.sourcePosition.path = [ 2, 2, 3 ];
  1923. expected.howMany = 5;
  1924. expectOperation( transOp[ 0 ], expected );
  1925. } );
  1926. it( 'range intersects on left side, target inside transforming range and is less important: expand move range', () => {
  1927. op.howMany = 4;
  1928. const transformBy = new MoveOperation(
  1929. new Position( root, [ 2, 2, 3 ] ),
  1930. 2,
  1931. new Position( root, [ 2, 2, 6 ] ),
  1932. baseVersion
  1933. );
  1934. const transOp = transform( op, transformBy, true );
  1935. expect( transOp.length ).to.equal( 1 );
  1936. expected.sourcePosition.path = [ 2, 2, 3 ];
  1937. expected.howMany = 5;
  1938. expectOperation( transOp[ 0 ], expected );
  1939. } );
  1940. it( 'range intersects on right side of transforming range and is important: shrink range', () => {
  1941. const transformBy = new MoveOperation(
  1942. new Position( root, [ 2, 2, 5 ] ),
  1943. 2,
  1944. new Position( root, [ 4, 1, 0 ] ),
  1945. baseVersion
  1946. );
  1947. const transOp = transform( op, transformBy );
  1948. expected.howMany = 1;
  1949. expect( transOp.length ).to.equal( 1 );
  1950. expectOperation( transOp[ 0 ], expected );
  1951. } );
  1952. it( 'range intersects on right side of transforming range and is less important: split into two operations', () => {
  1953. const transformBy = new MoveOperation(
  1954. new Position( root, [ 2, 2, 5 ] ),
  1955. 2,
  1956. new Position( root, [ 4, 1, 0 ] ),
  1957. baseVersion
  1958. );
  1959. const transOp = transform( op, transformBy, true );
  1960. expect( transOp.length ).to.equal( 2 );
  1961. expected.sourcePosition.path = [ 4, 1, 0 ];
  1962. expected.howMany = 1;
  1963. expectOperation( transOp[ 0 ], expected );
  1964. expected.sourcePosition.path = op.sourcePosition.path;
  1965. expected.baseVersion++;
  1966. expectOperation( transOp[ 1 ], expected );
  1967. } );
  1968. it( 'range intersects, target inside transforming range and is important: split into two operations', () => {
  1969. op.targetPosition.path = [ 2, 2, 7 ];
  1970. const transformBy = new MoveOperation(
  1971. new Position( root, [ 2, 2, 5 ] ),
  1972. 4,
  1973. new Position( root, [ 4, 1, 0 ] ),
  1974. baseVersion
  1975. );
  1976. const transOp = transform( op, transformBy, true );
  1977. expect( transOp.length ).to.equal( 2 );
  1978. expected.sourcePosition.path = [ 4, 1, 0 ];
  1979. expected.targetPosition.path = [ 4, 1, 2 ];
  1980. expected.howMany = 1;
  1981. expectOperation( transOp[ 0 ], expected );
  1982. expected.sourcePosition.path = [ 2, 2, 4 ];
  1983. expected.targetPosition.path = [ 4, 1, 2 ];
  1984. expected.howMany = 1;
  1985. expected.baseVersion++;
  1986. expectOperation( transOp[ 1 ], expected );
  1987. } );
  1988. it( 'range intersects, target inside transforming range and is less important: shrink range', () => {
  1989. op.targetPosition.path = [ 2, 2, 7 ];
  1990. const transformBy = new MoveOperation(
  1991. new Position( root, [ 2, 2, 5 ] ),
  1992. 4,
  1993. new Position( root, [ 4, 1, 0 ] ),
  1994. baseVersion
  1995. );
  1996. const transOp = transform( op, transformBy );
  1997. expect( transOp.length ).to.equal( 1 );
  1998. expected.sourcePosition.path = [ 2, 2, 4 ];
  1999. expected.targetPosition.path = [ 4, 1, 2 ];
  2000. expected.howMany = 1;
  2001. expectOperation( transOp[ 0 ], expected );
  2002. } );
  2003. it( 'range inside transforming range and is important: shrink range', () => {
  2004. op.howMany = 4;
  2005. const transformBy = new MoveOperation(
  2006. new Position( root, [ 2, 2, 5 ] ),
  2007. 2,
  2008. new Position( root, [ 4, 1, 0 ] ),
  2009. baseVersion
  2010. );
  2011. const transOp = transform( op, transformBy );
  2012. expect( transOp.length ).to.equal( 1 );
  2013. expected.howMany = 2;
  2014. expectOperation( transOp[ 0 ], expected );
  2015. } );
  2016. it( 'range inside transforming range and is less important: split into two operations', () => {
  2017. op.howMany = 4;
  2018. const transformBy = new MoveOperation(
  2019. new Position( root, [ 2, 2, 5 ] ),
  2020. 2,
  2021. new Position( root, [ 4, 1, 0 ] ),
  2022. baseVersion
  2023. );
  2024. const transOp = transform( op, transformBy, true );
  2025. expect( transOp.length ).to.equal( 2 );
  2026. expected.sourcePosition.path = [ 4, 1, 0 ];
  2027. expected.howMany = 2;
  2028. expectOperation( transOp[ 0 ], expected );
  2029. expected.sourcePosition.path = [ 2, 2, 4 ];
  2030. expected.howMany = 2;
  2031. expected.baseVersion++;
  2032. expectOperation( transOp[ 1 ], expected );
  2033. } );
  2034. it( 'range and target inside transforming range and is important: no operation update', () => {
  2035. op.howMany = 6;
  2036. const transformBy = new MoveOperation(
  2037. new Position( root, [ 2, 2, 5 ] ),
  2038. 2,
  2039. new Position( root, [ 2, 2, 9 ] ),
  2040. baseVersion
  2041. );
  2042. const transOp = transform( op, transformBy );
  2043. expect( transOp.length ).to.equal( 1 );
  2044. expected.howMany = 6;
  2045. expectOperation( transOp[ 0 ], expected );
  2046. } );
  2047. it( 'range and target inside transforming range and is less important: no operation update', () => {
  2048. op.howMany = 6;
  2049. const transformBy = new MoveOperation(
  2050. new Position( root, [ 2, 2, 5 ] ),
  2051. 2,
  2052. new Position( root, [ 2, 2, 9 ] ),
  2053. baseVersion
  2054. );
  2055. const transOp = transform( op, transformBy, true );
  2056. expect( transOp.length ).to.equal( 1 );
  2057. expected.howMany = 6;
  2058. expectOperation( transOp[ 0 ], expected );
  2059. } );
  2060. } );
  2061. describe( 'by NoOperation', () => {
  2062. it( 'no operation update', () => {
  2063. const transformBy = new NoOperation( baseVersion );
  2064. const transOp = transform( op, transformBy );
  2065. expect( transOp.length ).to.equal( 1 );
  2066. expectOperation( transOp[ 0 ], expected );
  2067. } );
  2068. } );
  2069. describe( 'by RenameOperation', () => {
  2070. it( 'no position update', () => {
  2071. const transformBy = new RenameOperation( new Position( root, [ 2, 2, 4 ] ), 'oldName', 'newName', baseVersion );
  2072. const transOp = transform( op, transformBy );
  2073. expect( transOp.length ).to.equal( 1 );
  2074. expectOperation( transOp[ 0 ], expected );
  2075. } );
  2076. } );
  2077. describe( 'by MarkerOperation', () => {
  2078. it( 'no position update', () => {
  2079. const newRange = new Range( new Position( root, [ 2, 2, 3 ] ), new Position( root, [ 2, 2, 8 ] ) );
  2080. const transformBy = new MarkerOperation( 'name', null, newRange, doc.markers, baseVersion );
  2081. const transOp = transform( op, transformBy );
  2082. expect( transOp.length ).to.equal( 1 );
  2083. expectOperation( transOp[ 0 ], expected );
  2084. } );
  2085. } );
  2086. } );
  2087. describe( 'RemoveOperation', () => {
  2088. describe( 'by InsertOperation', () => {
  2089. it( 'should not need new graveyard holder if original operation did not needed it either', () => {
  2090. const op = new RemoveOperation( new Position( root, [ 1 ] ), 1, baseVersion );
  2091. op._needsHolderElement = false;
  2092. const transformBy = new InsertOperation( new Position( root, [ 0 ] ), [ new Node() ], baseVersion );
  2093. const transOp = transform( op, transformBy )[ 0 ];
  2094. expect( transOp._needsHolderElement ).to.be.false;
  2095. } );
  2096. } );
  2097. describe( 'by MoveOperation', () => {
  2098. it( 'should create not more than one RemoveOperation that needs new graveyard holder', () => {
  2099. const op = new RemoveOperation( new Position( root, [ 1 ] ), 4, baseVersion );
  2100. const transformBy = new MoveOperation( new Position( root, [ 0 ] ), 2, new Position( root, [ 8 ] ), baseVersion );
  2101. const transOp = transform( op, transformBy );
  2102. expect( transOp.length ).to.equal( 2 );
  2103. expect( transOp[ 0 ]._needsHolderElement ).to.be.true;
  2104. expect( transOp[ 1 ]._needsHolderElement ).to.be.false;
  2105. } );
  2106. it( 'should not need new graveyard holder if original operation did not needed it either', () => {
  2107. const op = new RemoveOperation( new Position( root, [ 1 ] ), 4, baseVersion );
  2108. op._needsHolderElement = false;
  2109. const transformBy = new MoveOperation( new Position( root, [ 0 ] ), 2, new Position( root, [ 8 ] ), baseVersion );
  2110. const transOp = transform( op, transformBy );
  2111. expect( transOp.length ).to.equal( 2 );
  2112. expect( transOp[ 0 ]._needsHolderElement ).to.be.false;
  2113. expect( transOp[ 1 ]._needsHolderElement ).to.be.false;
  2114. } );
  2115. it( 'should force removing content even if was less important', () => {
  2116. const op = new RemoveOperation( new Position( root, [ 8 ] ), 2, baseVersion );
  2117. const targetPosition = Position.createFromPosition( op.targetPosition );
  2118. const transformBy = new MoveOperation( new Position( root, [ 8 ] ), 2, new Position( root, [ 1 ] ), baseVersion );
  2119. const sourcePosition = Position.createFromPosition( transformBy.targetPosition );
  2120. const transOp = transform( op, transformBy, false );
  2121. expect( transOp.length ).to.equal( 1 );
  2122. expectOperation( transOp[ 0 ], {
  2123. type: RemoveOperation,
  2124. howMany: 2,
  2125. sourcePosition,
  2126. targetPosition,
  2127. baseVersion: baseVersion + 1
  2128. } );
  2129. } );
  2130. } );
  2131. describe( 'by RemoveOperation', () => {
  2132. it( 'removes same nodes and transformed is weak: change howMany to 0', () => {
  2133. const position = new Position( root, [ 2, 1 ] );
  2134. const op = new RemoveOperation( position, 3, baseVersion );
  2135. const transformBy = new RemoveOperation( position, 3, baseVersion );
  2136. const transOp = transform( op, transformBy );
  2137. expect( transOp.length ).to.equal( 1 );
  2138. expectOperation( transOp[ 0 ], {
  2139. type: RemoveOperation,
  2140. howMany: 0,
  2141. sourcePosition: new Position( doc.graveyard, [ 0, 0 ] ),
  2142. targetPosition: new Position( doc.graveyard, [ 0, 0 ] ),
  2143. baseVersion: baseVersion + 1
  2144. } );
  2145. } );
  2146. it( 'removes same nodes and transformed is strong: change source position', () => {
  2147. const position = new Position( root, [ 2, 1 ] );
  2148. const op = new RemoveOperation( position, 3, baseVersion );
  2149. const transformBy = new RemoveOperation( position, 3, baseVersion );
  2150. const transOp = transform( op, transformBy, true );
  2151. expect( transOp.length ).to.equal( 1 );
  2152. expectOperation( transOp[ 0 ], {
  2153. type: RemoveOperation,
  2154. howMany: 3,
  2155. sourcePosition: new Position( doc.graveyard, [ 0, 0 ] ),
  2156. targetPosition: new Position( doc.graveyard, [ 1, 0 ] ),
  2157. baseVersion: baseVersion + 1
  2158. } );
  2159. } );
  2160. } );
  2161. } );
  2162. describe( 'ReinsertOperation', () => {
  2163. describe( 'by RemoveOperation', () => {
  2164. it( 'should update sourcePosition if remove operation inserted holder offset before reinsert operation holder', () => {
  2165. const position = new Position( root, [ 2, 1 ] );
  2166. const transformBy = new RemoveOperation( position, 3, baseVersion );
  2167. const op = new ReinsertOperation( new Position( doc.graveyard, [ 0, 0 ] ), 3, position, baseVersion );
  2168. const transOp = transform( op, transformBy );
  2169. expect( transOp.length ).to.equal( 1 );
  2170. expectOperation( transOp[ 0 ], {
  2171. type: ReinsertOperation,
  2172. howMany: 3,
  2173. sourcePosition: new Position( doc.graveyard, [ 1, 0 ] ),
  2174. targetPosition: position,
  2175. baseVersion: baseVersion + 1
  2176. } );
  2177. } );
  2178. it( 'should not update sourcePosition if remove operation inserted holder offset after reinsert operation source', () => {
  2179. const position = new Position( root, [ 2, 1 ] );
  2180. const transformBy = new RemoveOperation( position, 3, baseVersion );
  2181. transformBy.targetPosition = new Position( doc.graveyard, [ 3, 0 ] );
  2182. const op = new ReinsertOperation( new Position( doc.graveyard, [ 2, 0 ] ), 3, position, baseVersion );
  2183. const transOp = transform( op, transformBy );
  2184. expect( transOp.length ).to.equal( 1 );
  2185. expectOperation( transOp[ 0 ], {
  2186. type: ReinsertOperation,
  2187. howMany: 3,
  2188. sourcePosition: new Position( doc.graveyard, [ 2, 0 ] ),
  2189. targetPosition: position,
  2190. baseVersion: baseVersion + 1
  2191. } );
  2192. } );
  2193. } );
  2194. } );
  2195. describe( 'NoOperation', () => {
  2196. beforeEach( () => {
  2197. op = new NoOperation( baseVersion );
  2198. expected = {
  2199. type: NoOperation,
  2200. baseVersion: baseVersion + 1
  2201. };
  2202. } );
  2203. describe( 'by InsertOperation', () => {
  2204. it( 'no operation update', () => {
  2205. const transformBy = new InsertOperation(
  2206. new Position( root, [ 0 ] ),
  2207. 'a',
  2208. baseVersion
  2209. );
  2210. const transOp = transform( op, transformBy );
  2211. expect( transOp.length ).to.equal( 1 );
  2212. expectOperation( transOp[ 0 ], expected );
  2213. } );
  2214. } );
  2215. describe( 'by AttributeOperation', () => {
  2216. it( 'no operation update', () => {
  2217. const transformBy = new AttributeOperation(
  2218. new Range(
  2219. new Position( root, [ 0 ] ),
  2220. new Position( root, [ 1 ] )
  2221. ),
  2222. 'foo',
  2223. 'bar',
  2224. 'xyz',
  2225. baseVersion
  2226. );
  2227. const transOp = transform( op, transformBy );
  2228. expect( transOp.length ).to.equal( 1 );
  2229. expectOperation( transOp[ 0 ], expected );
  2230. } );
  2231. } );
  2232. describe( 'by RootAttributeOperation', () => {
  2233. it( 'no operation update', () => {
  2234. const transformBy = new RootAttributeOperation(
  2235. root,
  2236. 'foo',
  2237. null,
  2238. 'bar',
  2239. baseVersion
  2240. );
  2241. const transOp = transform( op, transformBy );
  2242. expect( transOp.length ).to.equal( 1 );
  2243. expectOperation( transOp[ 0 ], expected );
  2244. } );
  2245. } );
  2246. describe( 'by MoveOperation', () => {
  2247. it( 'no operation update', () => {
  2248. const transformBy = new MoveOperation(
  2249. new Position( root, [ 0 ] ),
  2250. 2,
  2251. new Position( root, [ 1 ] ),
  2252. baseVersion
  2253. );
  2254. const transOp = transform( op, transformBy );
  2255. expect( transOp.length ).to.equal( 1 );
  2256. expectOperation( transOp[ 0 ], expected );
  2257. } );
  2258. } );
  2259. describe( 'by NoOperation', () => {
  2260. it( 'no operation update', () => {
  2261. const transformBy = new NoOperation( baseVersion );
  2262. const transOp = transform( op, transformBy );
  2263. expect( transOp.length ).to.equal( 1 );
  2264. expectOperation( transOp[ 0 ], expected );
  2265. } );
  2266. } );
  2267. describe( 'by RenameOperation', () => {
  2268. it( 'no position update', () => {
  2269. const transformBy = new RenameOperation( new Position( root, [ 0, 2, 0 ] ), 'oldName', 'newName', baseVersion );
  2270. const transOp = transform( op, transformBy );
  2271. expect( transOp.length ).to.equal( 1 );
  2272. expectOperation( transOp[ 0 ], expected );
  2273. } );
  2274. } );
  2275. describe( 'by MarkerOperation', () => {
  2276. it( 'no position update', () => {
  2277. const newRange = new Range( new Position( root, [ 0, 2, 0 ] ), new Position( root, [ 0, 2, 8 ] ) );
  2278. const transformBy = new MarkerOperation( 'name', null, newRange, doc.markers, baseVersion );
  2279. const transOp = transform( op, transformBy );
  2280. expect( transOp.length ).to.equal( 1 );
  2281. expectOperation( transOp[ 0 ], expected );
  2282. } );
  2283. } );
  2284. } );
  2285. describe( 'RenameOperation', () => {
  2286. beforeEach( () => {
  2287. const position = new Position( root, [ 0, 2, 2 ] );
  2288. op = new RenameOperation( position, 'oldName', 'newName', baseVersion );
  2289. expected = {
  2290. position,
  2291. oldName: 'oldName',
  2292. newName: 'newName',
  2293. baseVersion: baseVersion + 1
  2294. };
  2295. } );
  2296. describe( 'by InsertOperation', () => {
  2297. it( 'target before renamed element: offset update', () => {
  2298. const transformBy = new InsertOperation(
  2299. new Position( root, [ 0, 2, 1 ] ),
  2300. [ nodeA, nodeB ],
  2301. baseVersion
  2302. );
  2303. const transOp = transform( op, transformBy );
  2304. expect( transOp.length ).to.equal( 1 );
  2305. expected.position.offset = 4;
  2306. expectOperation( transOp[ 0 ], expected );
  2307. } );
  2308. it( 'target after renamed element: no change', () => {
  2309. const transformBy = new InsertOperation(
  2310. new Position( root, [ 0, 2, 3 ] ),
  2311. [ nodeA, nodeB ],
  2312. baseVersion
  2313. );
  2314. const transOp = transform( op, transformBy );
  2315. expect( transOp.length ).to.equal( 1 );
  2316. expectOperation( transOp[ 0 ], expected );
  2317. } );
  2318. it( 'target before a node on path to renamed element: path update', () => {
  2319. const transformBy = new InsertOperation(
  2320. new Position( root, [ 0, 1 ] ),
  2321. [ nodeA, nodeB ],
  2322. baseVersion
  2323. );
  2324. const transOp = transform( op, transformBy );
  2325. expect( transOp.length ).to.equal( 1 );
  2326. expected.position.path = [ 0, 4, 2 ];
  2327. expectOperation( transOp[ 0 ], expected );
  2328. } );
  2329. it( 'target after a node on path to renamed element: no change', () => {
  2330. const transformBy = new InsertOperation(
  2331. new Position( root, [ 0, 3 ] ),
  2332. [ nodeA, nodeB ],
  2333. baseVersion
  2334. );
  2335. const transOp = transform( op, transformBy );
  2336. expect( transOp.length ).to.equal( 1 );
  2337. expectOperation( transOp[ 0 ], expected );
  2338. } );
  2339. } );
  2340. describe( 'by AttributeOperation', () => {
  2341. it( 'no operation update', () => {
  2342. const transformBy = new AttributeOperation(
  2343. new Range(
  2344. new Position( root, [ 0, 2, 1 ] ),
  2345. new Position( root, [ 1, 3 ] )
  2346. ),
  2347. 'foo',
  2348. 'bar',
  2349. 'xyz',
  2350. baseVersion
  2351. );
  2352. const transOp = transform( op, transformBy );
  2353. expect( transOp.length ).to.equal( 1 );
  2354. expectOperation( transOp[ 0 ], expected );
  2355. } );
  2356. } );
  2357. describe( 'by RootAttributeOperation', () => {
  2358. it( 'no operation update', () => {
  2359. const transformBy = new RootAttributeOperation(
  2360. root,
  2361. 'foo',
  2362. null,
  2363. 'bar',
  2364. baseVersion
  2365. );
  2366. const transOp = transform( op, transformBy );
  2367. expect( transOp.length ).to.equal( 1 );
  2368. expectOperation( transOp[ 0 ], expected );
  2369. } );
  2370. } );
  2371. describe( 'by MarkerOperation', () => {
  2372. it( 'no operation update', () => {
  2373. const newRange = new Range( new Position( root, [ 0, 2, 0 ] ), new Position( root, [ 0, 2, 8 ] ) );
  2374. const transformBy = new MarkerOperation( 'name', null, newRange, doc.markers, baseVersion );
  2375. const transOp = transform( op, transformBy );
  2376. expect( transOp.length ).to.equal( 1 );
  2377. expectOperation( transOp[ 0 ], expected );
  2378. } );
  2379. } );
  2380. describe( 'by RenameOperation', () => {
  2381. it( 'different element: no change', () => {
  2382. const transformBy = new RenameOperation(
  2383. new Position( root, [ 0, 2, 1 ] ),
  2384. 'foo',
  2385. 'bar',
  2386. baseVersion
  2387. );
  2388. const transOp = transform( op, transformBy );
  2389. expect( transOp.length ).to.equal( 1 );
  2390. expectOperation( transOp[ 0 ], expected );
  2391. } );
  2392. it( 'same element and is important: convert to NoOperation', () => {
  2393. const transformBy = new RenameOperation(
  2394. new Position( root, [ 0, 2, 2 ] ),
  2395. 'oldName',
  2396. 'otherName',
  2397. baseVersion
  2398. );
  2399. const transOp = transform( op, transformBy, false );
  2400. expect( transOp.length ).to.equal( 1 );
  2401. expectOperation( transOp[ 0 ], {
  2402. type: NoOperation,
  2403. baseVersion: baseVersion + 1
  2404. } );
  2405. } );
  2406. it( 'same element and is not important: change old name to new name', () => {
  2407. const transformBy = new RenameOperation(
  2408. new Position( root, [ 0, 2, 2 ] ),
  2409. 'oldName',
  2410. 'otherName',
  2411. baseVersion
  2412. );
  2413. const transOp = transform( op, transformBy, true );
  2414. expect( transOp.length ).to.equal( 1 );
  2415. expected.oldName = 'otherName';
  2416. expectOperation( transOp[ 0 ], expected );
  2417. } );
  2418. } );
  2419. describe( 'by MoveOperation', () => {
  2420. it( 'moved range before renamed element: update offset', () => {
  2421. const transformBy = new MoveOperation(
  2422. new Position( root, [ 0, 2, 0 ] ),
  2423. 2,
  2424. new Position( root, [ 2, 5 ] ),
  2425. baseVersion
  2426. );
  2427. const transOp = transform( op, transformBy );
  2428. expect( transOp.length ).to.equal( 1 );
  2429. expected.position.offset = 0;
  2430. expectOperation( transOp[ 0 ], expected );
  2431. } );
  2432. it( 'moved range before an element on path to renamed element: update path', () => {
  2433. const transformBy = new MoveOperation(
  2434. new Position( root, [ 0, 0 ] ),
  2435. 2,
  2436. new Position( root, [ 2, 5 ] ),
  2437. baseVersion
  2438. );
  2439. const transOp = transform( op, transformBy );
  2440. expect( transOp.length ).to.equal( 1 );
  2441. expected.position.path = [ 0, 0, 2 ];
  2442. expectOperation( transOp[ 0 ], expected );
  2443. } );
  2444. it( 'moved range contains renamed element: update path', () => {
  2445. const transformBy = new MoveOperation(
  2446. new Position( root, [ 0, 2, 1 ] ),
  2447. 3,
  2448. new Position( root, [ 2, 5 ] ),
  2449. baseVersion
  2450. );
  2451. const transOp = transform( op, transformBy );
  2452. expect( transOp.length ).to.equal( 1 );
  2453. expected.position.path = [ 2, 6 ];
  2454. expectOperation( transOp[ 0 ], expected );
  2455. } );
  2456. it( 'moved range contains renamed element parent: updated path', () => {
  2457. const transformBy = new MoveOperation(
  2458. new Position( root, [ 0, 1 ] ),
  2459. 3,
  2460. new Position( root, [ 2, 5 ] ),
  2461. baseVersion
  2462. );
  2463. const transOp = transform( op, transformBy );
  2464. expect( transOp.length ).to.equal( 1 );
  2465. expected.position.path = [ 2, 6, 2 ];
  2466. expectOperation( transOp[ 0 ], expected );
  2467. } );
  2468. it( 'move target before renamed element: update offset', () => {
  2469. const transformBy = new MoveOperation(
  2470. new Position( root, [ 2, 5 ] ),
  2471. 2,
  2472. new Position( root, [ 0, 2, 1 ] ),
  2473. baseVersion
  2474. );
  2475. const transOp = transform( op, transformBy );
  2476. expect( transOp.length ).to.equal( 1 );
  2477. expected.position.offset = 4;
  2478. expectOperation( transOp[ 0 ], expected );
  2479. } );
  2480. it( 'move target before an element on path to renamed element: update path', () => {
  2481. const transformBy = new MoveOperation(
  2482. new Position( root, [ 0, 2, 0 ] ),
  2483. 2,
  2484. new Position( root, [ 2, 5 ] ),
  2485. baseVersion
  2486. );
  2487. const transOp = transform( op, transformBy );
  2488. expect( transOp.length ).to.equal( 1 );
  2489. expected.position.offset = 0;
  2490. expectOperation( transOp[ 0 ], expected );
  2491. } );
  2492. } );
  2493. } );
  2494. describe( 'MarkerOperation', () => {
  2495. let oldRange, newRange;
  2496. beforeEach( () => {
  2497. oldRange = Range.createFromParentsAndOffsets( root, 1, root, 4 );
  2498. newRange = Range.createFromParentsAndOffsets( root, 10, root, 12 );
  2499. op = new MarkerOperation( 'name', oldRange, newRange, doc.markers, baseVersion );
  2500. expected = {
  2501. name: 'name',
  2502. oldRange,
  2503. newRange,
  2504. baseVersion: baseVersion + 1
  2505. };
  2506. } );
  2507. describe( 'by InsertOperation', () => {
  2508. it( 'insert position affecting oldRange: update oldRange', () => {
  2509. // Just CC things.
  2510. op.newRange = null;
  2511. const transformBy = new InsertOperation( Position.createAt( root, 0 ), [ nodeA, nodeB ], baseVersion );
  2512. const transOp = transform( op, transformBy );
  2513. expected.newRange = null;
  2514. expected.oldRange.start.offset = 3;
  2515. expected.oldRange.end.offset = 6;
  2516. expect( transOp.length ).to.equal( 1 );
  2517. expectOperation( transOp[ 0 ], expected );
  2518. } );
  2519. it( 'insert position affecting newRange: update newRange', () => {
  2520. // Just CC things.
  2521. op.oldRange = null;
  2522. const transformBy = new InsertOperation( Position.createAt( root, 8 ), [ nodeA, nodeB ], baseVersion );
  2523. const transOp = transform( op, transformBy );
  2524. expected.oldRange = null;
  2525. expected.newRange.start.offset = 12;
  2526. expected.newRange.end.offset = 14;
  2527. expect( transOp.length ).to.equal( 1 );
  2528. expectOperation( transOp[ 0 ], expected );
  2529. } );
  2530. } );
  2531. describe( 'by AttributeOperation', () => {
  2532. it( 'no operation update', () => {
  2533. const transformBy = new AttributeOperation(
  2534. new Range(
  2535. new Position( root, [ 2 ] ),
  2536. new Position( root, [ 11 ] )
  2537. ),
  2538. 'foo',
  2539. 'bar',
  2540. 'xyz',
  2541. baseVersion
  2542. );
  2543. const transOp = transform( op, transformBy );
  2544. expect( transOp.length ).to.equal( 1 );
  2545. expectOperation( transOp[ 0 ], expected );
  2546. } );
  2547. } );
  2548. describe( 'by MoveOperation', () => {
  2549. it( 'moved range is before oldRange: update oldRange', () => {
  2550. // Just CC things.
  2551. op.newRange = null;
  2552. const transformBy = new MoveOperation( Position.createAt( root, 0 ), 1, Position.createAt( root, 20 ), baseVersion );
  2553. const transOp = transform( op, transformBy );
  2554. expected.newRange = null;
  2555. expected.oldRange.start.offset = 0;
  2556. expected.oldRange.end.offset = 3;
  2557. expect( transOp.length ).to.equal( 1 );
  2558. expectOperation( transOp[ 0 ], expected );
  2559. } );
  2560. it( 'moved range contains oldRange and is before newRange: update oldRange and newRange', () => {
  2561. const transformBy = new MoveOperation( Position.createAt( root, 2 ), 2, Position.createAt( root, 20 ), baseVersion );
  2562. const transOp = transform( op, transformBy );
  2563. expected.oldRange.start.offset = 1;
  2564. expected.oldRange.end.offset = 2;
  2565. expected.newRange.start.offset = 8;
  2566. expected.newRange.end.offset = 10;
  2567. expect( transOp.length ).to.equal( 1 );
  2568. expectOperation( transOp[ 0 ], expected );
  2569. } );
  2570. it( 'target position is inside newRange: update newRange', () => {
  2571. // Just CC things.
  2572. op.oldRange = null;
  2573. const transformBy = new MoveOperation( Position.createAt( root, 20 ), 2, Position.createAt( root, 11 ), baseVersion );
  2574. const transOp = transform( op, transformBy );
  2575. expected.oldRange = null;
  2576. expected.newRange.start.offset = 10;
  2577. expected.newRange.end.offset = 14;
  2578. expect( transOp.length ).to.equal( 1 );
  2579. expectOperation( transOp[ 0 ], expected );
  2580. } );
  2581. it( 'target position is inside oldRange and before newRange: update oldRange and newRange', () => {
  2582. const transformBy = new MoveOperation( Position.createAt( root, 20 ), 4, Position.createAt( root, 2 ), baseVersion );
  2583. const transOp = transform( op, transformBy );
  2584. expected.oldRange.start.offset = 1;
  2585. expected.oldRange.end.offset = 8;
  2586. expected.newRange.start.offset = 14;
  2587. expected.newRange.end.offset = 16;
  2588. expect( transOp.length ).to.equal( 1 );
  2589. expectOperation( transOp[ 0 ], expected );
  2590. } );
  2591. } );
  2592. describe( 'by RootAttributeOperation', () => {
  2593. it( 'no operation update', () => {
  2594. const transformBy = new RootAttributeOperation(
  2595. root,
  2596. 'foo',
  2597. null,
  2598. 'bar',
  2599. baseVersion
  2600. );
  2601. const transOp = transform( op, transformBy );
  2602. expect( transOp.length ).to.equal( 1 );
  2603. expectOperation( transOp[ 0 ], expected );
  2604. } );
  2605. } );
  2606. describe( 'by RenameOperation', () => {
  2607. it( 'no operation update', () => {
  2608. const transformBy = new RenameOperation( new Position( root, [ 1 ] ), 'oldName', 'newName', baseVersion );
  2609. const transOp = transform( op, transformBy );
  2610. expect( transOp.length ).to.equal( 1 );
  2611. expectOperation( transOp[ 0 ], expected );
  2612. } );
  2613. } );
  2614. describe( 'by MarkerOperation', () => {
  2615. it( 'different marker name: no operation update', () => {
  2616. const transformBy = new MarkerOperation( 'otherName', oldRange, newRange, doc.markers, baseVersion );
  2617. const transOp = transform( op, transformBy );
  2618. expect( transOp.length ).to.equal( 1 );
  2619. expectOperation( transOp[ 0 ], expected );
  2620. } );
  2621. it( 'same marker name and is important: convert to NoOperation', () => {
  2622. const anotherRange = Range.createFromParentsAndOffsets( root, 2, root, 2 );
  2623. const transformBy = new MarkerOperation( 'name', oldRange, anotherRange, doc.markers, baseVersion );
  2624. const transOp = transform( op, transformBy );
  2625. expect( transOp.length ).to.equal( 1 );
  2626. expectOperation( transOp[ 0 ], {
  2627. type: NoOperation,
  2628. baseVersion: baseVersion + 1
  2629. } );
  2630. } );
  2631. it( 'same marker name and is less important: update oldRange parameter', () => {
  2632. const anotherRange = Range.createFromParentsAndOffsets( root, 2, root, 2 );
  2633. const transformBy = new MarkerOperation( 'name', oldRange, anotherRange, doc.markers, baseVersion );
  2634. const transOp = transform( op, transformBy, true );
  2635. expected.oldRange = anotherRange;
  2636. expect( transOp.length ).to.equal( 1 );
  2637. expectOperation( transOp[ 0 ], expected );
  2638. } );
  2639. } );
  2640. } );
  2641. } );