filerepository.js 22 KB

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  1. /**
  2. * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* globals window */
  6. import VirtualTestEditor from '@ckeditor/ckeditor5-core/tests/_utils/virtualtesteditor';
  7. import Plugin from '@ckeditor/ckeditor5-core/src/plugin';
  8. import PendingActions from '@ckeditor/ckeditor5-core/src/pendingactions';
  9. import FileRepository from '../src/filerepository';
  10. import Collection from '@ckeditor/ckeditor5-utils/src/collection';
  11. import { createNativeFileMock, UploadAdapterMock, NativeFileReaderMock } from './_utils/mocks';
  12. import log from '@ckeditor/ckeditor5-utils/src/log';
  13. import testUtils from '@ckeditor/ckeditor5-core/tests/_utils/utils';
  14. import FileReader from '../src/filereader';
  15. describe( 'FileRepository', () => {
  16. let editor, fileRepository, adapterMock;
  17. testUtils.createSinonSandbox();
  18. class UploadAdapterPluginMock extends Plugin {
  19. init() {
  20. fileRepository = this.editor.plugins.get( 'FileRepository' );
  21. fileRepository.createUploadAdapter = loader => {
  22. adapterMock = new UploadAdapterMock( loader );
  23. return adapterMock;
  24. };
  25. }
  26. }
  27. beforeEach( () => {
  28. return VirtualTestEditor
  29. .create( {
  30. plugins: [ FileRepository, UploadAdapterPluginMock ]
  31. } )
  32. .then( newEditor => {
  33. editor = newEditor;
  34. } );
  35. } );
  36. afterEach( () => {
  37. return editor.destroy();
  38. } );
  39. it( 'should be initialized', () => {
  40. expect( fileRepository ).to.be.instanceOf( FileRepository );
  41. } );
  42. describe( 'init()', () => {
  43. it( 'should create loaders collection', () => {
  44. expect( fileRepository.loaders ).to.be.instanceOf( Collection );
  45. } );
  46. it( 'should initialize uploaded observable', done => {
  47. expect( fileRepository.uploaded ).to.equal( 0 );
  48. fileRepository.on( 'change:uploaded', ( evt, name, value ) => {
  49. expect( value ).to.equal( 10 );
  50. done();
  51. } );
  52. fileRepository.uploaded = 10;
  53. } );
  54. it( 'should initialize uploadTotal', done => {
  55. expect( fileRepository.uploadTotal ).to.be.null;
  56. fileRepository.on( 'change:uploadTotal', ( evt, name, value ) => {
  57. expect( value ).to.equal( 10 );
  58. done();
  59. } );
  60. fileRepository.uploadTotal = 10;
  61. } );
  62. it( 'should initialize uploadedPercent', done => {
  63. expect( fileRepository.uploadedPercent ).to.equal( 0 );
  64. fileRepository.on( 'change:uploadedPercent', ( evt, name, value ) => {
  65. expect( value ).to.equal( 20 );
  66. done();
  67. } );
  68. fileRepository.uploadTotal = 200;
  69. fileRepository.uploaded = 40;
  70. } );
  71. } );
  72. describe( 'pending actions', () => {
  73. let pendingActions;
  74. beforeEach( () => {
  75. pendingActions = editor.plugins.get( PendingActions );
  76. } );
  77. it( 'should requires PendingActions plugin', () => {
  78. expect( editor.plugins.get( PendingActions ) ).to.instanceof( PendingActions );
  79. } );
  80. it( 'should add pending action when upload is in progress', () => {
  81. expect( pendingActions ).to.have.property( 'hasAny', false );
  82. expect( Array.from( pendingActions ) ).to.length( 0 );
  83. fileRepository.createLoader( createNativeFileMock() );
  84. expect( pendingActions ).to.have.property( 'hasAny', true );
  85. expect( Array.from( pendingActions, action => action.message ) ).to.have.members( [ 'Upload in progress 0%.' ] );
  86. } );
  87. it( 'should add only one pending action in a case of multiple load', () => {
  88. fileRepository.createLoader( createNativeFileMock() );
  89. fileRepository.createLoader( createNativeFileMock() );
  90. fileRepository.createLoader( createNativeFileMock() );
  91. expect( Array.from( pendingActions ) ).to.length( 1 );
  92. } );
  93. it( 'should remove pending action when all uploads are finished', () => {
  94. expect( pendingActions ).to.have.property( 'hasAny', false );
  95. expect( Array.from( pendingActions ) ).to.length( 0 );
  96. const loader1 = fileRepository.createLoader( createNativeFileMock() );
  97. const loader2 = fileRepository.createLoader( createNativeFileMock() );
  98. expect( pendingActions ).to.have.property( 'hasAny', true );
  99. expect( Array.from( pendingActions, action => action.message ) ).to.have.members( [ 'Upload in progress 0%.' ] );
  100. fileRepository.destroyLoader( loader1 );
  101. expect( pendingActions ).to.have.property( 'hasAny', true );
  102. expect( Array.from( pendingActions, action => action.message ) ).to.have.members( [ 'Upload in progress 0%.' ] );
  103. fileRepository.destroyLoader( loader2 );
  104. expect( pendingActions ).to.have.property( 'hasAny', false );
  105. expect( Array.from( pendingActions ) ).to.length( 0 );
  106. } );
  107. it( 'should bind pending action message to upload percentage value', () => {
  108. fileRepository.createLoader( createNativeFileMock() );
  109. fileRepository.uploadedPercent = 10.345;
  110. expect( Array.from( pendingActions )[ 0 ] ).to.have.property( 'message', 'Upload in progress 10%.' );
  111. fileRepository.uploadedPercent = 30.235;
  112. expect( Array.from( pendingActions )[ 0 ] ).to.have.property( 'message', 'Upload in progress 30%.' );
  113. } );
  114. it( 'should add pending action correctly when one upload is after another', () => {
  115. const loader1 = fileRepository.createLoader( createNativeFileMock() );
  116. expect( pendingActions.first ).to.have.property( 'message', 'Upload in progress 0%.' );
  117. fileRepository.destroyLoader( loader1 );
  118. expect( pendingActions.first ).to.null;
  119. fileRepository.createLoader( createNativeFileMock() );
  120. expect( pendingActions.first ).to.have.property( 'message', 'Upload in progress 0%.' );
  121. } );
  122. } );
  123. describe( 'createLoader()', () => {
  124. it( 'should return null if adapter is not present', () => {
  125. const stub = testUtils.sinon.stub( log, 'error' );
  126. fileRepository.createUploadAdapter = undefined;
  127. expect( fileRepository.createLoader( createNativeFileMock() ) ).to.be.null;
  128. sinon.assert.calledOnce( stub );
  129. sinon.assert.calledWithExactly(
  130. stub,
  131. 'filerepository-no-upload-adapter: Upload adapter is not defined.'
  132. );
  133. } );
  134. it( 'should setup listeners to update progress observables', () => {
  135. const loader1 = fileRepository.createLoader( createNativeFileMock() );
  136. const loader2 = fileRepository.createLoader( createNativeFileMock() );
  137. const loader3 = fileRepository.createLoader( createNativeFileMock() );
  138. loader1.uploaded = 10;
  139. loader1.uploadTotal = 100;
  140. loader2.uploaded = 50;
  141. loader2.uploadTotal = 200;
  142. loader3.uploaded = 40;
  143. loader3.uploadTotal = 200;
  144. expect( fileRepository.uploaded ).to.equal( 100 );
  145. expect( fileRepository.uploadTotal ).to.equal( 500 );
  146. expect( fileRepository.uploadedPercent ).to.equal( 20 );
  147. } );
  148. } );
  149. describe( 'getLoader()', () => {
  150. it( 'should return null if loader does not exists', () => {
  151. const file1 = createNativeFileMock();
  152. const file2 = createNativeFileMock();
  153. fileRepository.createLoader( file2 );
  154. expect( fileRepository.getLoader( file1 ) ).to.be.null;
  155. } );
  156. it( 'should return loader by file instance (initialized with file)', () => {
  157. const file = createNativeFileMock();
  158. const loader = fileRepository.createLoader( file );
  159. expect( fileRepository.getLoader( file ) ).to.equal( loader );
  160. } );
  161. it( 'should return loader by promise instance (initialized with promise)', () => {
  162. const promise = new Promise( resolve => resolve( createNativeFileMock() ) );
  163. const loader = fileRepository.createLoader( promise );
  164. expect( fileRepository.getLoader( promise ) ).to.equal( loader );
  165. } );
  166. it( 'should return loader by file instance (initialized with promise)', done => {
  167. const promise = new Promise( resolve => resolve( createNativeFileMock() ) );
  168. const loader = fileRepository.createLoader( promise );
  169. loader.file.then( fileInstance => {
  170. expect( fileRepository.getLoader( fileInstance ) ).to.equal( loader );
  171. done();
  172. } );
  173. } );
  174. } );
  175. describe( 'destroyLoader()', () => {
  176. let file, loader, destroySpy;
  177. beforeEach( () => {
  178. file = createNativeFileMock();
  179. loader = fileRepository.createLoader( file );
  180. destroySpy = testUtils.sinon.spy( loader, '_destroy' );
  181. } );
  182. it( 'should destroy provided loader', () => {
  183. fileRepository.destroyLoader( loader );
  184. sinon.assert.calledOnce( destroySpy );
  185. expect( fileRepository.getLoader( file ) ).to.be.null;
  186. expect( fileRepository.loaders.length ).to.equal( 0 );
  187. expect( Array.from( fileRepository._loadersMap.keys ).length ).to.equal( 0 );
  188. } );
  189. it( 'should destroy loader by provided file (initialized with file)', () => {
  190. fileRepository.destroyLoader( file );
  191. sinon.assert.calledOnce( destroySpy );
  192. expect( fileRepository.getLoader( file ) ).to.be.null;
  193. expect( fileRepository.loaders.length ).to.equal( 0 );
  194. expect( Array.from( fileRepository._loadersMap.keys ).length ).to.equal( 0 );
  195. } );
  196. it( 'should destroy loader by provided promise (initialized with promise)', () => {
  197. fileRepository.destroyLoader( loader );
  198. const promise = new Promise( resolve => resolve( createNativeFileMock() ) );
  199. const newLoader = fileRepository.createLoader( promise );
  200. destroySpy = testUtils.sinon.spy( newLoader, '_destroy' );
  201. fileRepository.destroyLoader( promise );
  202. sinon.assert.calledOnce( destroySpy );
  203. expect( fileRepository.getLoader( promise ) ).to.be.null;
  204. expect( fileRepository.loaders.length ).to.equal( 0 );
  205. expect( Array.from( fileRepository._loadersMap.keys() ).length ).to.equal( 0 );
  206. } );
  207. it( 'should destroy loader by provided file (initialized with promise)', done => {
  208. fileRepository.destroyLoader( loader );
  209. const promise = new Promise( resolve => resolve( createNativeFileMock() ) );
  210. const newLoader = fileRepository.createLoader( promise );
  211. destroySpy = testUtils.sinon.spy( newLoader, '_destroy' );
  212. newLoader.file.then( fileInstance => {
  213. tryExpect( done, () => {
  214. expect( fileRepository.loaders.length ).to.equal( 1 );
  215. expect( Array.from( fileRepository._loadersMap.keys() ).length ).to.equal( 2 );
  216. fileRepository.destroyLoader( fileInstance );
  217. sinon.assert.calledOnce( destroySpy );
  218. expect( fileRepository.getLoader( fileInstance ) ).to.be.null;
  219. expect( fileRepository.loaders.length ).to.equal( 0 );
  220. expect( Array.from( fileRepository._loadersMap.keys() ).length ).to.equal( 0 );
  221. } );
  222. } );
  223. } );
  224. } );
  225. describe( 'Loader', () => {
  226. let loader, file, nativeReaderMock;
  227. beforeEach( () => {
  228. testUtils.sinon.stub( window, 'FileReader' ).callsFake( () => {
  229. nativeReaderMock = new NativeFileReaderMock();
  230. return nativeReaderMock;
  231. } );
  232. file = createNativeFileMock();
  233. loader = fileRepository.createLoader( file );
  234. } );
  235. describe( 'constructor()', () => {
  236. it( 'should initialize id', () => {
  237. expect( loader.id ).to.be.a( 'string' );
  238. } );
  239. it( 'should initialize filePromiseWrapper', () => {
  240. expect( loader._filePromiseWrapper ).to.not.be.null;
  241. expect( loader._filePromiseWrapper.promise ).to.be.instanceOf( Promise );
  242. expect( loader._filePromiseWrapper.resolver ).to.be.instanceOf( Function );
  243. expect( loader._filePromiseWrapper.rejecter ).to.be.instanceOf( Function );
  244. expect( loader._filePromiseWrapper.isFulfilled ).to.be.false;
  245. } );
  246. it( 'should initialize adapter', () => {
  247. expect( loader._adapter ).to.equal( adapterMock );
  248. } );
  249. it( 'should initialize reader', () => {
  250. expect( loader._reader ).to.be.instanceOf( FileReader );
  251. } );
  252. it( 'should initialize status observable', done => {
  253. expect( loader.status ).to.equal( 'idle' );
  254. loader.on( 'change:status', ( evt, name, value ) => {
  255. expect( value ).to.equal( 'uploading' );
  256. done();
  257. } );
  258. loader.status = 'uploading';
  259. } );
  260. it( 'should initialize uploaded observable', done => {
  261. expect( loader.uploaded ).to.equal( 0 );
  262. loader.on( 'change:uploaded', ( evt, name, value ) => {
  263. expect( value ).to.equal( 100 );
  264. done();
  265. } );
  266. loader.uploaded = 100;
  267. } );
  268. it( 'should initialize uploadTotal observable', done => {
  269. expect( loader.uploadTotal ).to.equal( null );
  270. loader.on( 'change:uploadTotal', ( evt, name, value ) => {
  271. expect( value ).to.equal( 100 );
  272. done();
  273. } );
  274. loader.uploadTotal = 100;
  275. } );
  276. it( 'should initialize uploadedPercent observable', done => {
  277. expect( loader.uploadedPercent ).to.equal( 0 );
  278. loader.on( 'change:uploadedPercent', ( evt, name, value ) => {
  279. expect( value ).to.equal( 23 );
  280. done();
  281. } );
  282. loader.uploaded = 23;
  283. loader.uploadTotal = 100;
  284. } );
  285. it( 'should initialize uploadResponse observable', done => {
  286. const response = {};
  287. expect( loader.uploadResponse ).to.equal( null );
  288. loader.on( 'change:uploadResponse', ( evt, name, value ) => {
  289. expect( value ).to.equal( response );
  290. done();
  291. } );
  292. loader.uploadResponse = response;
  293. } );
  294. } );
  295. describe( 'file getter', () => {
  296. it( 'should return promise', () => {
  297. expect( loader.file ).to.instanceof( Promise );
  298. } );
  299. it( 'should return promise which resolves to a file', done => {
  300. loader.file.then( fileInstance => {
  301. tryExpect( done, () => {
  302. expect( fileInstance ).to.equal( file );
  303. } );
  304. } );
  305. } );
  306. it( 'should return promise which resolves to null after loader is destroyed (destroy before)', done => {
  307. loader._destroy();
  308. loader.file.then( fileInstance => {
  309. tryExpect( done, () => {
  310. expect( fileInstance ).to.be.null;
  311. } );
  312. } );
  313. } );
  314. it( 'should return promise which resolves to null after loader is destroyed (destroy after)', done => {
  315. loader.file.then( fileInstance => {
  316. tryExpect( done, () => {
  317. expect( fileInstance ).to.be.null;
  318. } );
  319. } );
  320. loader._destroy();
  321. } );
  322. it( 'should return promise which resolves to null after loader is destroyed (file promise resolved, destroy after)', done => {
  323. loader._filePromiseWrapper.promise.then( () => {
  324. loader.file.then( fileInstance => {
  325. tryExpect( done, () => {
  326. expect( fileInstance ).to.be.null;
  327. } );
  328. } );
  329. loader._destroy();
  330. } );
  331. } );
  332. } );
  333. describe( 'read()', () => {
  334. it( 'should throw error when status is different than idle', () => {
  335. loader.status = 'uploading';
  336. expect( () => {
  337. loader.read();
  338. } ).to.throw( 'filerepository-read-wrong-status: You cannot call read if the status is different than idle.' );
  339. } );
  340. it( 'should return a promise', () => {
  341. expect( loader.read() ).to.be.instanceof( Promise );
  342. } );
  343. it( 'should set status to "reading"', () => {
  344. loader.read();
  345. expect( loader.status ).to.equal( 'reading' );
  346. } );
  347. it( 'should resolve promise when file promise is resolved', done => {
  348. let resolveFile = null;
  349. const filePromise = new Promise( resolve => {
  350. resolveFile = resolve;
  351. } );
  352. const loader = fileRepository.createLoader( filePromise );
  353. loader.read()
  354. .then( data => {
  355. tryExpect( done, () => {
  356. expect( data ).to.equal( 'result data' );
  357. expect( loader.status ).to.equal( 'idle' );
  358. } );
  359. } );
  360. resolveFile( createNativeFileMock() );
  361. loader.file.then( () => nativeReaderMock.mockSuccess( 'result data' ) );
  362. } );
  363. it( 'should reject promise when file promise is rejected', done => {
  364. let rejectFile = null;
  365. const filePromise = new Promise( ( resolve, reject ) => {
  366. rejectFile = reject;
  367. } );
  368. const loader = fileRepository.createLoader( filePromise );
  369. loader.read().catch( e => {
  370. tryExpect( done, () => {
  371. expect( e ).to.equal( 'File loading error' );
  372. expect( loader.status ).to.equal( 'error' );
  373. } );
  374. } );
  375. rejectFile( 'File loading error' );
  376. } );
  377. it( 'should reject promise when reading is aborted (before file promise is resolved)', () => {
  378. const promise = loader.read().catch( e => {
  379. expect( e ).to.equal( 'aborted' );
  380. expect( loader.status ).to.equal( 'aborted' );
  381. } );
  382. loader.abort();
  383. return promise;
  384. } );
  385. it( 'should reject promise when reading is aborted (after file promise is resolved)', done => {
  386. loader.read().catch( e => {
  387. tryExpect( done, () => {
  388. expect( e ).to.equal( 'aborted' );
  389. expect( loader.status ).to.equal( 'aborted' );
  390. } );
  391. } );
  392. loader.file.then( () => loader.abort() );
  393. } );
  394. it( 'should reject promise on reading error (after file promise is resolved)', done => {
  395. loader.read().catch( e => {
  396. tryExpect( done, () => {
  397. expect( e ).to.equal( 'reading error' );
  398. expect( loader.status ).to.equal( 'error' );
  399. } );
  400. } );
  401. loader.file.then( () => nativeReaderMock.mockError( 'reading error' ) );
  402. } );
  403. it( 'should resolve promise on reading complete (after file promise is resolved)', done => {
  404. loader.read()
  405. .then( data => {
  406. tryExpect( done, () => {
  407. expect( data ).to.equal( 'result data' );
  408. expect( loader.status ).to.equal( 'idle' );
  409. } );
  410. } );
  411. loader.file.then( () => nativeReaderMock.mockSuccess( 'result data' ) );
  412. } );
  413. } );
  414. describe( 'upload()', () => {
  415. it( 'should throw error when status is different than idle', () => {
  416. loader.status = 'reading';
  417. expect( () => {
  418. loader.upload();
  419. } ).to.throw( 'filerepository-upload-wrong-status: You cannot call upload if the status is different than idle.' );
  420. } );
  421. it( 'should return a promise', () => {
  422. expect( loader.upload() ).to.be.instanceof( Promise );
  423. } );
  424. it( 'should set status to "uploading"', () => {
  425. loader.upload();
  426. expect( loader.status ).to.equal( 'uploading' );
  427. } );
  428. it( 'should resolve promise when file promise is resolved', done => {
  429. let resolveFile = null;
  430. const filePromise = new Promise( resolve => {
  431. resolveFile = resolve;
  432. } );
  433. const loader = fileRepository.createLoader( filePromise );
  434. loader.upload()
  435. .then( data => {
  436. tryExpect( done, () => {
  437. expect( data ).to.equal( 'result data' );
  438. expect( loader.status ).to.equal( 'idle' );
  439. } );
  440. } );
  441. resolveFile( createNativeFileMock() );
  442. loader.file.then( () => adapterMock.mockSuccess( 'result data' ) );
  443. } );
  444. it( 'should reject promise when file promise is rejected', done => {
  445. let rejectFile = null;
  446. const filePromise = new Promise( ( resolve, reject ) => {
  447. rejectFile = reject;
  448. } );
  449. const loader = fileRepository.createLoader( filePromise );
  450. loader.upload().catch( e => {
  451. tryExpect( done, () => {
  452. expect( e ).to.equal( 'File loading error' );
  453. expect( loader.status ).to.equal( 'error' );
  454. } );
  455. } );
  456. rejectFile( 'File loading error' );
  457. } );
  458. it( 'should reject promise when uploading is aborted (before file promise is resolved)', () => {
  459. const promise = loader.upload().catch( e => {
  460. expect( e ).to.equal( 'aborted' );
  461. expect( loader.status ).to.equal( 'aborted' );
  462. } );
  463. loader.abort();
  464. return promise;
  465. } );
  466. it( 'should reject promise when uploading is aborted (after file promise is resolved)', done => {
  467. loader.upload().catch( e => {
  468. tryExpect( done, () => {
  469. expect( e ).to.equal( 'aborted' );
  470. expect( loader.status ).to.equal( 'aborted' );
  471. } );
  472. } );
  473. loader.file.then( () => loader.abort() );
  474. } );
  475. it( 'should reject promise on reading error (after file promise is resolved)', done => {
  476. loader.upload().catch( e => {
  477. tryExpect( done, () => {
  478. expect( e ).to.equal( 'uploading error' );
  479. expect( loader.status ).to.equal( 'error' );
  480. } );
  481. } );
  482. loader.file.then( () => adapterMock.mockError( 'uploading error' ) );
  483. } );
  484. it( 'should resolve promise on reading complete (after file promise is resolved)', done => {
  485. loader.upload()
  486. .then( data => {
  487. tryExpect( done, () => {
  488. expect( data ).to.equal( 'result data' );
  489. expect( loader.status ).to.equal( 'idle' );
  490. } );
  491. } );
  492. loader.file.then( () => adapterMock.mockSuccess( 'result data' ) );
  493. } );
  494. it( 'should monitor upload progress', done => {
  495. loader.upload()
  496. .then( data => {
  497. tryExpect( done, () => {
  498. expect( data ).to.equal( 'result data' );
  499. expect( loader.status ).to.equal( 'idle' );
  500. } );
  501. } );
  502. loader.file.then( () => {
  503. expect( loader.uploaded ).to.equal( 0 );
  504. expect( loader.uploadTotal ).to.be.null;
  505. adapterMock.mockProgress( 1, 10 );
  506. expect( loader.uploaded ).to.equal( 1 );
  507. expect( loader.uploadTotal ).to.equal( 10 );
  508. adapterMock.mockProgress( 6, 10 );
  509. expect( loader.uploaded ).to.equal( 6 );
  510. expect( loader.uploadTotal ).to.equal( 10 );
  511. adapterMock.mockSuccess( 'result data' );
  512. } );
  513. } );
  514. } );
  515. describe( 'abort()', () => {
  516. let filePromiseRejecterSpy, readerAbortSpy, adapterAbortSpy;
  517. beforeEach( () => {
  518. filePromiseRejecterSpy = testUtils.sinon.spy( loader._filePromiseWrapper, 'rejecter' );
  519. readerAbortSpy = testUtils.sinon.spy( loader._reader, 'abort' );
  520. adapterAbortSpy = testUtils.sinon.spy( loader._adapter, 'abort' );
  521. } );
  522. it( 'should abort correctly before read/upload is called', () => {
  523. loader.abort();
  524. expect( filePromiseRejecterSpy.callCount ).to.equal( 1 );
  525. expect( readerAbortSpy.callCount ).to.equal( 0 );
  526. expect( adapterAbortSpy.callCount ).to.equal( 0 );
  527. } );
  528. it( 'should abort correctly after successful read', done => {
  529. loader.read()
  530. .then( data => {
  531. tryExpect( done, () => {
  532. expect( data ).to.equal( 'result data' );
  533. expect( loader.status ).to.equal( 'idle' );
  534. loader.abort();
  535. expect( filePromiseRejecterSpy.callCount ).to.equal( 0 );
  536. expect( readerAbortSpy.callCount ).to.equal( 0 );
  537. expect( adapterAbortSpy.callCount ).to.equal( 0 );
  538. } );
  539. } );
  540. loader.file.then( () => nativeReaderMock.mockSuccess( 'result data' ) );
  541. } );
  542. it( 'should abort correctly after successful upload', done => {
  543. loader.upload()
  544. .then( data => {
  545. tryExpect( done, () => {
  546. expect( data ).to.equal( 'result data' );
  547. expect( loader.status ).to.equal( 'idle' );
  548. loader.abort();
  549. expect( filePromiseRejecterSpy.callCount ).to.equal( 0 );
  550. expect( readerAbortSpy.callCount ).to.equal( 0 );
  551. expect( adapterAbortSpy.callCount ).to.equal( 0 );
  552. } );
  553. } );
  554. loader.file.then( () => adapterMock.mockSuccess( 'result data' ) );
  555. } );
  556. } );
  557. } );
  558. } );
  559. // When `expect` is called inside `Promise.then` any errors are usually caught by the `Promise.catch` (from the tested code)
  560. // and are not correctly propagated to the testing framework. Call `done()` with encountered error so it is displayed correctly.
  561. function tryExpect( doneFn, expectFn ) {
  562. try {
  563. expectFn();
  564. doneFn();
  565. } catch ( err ) {
  566. doneFn( err );
  567. }
  568. }