base64uploadadapter.js 4.3 KB

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  1. /**
  2. * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
  4. */
  5. /* globals window, setTimeout */
  6. import Base64UploadAdapter from '../src/base64uploadadapter';
  7. import FileRepository from '../src/filerepository';
  8. import ClassicTestEditor from '@ckeditor/ckeditor5-core/tests/_utils/classictesteditor';
  9. import testUtils from '@ckeditor/ckeditor5-core/tests/_utils/utils';
  10. const createNativeFileMock = () => ( {
  11. type: 'image/jpeg',
  12. size: 1024
  13. } );
  14. describe( 'Base64UploadAdapter', () => {
  15. let div, stubs;
  16. testUtils.createSinonSandbox();
  17. beforeEach( () => {
  18. div = window.document.createElement( 'div' );
  19. window.document.body.appendChild( div );
  20. stubs = {
  21. addEventListener( event, callback ) {
  22. stubs[ `on${ event }` ] = callback;
  23. },
  24. readAsDataURL: testUtils.sinon.spy(),
  25. abort: testUtils.sinon.spy(),
  26. result: 'data:image/png;base64'
  27. };
  28. testUtils.sinon.stub( window, 'FileReader' ).callsFake( function FileReader() {
  29. return stubs;
  30. } );
  31. } );
  32. afterEach( () => {
  33. window.document.body.removeChild( div );
  34. } );
  35. it( 'should require FileRepository plugin', () => {
  36. expect( Base64UploadAdapter.requires ).to.deep.equal( [ FileRepository ] );
  37. } );
  38. it( 'should be named', () => {
  39. expect( Base64UploadAdapter.pluginName ).to.equal( 'Base64UploadAdapter' );
  40. } );
  41. describe( 'init()', () => {
  42. it( 'should set loader', () => {
  43. return ClassicTestEditor
  44. .create( div, {
  45. plugins: [ Base64UploadAdapter ],
  46. } )
  47. .then( editor => {
  48. expect( editor.plugins.get( FileRepository ).createUploadAdapter ).is.a( 'function' );
  49. return editor.destroy();
  50. } );
  51. } );
  52. } );
  53. describe( 'Adapter', () => {
  54. let editor, fileRepository;
  55. beforeEach( () => {
  56. return ClassicTestEditor.create( div, {
  57. plugins: [ Base64UploadAdapter ],
  58. } ).then( _editor => {
  59. editor = _editor;
  60. fileRepository = editor.plugins.get( FileRepository );
  61. } );
  62. } );
  63. afterEach( () => {
  64. return editor.destroy();
  65. } );
  66. describe( 'upload()', () => {
  67. it( 'returns a promise that resolves an image as base64 string', () => {
  68. const loader = fileRepository.createLoader( createNativeFileMock() );
  69. setTimeout( () => {
  70. // FileReader has loaded the file.
  71. stubs.onload();
  72. } );
  73. return loader.upload()
  74. .then( response => {
  75. expect( response.default ).to.equal( 'data:image/png;base64' );
  76. expect( stubs.readAsDataURL.calledOnce ).to.equal( true );
  77. } );
  78. } );
  79. it( 'returns a promise that rejects if something went wrong', () => {
  80. const loader = fileRepository.createLoader( createNativeFileMock() );
  81. const uploadError = new Error( 'Something went wrong.' );
  82. setTimeout( () => {
  83. // An error occurred while FileReader was reading the file.
  84. stubs.onerror( uploadError );
  85. } );
  86. return loader.upload()
  87. .then(
  88. () => {
  89. return new Error( 'Supposed to be rejected.' );
  90. },
  91. err => {
  92. expect( err ).to.equal( uploadError );
  93. expect( stubs.readAsDataURL.calledOnce ).to.equal( true );
  94. }
  95. );
  96. } );
  97. it( 'returns a promise that rejects if FileReader aborted reading a file', () => {
  98. const loader = fileRepository.createLoader( createNativeFileMock() );
  99. setTimeout( () => {
  100. // FileReader aborted reading the file.
  101. stubs.onabort();
  102. } );
  103. return loader.upload()
  104. .then(
  105. () => {
  106. return new Error( 'Supposed to be rejected.' );
  107. },
  108. () => {
  109. expect( stubs.readAsDataURL.calledOnce ).to.equal( true );
  110. }
  111. );
  112. } );
  113. } );
  114. describe( 'abort()', () => {
  115. it( 'should not call abort on the non-existing FileReader uploader (`loader.file` not resolved)', () => {
  116. const loader = fileRepository.createLoader( createNativeFileMock() );
  117. expect( () => {
  118. loader.upload();
  119. loader.abort();
  120. } ).to.not.throw();
  121. expect( stubs.abort.called ).to.equal( false );
  122. } );
  123. it( 'should call abort on the FileReader uploader (`loader.file` resolved)', done => {
  124. const loader = fileRepository.createLoader( createNativeFileMock() );
  125. loader.upload();
  126. // Wait for the `loader.file` promise.
  127. setTimeout( () => {
  128. loader.abort();
  129. expect( stubs.abort.called ).to.equal( true );
  130. done();
  131. } );
  132. } );
  133. } );
  134. } );
  135. } );