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@@ -3,7 +3,7 @@
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* For licensing, see LICENSE.md.
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*/
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-/* globals window, setTimeout */
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+/* globals window, setTimeout, atob, URL, Blob */
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import VirtualTestEditor from '@ckeditor/ckeditor5-core/tests/_utils/virtualtesteditor';
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@@ -30,7 +30,9 @@ import Notification from '@ckeditor/ckeditor5-ui/src/notification/notification';
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describe( 'ImageUploadEditing', () => {
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// eslint-disable-next-line max-len
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const base64Sample = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A8AAQUBAScY42YAAAAASUVORK5CYII=';
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- let editor, model, view, doc, fileRepository, viewDocument, nativeReaderMock, loader, adapterMock, uploadStartedCallback;
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+
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+ let adapterMocks = [];
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+ let editor, model, view, doc, fileRepository, viewDocument, nativeReaderMock, loader;
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testUtils.createSinonSandbox();
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@@ -39,11 +41,9 @@ describe( 'ImageUploadEditing', () => {
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fileRepository = this.editor.plugins.get( FileRepository );
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fileRepository.createUploadAdapter = newLoader => {
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loader = newLoader;
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- adapterMock = new UploadAdapterMock( loader );
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+ const adapterMock = new UploadAdapterMock( loader );
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- if ( uploadStartedCallback ) {
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- adapterMock.uploadStartedCallback = uploadStartedCallback;
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- }
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+ adapterMocks.push( adapterMock );
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return adapterMock;
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};
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@@ -68,7 +68,7 @@ describe( 'ImageUploadEditing', () => {
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return VirtualTestEditor
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.create( {
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- plugins: [ ImageEditing, ImageUploadEditing, Paragraph, UndoEditing, UploadAdapterPluginMock ]
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+ plugins: [ ImageEditing, ImageUploadEditing, Paragraph, UndoEditing, UploadAdapterPluginMock, Clipboard ]
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} )
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.then( newEditor => {
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editor = newEditor;
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@@ -76,12 +76,14 @@ describe( 'ImageUploadEditing', () => {
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doc = model.document;
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view = editor.editing.view;
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viewDocument = view.document;
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+
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+ // Stub `view.scrollToTheSelection` as it will fail on VirtualTestEditor without DOM.
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+ testUtils.sinon.stub( view, 'scrollToTheSelection' ).callsFake( () => {} );
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} );
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} );
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afterEach( () => {
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- adapterMock = null;
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- uploadStartedCallback = null;
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+ adapterMocks = [];
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return editor.destroy();
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} );
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@@ -198,7 +200,11 @@ describe( 'ImageUploadEditing', () => {
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type: 'media/mp3',
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size: 1024
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};
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- const dataTransfer = new DataTransfer( { files: [ fileMock ], types: [ 'Files' ] } );
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+ const dataTransfer = new DataTransfer( {
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+ files: [ fileMock ],
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+ types: [ 'Files' ],
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+ getData: () => ''
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+ } );
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setModelData( model, '<paragraph>foo[]</paragraph>' );
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@@ -224,7 +230,7 @@ describe( 'ImageUploadEditing', () => {
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viewDocument.fire( 'clipboardInput', { dataTransfer, targetRanges: [ targetViewRange ] } );
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- expect( getModelData( model ) ).to.equal( '<paragraph>[]foo</paragraph>' );
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+ expect( getModelData( model ) ).to.equal( '<paragraph>SomeData[]foo</paragraph>' );
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} );
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it( 'should not insert image nor crash when pasted image could not be inserted', () => {
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@@ -288,7 +294,7 @@ describe( 'ImageUploadEditing', () => {
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viewDocument.fire( 'clipboardInput', { dataTransfer, targetRanges: [ targetViewRange ] } );
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// Well, there's no clipboard plugin, so nothing happens.
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- expect( getModelData( model ) ).to.equal( '<paragraph>[]foo</paragraph>' );
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+ expect( getModelData( model ) ).to.equal( '<paragraph>SomeData[]foo</paragraph>' );
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} );
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it( 'should not convert image\'s uploadId attribute if is consumed already', () => {
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@@ -339,7 +345,7 @@ describe( 'ImageUploadEditing', () => {
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done();
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}, { priority: 'lowest' } );
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- adapterMock.mockSuccess( { default: 'image.png' } );
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+ adapterMocks[ 0 ].mockSuccess( { default: 'image.png' } );
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} );
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nativeReaderMock.mockSuccess( base64Sample );
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@@ -546,7 +552,7 @@ describe( 'ImageUploadEditing', () => {
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done();
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}, { priority: 'lowest' } );
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- adapterMock.mockSuccess( { default: 'image.png', 500: 'image-500.png', 800: 'image-800.png' } );
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+ adapterMocks[ 0 ].mockSuccess( { default: 'image.png', 500: 'image-500.png', 800: 'image-800.png' } );
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} );
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nativeReaderMock.mockSuccess( base64Sample );
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@@ -562,233 +568,289 @@ describe( 'ImageUploadEditing', () => {
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expect( spy.calledOnce ).to.equal( true );
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} );
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- it( 'should upload image inserted with base64 data', done => {
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- setModelData( model, '<paragraph>[]foo</paragraph>' );
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+ it( 'should upload image with base64 src', done => {
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+ editor.plugins.get( 'Clipboard' ).on( 'inputTransformation', () => {
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+ const id = adapterMocks[ 0 ].loader.id;
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+ const expected = '<paragraph>bar</paragraph>' +
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+ `[<image src="" uploadId="${ id }" uploadStatus="reading"></image>]` +
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+ '<paragraph>foo</paragraph>';
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- // Since upload starts asynchronously, success needs to be triggered after upload is started.
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- uploadStartedCallback = function() {
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- adapterMock.mockSuccess( { default: 'image.png' } );
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- };
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+ expectModel( done, getModelData( model ), expected );
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+ }, { priority: 'low' } );
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- model.document.once( 'change', () => {
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- model.document.once( 'change', () => {
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- expectModel( done, model, '<paragraph><image src="image.png"></image>[]foo</paragraph>' );
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- } );
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- } );
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+ setModelData( model, '<paragraph>[]foo</paragraph>' );
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- model.change( writer => {
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- const image = writer.createElement( 'image' );
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+ const clipboardHtml = `<p>bar</p><img src=${ base64Sample } />`;
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+ const dataTransfer = mockDataTransfer( clipboardHtml );
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- writer.setAttribute( 'src', base64Sample, image );
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- writer.insert( image, model.document.selection.getFirstPosition() );
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- } );
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+ const targetRange = model.createRange( model.createPositionAt( doc.getRoot(), 1 ), model.createPositionAt( doc.getRoot(), 1 ) );
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+ const targetViewRange = editor.editing.mapper.toViewRange( targetRange );
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+
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+ viewDocument.fire( 'clipboardInput', { dataTransfer, targetRanges: [ targetViewRange ] } );
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} );
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- it( 'should upload if image src changed to base64 data', done => {
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- setModelData( model, '<paragraph>bar[]</paragraph><image src="blob://image.jpeg"></image>' );
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+ it( 'should upload image with blob src', done => {
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+ editor.plugins.get( 'Clipboard' ).on( 'inputTransformation', () => {
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+ const id = adapterMocks[ 0 ].loader.id;
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+ const expected = `[<image src="" uploadId="${ id }" uploadStatus="reading"></image>]` +
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+ '<paragraph>foo</paragraph>';
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- // Since upload starts asynchronously, success needs to be triggered after upload is started.
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- uploadStartedCallback = function() {
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- adapterMock.mockSuccess( { default: 'image2.jpeg' } );
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- };
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+ expectModel( done, getModelData( model ), expected );
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+ }, { priority: 'low' } );
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- model.document.once( 'change', () => {
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- model.document.once( 'change', () => {
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- expectModel( done, model, '<paragraph>bar[]</paragraph><image src="image2.jpeg"></image>' );
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- } );
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- } );
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+ setModelData( model, '<paragraph>[]foo</paragraph>' );
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- model.change( writer => {
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- const range = writer.createRangeIn( model.document.getRoot() );
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+ const clipboardHtml = `<img src=${ base64ToBlobUrl( base64Sample ) } />`;
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+ const dataTransfer = mockDataTransfer( clipboardHtml );
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- for ( const value of range ) {
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- if ( value.item.is( 'element', 'image' ) ) {
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- writer.setAttribute( 'src', base64Sample, value.item );
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- }
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- }
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- } );
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+ const targetRange = model.createRange( model.createPositionAt( doc.getRoot(), 1 ), model.createPositionAt( doc.getRoot(), 1 ) );
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+ const targetViewRange = editor.editing.mapper.toViewRange( targetRange );
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+
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+ viewDocument.fire( 'clipboardInput', { dataTransfer, targetRanges: [ targetViewRange ] } );
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} );
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- it( 'should create responsive image if server return multiple images from base64 image', done => {
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- setModelData( model, '<paragraph>[]foo</paragraph>' );
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+ it( 'should not upload image if no loader available', done => {
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+ editor.plugins.get( 'Clipboard' ).on( 'inputTransformation', () => {
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+ const expected = `[<image src="${ base64Sample }"></image>]<paragraph>foo</paragraph>`;
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- // Since upload starts asynchronously, success needs to be triggered after upload is started.
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- uploadStartedCallback = function() {
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- adapterMock.mockSuccess( { default: 'image.png', 500: 'image-500.png', 800: 'image-800.png' } );
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- };
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+ expectModel( done, getModelData( model ), expected );
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+ }, { priority: 'low' } );
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- model.document.once( 'change', () => {
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- model.document.once( 'change', () => {
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- expectModel( done, model, '<paragraph><image src="image.png" ' +
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- 'srcset="{"data":"image-500.png 500w, image-800.png 800w","width":800}"></image>[]foo</paragraph>' );
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- } );
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- } );
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+ testUtils.sinon.stub( fileRepository, 'createLoader' ).callsFake( () => null );
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- model.change( writer => {
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- const image = writer.createElement( 'image' );
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+ setModelData( model, '<paragraph>[]foo</paragraph>' );
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- writer.setAttribute( 'src', base64Sample, image );
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- writer.insert( image, model.document.selection.getFirstPosition() );
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- } );
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- } );
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+ const clipboardHtml = `<img src=${ base64Sample } />`;
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+ const dataTransfer = mockDataTransfer( clipboardHtml );
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+
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+ const targetRange = model.createRange( model.createPositionAt( doc.getRoot(), 1 ), model.createPositionAt( doc.getRoot(), 1 ) );
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+ const targetViewRange = editor.editing.mapper.toViewRange( targetRange );
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- it( 'should not upload nor change image data when `File` constructor is not present', done => {
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- // Restore `File` stub.
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- testUtils.sinon.restore();
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+ viewDocument.fire( 'clipboardInput', { dataTransfer, targetRanges: [ targetViewRange ] } );
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+ } );
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- const fileFn = window.File;
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+ it( 'should not upload and remove image if fetch failed', done => {
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+ editor.plugins.get( 'Clipboard' ).on( 'inputTransformation', () => {
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+ const expected = '<paragraph>[]foo</paragraph>';
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- window.File = undefined;
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+ expectModel( done, getModelData( model ), expected );
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+ }, { priority: 'low' } );
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setModelData( model, '<paragraph>[]foo</paragraph>' );
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- model.document.once( 'change', () => {
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- setTimeout( () => {
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- window.File = fileFn;
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+ const clipboardHtml = `<img src=${ base64Sample } />`;
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+ const dataTransfer = mockDataTransfer( clipboardHtml );
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- expect( adapterMock ).to.null;
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- expectModel( done, model, `<paragraph><image src="${ base64Sample }"></image>[]foo</paragraph>` );
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+ const targetRange = model.createRange( model.createPositionAt( doc.getRoot(), 1 ), model.createPositionAt( doc.getRoot(), 1 ) );
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+ const targetViewRange = editor.editing.mapper.toViewRange( targetRange );
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- done();
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- }, 50 );
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+ // Stub `fetch` so it can be rejected.
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+ testUtils.sinon.stub( window, 'fetch' ).callsFake( () => {
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+ return new Promise( ( res, rej ) => rej() );
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} );
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- model.change( writer => {
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- const image = writer.createElement( 'image' );
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+ viewDocument.fire( 'clipboardInput', { dataTransfer, targetRanges: [ targetViewRange ] } );
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+ } );
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+
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+ it( 'should upload only images which were successfully fetched and remove failed ones', done => {
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+ editor.plugins.get( 'Clipboard' ).on( 'inputTransformation', () => {
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+ const expected = '<paragraph>bar</paragraph>' +
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+ `<image src="" uploadId="${ adapterMocks[ 0 ].loader.id }" uploadStatus="reading"></image>` +
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+ `[<image src="" uploadId="${ adapterMocks[ 1 ].loader.id }" uploadStatus="reading"></image>]` +
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+ '<paragraph>foo</paragraph>';
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+
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+ expectModel( done, getModelData( model ), expected );
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+ }, { priority: 'low' } );
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+
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+ setModelData( model, '<paragraph>[]foo</paragraph>' );
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+
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+ const clipboardHtml = `<p>bar</p><img src=${ base64Sample } />` +
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+ `<img src=${ base64ToBlobUrl( base64Sample ) } /><img src=${ base64Sample } />`;
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+ const dataTransfer = mockDataTransfer( clipboardHtml );
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- writer.setAttribute( 'src', base64Sample, image );
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- writer.insert( image, model.document.selection.getFirstPosition() );
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+ const targetRange = model.createRange( model.createPositionAt( doc.getRoot(), 1 ), model.createPositionAt( doc.getRoot(), 1 ) );
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+ const targetViewRange = editor.editing.mapper.toViewRange( targetRange );
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+
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+ // Stub `fetch` in a way that 2 first calls are successful and 3rd fails.
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+ let counter = 0;
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+ const fetch = window.fetch;
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+ testUtils.sinon.stub( window, 'fetch' ).callsFake( src => {
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+ counter++;
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+ if ( counter < 3 ) {
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+ return fetch( src );
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+ } else {
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+ return new Promise( ( res, rej ) => rej() );
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+ }
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} );
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- } );
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- it( 'should not upload nor change image data when `File` constructor is not supported', done => {
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- // Restore `File` stub.
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- testUtils.sinon.restore();
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+ viewDocument.fire( 'clipboardInput', { dataTransfer, targetRanges: [ targetViewRange ] } );
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+ } );
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+ it( 'should not upload and remove image when `File` constructor is not present', done => {
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const fileFn = window.File;
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- window.File = function() {
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- throw new Error( 'Function expected.' ); // Simulating Edge browser behaviour here.
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- };
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+ window.File = undefined;
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- setModelData( model, '<paragraph>[]foo</paragraph>' );
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+ editor.plugins.get( 'Clipboard' ).on( 'inputTransformation', () => {
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+ window.File = fileFn;
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- model.document.once( 'change', () => {
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- setTimeout( () => {
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- window.File = fileFn;
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+ const expected = '<paragraph>baz[]foo</paragraph>';
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- expect( adapterMock ).to.null;
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- expectModel( done, model, `<paragraph><image src="${ base64Sample }"></image>[]foo</paragraph>` );
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+ expectModel( done, getModelData( model ), expected );
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+ }, { priority: 'low' } );
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- done();
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- }, 50 );
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- } );
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+ setModelData( model, '<paragraph>[]foo</paragraph>' );
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- model.change( writer => {
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- const image = writer.createElement( 'image' );
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+ const clipboardHtml = `<img src=${ base64ToBlobUrl( base64Sample ) } /><p>baz</p>`;
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+ const dataTransfer = mockDataTransfer( clipboardHtml );
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- writer.setAttribute( 'src', base64Sample, image );
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- writer.insert( image, model.document.selection.getFirstPosition() );
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- } );
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+ const targetRange = model.createRange( model.createPositionAt( doc.getRoot(), 1 ), model.createPositionAt( doc.getRoot(), 1 ) );
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+ const targetViewRange = editor.editing.mapper.toViewRange( targetRange );
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+
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+ viewDocument.fire( 'clipboardInput', { dataTransfer, targetRanges: [ targetViewRange ] } );
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} );
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- it( 'should not initialize upload if inserted image have uploadId', () => {
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- setModelData( model, '<paragraph>[]foo</paragraph>' );
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+ it( 'should not upload and remove image when `File` constructor is not supported', done => {
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+ const fileFn = window.File;
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- const imageUploadEditing = editor.plugins.get( ImageUploadEditing );
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- const uploadSpy = testUtils.sinon.spy( imageUploadEditing, '_uploadBase64Images' );
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+ window.File = function() {
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+ throw new Error( 'Function expected.' ); // Simulating Edge browser behaviour here.
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+ };
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- model.document.once( 'change', () => {
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- expect( uploadSpy.callCount ).to.equal( 0 );
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- expect( getModelData( model ) ).to.equal(
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- `<paragraph><image src="${ base64Sample }" uploadId="42"></image>[]foo</paragraph>` );
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- } );
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+ editor.plugins.get( 'Clipboard' ).on( 'inputTransformation', () => {
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+ window.File = fileFn;
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- model.change( writer => {
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- const image = writer.createElement( 'image' );
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+ const expected = '<paragraph>baz[]foo</paragraph>';
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- writer.setAttribute( 'src', base64Sample, image );
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|
|
- writer.setAttribute( 'uploadId', 42, image );
|
|
|
- writer.insert( image, model.document.selection.getFirstPosition() );
|
|
|
- } );
|
|
|
- } );
|
|
|
+ expectModel( done, getModelData( model ), expected );
|
|
|
+ }, { priority: 'low' } );
|
|
|
|
|
|
- it( 'should not initialize upload if src of different element than image changed', () => {
|
|
|
- setModelData( model, '<paragraph src="foo">[]bar</paragraph>' );
|
|
|
+ setModelData( model, '<paragraph>[]foo</paragraph>' );
|
|
|
|
|
|
- const imageUploadEditing = editor.plugins.get( ImageUploadEditing );
|
|
|
- const uploadSpy = testUtils.sinon.spy( imageUploadEditing, '_uploadBase64Images' );
|
|
|
+ const clipboardHtml = `<p>baz</p><img src=${ base64ToBlobUrl( base64Sample ) } />`;
|
|
|
+ const dataTransfer = mockDataTransfer( clipboardHtml );
|
|
|
|
|
|
- model.document.once( 'change', () => {
|
|
|
- expect( uploadSpy.callCount ).to.equal( 0 );
|
|
|
- expect( getModelData( model ) ).to.equal( '<paragraph src="bar">[]bar</paragraph>' );
|
|
|
- } );
|
|
|
+ const targetRange = model.createRange( model.createPositionAt( doc.getRoot(), 1 ), model.createPositionAt( doc.getRoot(), 1 ) );
|
|
|
+ const targetViewRange = editor.editing.mapper.toViewRange( targetRange );
|
|
|
|
|
|
- model.change( writer => {
|
|
|
- const range = writer.createRangeIn( model.document.getRoot() );
|
|
|
+ viewDocument.fire( 'clipboardInput', { dataTransfer, targetRanges: [ targetViewRange ] } );
|
|
|
+ } );
|
|
|
|
|
|
- for ( const value of range ) {
|
|
|
- if ( value.item.is( 'element', 'paragraph' ) ) {
|
|
|
- writer.setAttribute( 'src', 'bar', value.item );
|
|
|
- }
|
|
|
+ it( 'should get file extension from base64 string', done => {
|
|
|
+ editor.plugins.get( 'Clipboard' ).on( 'inputTransformation', () => {
|
|
|
+ try {
|
|
|
+ expect( loader.file.name.split( '.' ).pop() ).to.equal( 'png' );
|
|
|
+ done();
|
|
|
+ } catch ( err ) {
|
|
|
+ done( err );
|
|
|
}
|
|
|
- } );
|
|
|
- } );
|
|
|
+ }, { priority: 'low' } );
|
|
|
|
|
|
- it( 'should not change image src if upload aborted', done => {
|
|
|
setModelData( model, '<paragraph>[]foo</paragraph>' );
|
|
|
|
|
|
- // Since upload starts asynchronously, success needs to be triggered after upload is started.
|
|
|
- uploadStartedCallback = function() {
|
|
|
- adapterMock.abort();
|
|
|
- };
|
|
|
-
|
|
|
- model.document.once( 'change', () => {
|
|
|
- setTimeout( () => {
|
|
|
- expect( adapterMock.loader.status ).to.equal( 'error' );
|
|
|
- expectModel( done, model, `<paragraph><image src="${ base64Sample }"></image>[]foo</paragraph>` );
|
|
|
- }, 50 );
|
|
|
- } );
|
|
|
+ const clipboardHtml = `<img src=${ base64Sample } />`;
|
|
|
+ const dataTransfer = mockDataTransfer( clipboardHtml );
|
|
|
|
|
|
- model.change( writer => {
|
|
|
- const image = writer.createElement( 'image' );
|
|
|
+ const targetRange = model.createRange( model.createPositionAt( doc.getRoot(), 1 ), model.createPositionAt( doc.getRoot(), 1 ) );
|
|
|
+ const targetViewRange = editor.editing.mapper.toViewRange( targetRange );
|
|
|
|
|
|
- writer.setAttribute( 'src', base64Sample, image );
|
|
|
- writer.insert( image, model.document.selection.getFirstPosition() );
|
|
|
+ // Stub `fetch` to return custom blob without type.
|
|
|
+ testUtils.sinon.stub( window, 'fetch' ).callsFake( () => {
|
|
|
+ return new Promise( res => res( {
|
|
|
+ blob() {
|
|
|
+ return new Promise( res => res( new Blob( [ 'foo', 'bar' ] ) ) );
|
|
|
+ }
|
|
|
+ } ) );
|
|
|
} );
|
|
|
+
|
|
|
+ viewDocument.fire( 'clipboardInput', { dataTransfer, targetRanges: [ targetViewRange ] } );
|
|
|
} );
|
|
|
|
|
|
- it( 'should not throw error and not change image src if upload errored', done => {
|
|
|
- setModelData( model, '<paragraph>[]foo</paragraph>' );
|
|
|
+ it( 'should use fallback file extension', done => {
|
|
|
+ editor.plugins.get( 'Clipboard' ).on( 'inputTransformation', () => {
|
|
|
+ try {
|
|
|
+ expect( loader.file.name.split( '.' ).pop() ).to.equal( 'jpeg' );
|
|
|
+ done();
|
|
|
+ } catch ( err ) {
|
|
|
+ done( err );
|
|
|
+ }
|
|
|
+ }, { priority: 'low' } );
|
|
|
|
|
|
- // Since upload starts asynchronously, success needs to be triggered after upload is started.
|
|
|
- uploadStartedCallback = function() {
|
|
|
- adapterMock.mockError( 'Upload failed.' );
|
|
|
- };
|
|
|
+ setModelData( model, '<paragraph>[]foo</paragraph>' );
|
|
|
|
|
|
- model.document.once( 'change', () => {
|
|
|
- setTimeout( () => {
|
|
|
- expect( adapterMock.loader.status ).to.equal( 'error' );
|
|
|
- expectModel( done, model, `<paragraph><image src="${ base64Sample }"></image>[]foo</paragraph>` );
|
|
|
- }, 50 );
|
|
|
- } );
|
|
|
+ const clipboardHtml = `<img src=${ base64ToBlobUrl( base64Sample ) } />`;
|
|
|
+ const dataTransfer = mockDataTransfer( clipboardHtml );
|
|
|
|
|
|
- model.change( writer => {
|
|
|
- const image = writer.createElement( 'image' );
|
|
|
+ const targetRange = model.createRange( model.createPositionAt( doc.getRoot(), 1 ), model.createPositionAt( doc.getRoot(), 1 ) );
|
|
|
+ const targetViewRange = editor.editing.mapper.toViewRange( targetRange );
|
|
|
|
|
|
- writer.setAttribute( 'src', base64Sample, image );
|
|
|
- writer.insert( image, model.document.selection.getFirstPosition() );
|
|
|
+ // Stub `fetch` to return custom blob without type.
|
|
|
+ testUtils.sinon.stub( window, 'fetch' ).callsFake( () => {
|
|
|
+ return new Promise( res => res( {
|
|
|
+ blob() {
|
|
|
+ return new Promise( res => res( new Blob( [ 'foo', 'bar' ] ) ) );
|
|
|
+ }
|
|
|
+ } ) );
|
|
|
} );
|
|
|
+
|
|
|
+ viewDocument.fire( 'clipboardInput', { dataTransfer, targetRanges: [ targetViewRange ] } );
|
|
|
} );
|
|
|
} );
|
|
|
|
|
|
-// Since this function is run inside Promise, all errors needs to be caught
|
|
|
-// and rethrow to be correctly processed by testing framework.
|
|
|
-function expectModel( done, model, expected ) {
|
|
|
+// Asserts actual and expected model data.
|
|
|
+// Note: Since this function is run inside a promise, all errors needs to be caught
|
|
|
+// and rethrow to be correctly processed by a testing framework.
|
|
|
+//
|
|
|
+// @param {function} done Callback function to be called when assertion is done.
|
|
|
+// @param {String} actual Actual model data.
|
|
|
+// @param {String} expected Expected model data.
|
|
|
+function expectModel( done, actual, expected ) {
|
|
|
try {
|
|
|
- expect( getModelData( model ) ).to.equal( expected );
|
|
|
+ expect( actual ).to.equal( expected );
|
|
|
done();
|
|
|
} catch ( err ) {
|
|
|
done( err );
|
|
|
}
|
|
|
}
|
|
|
+
|
|
|
+// Creates data transfer object with predefined data.
|
|
|
+//
|
|
|
+// @param {String} content The content returned as `text/html` when queried.
|
|
|
+// @returns {module:clipboard/datatransfer~DataTransfer} DataTransfer object.
|
|
|
+function mockDataTransfer( content ) {
|
|
|
+ return new DataTransfer( {
|
|
|
+ types: [ 'text/html' ],
|
|
|
+ getData: type => type === 'text/html' ? content : ''
|
|
|
+ } );
|
|
|
+}
|
|
|
+
|
|
|
+// Creates blob url from the given base64 data.
|
|
|
+//
|
|
|
+// @param {String} base64 The base64 string from which blob url will be generated.
|
|
|
+// @returns {String} Blob url.
|
|
|
+function base64ToBlobUrl( base64 ) {
|
|
|
+ return URL.createObjectURL( base64ToBlob( base64.trim() ) );
|
|
|
+}
|
|
|
+
|
|
|
+// Transforms base64 data into a blob object.
|
|
|
+//
|
|
|
+// @param {String} The base64 data to be transformed.
|
|
|
+// @returns {Blob} Blob object representing given base64 data.
|
|
|
+function base64ToBlob( base64Data ) {
|
|
|
+ const [ type, data ] = base64Data.split( ',' );
|
|
|
+ const byteCharacters = atob( data );
|
|
|
+ const byteArrays = [];
|
|
|
+
|
|
|
+ for ( let offset = 0; offset < byteCharacters.length; offset += 512 ) {
|
|
|
+ const slice = byteCharacters.slice( offset, offset + 512 );
|
|
|
+ const byteNumbers = new Array( slice.length );
|
|
|
+
|
|
|
+ for ( let i = 0; i < slice.length; i++ ) {
|
|
|
+ byteNumbers[ i ] = slice.charCodeAt( i );
|
|
|
+ }
|
|
|
+
|
|
|
+ byteArrays.push( new Uint8Array( byteNumbers ) );
|
|
|
+ }
|
|
|
+
|
|
|
+ return new Blob( byteArrays, { type } );
|
|
|
+}
|