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Fix e2e test and add the pageUtils.dragFiles e2e util
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131 changes: 131 additions & 0 deletions
131
packages/e2e-test-utils-playwright/src/page-utils/drag-files.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| /** | ||
| * External dependencies | ||
| */ | ||
| import { readFile } from 'fs/promises'; | ||
| import { basename } from 'path'; | ||
| import { getType } from 'mime'; | ||
|
|
||
| /** | ||
| * Internal dependencies | ||
| */ | ||
| import type { PageUtils } from './index'; | ||
|
|
||
| type FileObject = { | ||
| name: string; | ||
| mimeType?: string; | ||
| buffer: Buffer; | ||
| }; | ||
|
|
||
| /** | ||
| * Simulate dragging files from outside the current page. | ||
| * | ||
| * @param this | ||
| * @param files The files to be dragged. | ||
| * @return The methods of the drag operation. | ||
| */ | ||
| async function dragFiles( | ||
| this: PageUtils, | ||
| files: string | string[] | FileObject | FileObject[] | ||
| ) { | ||
| const filesList = Array.isArray( files ) ? files : [ files ]; | ||
| const fileObjects = await Promise.all( | ||
| filesList.map( async ( filePathOrObject ) => { | ||
| if ( typeof filePathOrObject !== 'string' ) { | ||
| return { | ||
| name: filePathOrObject.name, | ||
| mimeType: | ||
| filePathOrObject.mimeType || | ||
| getType( filePathOrObject.name ), | ||
| base64: filePathOrObject.buffer.toString( 'base64' ), | ||
| }; | ||
| } | ||
| const base64 = await readFile( filePathOrObject, 'base64' ); | ||
| const name = basename( filePathOrObject ); | ||
| return { | ||
| name, | ||
| mimeType: getType( filePathOrObject ), | ||
| base64, | ||
| }; | ||
| } ) | ||
| ); | ||
|
|
||
| const dataTransfer = await this.page.evaluateHandle( | ||
| async ( _fileObjects ) => { | ||
| const dt = new DataTransfer(); | ||
| const fileInstances = await Promise.all( | ||
| _fileObjects.map( async ( fileObject ) => { | ||
| const blob = await fetch( | ||
| `data:${ fileObject.mimeType };base64,${ fileObject.base64 }` | ||
| ).then( ( res ) => res.blob() ); | ||
| return new File( [ blob ], fileObject.name, { | ||
| type: fileObject.mimeType ?? undefined, | ||
| } ); | ||
| } ) | ||
| ); | ||
|
|
||
| fileInstances.forEach( ( file ) => { | ||
| dt.items.add( file ); | ||
| } ); | ||
|
|
||
| return dt; | ||
| }, | ||
| fileObjects | ||
| ); | ||
|
|
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| // Simulate dragging over the document. | ||
| await this.page.dispatchEvent( 'html', 'dragenter', { dataTransfer } ); | ||
|
|
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| const position = { | ||
| x: 0, | ||
| y: 0, | ||
| }; | ||
|
|
||
| const getCurrentTopMostElement = async () => { | ||
| const elementFromPosition = await this.page.evaluateHandle( | ||
| ( point ) => { | ||
| const element = document.elementFromPoint( point.x, point.y ); | ||
| return element; | ||
| }, | ||
| position | ||
| ); | ||
|
|
||
| return elementFromPosition.asElement(); | ||
| }; | ||
|
|
||
| return { | ||
| /** | ||
| * Move the cursor and drag the files to the specified position. | ||
| * | ||
| * @param x The X coordinate. | ||
| * @param y The Y coordinate. | ||
| */ | ||
| dragTo: async ( x: number, y: number ) => { | ||
| position.x = x; | ||
| position.y = y; | ||
|
|
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| const elementHandle = await getCurrentTopMostElement(); | ||
|
|
||
| if ( ! elementHandle ) { | ||
| return; | ||
| } | ||
|
|
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| await elementHandle.dispatchEvent( 'dragenter', { dataTransfer } ); | ||
| }, | ||
| /** | ||
| * Drop the files at the current position. | ||
| */ | ||
| drop: async () => { | ||
| const elementHandle = await getCurrentTopMostElement(); | ||
|
|
||
| if ( ! elementHandle ) { | ||
| throw new Error( | ||
| `No element at position (${ position.x }, ${ position.y }) to drop on` | ||
| ); | ||
| } | ||
|
|
||
| await elementHandle.dispatchEvent( 'drop', { dataTransfer } ); | ||
| }, | ||
| }; | ||
| } | ||
|
|
||
| export { dragFiles }; |
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