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Important: This documentation is about an older version. It's relevant only to the release noted, many of the features and functions have been updated or replaced. Please view the current version.

Documentationbreadcrumb arrow Grafana k6breadcrumb arrow JavaScript APIbreadcrumb arrow k6/httpbreadcrumb arrow file( data, [filename], [contentType] )
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file( data, [filename], [contentType] )

Create a file object that is used for building Multipart requests (file uploads).

ParameterTypeDescription
datastring / Array / ArrayBufferFile data as string, array of numbers, or an ArrayBuffer object.
filenamestringThe filename to specify for this field (or “part”) of the multipart request.
contentTypestringThe content type to specify for this field (or “part”) of the multipart request.

Returns

TypeDescription
FileDataA FileData object.

Example

JavaScript 
import { sleep } from 'k6';
import { md5 } from 'k6/crypto';
import http from 'k6/http';

const binFile = open('/path/to/file.bin', 'b');

export default function () {
  const f = http.file(binFile, 'test.bin');
  console.log(md5(f.data, 'hex'));
  console.log(f.filename);
  console.log(f.content_type);
}