Having your tests upload files to the trial coating is something that becomes bedevil when moving Selenium RC server to different machines. Browsers can solely upload files from the local machine, but when the RC server (and consequently the browser) are on a different machine than the one running the exam, this can be rattling hard to do. Luckily, for this form of situations, Selenium has theattach_filemethod which receives both a locater and a URL as parameters, then the RC Server takes care of downloading the file to the test machine at a temporary location and then attaching the file completing with this path in the desired field. Here & # x27; s the reference from Selenium & # x27; s documentation:

In [5]: sel.attach_file?
Definition: a.attach_file (self, fieldLocator, fileLocator)
Docstring:
Sets a file input (upload) battleground to the file listed in fileLocator
& # x27; fieldLocator & # x27; is an element locator
& # x27; fileLocator & # x27; is a URL pointing to the specified file.
Before the file can be set in the stimulation field (fieldLocator), Selenium RC may require to transfer the file to the local machine before attaching the file in a web page pattern.
This is common in selenium grid configurations where the RC server driving the browser is not the same machine that started the test.
Supported Browsers: Firefox (& quot; * chrome & quot;) only.

Keep in judgement that for using this method the files to upload will feature to be range in a public URL. However, if you don & # x27; t require them to be 100 % public, you can still keep them safe using basic HTTP Auth and get them habituate the auth information in the same URL. Here & # x27; s an example usage of the bid in python:

sel.attach_file (& quot; css=input [type=file] & quot;, & quot; http: //url.com/file.txt & quot;)

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Some caution in Selenium & # x27; s implementation, is that this only works on firefox and that also the file must be rate on top level in the URL, so utilise the undermentioned URL will not work:

http: //saucelabs.com/subdirectory/subdirectory2/file.txt

while the following will:

http: //saucelabs.com/file.txt

In, we guide forethought of specify both issues + lend ftp support too, so if you used Sauce OnDemand, just put your files in a public host (both HTTP or FTP) and so just use attach_file to upload them. Hope you find this useful, and if you demand more info, let us know in the comments.