How can we handle captcha in Load Runner?

CAPTCHA (an acronym for "Completely Automated Public Turing test to tell Computers and Humans Apart") is a type of challenge-response test used in computing to determine whether or not the user is human. The term was coined in 2003 by Luis von Ahn, Manuel Blum, Nicholas J. Hopper, and John Langford.

The purpose of the CAPTCHA is to defeat the automation. CAPTCHA are based upon the turning test and as such the main purpose is to differentiate human from machine. Pattern recognition, vocal, visual (dynamic/static) has been broken several time. Much of the time it become a pain for the end-user, because they are a pain to decipher. Cultural reference or social pattern could be proven useful, achieve the same purpose and be less annoying for your customer


If you want to script the application which has CAPTCHA with the load runner you have to get the below things from the DEV.
  • To disable CAPTCHA validation
  • To make the CAPTCHA as static
  • To remove the CAPTCHA
  • To send the CAPTCHA value in server response(So that you can correlate)
  • Provide the CAPTCHA details which are comes in the data base sequentially.

8 comments:

Shraddha Dalvi said...

Thanks a Lot Ravi!

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