Ruby calling wsdl for authenticate() Help



I have an url:
http://localhost:7000/Webservices/testService.jws?WSDL=” which i need
to call from a ruby’s controller file TestWebService.rb for
authenticating the user-id. Can someone help me out to solve my issue?.
I have downloaded SOAP4R but nothing much I m able to get info for
calling this webservice.
Can someone help me out with proper steps to follow for achieving my

Thanks in advance,