Web Service Testing With SOAP UI

SoapUI is an open source web service testing application .Download and Install SOAP UI from http://www.soapui.org/Downloads/latest-release.html

Open SOAP UI

Create new project by right clicking on projects

after creating new project browse for concrete wsdl. Then you will get the all methods that which lies in your concrete wsdl.I created the sample web service in TIBCO BW with three operations one is addition and subtraction  another is multiplication.
after exporting it into my local drive I loaded that concrete  WSDL in soap UI.

Now create sample request to invoke your web service.Just expand the method that which you want to invoke and double click the request then in the right panel you will see the request in xml form now you need to fill the input parameters by replacing "?" .by clicking green button on top you can consume webservice and gets the response back from webservice.