Web Dynpro ABAP applications can also be tested in the framework of the Extended Computer Aided Test Tools (eCATT).
You can record and replay applications. The relevant eCATT command is WEBDYNPRO. You can parameterize the command interface to set input values of GUI elements, and to check or read values from GUI elements.
eCATT in SE80
In the Web Dynpro Explorer context menu of a Web Dynpro application, choose Start eCATT Recording to start eCATT recording.
You can find information about the restrictions when using eCATT and Web Dynpro ABAP in SAP Note 948076 .
For more information about eCATT, search http://help.sap.com.for eCATT: Extended Computer Aided Test Tool (BC-TWB-TST-ECA).
Testing Web Dynpro Applications
Recording a Web Dynpro Application