A testing method and system for automatic Hypertext Transfer Protocol (HTTP) testing, the system including a memory configured to store sequences of user requests, a program store storing code for emulating a sequence of user requests, and at least one processor coupled to the program store and to the memory for executing the stored code, the code including instructions for generating an emulated request based on a request from a user sequence of requests, transmitting the emulated request to an application, receiving a response to the emulated request from the application, calculating an adapted emulated sequence based on validity of the received response, and instructing transmission of the adapted emulated sequence.