j2ee service layer automated test cases

I am working on Big Spring, ibatis, velocity bases J2EE project there are thousands of classes and number of service layer classes, i need to create test cases for all server layer classes is there any automated tool to write test cases 开发者_如何学运维for all service layer classes ?

No.

You need to figure out what you application does, split it up into components that are testable, and then write tests for those components.

Sorry.

Unfortunately no automated test case generator tool exists.