Test cases are important for your application, as they not only verify the code but also make sure it does everything you expect it to do. In this chapter, we will explore how to write tests to make sure that things don't break as your application continues to evolve. You could either write tests before or after the code has been written.
Spring doesn't provide an API to write unit tests for an application. Spring promotes loose coupling and interface-driven design. So, it makes it easy to write unit tests for any Spring application. On the other hand, integration tests require some help from Spring Framework, because Spring does bean wiring between the application components in your production application. ...
