8.3. System-Testing Toast

If the advantage of unit testing is that it can test POJOs outside of OSGi, the advantage of system testing is that it does just the opposite. In other words, unit tests focus on small units of the application functionality, but system tests put the entire application through its paces with all the components in place.

8.3.1. Test Strategy

The strategy in system testing is the opposite of the unit-testing strategy. In this case, to test as much of the application as possible implies mocking up as little of the application as possible.