How to mock a String using mockito?

Question

I need to simulate a test scenario in which I call the getBytes() method of a String object and I get an UnsupportedEncodingException.

I have tried to achie

Answer 1

As others have indicated, you can't use Mockito to mock a final class. However, the more important point is that the test isn't especially useful because it's just demonstrating that String.getBytes() can throw an exception, which it can obviously do. If you feel strongly about testing this functionality, I guess you could add a parameter for the encoding to f() and send a bad value into the test.

Also, you are causing the same problem for the caller of A.f() because A is final and f() is static.

This article might be useful in convincing your coworkers to be less dogmatic about 100% code coverage: How to fail with 100% test coverage.