Mock private method in the same class that is being tested

Question

I have a Java class named, MyClass, that I want to test with JUnit. The public method, methodA, that I want to test calls a private method, meth

Answer 1

Do not be tempted to mock private methods, even if you can engaging in trickery to do so using a mocking tool. Private members are implementation details, which you should be free to change. Instead use the non-private API to exercise the class. If this is troublesome, consider moving the troublesome code into a different class, if it is not there already, and use dependency injection to inject a mock implementation of the troublesome code.