Mockito Tutorial: Learn mocking with 25 Junit Examples - Step 16: Invoking Private Methods

This video tutorial explains how to test private methods in Java using PowerMock and Mockito. It covers the setup process, invoking private methods with PowerMock's Whitebox utility, and handling exceptions during testing. The tutorial emphasizes the use of these techniques in legacy systems where refactoring is not feasible. The video concludes with a successful test execution, demonstrating the effectiveness of the approach.

Explain why it is not usually recommended to test private methods.

Describe the process of invoking a private method using PowerMock.

What is the main purpose of using PowerMock in testing private methods?

What are the parameters required when using the invoke method from the white box utility?

How does the test handle exceptions when invoking a private method?

What is the expected result when summing the numbers 1, 2, and 3 in the private method?

What is the significance of stubbing dependencies in the context of testing private methods?