Mockito Tutorial: Learn mocking with 25 Junit Examples - Step 17: Mocking a Constructor

The video tutorial explains how to mock constructors using PowerMock and Mockito. It covers the process of overriding constructors, specifically focusing on the ArrayList constructor, and demonstrates how to return a specific size from a mock. The tutorial emphasizes the importance of proper test naming and setup, and provides a detailed walkthrough of the steps involved in mocking constructors. It concludes with a discussion on best practices, highlighting that mocking constructors and static methods should be avoided unless necessary in legacy projects.

What is the final outcome of the test when a mock list is used instead of a new ArrayList?

What are the potential drawbacks of using PowerMock and Mockito together?

Describe a scenario where mocking a constructor might be necessary.