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The Dependency Inversion Principle (DIP) is a foundational concept in clean architecture that helps build flexible, scalable systems. It promotes creating high-level modules independent of low-level details, allowing for easy updates and better contr...

The first article in this series dealt with avoiding excessive use of mocks when testing code that performs I/O. This article deals with service functions that make use of dependency inversion. Mocks should be absent from these tests altogether. This...
