Hello everyone,

I have heard about MR-unit and I was wondering if someone could explain to me what is the gain of using MR-Unit for unit testing MR jobs compairing to usage of JUnit and Mockito?

Concretely, what are the things that I can do that I cannot do them using JUnit, or it is much more difficult?

My idea is to move all the logic from mappers/reducers to helper classes and just verify that appropriate methods are called on the mocks.

Why use MR-Unit?

Best regards,

signature Marko Dinić
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