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Editorial Team
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Asked: 2026-05-13T20:06:05+00:00

I’m trying to clean my code to make it unit-testable. I know that unit

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I’m trying to clean my code to make it unit-testable. I know that unit tests must be created while coding but… I have to do it now, with code completed.

My business class is full of methods with a similar implementation like:

var rep=new NHrepository<ModelClass1>(Session);
rep.Where(x=>x.Field1==1).ToList();

first error (from my point of view) is that I don’t have to use “new” but instead use DI and add in the ctor parameters a INHrepository modelClass1Repository.

If in my class I have two or more repository of different model class? Each must be in the ctor? Or probably business class is not build with SeparationOfConcern principle?

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1 Answer

  1. Editorial Team

    You’re right about the dependecy injection.

    Also, I strongly recommend that you read Working Effectively with Legacy Code if you plan to write unit tests for your legacy code.

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