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My mustard on

Golo Roden added "test private methods" a journal written on the subject. This conclusion is particularly me the following notice:

conclusion can yet be said that the problem of testing private developers primarily code is concerned, do not proceed to the TDD . This is not surprising, as TDD-savvy developers to write the test first, and only then the code: Private code can thus only by refactoring of already existing and tested code arise.

I develop for a few months himself with TDD (a comprehensive review and how my life has changed by developers in a subsequent post) and am of the opinion that so does the problem with to test private methods automatically. For me this result to 99% for the refactoring step, plus a small example:

is to implement a method that returns me via people ID the full name of a person.

Step 1: Test method


Step 2: Implementation


Step 3: Refactoring






As you can see here, are the private methods developed during the refactoring and now mitgetestet automatically.
I am aware that in this example, the private methods are a bit exaggerated perhaps, I could access it directly in the GetFullName method of the repository on the first and last name. But I wanted to prove that TDD leads to cleaner architecture and private methods are automatically mitgetestet ;-)