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How to test internals in C# if you don’t have access outside the assembly? 🤔
It is really important to have code with test coverage, but it is also important to respect access modifiers and do not make everything public just to have access in your unit tests.
But how can you test a class if it is declared as internal? Should you avoid an internal access modifier just o be able to test it? Because we usually have our tests in another project and then we don’t have access to it.
Problem
You cannot access the internal classes outside the assembly.
Solution
Basically, add the following ItemGroup to your project (the project where you have your class internal) and then we can access internals in your UnitTests project.