Unit testing the app.config file with NUnit

Question

When you guys are unit testing an application that relies on values from an app.config file? How do you test that those values are read in correctly and how your program re

Answer 1

You can always wrap the reading-in bit in an interface, and have a specific implementation read from the config file. You would then write tests using Mock Objects to see how the program handled bad values. Personally, I wouldn't test this specific implementation, as this is .NET Framework code (and I'm assuming - hopefully - the MS has already tested it).