Prig - Open Source Alternative to Microsoft Fakes

Prig(PRototyping jIG) is a framework that generates a Test Double like Microsoft Fakes/Typemock Isolator/Telerik JustMock based on Unmanaged Profiler APIs.

For example, there is a method that has tight coupling with DateTime.Now like the below: 

You can write the test like this: 

For complete procedure, please see QUICK TOUR.