tbohnen thinks this is interesting: The solution to these problems is to use the MOCK OBJECT pattern. From 4. Testing from Agile Principles, Patterns, and Practices in C# by Robert C. Martin, Micah Martin Publisher: Prentice Hall Released: July 2006 Note This is used far less frequently now? Share this highlight http://www.safaribooksonline.com/a/agile-principles-patterns/1392005/ Twitter Facebook Google Plus Email Get Instant Access Now Start a Free Trial Have an account? Sign in. Minimise Unlock the rest of Agile Principles, Patterns, and Practices in C# and 30,000 other books and videos By clicking this box, you confirm that you have read and agree to the terms and conditions of our Membership Agreement, and you understand that when your trial period ends, you will be required to provide billing information if you wish to continue using the service. Unlock the rest of this book Start a Free 10-Day Trial loading Learn about Safari for Business Have an account? Sign in.