I would like to encourage you to download and go through presentation from lighting talk about AutoFixture library. Main purpose of this library is to minimize the ‘Arrange’ phase of unit tests in order to maximize maintainability. Presentation is available on GitHub – AutoFixture - Lightning talk. You will find there description of main features of this library. Moreover, presentation contains short comparison AutoFixture with other available solutions. Of course on GitHub you will find code used in presentation.