Telerik JustMock is an easy-to-use mocking tool that will help you compose unit tests faster than ever before, with higher quality. JustMock allows you to easily isolate your testing scenario from hard to configure dependencies like databases, requests to web services or third-party libraries. This results in higher productivity and better code. JustMock can mock everything from interfaces, virtual and abstract methods and properties, sealed classes, non-virtual methods and properties, static classes, methods, and properties, private, protected, or internal classes, methods and properties and even system API like DateTime, File, FileInfo, and so on.