Top 20 NuGet testing Packages

AutoObjectBuilder.Net is an open source project designed to assist with Unit testing by automatically building simple and complex object graphs with predictable test data..
Blueprinting is a library designed to assist in the creation of large collections of complex objects, especially for use in testing or database seeding tasks.
Deleporter Core (use Deleporter.Server/Deleporter.Client for easy setup) - Simple Cross Process Stubbing. Deleporter is a lightweight .NET library that teleports arbitrary delegates into an ASP.NET application in some other process (e.g. hosted in IIS) and runs them there. One use case is stubbing ...
LinqToWindows provides a bunch of ways to access and change opened windows
Mocking framework for Windows Phone and Windows Store apps
Poke around Nuget!
Simple tool to diff object graphs.
Use RequestStrap Class- and Method-level Attributes when unit testing to initialize System.Web.HttpContext.Current prior to running tests. Release 0.1 contains a single Attribute [RequestStrap] which performs minimal initialization of System.Web.HttpContext.Current to allow the Cache object to be us...
RIAServices.UnitTesting provides a DomainServiceTestHost that can be used to unit test your Domain Services.
TinySpec is one class that abstracts away your testing syntax. It is a lightweight implementation of a BDD framework.
The WP7 App client library for BDD SpecFlow testing framework for Windows Phone emulator - used together with the WP7 BDD package
Do you use the Xceed WPF DataGrid and want to run tests against a virtualizing collection? You've probably noticed that the virtual items don't realize under test. The realization is tied to some voodoo inside the WPF implementation. I've found that by pumping the WPF dispatcher you can make the vir...
This package is now obsolete and has been replaced by the NUnit.Console package. It includes the nunit3-console runner and test engine for version 3 of the NUnit unit-testing framework. The following extensions are included with this package: * NUnitProjectLoader - loads test...
Simple Specification Framework.
Integration testing against e-mail almost always sucks. EmbeddedMail doesn't remove all of that pain, but it certainly helps it suck less by providing an in-memory SMTP server that you can assert on.
Utility for accessing private methods, properties and fields. Handy for unit tests.
.Net Micro Framework Unit Testing Library
Lightweight Test Automation Framework (LTAF) for ASP.NET runtime dependencies
Library of helpers for testing
Easy-to-use fluent assertions with actually useful failure messages.