List of unit testing frameworks

http://en.wikipedia.org/wiki/List_of_unit_testing_frameworks

Unit Testing with NUnit

http://en.csharp-online.net/Unit_Testing_with_NUnit%E2%80%94Creating_a_Test

Excellent Tutorial on Unit Testing with JUnit explained with examples and screen shots. Step by Step guide / tutorial

http://www.vogella.de/articles/JUnit/article.html#unittesting_junit

Table of Contents

• Introduction
• What Are Unit Tests?
• The NUnit Testing Framwork
• TestFixture Attribute
• Test Attribute
• SetUp & Teardown Attributes
• ExpectedException Attribute
• Ignore Attribute
• The NUnit Assertion Class
• Running Your Tests
• Doing Test-Driven Development
• Using Mock Objects – DotNetMock
• Testing the Business Layer
• Testing the User Interface
• Conclusion
• More Info on the Web

Unit Testing Basics and Frame works

http://www.cs.toronto.edu/~yijun/csc408h/handouts/tutorial4.pdf