1. Dinuka Malinda Peiris Malalanayake
Associate QA Engineer -Excel Technology Lanka

2. BACKGROUND
 What is an Unit testing?
 About Nunit.
“Any Unit Test is better than none”
 How to do the Unit testing with C#?
 Nunit Assertion.
 Nunit Attributes.
 Best Practice
 Advantages
 Disadvantages
 Similar Products.

3. WHAT IS AN UNIT TESTING?
 A unit test is a procedure used to verify that a
particular module of source code is working
“Any Unit Test is better than none”
properly
 Company wants to achieve three related goals
 Faster time-to-market
 Higher quality
 More flexibility

4. ABOUT NUNIT.
 NUnit is an open source unit testing
framework for Microsoft.NET.
“Any Unit Test is better than none”
 It serves the same purpose as JUnit does in
the Java world, and is one of many in
the xUnit family
 Provide both GUI and Console

5. HOW TO DO THE UNIT TESTING WITH C#?
“Any Unit Test is better than none”

6. NUNIT ASSERTION
 Equality
 Identity
“Any Unit Test is better than none”
 Comparison
 Condition
 String

7. NUNIT ATTRIBUTES
 Test Fixture
 Test
“Any Unit Test is better than none”
 Setup
 Teardown
 Test Fixture Setup/ Teardown
 Expected Exception
 Platform
 Category
 Explicit
 Suite
 Ignore

8. BEST PRACTICE
 No conditional logic – Switch, if
 No loops
“Any Unit Test is better than none”
 No exception catching
 Use appropriate method names
 Informative assertion message
 Separation per type

9. ADVANTAGES
 Fast
 Test Isolation
“Any Unit Test is better than none”
 Environment Isolation – Use Mock Objects
 Unit testing gives you a safety net when
programmers refactor or add functionality
 Unit tests can be used as documentation for other
programmers
 Development process becomes more flexible

10. DISADVANTAGES
 Unnecessary Unit Tests can lead to considerably
high maintenance cost to your overall project
“Any Unit Test is better than none”

11. SIMILAR PRODUCTS
Programming Language Unit Testing Tool
Java – J2SE / J2EE Junit
Java – J2ME
“Any Unit Test is better than none”
JMUnit
C CUnit
C++ CppUnit
php PHPUnit
Python PyUnit / py.test