Topic: Unit Testing - Documentation

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Unit Testing - Documentation

															Unit testing provides a sort of "living document". Clients and other developers looking to learn
															how to use the module can look at the unit tests to determine how to use the module to fit their needs and 
															gain a basic understanding of the API.
															Unit test cases embody characteristics that are critical to the success of the unit. These
															characteristics can indicate appropriate/inappropriate use of a unit as well as
															negative behaviors that are to be trapped by the unit.
														
													
															A unit test case, in and of itself, documents these critical characteristics, although many software
															development environments do not rely solely upon code to document the product
															in development.


															On the other hand, ordinary narrative documentation is more susceptible to drifting
															from the implementation of the program and will thus become outdated (e.g.
															design changes, feature creep, relaxed practices to keep documents up to date).


Edited by tanushree - 12Nov2007 at 11:37pm


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