[rspec-users] When to use BDD/TDD w/ external libraries

Scott Taylor mailing_lists at railsnewbie.com
Fri Jun 8 02:32:32 EDT 2007

Test First Development is great...But should you use it when you are  
adding classes/methods on to external library that doesn't have an  
extensive test suite?  I noticed that the rspec plugin for autotest  
has no specs.

David Chemlinsky said something to the list a while back that has  
been stewing in my subconscious - that you develop software  
differently using Test First Development/BDD.  I noticed that it  
would be very hard to add a spec library to autotest (I once  
performed some code coverage on it and I believe it was at something  
like 30 or 40 percent.).  So if one wanted to develop something like  
the rspec plugin to autotest, would it be wise to develop it test first?

I'm not sure if anyone else has had this difficulty, or if I'm being  
clear.  Let me know if I should clarify with some examples.



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