Part of what makes unit testing so engrained into the Ruby culture is that many people begin learning the language through TDD. The Ruby Koans of course deserve much of the credit for that. I hope to bring this same mentality to Objective-C. Today I began working on a port of the Koans using the testing framework Kiwi. As a tease, checkout my reworking of about_asserts.rb. Obviously this example teaches you more about the testing framework than Obj-C. I hope that the Objective-C community will want to pitch in and make this a reality. The project is available on Github.
The project is now up on Github. All are welcome to contribute.