Coding Dojo: Open-Closed Principle Kata

We'll meet and practice with the Open-Closed Principle kata http://bit.ly/1FT8m4Z by Matteo Vaccari.

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In this style of kata you must follow these rules:

1. Write a failing test.

2. Write a setup that builds a object that makes the tests pass.

3. Write next failing test.

4. Can you make it pass by just changing the setup and creating new classes?

• Yes: Great! Go back to step 3.

• No: Refactor until you can!