FizzBuzz

An introduction to Test Driven Development (TDD) exercise

Rules of FizzBuzz

• read in a number greater than 0
• return back that number unless
  • the number is divisible by 3 return "FIZZ"
  • the number is divisible by 5 return "BUZZ"
  • the number is divisible by 3 and 5 return "FIZZBUZZ"

Rules of TDD

• start with the test
• you cannot write any production unless it is to fix a failure in the test in the simplest way possible
• you cannot write any more of a test then what gets to a failure failures are syntax errors or a red test
• Red, Green, Refactor