TDD

...or how to develop software in style!

Some basics

Testing is not TDD

Test first is kind of TDD

TDD is software design

Familiar with TDD in ruby?

require "minitest/autorun" !class Foo def great? true end end !describe Foo do it "is great" do Foo.new.great?.must_equal true end end

Done any JavaScript testing?

Ok let’s build the simplest thing possible! !

FizzBuzz

What is important here?

Think what the outcome should be

Implement in the most straightforward way

Make it simpler!

Ok your turn!

Roman Numerals! 1 -> I, 2 -> II 4 -> IV 5 -> V 9 -> IX 10 -> X 40 -> XL 3999 -> MMMCMXCVIV !

npm install jasmine-node -g !

jasmine-node roman.spec.js

How did it go?

Ok those are the basics!