TDD-Ruby.md

mkdir tdd && cd tdd

bundle init

vim Gemfile

# A sample Gemfile
source "https://rubygems.org"

gem "rspec"
gem "guard"
gem "guard-rspec"

rspec --init


guard init rspec

guard

mkdir spec/lib lib

vim spec/lib/my_class_spec.rb

require "spec_helper"
require "my_class"

describe MyClass do
  context "#new" do
    it "should initialize a new myclass" do
      my_class = MyClass.new
      my_class.my_value.should eq("test")
    end
  end
end

vim lib/my_class.rb

class MyClass
  attr_accessor :my_value

  def initialize
    @my_value = "test"
  end
end