Missing model and controller tests script

missing_test.rb

type = ARGV[0]
types = ["model", "controller"]

def strip_down_filename(f,token)
  f.split("/").last.gsub("#{token}.rb","")
end

if !type || !types.include?(type)
  puts "Usage: 'ruby missing_tests.rb [ model|controller ]'"
else
  tests = Dir.glob("test/#{type}s/**/*.rb").map { |f| strip_down_filename(f, "_test") }
  items = Dir.glob("app/#{type}s/**/*.rb").map { |f| strip_down_filename(f, "") }
  (items - tests).each { |m| puts m }
end