Using traits in FactoryGirl to do things like add tags to models, or unassociated data that multiple models would share.

gistfile1.md

Using traits in FactoryGirl for things like tags on other models, and so forth.

FactoryGirl.define do
  factory :post do
    title 'New post'
  end

  trait :with_comments do
    after :create do |post|
      FactoryGirl.create_list :comment, 3, :post => post
    end
  end 
end

FactoryGirl.create :post, :with_comments