Factory Girl Basics

gistfile1.rb

FactoryGirl.define do
  factory :user do # class:User, aliases:[:name1, :name2]
    name "Ruby"
    date_of_birth   { 21.years.ago } # Blocked called lazily at request time
    association_factory_name
    association :commenter, factory: :user, attrib:"value"
    
    factory(:admin_user) do # Inheritance
      admin true
    end
    
    sequence(:name) # Auto-increment, optional initial value
    sequence :email do |n| # Usage: generate :email
      "person#{n}@example.com"
    end
    email  # Generates a new value for the email attribute
    alternate_email { generate(:email) } # Lazy generation
    
    trait :admin do
      is_admin true
      start_at { 1.month.ago }
    end
    factory :week_long_published_story, traits:[:published, :week_long_publishing]
    trait_name

    
    after(:create) do |user, evaluator|
      user.name.upcase! if evaluator.upcased
    end
    
    # create(:user_with_posts, posts_count: 15)
    factory :user_with_posts do
      ignore { post_counts 5 } # Passed attrib to ignore (and reference later)
      after(:create) { build_list(:posts, post_counts }
    end
    
    after(:build || :create || stub) { block }# Callbacks
    before(:build || :create || stub, &:sym_to_proc)
  end
end

user = build(:user, :traitname, attrname:"value") {|u| u.setup_something } # Unsaved
user = create(:user) # Saved
user_attrs = attributes_for(:user)
users = build_list(:user, 25)