FactoryGirl and polymorphic associations

Question

The design

I have a User model that belongs to a profile through a polymorphic association. The reason I chose this design can be found here. To summarize, there a

Answer 1

It seems that polymorphic associations in factories behave the same as regular Rails associations.

So there is another less verbose way if you don't care about attributes of model on "belongs_to" association side (User in this example):

# Factories
FactoryGirl.define do
  sequence(:email) { Faker::Internet.email }

  factory :user do
    # you can predefine some user attributes with sequence
    email { generate :email }
  end

  factory :artist do
    # define association according to documentation
    user 
  end
end

# Using in specs    
describe Artist do      
  it 'created from factory' do
    # its more naturally to starts from "main" Artist model
    artist = FactoryGirl.create :artist        
    artist.user.should be_an(User)
  end
end

FactoryGirl associations: https://github.com/thoughtbot/factory_girl/blob/master/GETTING_STARTED.md#associations