creating has_many relationships in FactoryGirl

gistfile1.rb

#models/discussion.rb

has_many :posts

#models/post.rb

belongs_to :discussion

#spec/factories/discussions.rb

FactoryGirl.define do
  factory :discussion do
    sequence(:title) { |n|  "My Discussion#{n}" }
    user
    category
#eval is all the attributes on discussion
#need to do it on create so it creates all the discussion attributes correctly first
    after(:create) do |discussion, eval|
       discussion.posts = create_list(:post, 1, user: eval.user, discussion: discussion)
    end
  end
end



#spec/factories/posts.rb

FactoryGirl.define do
  factory :post do
    sequence(:content) { |n| "Hey this is some content #{n}" }
    user
    discussion
  end
end

# good reference:
# http://icelab.com.au/articles/factorygirl-and-has-many-associations/