require 'factory_girl' FactoryGirl.define do factory :supplier do name { Faker::Company.name.truncate(30) } phone { Faker::PhoneNumber.phone_number } address { Faker::Address.street_address } ignore do article_count 0 end after :create do |supplier, evaluator| article_count = evaluator.article_count article_count = rand(1..100) if article_count == true FactoryGirl.create_list :article, article_count, supplier: supplier end end end