FactoryGirl bottlenecks

spec_helper.rb

require 'rspec/rails'
# ...

$factories_speed = Hash.new {|h, k| h[k] = {calls: 0, duration: 0} }
ActiveSupport::Notifications.subscribe("factory_girl.run_factory") do |*args|
  event = ActiveSupport::Notifications::Event.new(*args)
  key = "#{event.payload[:strategy]}_#{event.payload[:name]}"
  $factories_speed[key][:calls] += 1
  $factories_speed[key][:duration] += event.duration
end


RSpec.configure do |config|
  config.after(:suite) do
    STDERR.puts Hash[$factories_speed.sort_by { |k, v| v[:duration] }.reverse]
    total_duration = $factories_speed.sum {|k, v| v[:duration] }
    STDERR.puts "Total FactoryGirl duration: #{total_duration}"
  end
end