factory_girsl-vs-fabrication.rb

require "benchmark/ips"
require "factory_girl"
require "fabrication"
require "mongo_mapper"

class Foo
  include MongoMapper::Document

  key :name
  key :email
end

Fabricator :foo do
  name  { %w[alice bob charlie].sample }
  email { |attrs| sequence { |i| "#{attrs[:name]}-#{i}gmail.com" } }
end

FactoryGirl.define do
  factory :foo do
    name  { %w[alice bob charlie].sample }
    sequence(:email) { |i| "#{name}-#{i}gmail.com" }
  end
end

Benchmark.ips do |x|
  x.config :time => 5, :warmup => 2

  x.report("Fabrication") { Fabricate.build :foo }
  x.report("FactoryGirl") { FactoryGirl.build :foo }
end

Calculating -------------------------------------
         Fabrication       936 i/100ms
         FactoryGirl       586 i/100ms
-------------------------------------------------
         Fabrication    10676.9 (±9.8%) i/s -      53352 in   5.043164s
         FactoryGirl     6320.4 (±10.1%) i/s -      31644 in   5.057256s