factory_girl Build Status Dependency Status

factory_girl is a fixtures replacement with a straightforward definition syntax, support for multiple build strategies (saved instances, unsaved instances, attribute hashes, and stubbed objects), and support for multiple factories for the same class (user, admin_user, and so on), including factory inheritance.

If you want to use factory_girl with Rails, see factory_girl_rails.


You should find the documentation for your version of factory_girl on Rubygems.

See GETTING_STARTED for information on defining and using factories.


gem install factory_girl

or add the following line to Gemfile:

gem 'factory_girl'

and run bundle install from your shell.

Supported Ruby versions

The Factory Girl 3.x series supports Ruby 1.9.x.

For older versions of Ruby, please use the Factory Girl 2.x series.

More Information


Please see the contribution guidelines.


factory_girl was written by Joe Ferris with contributions from several authors, including:

  • Alex Sharp
  • Eugene Bolshakov
  • Jon Yurek
  • Josh Nichols
  • Josh Owens
  • Nate Sutton
  • Josh Clayton
  • Thomas Walpole

The syntax layers are derived from software written by the following authors:

  • Pete Yandell
  • Rick Bradley
  • Yossef Mendelssohn


factory_girl is maintained and funded by thoughtbot, inc

The names and logos for thoughtbot are trademarks of thoughtbot, inc.


factory_girl is Copyright © 2008-2011 Joe Ferris and thoughtbot. It is free software, and may be redistributed under the terms specified in the LICENSE file.