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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.


factory_girl_rails provides Rails integration for factory_girl.

Currently, automatic factory definition loading is the only Rails-specific feature.

Supported Rails versions are listed in Appraisals. Supported Ruby versions are listed in .travis.yml.


Github: http://github.com/thoughtbot/factory_girl_rails


$ gem install factory_girl_rails


Add factory_girl_rails to your Gemfile:

group :development, :test do
  gem 'factory_girl_rails'

Generators for factories will automatically substitute fixture (and maybe any other fixture_replacement you set). If you want to disable this feature, add the following to your application.rb file:

config.generators do |g|
  g.factory_girl false

Default factories directory is test/factories, or spec/factories if test_framework generator is set to :rspec; change this behavior with:

config.generators do |g|
  g.factory_girl dir: 'custom/dir/for/factories'

If you use factory_girl for fixture replacement, ensure that factory_girl_rails is available in the development group. If it's not, Rails will generate standard .yml files instead of factory files.

factory_girl takes an option suffix: 'some_suffix' to generate factories as modelname_some_suffix.rb.

If you use factory_girl for fixture replacement and already have a factories.rb file in the directory that contains your tests, factory_girl_rails will insert new factory definitions at the top of factories.rb.

You may need to configure your test suite to include factory_girl methods; see configuration.


Please see CONTRIBUTING.md.


factory_girl was originally written by Joe Ferris.


factory_girl is maintained and funded by thoughtbot, inc

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


factory_girl_rails is Copyright © 2008-2016 Joe Ferris and thoughtbot. It is free software, and may be redistributed under the terms specified in the LICENSE file.