A library for setting up Ruby objects as test data.

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README.md

factory_bot

factory_bot 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_bot with Rails, see factory_bot_rails.

Interested in the history of the project name?

Transitioning from factory_girl?

Check out the guide.

Documentation

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

See GETTING_STARTED for information on defining and using factories. We also have a detailed introductory video, available for free on Upcase.

Install

Add the following line to Gemfile:

gem 'factory_bot'

and run bundle install from your shell.

To install the gem manually from your shell, run:

gem install factory_bot

Supported Ruby versions

Supported Ruby versions are listed in .github/workflows/build.yml

More Information

Useful Tools

FactoryTrace - helps to find unused factories and traits.

Contributing

Please see CONTRIBUTING.md.

factory_bot was originally written by Joe Ferris and is maintained by thoughtbot. Many improvements and bugfixes were contributed by the open source community.

License

About thoughtbot

factory_bot is maintained and funded by thoughtbot, inc. The names and logos for thoughtbot are trademarks of thoughtbot, inc.

We love open source software! See our other projects or hire us to design, develop, and grow your product.