Crystalball is a Ruby library which implements Regression Test Selection mechanism originally published by Aaron Patterson. Its main purpose is to select a minimal subset of your test suite which should be run to ensure your changes didn't break anything.
Add this line to your application's Gemfile:
group :test do gem 'crystalball' end
And then execute:
Or install it yourself as:
$ gem install crystalball
Please see our official documentation.
After checking out the repo, run
bin/setup to install dependencies. Then, run
rake spec to run the tests. You can also run
bin/console for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run
bundle exec rake install.
Bug reports and pull requests are welcome on GitHub at https://github.com/toptal/crystalball. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.
Crystalball is released under the MIT License.