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You know when you accidentally do a stupid thing like running tests against a database with data in it and you loose the data because your test suite cleans the database before running? Table flip lets you safeguard against that if you're using Sequel as your ORM.

Add this line to your application's Gemfile:

gem "table-flip"

And then execute:

$ bundle

Or install it yourself as:

$ gem install table-flip

# spec/spec_helper.rb
require "table_flip"

RSpec.configure do |config|
  # ...
  TableFlip.new(Sequel::Model.db).check!
  # ...
end

This will raise a TableFlip::DBNotEmptyError if the database contains any records. If you really really really want to wipe it anyway, you can run your command with an easy to remember environment variable:

WIPE_DB_YES_I_REALLY_REALLY_KNOW_WHAT_IM_DOING=true rspec

After checking out the repo, run bin/setup to install dependencies. Then, 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. To release a new version, update the version number in version.rb, and then run bundle exec rake release to create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

1. Fork it ( https://github.com/heroku/table-flip/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request