With this gem your transaction blocks raise an error when they have side effects that cannot be rolled back.

Growing Rails Applications in Practice

Check out our e-book. Learn to structure large Ruby on Rails codebases with the tools you already know and love.

• Introduce design conventions for controllers and user-facing models
• Create a system for growth
• Build applications to last

Read more Show archive.org snapshot

By default it checks whether you're connecting with HTTP, queuing a Sidekiq job or sending an e-mail within a transaction. You can add custom checks, too.

Found in this RubyGuides article Show archive.org snapshot .