You can now read Rails Testing Handbook, a hands-on guide to building better Rails apps with confidence using behavior-driven development on your Kindle: https://semaphoreci.com/blog/2018/06/20/rails-testing-handbook--on-kindle.html
A feature that helps you to automate parallelizing your RSpec and Cucumber tests in a few clicks is now available to everyone. It has helped many teams to reduce their Rails CI build times by as much as 2 hours. Read the post to learn more and try it: https://semaphoreci.com/blog/2018/06/07/automated-parallel-testing-for-rails-available-to-all.html
Learn best practices for building sustainable web apps with behavior-driven development:
Learn about patterns that can help you use factories more effectively with examples based on Ruby’s FactoryBot.
Kajabi has a 10-minute CI build for 100k lines of Rails code. Find out how they run Rails tests in parallel with Semaphore Boosters.
If N+1 queries are making your Rails app painfully slow, read this article to learn how to eliminate them from your project.