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Rails provides several real...
Setup your development environment.
Configure your production server.
Learn how to modify production to run websockets.
Rails provides several really useful test helpers for ActionMailer so we can quickly iterate on our design, test that our code queues up the right emails, and make sure our emails contain the right content.
Rails provides several helper methods for testing times and dates in your applications. You can now freeze time and time travel like in the movies!
Learn how to test Active Job in your Ruby on Rails application
Testing integrations with external APIs in your Rails app can be hard. You don't know what requests are being made (or even the responses), so how can you properly mock them out? VCR to the rescue.
Learn how to set up GitHub Actions to run Continuous Integration (CI) with Ruby on Rails
System tests allow you to use a browser for testing your Rails app including Javascript
Learn how to write integration tests in Rails to test controllers and actions
Adding Devise test helpers allows you to quickly login a user for testing controllers in Rails
You can use Fixtures in Rails to create sample database records for your tests to run against. They're easy to setup and extremely quick.
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