All Lessons / Matching "{"free_eq"=>"false"}"

Testing API Integrations with WebMock

#317 · Oct 23, 2019 Pro

GitHub Actions with Ruby on Rails: Setting up Continuous Integration

#316 · Oct 17, 2019

Learn how to set up GitHub Actions to run Continuous Integration (CI) with Ruby on Rails

How to write System Tests in Rails

#315 · Oct 09, 2019

System tests allow you to use a browser for testing your Rails app including Javascript

How to write Controller & Integration Tests in Rails

#314 · Oct 02, 2019 Pro

Learn how to write integration tests in Rails to test controllers and actions

How to use Devise Test Helpers

#313 · Sep 25, 2019

Adding Devise test helpers allows you to quickly login a user for testing controllers in Rails

How to use Fixtures to create sample test data

#312 · Sep 18, 2019 Pro

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.

Test Driven Development Basics

#311 · Sep 10, 2019 Pro

Test Driven Development, or TDD, is a pretty simple process that allows you to write your code in conjunction with tests to ensure a high level of confidence and code coverage.

How to Test Validations in Rails

#310 · Sep 05, 2019

Learn how to write tests for validations on ActiveRecord objects in Ruby on Rails

How to use Multiple Databases in Rails 6.0

#309 · Aug 27, 2019

With Rails 6.0, you can now define multiple primary and replica databases, define separate migrations for each primary database, and configure each model to read and write from different databases.

Handle Race Conditions with Pessimistic Locking

#308 · Aug 22, 2019 Pro

Race conditions can cause problems with data integrity. We can prevent these issues with Pessimistic Locking in ActiveRecord which uses database row-level locking.