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14:18
Continuous Integration for Ruby on Rails with GitHub Actions
#316 ·

How to use GitHub Actions for Continuous Integration (CI) with Ruby on Rails
8 1
13:20
How to write System Tests in Rails
#315 ·

System tests allow you to use a browser for testing your Rails app including Javascript
7 7
14:59
How to write Controller & Integration Tests in Rails
#314 · Pro

Learn how to write integration tests in Rails to test controllers and actions
10 0
9:40
How to use Devise Test Helpers
#313 ·

Adding Devise test helpers allows you to quickly login a user for testing controllers in Rails
11 3
13:24
How to use Fixtures to create sample test data
#312 · 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.
14 0
13:02
Test Driven Development Basics
#311 · 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.
23 2
9:44
How to Test Validations in Rails
#310 ·

Learn how to write tests for validations on ActiveRecord objects in Ruby on Rails
25 2
14:25
How to use Multiple Databases in Rails 6.0
#309 ·

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.
13 1
10:17
Handle Race Conditions with Pessimistic Locking
#308 · 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.
7 0
10:54
Preventing Conflicts with Optimistic Locking
#307 · Pro

When things (users, jobs, etc) attempt to update the same record at the same time, we can often lose changes. Optimistic locking uses a lock version number to warn you about updating stale objects so you can handle that safely.
13 1
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