Bundler allows you to specify the name of the Gemfile you want to bundle with the BUNDLE_GEMFILE environment variable...
To reverse lookup a fixture by its table name and id, use the following approach on ActiveRecord::FixtureSet: table = 'users...
Warning safe_constantize is not safe for unfiltered user input In Rails, the safe_constantize method is a powerful tool...
In development, we store files using ActiveStorage's disk service. This means that stored files are served by your Rails...
tl;dr When a cookie includes an Expires attribute or an HTTP response includes caching headers like Expires or Cache...
In FactoryBot factories, Rails' file_fixture is not available by default. To enable it, include a support module from rspec...
Team C enabled support for description lists in makandracards. Please make sure to add a newline before the definition starting...
Some key highlights and points from the linked article TestProf II: Factory therapy for your Ruby tests. The Problem with...
Text fragments allow linking directly to a specific portion of text in a web document, without requiring the author to...
When Ruby objects are inspected in any modern IRB, some objects (like ActiveRecord instances) are rendered with neat colors and...
Zeitwerk is the new autoloader of Rails. It is mandatory starting with Rails 7.0. Sometimes, a model needs to know...
Rails 7.1 added the normalizes method which can be used to normalize user input. It lets you define the fields...
Slow test suites are a major pain point in projects, often due to RSpec and FactoryBot. Although minitest and fixtures...
While the main goal always is to prevent long-running queries in the first place, automatic timeouts can serve as...
When handling nested hashes the RSpec output is often hard to read. Here the gem super_diff could help.
The ActiveSupport::BroadcastLogger allows you to log to multiple sinks. You know this behavior from from the rails server command...
Starting with ChromeDriver 127, if your application displays a beforeunload confirmation dialog, ChromeDriver will immediately close it. In consequence, any...
You can improve your LIKE / ILIKE search queries in PostgreSQL by adding a GIN index with an operate class ("opclass...
Rails' default logger prefixes each log entry with timestamp and tags (like request ID). For multi-line entries, only the...
Recently I needed to benchmark an Active Record query for performance measurements. I wrote a small script that runs each...
With this command you can run all the spec files which have been edited or added in the current branch...
testing-library are widely used testing utilities libraries for javascript dependent frontend testing. The main utilities provided are query methods...
Whenever you have to deal with randomness in a jasmine test there are some spy strategies to help you out...
Reacting on a class getting added can be done with a mutation observer. Example: const items = document.querySelectorAll('.item') const expectedClass...