Given you have an array column like this: create_table "users", force: :cascade do |t| t.integer "movie_ids", default: [], array...
View specs are a powerful tool to test several rendering paths by their cases instead of using a more costing...
The recommended additional setup of the spreewald gem, a useful set of cucumber steps, includes adding a file for defining...
Note Don't use reruns as a mean to work around flaky tests. You should always try to fix those...
You don't want sensitive user data in your logs. Background Rails per default filters sensitive data like...
Besides Plotting graphs in Ruby with Gruff, which comes handy for many uses cases, you sometimes might need configuration for...
Both knapsack and parallel_tests have the option to split groups by historic execution time. The required logs for this...
For my computer science bachelor's thesis I programmed and evaluated a CLI Test Case Prioritization (TCP) tool for makandra...
In CI test runs I noticed that string sorting order changed after switching from a debian-based PostgreSQL docker image...
Rails offers several methods to manage three types of different cookies along with a session storage for cookies. These...
When you write your next CarrierWave uploader, consider processing your images with libvips instead of ImageMagick. Reasons for libvips
We have a long-standing checklist for merge requests. However, it hardly matches the intricate requirements for design. This checklist...
Code splitting is a feature of esbuild that can keep huge libraries out of the main bundle. How code splitting...
As we are slowly switching from Cucumber scenarios to RSpec feature specs, you might be tempted to write assertions like...
I recently noticed that better_errors allows you to to open files from within your favorite editor. However it was...
Debugging your integration tests, that run a headless Chrome inside a docker image, is tricky. In many cases you can...
A convenient way to test SNS Subscription Filter Policies is using an email address as the subscription endpoint. However, for...
Within Capybara you most certainly use the #check- and #uncheck-method to (un)check checkboxes. But there's one problem...
When you allow file uploads in your app, a user might upload content that hurts other users. Our primary concern...
Every Rails response has a default ETag header. In theory this would enable caching for multiple requests to the same...
tl;dr Individual transform properties are great because they allow you to write more readable and maintainable CSS, especially when...
You have an async function that rejects: async function failingFunction() { throw new Error("Something went wrong") } When you call that...
To navigate between test and test subject Rubymine requires you to set the test root sources as Test Sources Root...
Haml 6 was a major rewrite with performance in mind. To achieve a performance improvement of 1.7x, some design...