Redis.current will be removed without replacement in redis-rb 5.0. Version 4.6.0 adds deprecation warnings for Redis.current and Redis.current=: `Redis.current...
While we are used to run our JavaScript tests on a test page within our Browser, it's also possible...
I recently was in a weird situation where my (Jest/CLI) tests were referencing a function that was no longer part...
RSpec's let allows you to super into "outside" definitions, in parent contexts. Example: describe '#save' do subject { described_class.new(attributes...
To ensure a consistent code style for JavaScript code, we use ESLint. The workflow is similar to integrating rubocop...
This are the steps I needed to do to add esbuild to an application that used the vanilla rails asset...
Building application assets with esbuild is the new way to do it, and it's great, especially in combination with...
Attaching files to a field that is handled by Carrierwave uploaders (or maybe any other attachment solution for Rails) in...
When Capybara locates elements in the DOM, by default it allows only accessing visible elements -- when you are using a...
Sometimes you need to access a dev server running on localhost from another machine that is not part of the...
RSpec Rails can automatically mix in different behaviors to your tests based on their type tag, for example enabling you...
You can use RSpec::Matchers.define_negated_matcher to define a negated version of an existing matcher. This is particularly useful...
Jasmine has spyOnProperty(), but it only works if the property is implemented using getter and setter functions. This is a...
Modern versions of Capybara include a finder method #ancestor which allows you to find a parental element using CSS or...
Jasmine is a great way to unit test your JavaScript components without writing an expensive end-to-end test for...
A flaky test is a test that is often green, but sometimes red. It may only fail on some PCs...
If you want Sidekiq to be able to talk to Redis on staging and production servers, you need to add...
Within development and test environments, Rails is usually configured to show a detailed debug page instead of 404s. However, there...
This RailsCast demonstrated a very convenient method to activate VCR for a spec by simply tagging it with :vcr.
RSpec is smart when using the include-matcher in combination with .not_to. One could assume that .not_to include...
Sometimes a link or input field has no visible label. E.g. a text field with a magnifying glass icon 🔎 and...
The RSpec matcher tests if two HTML fragments are equivalent. Equivalency means: Whitespace is ignored Types of attribute quotes are...
We are using Spring in our tests for sequential test execution but not for parallel test execution. And Rails requires...
Our gem spreewald supports a few helpers for development. In case you notice errors in your Cucumber tests, you might...