A JavaScript error in an E2E test with Selenium will not cause your test to fail. This may cause you...
Geordi's cucumber command has a --rerun option that reruns failing tests the given number of times. Usage: geordi cucumber...
If you use transactional_fixtures or the database_cleaner gem with strategy :transaction, after_commit callbacks will not be fired...
If validations failed for a record, and you want to find out if a specific validation failed, you can leverage...
Let's say you have a gem which has the following module: module SuperClient def self.foo 'Foo' end
Migrating data from a legacy into a new system can be a surprisingly large undertaking. We have done this a...
In a project team for a bigger project people have several roles: Developer: at makandra Project lead: at makandra
At makandra, we've built a few gems over the years. Some of these are quite popular: spreewald (> 1M downloads...
As a web developer, you know Google Analytics (GA). Probably you've dropped the GA snippet into more than one...
Why secure-only cookies used to be necessary Cookies have an optional secure flag. It tells the browser to not...
If possible your code should detect features, not browsers. But sometimes you just need to sniff the browser. And when...
When you need to store structured data (like Ruby hashes) in a single database column with ActiveRecord, a simple way...
RSpec let's you chain a matcher with .or. The expectation will then pass if at least one matcher matches...
A matcher is a function that returns an object with a compare key. Usually it is registered with beforeEach...
If your rails application is unable to send mails, it might be useful to debug your settings using the rails...
CarrierWave comes with some RSpec matchers which will make testing more comfortable. Let's say you have an Uploader like...
When you need test images, instead of using services like lorempixel or placehold.it you may generate test images yourself.
For applications coming with lots of stylesheets and scripts, asset compilation might take quite long. This can be annoying when...
You might have some trouble running a Rails LTS 2 app with MySQL 5.7. If you don't want to...
The httpclient gem comes with a custom SSL cert store. While an customizable, application-level cert store is great when...
We often use the Then console step from spreewald in combination with geordi vnc from geordi to debug tests within...
When flagging a spec that will be implemented later as pending, include a failing spec body or RSpec 3 will...
I recently had fun with replacing a custom video plattform ("mycustomtv") in one of our applications. I learned a lot...
When you have a pending Cucumber step (or feature) that also uses an existing VCR cassette, your pending test may...