Lessons learned from using Capybara for feature testing

posted in articles

 

Having confidence in your application helps with the aid of great interation tests. For Rails, that means utilizing the Capybara gem for testing features from end-to-end.

While Capybara is a great gem for accomplishing this goal, it can be at time difficult, frustrating, and nuanced in its implementation. I’ve been keeping track of all the tricks I use reguarly and compiled a list of the best ones. Hopefully, this helps give some clarity to a few best practices I use on a daily basis.

Saving Script Output From Heroku to a Local File

posted in today i learned

 

Have you ever needed to gather a large amount of data from your production server but didn't have the script available on the server? You could remote into the server and write the script in rails console but what if the volume of data was in the hundreds of thousands? And you needed it in CSV format? Well, recently I recently discovered a great little command for gathering remote data and saving it to a local file.

How to validate attributes for serialized objects

posted in articles

 

Rail's out of the box validation feature set is fairly rich. You have the validates shortcut DSL which maps to all the default validators. The ability to override those default validators through custom validator classes. Finally, you can also write custom validator methods for specific use cases. For the purpose of this article, we'll focus on custom validator methods.

Jedi or Sith Lord: Ruby's inject method

posted in articles

 

"Remember, a Jedi's strength flows from the Force."

The ruby inject method is a powerful ally in a jedi (ruby) master's arsenal. It is wielded easily to those who train with it and mastered by a jedi with both knowledge of the light and dark side of the force. The light side of inject involves the different usages for the method as well as the basic format of it. The dark side involves inject's power using symbol#to_proc shortcut methods.

A development roadmap for 2016

posted in articles

 

I recently read a blog post by Avdi Grimm about setting realistic expectations for a programming language roadmap. As a developer, constantly learning new skills is a must. While there are a ton of interesting languages to learn (and I would love to learn them all) I had to be realistic and split them into a priority listing.

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