Posts by José Valim

Rafael França joins the Rails Core Team

Last May we happily announced that Rafael França and Carlos Antonio earned commit access to the Ruby on Rails repository – it was a great accomplishment that deserved its own blog post. Today, we have some great news and we want to share with our readers. Just a few days ago, our team mate Rafael … »

Filtering examples in RSpec

It is common for web applications to interface with external services. When testing, since depending on an external service is very fragile, we end up mocking the interaction with such services. However, once in a while, it is still a good idea to check if the contract between your application and the service is still … »

Eager loading for greater good

A couple weeks ago, Aaron Patterson (aka @tenderlove) wrote about getting rid of config.threadsafe! on Rails 4. When discussing multi-process and multi-threaded servers in production, one important aspect of the discussion that came up in the blog post was code loading. This blog post is about which code loading strategies exist in a Rails application, … »

Why your web framework should not adopt Rack API

Or, even better, why your web framework should not adopt a CGI-based API. For the past few years I have been studying and observing the development of different emerging languages closely with a special focus on web frameworks/servers. Unfortunately, most of the new web frameworks are following the Rack/WSGI specification which may be a mistake … »

Improving the integration between Capybara and RSpec

When David Chelimsky was visiting São Paulo in last April, we invited him to go out for some coffee, beers and brazilian appetizers. We had a great time and we talked about different topics like OO, programming languages, authoring books and, as expected, about testing. One of the topics in our testing discussion was the … »

Devise 2.0 released

Devise 2.0 was just released. This version is not a big refactoring, nor contains stellar features, it is simply another step towards a very mature authentication library.