Authoring a client library for an upstream service is often challenging, but testing and preventing regressions against upstream API changes is sometimes impossible. This post discusses using RSpec example metadata filtering as a way to test against different c...

If you have ever written a Ruby application that interacts with git, you are probably already aware of the pains of testing such behavior. As if checking if git is installed at the proper version and catching all the crazy typos was not enough, git's algorithm'...

Okay, now that I'm done ranting about how to Unit test, let's move onto Chef. I spoke at Chef Summit a few months ago and received a lot of questions about ChefSpec. It's very difficult to demonstrate the value in a Unit test when everyone is thinking at a high...

Let's talk about testing. Testing is fun, it's awesome, and if you want to be agile, it's a necessity. But chances are, you're doing it wrong. Before we dive into Chef, let's look at a small Ruby example. Consider a class writes a downloads an HTML page from a ...