One peculiarity of Ruby that trips up a lot of programmers migrating from other languages is the fact that while it has true and false types, they don't share a […]
Episode #594
Test Substitute
Join guest chef Nathan Ladd to learn about a third way between full-stack and mocked-out isolation testing: test substitutes that are maintained alongside a production API.
Episode #593
Presenter and View
Join sous-chef Federico Iachetti to dive a little deeper into the Presenter Pattern for organizing web app views! Today you’ll see how giving presenters access to the View object opens …
Episode #592
Set
Ruby's Arrays are remarkably flexible and useful data structures, but they aren't always the right choice. Learn how using a data abstraction that enforces uniqueness can prevent bugs, while making …
Episode #591
Dynamic Inspect
When it comes to debugging, you can fight with Ruby's dynamic nature... Or you can embrace it. A little just-in-time metaprogramming can give you a clear window into unexpected behavior.
Episode #590
Communicative Assertion
Tests can be communicative from multiple angles. How well does your assertion state intent when we read the code? On failure, does your message point us in the right direction?
Episode #589
Mixed Argument Struct
Ruby is all about giving coders choices. What if you could give users of your code the choice between positional or keyword arguments, or some mix of the two? Let's …
Episode #588
Keyword Argument Struct
The quickness and convenience of Ruby Struct with the expressiveness of keyword arguments? Learn how to make the most of this relatively recent Ruby addition.
Episode #587
Clarify Test Comparison
A test is only helpful if you can understand its failures. In today's episode, I'll show you one of my favorite techniques for making test output readable and intent-revealing.
Episode #586
Don’t Use Greater-Than
You know there are some programming language features you're just not supposed to use: goto. Global variables. The greater-than operator. Wait, the greater-than operator?! Find out why, in this guest …