RSpec Archives

Ruby on Rails

Custom Rspec Matcher for N+1 Queries in Rails

N+1 queries are quick to sneak in and can wreak havoc on performance. This approach will help you find them quickly, write the test, and preload correctly.

Ruby

Automating Artifact Generation on Capybara(-Webkit) Failures with Autopsy

Reviews common process of investigating test failures and the Autopsy gem for automating generating useful artifacts.

Extracurricular Activities

Hacking EVE, Part 1 – Reading SDD Data

An introduction to using ActiveRecord and RSpec to read EVE's static data dump from a MySQL database.

Web Apps

A CSS Naming Convention for JavaScript

We’ve found CSS classes used to connect JS to the DOM are best kept separate from css classes intended for visual style and layout.

Ruby

Using the RSpec Around Hooks

RSpec gives you multiple hooks to facilitate setup and tear-down of your specs. Using an around hook gives you the ability to DRY up your spec_helper.

Ruby

Easier Debugging with capybara-screenshot

How I've used capybara-screenshot to work through some perplexing test failures.

Ruby

RSpec: Thank You for Running My Tests in Random Order

Running your tests in random order will increase their robustness. You can now configure RSpec to do just that.

Web Apps

These Intermittent Test Failures Will Not Stand, Man

I rid a large test suite of intermittent failures. Here are some of the causes of the random failures and what I did to prevent them from failing.

C & C++

Comparing googlemock to Mocha

Compares unit testing with mock objects in googlemock to RSpec/Mocha, highlighting the differences for someone used to higher-level languages like Ruby.

Ruby

RSpec Backtrace Filtering

Recently I ran into some trouble with the way I was trying to use the Mongoid gem. Eventually I realized that RSpec was filtering out parts of my backtrace.

Ruby

Testing Top-Level Methods in Ruby with RSpec

Ruby