Latest Free Screencasts

Guard watches files and runs a command after a file is modified. This allows you to automatically run tests in the background, restart your development server, reload the browser, and more.

Request specs in RSpec are a great way to ensure the entire application stack is working properly. Here I also show how to use capybara with integrated JavaScript testing using Selenium.

Pickle adds many convenient Cucumber steps for generating models. Also learn about table diffs in this episode.

Fixtures are external dependencies which can make tests brittle and difficult to read. In this episode I show a better alternative using factories to generate the needed records.

You can improve the readability and remove duplication in RSpec by adding matchers and macros. Learn how in this episode.

Cucumber is a high-level testing framework. In this episode we will create a new Rails application from scratch using behavior driven development.

Controllers are tricky to test, and there's no perfect way to do it. In this episode you will see how I test controllers, and my reasoning behind it.