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Test-driven development (TDD) is a programming technique that reverses the usual sequence of coding and testing. By writing tests just in advance of the code needed to satisfy them, programmers: * Work with confidence * Work on a series of achievable steps instead of tackling a big problem all at once * Ensure that software design meets the need of the actual code * Leave behind a suite of tests to help preserve the integrity of the code

The Cucumber behavior-driven development framework is appreciated by developers from many languages. It makes it easy to write plain-text stories that run executable Ruby code against your application. In this hour and ten minute screencast, you’ll learn the basics of Cucumber. You’ll learn the syntax, organization, and philosophy of writing...

Il Test-Driven Development (TDD) si è affermato negli ultimi anni come una delle novità più interessanti emerse in seno alla comunità di Extreme Programming (XP). Il TDD costituisce una tecnica di sviluppo molto efficace, ma richiede anche molta pratica per essere padroneggiata appieno. In questo corso il Coach XP, Piergiuliano...

Many prominent Rails developers have jumped on the BDD bandwagon, and with good reason! It’s a great workflow and values clarity, small steps, database-independence, and self-documenting code. If Test::Unit doesn’t make sense to you, or if you want to write better code, this is the place to start. This 55...

Test-first development can improve your workflow, improve the quality of your software, and give you confidence. If you have looked at the “test” directory sitting at the bottom of your Rails applications and have wondered what it’s there for, this is the screencast for you! This screencast walks through the...

By Geoffrey Grosenbach. Technical consultation from RSpec committer David Chelimsky. RSpec 1.1 introduces a new feature…user stories. You can now write plain-text stories that fit into the XP style of development. You can use stories written by customers to execute code against your application, or you may choose to use...

Accessibility on the web has been an issue for over a decade, and it remains a crucial--but often overlooked--element of web design. Instructor Zoe Gillenwater explains the concept of accessibility as it applies to the web, and describes how it affects the audience. She also covers how to set up...