Essential TDDBala Paranj

www.rubyplus.com

Outline• Pre-requisites

• What is Canonical?

• What is a Canonical Structure?

• Coding demo

• Discussion on how to get unstuck

• Car example

• Exercise

• Summary

Pre-requisites

Canonical Test Structure

Canonical

Standard Formula

Given

!

When

!

Then

!

Code

!

Discussion

1. What is the given condition? 2. How do I exercise the system under test? 3. How do I verify the outcome?

!

Car

Exercise

Summary