My Road To Test Driven

Development: A Story

Gerard Sychay@oinkpug

08/19/2009

My name is Gerard Sychay.

Zipscene.com

Cincinnati Coworks

Are you unit testing?

Are you developing unit tests first?

(Very) Short introduction to unit testing1.

“Discovering” Test Driven Development2.2.

Dependency Injection FTW!3.

PHPUnit

(Very) Short introduction to unit testing1.

(Very) Short introduction to unit testing1.

(Very) Short introduction to unit testing1.

“Red, green, refactor.”

Discovering Test Driven Development2.

That’s nice, but…

Discovering Test Driven Development2.Discovering Test Driven Development2.

Discovering Test Driven Development2.

Then, one day…

Discovering Test Driven Development2.

Problem: Does this event “exist?”

Discovering Test Driven Development2.

Discovering Test Driven Development2.Business Requirements:

1. If two events have the same name AND same location, they are the same event. Merge.

2. Else, if two events have the same location, AND they occur within 1 hour of each other, they are the same event. Merge.

Discovering Test Driven Development2.

Discovering Test Driven Development2.

Discovering Test Driven Development2.

Discovering Test Driven Development2.

Discovering Test Driven Development2.

Discovering Test Driven Development2.

Discovering Test Driven Development2.Discovering Test Driven Development2.

Discovering Test Driven Development2.Business Requirements:

3. To merge two events, for each field, keep the longer of the two fields. For DateTimes, keep the earlier occurrence.

Discovering Test Driven Development2.

Discovering Test Driven Development2.Discovering Test Driven Development2.

Discovering Test Driven Development2.Discovering Test Driven Development2.

“Is that bug really fixed?”

Discovering Test Driven Development2.

“Hey, I thought that bug was fixed.”

Discovering Test Driven Development2.

Discovering Test Driven Development2.Discovering Test Driven Development2.Discovering Test Driven Development2.

Discovering Test Driven Development2.Discovering Test Driven Development2.

Requirements Driven Development

Discovering Test Driven Development2.

That’s nice, but…

Discovering Test Driven Development2.

Dependency Injection FTW!3.

Dependency Injection FTW!3.

MVC, n’est pas?

Dependency Injection FTW!3.

Dependency Injection FTW!3.

Dependency Injection FTW!

Dependency Injection FTW!3.

Dependency Injection FTW!3.Dependency Injection FTW!3.

Dependency Injection FTW!3.Dependency Injection FTW!3.

Business Requirements:

4. Profit!

Dependency Injection FTW!3.

Thanks!Questions!Comments!

@hellogerardstraylightrun.net

© 2009. Some rights reserved.