BDD WITH ``TICKSPEC``Anne Marie King, James Banton, Phillip Trelford

@anniejking, @ptrelford

http://tickspec.com

2010

ENTERPRISE APPLICATIONS

AGILE MANIFESTO

Individuals and interactions over processes and tools

Working software over comprehensive documentation

Customer collaboration over contract negotiation

Responding to change over following a plan

COLLABORATION

Customers

Business AnalystTesters

Developer

USER STORIES

ACCEPTANCE TEST SCENARIO

Refunded items should be returned to stock

Given a customer buys a black jumper And I have 3 black jumpers left in stock When he returns the black jumper for a

refund Then I should have 4 black jumpers in stock

TEST DRIVEN DEVELOPMENT (TDD)

Or Specify Unit Tests First

Pros Quality Regression

Cons Developer focused

BEHAVIOUR DRIVEN DEVELOPMENT (BDD)

Or Specify System Behaviour First

Pros Business focused Quality Regression

Cons Adds layer of indirection

BDD FRAMEWORKS

Execute Specifications against Systems

BDD FRAMEWORKS

Execute Specifications against Systems

Internal DSL FsSpec FsUnit NaturalSpec

External DSL SpecFlow StorEvil TickSpec

TICKSPEC

TICKSPEC DESIGN GOALS

Platform for Innovation Low Friction Lightweight Extensible Framework

Support & Leverage F# Tick methods Modules Active Patterns

Support major test frameworks NUnit, xUnit, MbUnit Silverlight Unit Test Framework

DEMO

AGILE DEVELOPMENT

Define User Stories

Define Acceptance Tests

Code to Acceptance Tests

Confirm Acceptance Tests

WHAT NEXT?

Liz Keogh

An Introduction to BDD

Mark Crowther

Specification By Example

Dec 1st Dec 7th

Q & A: THE SLAUGHTERED LAMB