TDD er død. Lenge leve TDD!

Kjetil Klaussen

Capitech AS

Hva

Hvordan

Nekrolog

Test-Driven Development

Kunsten å velge

enkleløsninger

Kunsten

å kunne

endre

mening

Plan APlan BPlan C

First, solve the problem.

Then, write the code.

— John Johnson

Rød

GrønnRefaktorer

Make it work.

Make it right.

Make it fast.

- Kent Beck

Kode

Debug

Debug-Driven Development

Debug

Be humble about what

tests can achieve.

Tests don’t improve

quality: developers do.

- James O. Coplien

System-tester

If it doesn’t work,

it doesn’t matter how

fast it doesn’t work.

— Mich Ravera

Backend

IIS Apache Node

RDBMS NoSQL ESB

Frontend MobilWeb Windows

NTFS

Enhetstester

Backend C# Java Ruby Python JavaScript

Storage RDBMS NoSQL ESB MSMQ RabbitMQ

Frontend

AndroidWeb

JavaScript

HTML/CSS

WPF

XAML

C#

XML

Java

TCP Named pipesHTTP Web Sockets

TCP Named pipesHTTP Web Sockets

HTML/CSS XAML XML GUI

UI

Backend C# Java Ruby Python JavaScript

Frontend

AndroidWeb

JavaScript

WPF

C# Java

TDD: Test-først enhetstesting

Backend C# Java Ruby Python JavaScript

Frontend

AndroidWeb

JavaScript

WPF

C# Java

Proxy Facade

Mediator Strategy Factory Facade State

Observer Composite Strategy Visitor

Repository Adapter Factory Memento

Ekte vare Billig kopi

Backend C# Java Ruby Python JavaScript

Controller

RequestModel

ResponseModel

Repository

Domenemodell

x

y

z

Funksjonelle tester

BDDBehaviour-Driven Dev

ATDDAcceptance Test-Driven Dev

SbESpecification by Example

SDDStorytest-Driven Dev

AATAgile Acceptance Testing

EDDExample-Driven Dev

Backend C# Java Ruby Python JavaScript

Storage RDBMS NoSQL ESB MSMQ RabbitMQ

Frontend

AndroidWeb

JavaScript

HTML/CSS

WPF

XAML

C#

XML

Java

TCP Named pipesHTTP Web Sockets

TCP Named pipesHTTP Web Sockets

Stop obsessing about

unit tests, embrace

backfilling of tests

when you're happy with

the design, and strive for

overall system clarity

as your principle pursuit.

- David Heinemeier Hansson

Backend C# Java Ruby Python JavaScript

Storage RDBMS NoSQL ESB MSMQ RabbitMQ

Frontend

AndroidWeb

JavaScript

HTML/CSS

WPF

XAML

C#

XML

Java

TCP Named pipesHTTP Web Sockets

TCP Named pipesHTTP Web Sockets

Verktøy & Bibliotek

Enhetstesting

• C#

• XUnit.net

• NCrunch

• TestDriven.Net

• JavaScript

• Jasmine

• Karma

• Karma Test Adapter for Visual Studio

• PhantomJS

Funksjonelle tester

• SpecFlow

• Coypu

• Firefox

Any fool can write code

that a computer can

understand.

Good programmers write

code that humans can

understand.

- Martin Fowler

Takk!kjetil.klaussen@gmail.com

kjetilk.com

@kjetilkl

no.linkedin.com/in/kjetilk