DevsMeetUp Freiburg: Behavior Driven Development with Behat/Mink

Slides of my Introduction to Behavior Driven Development with Behat/Mink at DevsMeetUp Freiburg 06/2013

Tecnología Empresariales

BDD - Behavior Driven
Development
with Behat/Mink
Developers MeetUp Freiburg 06/2013
Developers MeetUp Freiburg

Developers MeetUp Freiburg
Steffen Müller
/gebrüderheitz GmbH
PHP Software Architect + Developer
@t3node // www.t3node.com

Developers MeetUp Freiburg
“Simple” order form

Developers MeetUp Freiburg
Related functional tests (Selenium)

Developers MeetUp Freiburg
How the complexity felt like
Image by Kyle Lease CC BY-SA 2.0 http://www.flickr.com/photos/kl75214/

Developers MeetUp Freiburg
Focus on requirements
instead of high coverage

Developers MeetUp Freiburg
Behavior Driven
Development

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Behavior What?

Developers MeetUp Freiburg
Analyze
Concept
Test
Coding
Linear progress
Sketch inspired by J. B. Rainsberger:
http://www.jbrains.ca/permalink/how-test-driven-development-works-and-more

Developers MeetUp Freiburg
Analyze Concept
Test Coding
Continuous Iteration
Short
cycles
Sketch inspired by J. B. Rainsberger:
http://www.jbrains.ca/permalink/how-test-driven-development-works-and-more

Developers MeetUp Freiburg
BDD
Building the
right things
TDD
Building the
things right
TDD or BDD?

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Communication
Images by Alberto Sanchis (MisteryCat)
http://misterycat.deviantart.com/
Stakeholder
Developer

Developers MeetUp Freiburg
Ubiquitous Language
User
Customer
Unregistered
user
New customer
Images by Alberto Sanchis (MisteryCat)
http://misterycat.deviantart.com/

Developers MeetUp Freiburg
Feature Description

Developers MeetUp Freiburg
“As a [role]
I want [feature]
so that [benefit]”
Feature Description

Developers MeetUp Freiburg
“As a [role]
I want [feature]
so that [benefit]”
User Story
Feature Description

Developers MeetUp Freiburg
“As a customer
I need a shopping cart
to check my selected products”
Example Feature Description

Developers MeetUp Freiburg
Scenarios / Use cases

Developers MeetUp Freiburg
Scenario: [Use Case]
Given... [Context]
When... [Event]
Then... [Result]
Scenario

Developers MeetUp Freiburg
Scenario: See selected products in the
shopping cart
Given I visit the FooBar shop
And I add a “dishwasher” to my cart
When I go to the shopping cart
Then I should see a “dishwasher”
Example Scenario

Developers MeetUp Freiburg
Scenario: Find a product in the shopping basket
Given I visit the FooBar shop
And I select a “dishwasher”
When I go to the shopping basket
Then I should see a “dishwasher”gherkin
Example Scenario

gherkin
Clearly structured language
Easy to understand
Easy to rephrase
Straightforward syntax
Executable steps
Developers MeetUp Freiburg

Developers MeetUp Freiburg
Behat
A php framework for testing
business expectations

Developers MeetUp Freiburg
Mink
Acceptance test framework
for web applications, written in PHP
Behat
A php framework for testing
business expectations

Resources
BDD Introduction:
http://dannorth.net/introducing-bdd/
Behat/Mink:
http://behat.org/
bInit: kickstarter package for Behat:
https://github.com/t3node/binit
Wynne + Hellesøy (2012):
“The Cucumber Book”
Developers MeetUp Freiburg

Developers MeetUp Freiburg
Thank You!
If you need BDD + Behat/Mink support, send me a mail:
Steffen Müller <bdd@t3node.com>

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