The document discusses various software development methodologies, contrasting the waterfall approach with agile iterations, and highlights concepts like Domain-Driven Design (DDD), Test-Driven Development (TDD), and Behavior-Driven Development (BDD). It emphasizes the significance of using a ubiquitous language in modeling and critiques TDD for potentially undermining architectural integrity. Additionally, it introduces Behat for acceptance testing and references several resources for further exploration of these topics.

1. BDD, using Behat
from Use Case to implementation
Herman Peeren
8 mei 2014, 010PHP

2. Developing software not easy

3. improved a bit over the years:

4. Waterfall

5. Waterfall vs Agile
iterations (sprints)

6. Waterfall vs Agile

12. DDD
TDD
BDD

13. Sapir–Whorf hypothesis
Linguistic relativity:
Structure of a language affects the ways in which its
respective speakers conceptualize their world.
голубой
Wilhelm von Humboldt Franz Boas Edward Sapir

14. Nelleke Verhoeff, Red Cheeks Factory,

15. Nelleke Verhoeff, Red Cheeks Factory,

16. DDD
ubiquitous language:
using the language of the domain you are modeling

17. TDD
Tests afterwards are boring, I like to create new things!

18. TDD
Tests first!

20. Some recent TDD critics
• architecture destroyed by unit-level-tests
• easy to measure doesn’t mean it’s important
David Heinemeier Hansson (‘DHH’)
http://www.confreaks.com/videos/3315-railsconf-keynote
James Coplien (‘Cope’)
www.rbcs-us.com/documents/Why-Most-Unit-Testing-is-Waste.pdf

21. BDD
Dan North
http://dannorth.net/introducing-bdd/
Functional testing

23. Selenium
http://docs.seleniumhq.org/

24. Selenium in PHPUnit
http://phpunit.de/manual/current/en/selenium.html
Acceptence testing

25. Behat
http://behat.org/

26. Behat
• based on Cucumber (Gherkin language)
• given - when - then

27. Behat: define features
steps suggestions

28. define steps

29. Mink
http://mink.behat.org/

30. Codeception
http://codeception.com/
No Gherkin-language, but PHP (new WebGuy)