How to connect the agile principle "Working software over comprehensive documentation" with eXtreme Programming values of Honest communication and Rapid feedback and practices as TDD, Continuous integration, Whole team and Small releases. We will analyze why blending those ideas and techniques together in the real world, remove any need of upfront documentation and increases quality, communication and confidence.

1. Death to project
documentation with XP

2. Yet Another
Perl
Conference
Europe Fundation 2015

3. Yet Another
Perl
Conference
Europe Fundation 2015

5. “As developer I find project
documentation very useful
and I love to keep it up to date”

6. “As developer I find project
documentation very useful
and I love to keep it up to date”
- no one -
- never -

7. Documentation
is...

8. Documentation
is...
Simply
duplication

9. Requirements
document Emails
Technical
Analysis
Domain model
Test Plan
Task tracker
Code

10. Documentation
is...
Hard to keep
up to date

11. Requirements
document Emails
Technical
Analysis
Domain model
Test Plan
Tasks tracker
Code
Requirements
document
Requirements
documentTechnical
Analysis
Technical
Analysis
Technical
Analysis
Code Code
Code
Test Plan
Domain model
Domain model
Emails
Emails
Emails
Emails
Domain model
Task tracker
Requirements
document
Emails
Test PlanRequirements
document
Requirements
document
Test Plan
Domain model

12. Requirements
document Emails
Technical
Analysis
Domain model
Test Plan
Tasks tracker
Code
Requirements
document
Requirements
documentTechnical
Analysis
Technical
Analysis
Technical
Analysis
Code Code
Code
Test Plan
Domain model
Domain model
Emails
Emails
Emails
Emails
Domain model
Task tracker
Requirements
document
Emails
Test PlanRequirements
document
Requirements
document
Test Plan
Domain model

13. Documentation
is...
Inefficient

15. Documentation
is...
Tedious

16. Simply duplication
Hard to keep up to date
Inefficient
Tedious

17. Simply duplication
Hard to keep up to date
Inefficient
Tedious

18. Documentation
is...
S.H.I.T.

19. What do we want?

20. “Create flow by
eliminating waste”
- Lean Thinking -

21. “Working software
over comprehensive
documentation”
- Agile Manifesto -

22. RTF: Running tested features
http://ronjeffries.com/xprog/articles/jatrtsmetric/

23. “Open, Honest
communication”
- XP Principle -

24. “Rapid feedback”
- XP Principle -

25. How we do it?

26. How we do it?
True Story

27. Cross-functional-flat teams
D
T
B
Developer
Tester
Business Analyst
Product OwnerP
D
D
D
T
B
D
D
D
D
T
B
D
D
D
D
T
B
D
P

28. Cross-functional teams
● Small
● Same table
● Collaborative

29. Cross-functional teams
● Small
● Same table
● Collaborative
Rapid
feedback
Communication

30. Story driven iterations
● Smallest unit of work with value
● Short iterations
● Prioritize every iteration

31. Story driven iterations
Backlog Ready to Dev Ready to Test Ready to Close Release

32. Prioritize Backlog
Backlog Backlog
D
T
B P
● Customer focus
● Business value

33. Prioritize Backlog
Backlog Backlog
D
T
B P
● Prioritize
● Customer focus
● Business valueCommunication
Eliminatewaste
Rapid
feedback
Workingsoftware

34. 3 Amigos
Backlog
B
Ready to Dev
T
D
● Acceptance criteria
● Split stories
● Solve questions

35. 3 Amigos
Backlog
B
Ready to Dev
T
D
● Acceptance criteria
● Split stories
● Solve questions
Rapidfeedback
Communication

36. Development
Ready to Dev Ready to Test
D
● ATDD/TDD
● Pair programming
● CI

37. Development
Ready to Dev Ready to Test
D
● ATDD/TDD
● Pair programming
● CICommunication
Eliminatewaste
Rapid
feedback
Workingsoftware

38. Testing
Ready to Test Ready to Close
● ACs vs AT review
● Exploratory testing
T

39. Testing
Ready to Test Ready to Close
● ACs vs AT review
● Exploratory testing
T
Rapid
feedback
Communication

40. Sign-off
Ready to Test Ready to Release
● ACs + AT review
B
T
D

41. Sign-off
Ready to Test Ready to Release
● ACs + AT review
●
B
T
D
Communication
Eliminatewaste
Rapid
feedback
Workingsoftware

42. Acceptance tests
● Define/prove system behaviour
● Sync and related to code
● Collaborative ownership

44. Q&A
Alex Fernandez
@_alexfdz
alexfdz
afernandeznogueria