1. What is
Context-Driven Testing?

2. Who Am I?
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

3. llari Henrik Aegerter
Managing Director – House of Test
VP of Marketing – Association for Software Testing
Beer Brewer
@ilarihenrik
www.houseoftest.ch
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

4. Kiev Observations:
1. There are a lot of нотариус in town
2. Restaurants don‘t have urinals
3. Radio add disclaimers are spoken
incredibly fast
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

5. Context-Driven
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

6. What does it mean to be
“world-class” in testing?
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

7. “A tester is a person who
knows that things can be
different”
Jerry Weinberg
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

8. Find things outside
(or inside) the obvious
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

9. Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

10. Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

11. Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

12. Testing is the art of finding
out what software can do
and where it fails to do what
it claims
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

13. Testing is the art of finding
out what software can do
and where it fails to do what
it claims
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

14. Venn Diagram
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

15. Venn Diagram
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

16. Described
(i.e. requirements
document
∞
Implemented
(incl. unintended
side effects)
∞
Desired
(explicit & implicit)
∞
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

17. Test Case != Testing
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

18. 7 Context-Driven Principles
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

19. 1.
The value of any practice
depends on its context.
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

20. 2.
There are good practices in
context, but there are no best
practices.
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

21. 3.
People, working together, are
the most important part of any
project’s context.
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

22. 4.
Projects unfold over time in
ways that are often not
predictable.
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

23. 5.
The product is a solution. If the
problem isn’t solved, the
product doesn’t work.
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

24. 6.
Good software testing is a
challenging intellectual
process.
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

25. 7.
Only through judgment and
skill, exercised cooperatively
throughout the entire project,
are we able to do the right
things at the right times to
effectively test our products.
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

26. Context-Driven Principles
1. The value of any practice depends on its context.
2. There are good practices in context, but there are no best
practices.
3. People, working together, are the most important part of any
project’s context.
4. Projects unfold over time in ways that are often not
predictable.
5. The product is a solution. If the problem isn’t solved, the
product doesn’t work.
6. Good software testing is a challenging intellectual process.
7. Only through judgment and skill, exercised cooperatively
throughout the entire project, are we able to do the right
things at the right times to effectively test our products.
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

27. Community
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

28. Get into a network of testers
immediately
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

29. Join a Professional
Association
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

30. Go to Meetups
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

31. Automation
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

32. Understand the difference
between Checking and
Experimentation
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

33. How many holes are there in
this t-shirt?
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

34. Software is a
Humano-Technical Android
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

35. TECHNICAL
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

36. Become really good at it
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

37. Understand strengths and
weaknesses of automation and
tool use
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

38. Automation is not
“a better version of testing”
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

39. You cannot automate
human sensemaking
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

40. Understand developers as
your allies
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

41. Tools won’t solve your
problems
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

42. Agile
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

43. Agile is mainly a context
driver for testing.
So “Agile Testing” does not
make a lot of sense
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

44. Understand that analytical
approaches will fail in complex
environments
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

45. Useful Heuristic:
Quick & Easy = Snake Oil
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

46. Wrap Up
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

47. Read a Lot
e.g.
Lessons Learned in Software Testing - Cem Kaner, James Bach, Bret Pettichord
Perfect Software And Other Illusions About Testing - Jerry Weinberg
Tacit and Explicit Knowledge - Harry Collins
Thinking Fast and Slow - Daniel Kahneman
Tempo - Venkatesh Rao
The Structure of Magic - Richard Bandler, John Grinder
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

48. Use your own judgement
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

49. BBST Courses
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

50. Epistemological Anarchy
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

51. Jesse Alford’s Story
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

52. Good Luck on Your
Journey!
Who – Context-Driven – 7 Principles – Community – Automation – Agile – Wrap Up– End

53. And Now Your Questions
Thanks!
@ilarihenrik
www.houseoftest.ch
ilari.aegerter@houseoftest.ch