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1. @maaretp http://maaretp.com
Mob Testing
Lessons from aYear of
#MobTesting
by Maaret Pyhäjärvi

2. @maaretp http://maaretp.com
So, What is Mob Testing
(and Programming)
Let’s Define the Basics

3. @maaretp http://maaretp.com
"All the brilliant people working on
the same thing, at the same time, in
the same space, on the same
computer." -- Woody Zuill

4. @maaretp http://maaretp.com
Mob Testing is
Mob Programming so that:
• You’re a tester in a mob
programming team
OR
• Activity you mob on is testing

5. @maaretp http://maaretp.com
Mobbing Setup and Roles
Driver
Navigators
Designated
Navigator
Facilitator

6. @maaretp http://maaretp.com
Strong-Style Navigation
“For an idea to go from your
head to the computer it must
go through someone else’s
hands”
*http://llewellynfalco.blogspot.fi/2014/06/llewellyns-strong-style-pairing.html

7. @maaretp http://maaretp.com
Yes, and…

8. @maaretp http://maaretp.com
Kindness,
Consideration and
Respect

9. @maaretp http://maaretp.com
Observations
Retrospective
ONE IDEA
PER STICKY
NOTE
CAPITAL
LETTERS
EASY
TO
READ
FEW
WORDS
Lowercase
letters
Don’t write
in cursive
or in biro
Avoid writing too
much on one single
note as it takes a
while for people to
read the whole thing!
• IDEA 1
• IDEA 2
• IDEA 3
≠
≠
≠
≠

10. @maaretp http://maaretp.com
My Mob Testing
Experience
Working and Teaching in a Mob

11. @maaretp http://maaretp.com
A Non-Programmer Meets
Mob Programming

12. @maaretp http://maaretp.com
An All-Female Hackathon

13. @maaretp http://maaretp.com
Teaching Exploratory Testing
in a Mob

14. @maaretp http://maaretp.com
Cognitive
Dissonance

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Correcting
Mistakes without
Egos in Play

16. @maaretp http://maaretp.com
Stealth
Exploration

17. @maaretp http://maaretp.com
My Developers
Get Exploratory
Testing!

18. @maaretp http://maaretp.com
Progress with
Team Test
Automation

19. @maaretp http://maaretp.com
Exploring in a Mob
Creating a varied learning experience

20. @maaretp http://maaretp.com
Testers acquire a lot of
implicit knowledge

21. @maaretp http://maaretp.com
Introducing
concepts, ideas
and tools

22. @maaretp http://maaretp.com
Vocalizing your
ideas

23. @maaretp http://maaretp.com
Emotions through
Trigger Words

24. @maaretp http://maaretp.com
Mapping
Coverage, Bugs
and Questions

25. @maaretp http://maaretp.com
Building habits and
transferring skills
over
passing knowledge

26. @maaretp http://maaretp.com
What Testing gives Us
UnitTesting
ExploratoryTesting
SPEC
FEEDBACK
REGRESSION
GRANULARITY
GUIDANCE
UNDERSTANDING
MODELS
SERENDIPITYTesting as
artifact
creation
Testing as
performance

27. @maaretp http://maaretp.com
Before
implementing
While
implementing
Before
production
While in
production
Testing as
artifact creation
Testing as
performance
(exploration)
Ways to think of testing peak at different moments with regards to adding a capability
TOTALS
Mob on Any Testing Activity!

28. @maaretp http://maaretp.com
Product is my external
imagination
I am my developer’s external imagination

29. @maaretp http://maaretp.com
The Usual Concerns
Wouldn’t we get more done individually?

30. @maaretp http://maaretp.com
It’s NOT this!

31. @maaretp http://maaretp.com

32. @maaretp http://maaretp.com
Best ideas win
when you care
about work over
credit

33. @maaretp http://maaretp.com
From technical
debt to technical
assets

34. @maaretp http://maaretp.com
Best face
forward in a group

35. @maaretp http://maaretp.com
Building
psychological
safety

36. @maaretp http://maaretp.com
You have great ideas even
if you did not know how
to turn them to code –
removing the distance is
worth the struggle.

37. @maaretp http://maaretp.com

38. @maaretp http://maaretp.com
Maaret Pyhäjärvi
Email: maaret@iki.fi
Twitter: @maaretp
Web: maaretp.com
Blog: visible-quality.blogspot.fi
(please connect with me through
Twitter or LinkedIn)

39. @maaretp http://maaretp.com