mob testing

@maaretp@LlewellynFalco

Amplify Your Impact with Mob TestingMaaret Pyhäjärvi& Llewellyn Falco

27-28 February 2017LONDON

@maaretp@LlewellynFalco

Mob ProgrammingTesting

@maaretp@LlewellynFalco

"All the brilliant people working on the same thing, at

the same time, in the same space, on the same computer."

-- Woody Zuill

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Mobbing Basics

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Driver(no thinking)

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(Designated)

Navigator

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Highest level of abstraction

IntentLocationDetails

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4 minutes

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Retrospectives

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If everyone is contributing or

learningit’s the right size

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2 Ideas?Try Both!

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The best ideas win when we care about work over credit

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#MobProgrammingGuidebook

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(Exploratory) Tester

(Application)Programmer

Test Automator / Programmer

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What Testing gives Us

Auto

mat

ed Te

sting

Expl

orat

ory

Testi

ng

SPECFEEDBACKREGRESSIONGRANULARITY GUIDANCE

UNDERSTANDINGMODELS

SERENDIPITYTesting as

artifact creation

Testing as performance

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(Exploratory) Tester

Mob Testing #1:Exploratory Testing

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Insights&

Serendipity

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On being the best…

vs.Linear Viewpoint

I know everything you do!

You have nothing left to teach me

Reality

I know more than you do!

There is still so much

more I can learn from

you

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Test Automator / Programmer

Mob Testing #2:Automated Testing

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Shared Learning

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Shared Pain

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(Application)Programmer

Mob Testing #3:Production Code

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We raise our collective competence,

allowing individuals to use specialized skills

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Sometimes I’m GOOD

Qua

lity

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Sometimes I’m NOTQ

ualit

y

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My BEST and my

WORST Make it into the work

Qua

lity

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Separate

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Our BEST and our

WORST Make it into the work

Qua

lity

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Pairing

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Qua

lity

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Qua

lity

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Qua

lity

Our BEST Makes it into the work

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Mobbing

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Qua

lity

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Qua

lity

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Qua

lity

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Qua

lity

The BEST of the whole team

makes it into the work

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When you mob

Hard problem Solution

Easy problem Innovation

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“If you were mobbing you wouldn’t have these

problems…”

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Problems that justDisappear…

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Jira

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“The developer came to me and said that it’s done…”

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"Division of labor is a dangerous fiction when all of

your big problems are integration problems”

- @KentBeck

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EGO

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KindnessConsideration

& Respect

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Knowledge loss

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Shared Learning

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First day on the job

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Assumptions

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Knowledge Transfer

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You have great ideas even if you did not know how to

turn them to code

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Thank you.@maaretp

@LlewellynFalco(please connect with us through Twitter or LinkedIn)

Slides:http://www.slideshare.net/llewellynfalco/mob-testing