A Holistic Approach to Testing in Continuous Delivery

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@lisacrispin
With material from Abby Bangser, Ashley
Hunsberger, Lisi Hocke, Janet Gregory, & more
Copyright 2023 Lisa Cri...

@lisacrispin
A little about me
Co-founder, Agile Testing Fellowship
Testing consultant & trainer
lisa@lisacrispin.com
http...

@lisacrispin
Today I’m talking about:
● Building confidence for continuous delivery/deployment (CD)
● Guiding conversation...

@lisacrispin
Some journeys go wrong
● Slow feedback loops
● Regression failures
● Unexpected impacts
● Technical & testing...

@lisacrispin
What gets in your team’s way?
Stop and think for a minute. What’s the
biggest obstacle for your team being
su...

@lisacrispin
One example from my experience
● Team embraced XP practices – TDD, refactoring, pairing, continuous
integrati...

@lisacrispin
Making frequent small changes confidently takes:
● Collaboration
● Continuous improvement
● Continuous learni...

@lisacrispin
8
Get everyone engaged
Operations
Specialist
Designer
????
Programmer Domain
expert
Tester

@lisacrispin
Guiding conversations with visuals

@lisacrispin
Visualize your pipeline, optimize feedback
Faster feedback
More confidence

@lisacrispin
Do your automated test suites give you confidence?
Confidence
Flaky tests?
Poor
coverage? Hard to
maintain?
H...

https://github.com/ahunsberger/TestSuiteDesign - Ashley Hunsberger

@lisacrispin
Some of my favorite Test Canvas questions
● What information should each suite provide? To
whom? How?
● How w...

@lisacrispin
Mitigating risks with automated regression tests

@lisacrispin
Talking about risk
Risk Storming
(https://riskstormingonline.com)
Traditional risk
analysis
Mind maps

@lisacrispin
Does your team know all the possible risks?
● Customers behave in unexpected ways
● Infrastructure components...

@lisacrispin
Observability
● Ask the questions you didn’t know you’d need to ask - unknowns
● Complex systems fail in comp...

@lisacrispin
Holistic Testing
Janet Gregory
https://janetgregory.ca
/testing-from-a-
holistic-point-of-view/

@lisacrispin
In which stages do you currently get involved?

@lisacrispin
What makes it work?
● Commitment to a level of quality
○ Identifying what’s valuable to customers
○ Bug preve...

@lisacrispin
Cross-discipline pairing, ensemble testing
Picture from Ensemble Programming Guidebook, Maaret Pyhäjärvi

@lisacrispin
We’re humans! (or possibly dragons, donkeys, unicorns…)
Build relationships
● Friendly conversations
● Do foo...

@lisacrispin
Building a quality culture
• Transformative leaders
• Trust and psychological safety
• Whole team ”owns” prod...

@lisacrispin
Principles of CD – Jez Humble & David Farley
● Build quality in
● Work in small batches
● Computers perform r...

@lisacrispin
Get your team together and talk
What are our quality goals? Are we
committed to building quality in?
How can ...

@lisacrispin
A few resources
● ”Agile Testing for the Whole Team” training course, https://agiletestingfellow.com
● Agile ...

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