Team Guide to Software Testability
Team Guide to Software Testability
Better software through greater testability
About the Book
Learn practical insights on how testability can help bring teams together to observe, control and understand the systems they build, enabling them to better meet customer needs, and achieve a transparent level of quality and predictability of delivery.
The Team Guide to Software Testability is the third guidebook in the collection from Conflux Books.
The ‘Team Guide’ collection is designed to help teams building and running software systems to be as effective as possible. Guides are curated by experienced practitioners and emphasise the need for collaboration and learning, with the team at the centre.
About the Authors
Bundles that include this book
About the Contributors
Manuel Pais is an independent DevOps and Delivery Consultant, focused on teams and flow.
With a diverse experience including development, build management, testing and QA, Manuel has helped large organizations in finance, legal, and manufacturing adopt test automation and continuous delivery, as well as understand DevOps from both technical and human perspectives.
Manuel is co-author of the Team Guide to Software Releasability book and lead editor for the remaining books in the Team Guide series.
Matthew Skelton is co-author of Team Topologies: organizing business and technology teams for fast flow. Recognised by TechBeacon in 2018, 2019, and 2020 as one of the top 100 people to follow in DevOps, Matthew curates the well-known DevOps team topologies patterns at devopstopologies.com. He is Head of Consulting at Conflux and specialises in Continuous Delivery, operability, and organisation dynamics for modern software systems.
Table of Contents
- Team Guides for Software
- Conflux Books
- Acknowledgements
- Praise for Software Testability
- Exercises
-
Introduction
- Why is testability important?
- What does hard-to-test feel like?
- What does testable feel like?
- What leads to testability being neglected?
- What is covered in this book?
- How to use this book
- Why we wrote this book
- Feedback and suggestions
-
1. Set a pragmatic direction for improving testability using trade-off sliders
- 1.1 Overcome common challenges to setting a team testability focus
- 1.2 Exercise: do the Team Test for Testability for a quick testability health check
- 1.3 Exercise: use Trade-Off Sliders to guide your testability focus
- 1.4 Summary
-
2. Create testability targets to improve interactions with dependencies
- 2.1 Recognize needs and contributions from different roles to create an effective testability mindset
- 2.2 Exercise: employ Testability Dependency Targets to improve interactions with dependent teams and systems
- 2.3 Summary
-
3. Adopt testability mapping to expose hard-to-test architectures
- 3.1 Poor architectural testability causes slow feedback and flawed decisions
- 3.2 Identify the symptoms of poor architectural testability
- 3.3 Exercise: Use testing smells to diagnose poor architectural testability
- 3.4 Exercise: adopt testability mapping to measure testing feedback and waste
- 3.5 Summary
-
4. Apply the CODS model to increase architectural testability for faster feedback
- 4.1 Explicitly design your architecture for testability
- 4.2 Principles of implementing high testability architectures
- 4.3 Exercise: Use ‘CODS’ to increase architectural testability
- 4.4 Moving from hard-to-test to high architectural testability
- 4.5 Summary
-
5. Adopt ephemeral development environments for fast feedback
- 5.1 Common challenges with static test environments
- 5.2 Use your development environment for fast feedback
- 5.3 Exercise: Use the Agile Test Quadrants to extend testing in your development environment
- 5.4 Summary
-
6. Use production data to enhance your testing strategy
- 6.1 Static test strategies cause problems in dynamic production environments
- 6.2 Exercise: employ data from production to keep your test strategy relevant
- 6.3 Use deploy and release patterns for feedback on high risk changes
- 6.4 Summary
-
7. Use team testing reviews to enable sustainable delivery
- 7.1 Testing debt affects wellbeing and sustainable delivery
- 7.2 Adopt a whole-team approach to minimizing testing debt
- 7.3 Exercise: use the 10 P’s of Testability to track team testing culture
- 7.4 Exercise: adopt incident reviews to target testability improvement actions
- 7.5 Create a board to visualize & prioritize testing debt
- 7.6 Summary
- Terminology
-
References
- Chapter 1 - Testability Priorities
- Chapter 2 - Testability and Dependencies
- Chapter 3 - Testability Mapping
- Chapter 4 - Architectural Testability
- Chapter 5 - Ephemeral Development Environments
- Chapter 6 - Use Production to Enhance Test Strategy
- Chapter 7 - Team Testing Reviews for Sustainable Testability
-
Appendix - Notes on 10 P’s of Testability
- 1 - People
- 2 - Philosophy
- 3 - Product
- 4 - Process
- 5 - Problem
- 6 - Project
- 7 - Pipeline
- 8 - Productivity
- 9 - Production Issues
- 10 - Proactivity
- About the authors
- Index
About the Publisher
This book is published on Leanpub by Conflux Books
Conflux Books publishes books for the global technology community from experienced practitioners.
The Leanpub 60-day 100% Happiness Guarantee
Within 60 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.
See full terms
Do Well. Do Good.
Authors have earned$11,820,291writing, publishing and selling on Leanpub, earning 80% royalties while saving up to 25 million pounds of CO2 and up to 46,000 trees.
Learn more about writing on Leanpub
Free Updates. DRM Free.
If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).
Most Leanpub books are available in PDF (for computers) and EPUB (for phones, tablets and Kindle). The formats that a book includes are shown at the top right corner of this page.
Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.
Learn more about Leanpub's ebook formats and where to read them
Top Books
- #1
Stratospheric
Tom Hombergs, Björn Wilmsmann, and Philip RiecksFrom Zero to Production with Spring Boot and AWS. All you need to know to get a Spring Boot application into production with AWS. No previous AWS knowledge required.
Go to stratospheric.dev for a tour of the contents.
- #2
OpenIntro Statistics
David Diez, Christopher Barr, Mine Cetinkaya-Rundel, and OpenIntroA complete foundation for Statistics, also serving as a foundation for Data Science.
Leanpub revenue supports OpenIntro (US-based nonprofit) so we can provide free desk copies to teachers interested in using OpenIntro Statistics in the classroom and expand the project to support free textbooks in other subjects.
More resources: openintro.org.
- #3
node-opcua by example
Etienne RossignonGet the best out of node-opcua through a set of documented examples by the author himself that will allow you to create stunning OPCUA Servers or Clients.
- #4
Advanced Web Application Architecture
Matthias NobackThe missing manual for making your web applications future-proof
- #5
C++20 - The Complete Guide
Nicolai M. JosuttisAll new language and library features of C++20 (for those who know previous C++ versions).
The book presents all new language and library features of C++20. Learn how this impacts day-to-day programming, to benefit in practice, to combine new features, and to avoid all new traps.
Buy early, pay less, free updates.
Other books:
- #6
Ansible for DevOps
Jeff GeerlingAnsible is a simple, but powerful, server and configuration management tool. Learn to use Ansible effectively, whether you manage one server—or thousands.
- #7
R Programming for Data Science
Roger D. PengThis book brings the fundamentals of R programming to you, using the same material developed as part of the industry-leading Johns Hopkins Data Science Specialization. The skills taught in this book will lay the foundation for you to begin your journey learning data science. Printed copies of this book are available through Lulu.
- #8
Thinking with Types
Sandy MaguireThis book aims to be the comprehensive manual for type-level programming. It's about getting you from here to there---from a competent Haskell programmer to one who convinces the compiler to do their work for them.
- #9
Maîtriser Apache JMeter
Philippe Mouawad, Bruno Demion (Milamber), and Antonio Gomes RodriguesToute la puissance d'Apache JMeter expliquée par ses commiteurs et utilisateurs experts. De l'intégration continue en passant par le Cloud, vous découvrirez comment intégrer JMeter à vos processus "Agile" et Devops.
If you're looking for the newer english version of this book, go to Master JMeter : From load testing to DevOps
- #10
D3 Start to Finish
Peter CookD3 Start to Finish shows you how to build a custom, interactive and beautiful data visualisation using the JavaScript library D3.js (versions 6 & 7).
The book covers D3.js concepts such as selections, joins, requests, scale functions, events & transitions. You'll put these concepts into practice by building a custom, interactive data visualisation.
Top Bundles
- #1
CCIE Service Provider Ultimate Study Bundle
2 Books
Piotr Jablonski, Lukasz Bromirski, and Nick Russo have joined forces to deliver the only CCIE Service Provider training resource you'll ever need. This bundle contains a detailed and challenging collection of workbook labs, plus an extensively detailed technical reference guide. All of us have earned the CCIE Service Provider certification... - #3
Pattern-Oriented Memory Forensics and Malware Detection
2 Books
This training bundle for security engineers and researchers, malware and memory forensics analysts includes two accelerated training courses for Windows memory dump analysis using WinDbg. It is also useful for technical support and escalation engineers who analyze memory dumps from complex software environments and need to check for possible... - #4
All the Books of The Medical Futurist
6 Books
We put together the most popular books from The Medical Futurist to provide a clear picture about the major trends shaping the future of medicine and healthcare. Digital health technologies, artificial intelligence, the future of 20 medical specialties, big pharma, data privacy, digital health investments and how technology giants such as Amazon... - #5
Software Architecture
2 Books
"Software Architecture for Developers" is a practical and pragmatic guide to modern, lightweight software architecture, specifically aimed at developers. You'll learn:The essence of software architecture.Why the software architecture role should include coding, coaching and collaboration.The things that you really need to think about before... - #6
Practical FP in Scala + Functional event-driven architecture
2 Books
Practical FP in Scala (A hands-on approach) & Functional event-driven architecture, aka FEDA, (Powered by Scala 3), together as a bundle! The content of PFP in Scala is a requirement to understand FEDA so why not take advantage of this bundle!?
