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. Head of Consulting at Conflux (confluxdigital.net), he specialises in Continuous Delivery, operability and organisation dynamics for software in manufacturing, ecommerce, and online services, including cloud, IoT, and embedded software.
Recognised by TechBeacon in 2018 as one of the top 100 people to follow in DevOps, Matthew curates the well-known DevOps team topologies patterns at devopstopologies.com and is co-author of the books Continuous Delivery with Windows and .NET (O’Reilly, 2016) and Team Guide to Software Operability (Skelton Thatcher Publications, 2016). He is also co-founder at Conflux Books which publishes books for technologists by technologists.
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
The Leanpub 45-day 100% Happiness Guarantee
Within 45 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$10,881,709writing, 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), EPUB (for phones and tablets) and MOBI (for 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
Book of Monads
Alejandro Serrano MenaIn functional programming, at the heart of input/output, failure, state, logic, and much more, lies a powerful abstraction called monad. This book provides a journey from the very first concepts, to the myriad of monads available to programmers, down to the categorical foundations.
- #2
Functional event-driven architecture: Powered by Scala 3
Gabriel VolpeExplore the event-driven architecture (EDA) in a purely functional way, mainly powered by Fs2 streams in Scala 3!
Leverage your functional programming skills by designing and writing stateless microservices that scale, powered by stateful message brokers.
- #3
Functional Programming Made Easier
Charles ScalfaniA Functional Programming book from beginner to advanced without skipping a single step along the way.
In my 40 years of programming, I've felt that programming books always let me down, especially Functional Programming books. So, I wrote the book I wish I had 5 years ago.
Functional Programming will never be easy, but it can be easier.
- #4
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.
- #5
Building Virtual Machine Labs: A Hands-on Guide (Second Edition)
Tony RobinsonThe premise of this book is to provide students a hands-on, go-to resource for building a secure, customizable lab environment in order to enable their own specific pursuits.
- #6
Practical FP in Scala: A hands-on approach
Gabriel VolpeA practical book aimed for those familiar with functional programming in Scala who are yet not confident about architecting an application from scratch.
Together, we will develop a purely functional application using the best libraries in the Cats ecosystem, while learning about design patterns and best practices.
- #7
Introducing EventStorming
Alberto BrandoliniThe deepest tutorial and explanation about EventStorming, straight from the inventor.
- #8
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.
- #9
入門 日本語自然言語処理
Masato Hagiwara and Paul O'Leary McCann日本語テキストを処理したい全てのプログラマ・エンジニアの方へ。分かち書きなどの基本から、自然言語生成などの最新の話題までをカバー。動かして学べるコードや、参照文献も付いています。言語学や機械学習の知識が無くても問題ありません。
- #10
C++20
Rainer GrimmC++20 is the next big C++ standard after C++11. As C++11 did it, C++20 changes the way we program modern C++. This change is, in particular, due to the big four of C++20: ranges, coroutines, concepts, and modules.
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... - #2
Modern C++ Collection
3 Books
Get All about Modern C++C++ Standard Library, including C++20Concurrency with Modern C++, including C++20C++20Each book has about 200 complete code examples. Updates are included. When I update one of the books, you immediately get the updated bundle. You can expect significant updates to each new C++ standard (C++23, C++26, .. ) and also... - #3
Software Architecture for Developers: Volumes 1 & 2 - Technical leadership and communication
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... - #4
The Indie Python Extravaganza
5 Books
The Indie Python Extravaganza! A collection of books that will help you to improve your knowledge of the Python programming language one page at a time. Join four indie authors in a journey from the basics of Python to the structure of production-ready systems, going through the core features of the language, some intermediate projects and a... - #5
The Python Craftsman
3 Books
The Python Craftsman series comprises The Python Apprentice, The Python Journeyman, and The Python Master. The first book is primarily suitable for for programmers with some experience of programming in another language. If you don't have any experience with programming this book may be a bit daunting. You'll be learning not just a programming... - #7
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... - #8
Abandon Your Job - Leaving the Rat Race with Python
8 Books
Now, get all the great Python and Freelancing books from finxter.com in one single bundle!Coffee Break Python - All Python BasicsCoffee Break Python Workbook - Practice the basics of PythonCoffee Break Python Mastery Workouts - Practice advanced Python conceptsCoffee Break Python Slicing - All about SlicingCoffee Break Python NumPy - Get started... - #10
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...
