Charity Majors
I test in prod
Testing in production is a superpower. It’s our inability to acknowledge it that’s the trouble.
On-Call
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Energy & Environment
Programming Languages
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Internationalization
Open Source
Testing
This issue of Increment looks at how software testing impacts our collaboration, innovation, and code.
Ipsita Agarwal
A test of meaning
For AARP, AutoCAD, Google, and Pinterest, qualitative research can include everything from focus groups to hand-drawn maps.
Tammy Butow
Tests from the crypt
Think of chaos engineering as unit testing your monitoring and alerting—or as exorcising your haunted house.
David MacIver
In praise of property-based testing
Example-based tests hinge on a single scenario. Property-based tests get to the root of software behavior across multiple parameters.
Kent Beck
Testing the boundaries of collaboration
Two experiments—small changes, instantly deployed; and automatically committing code that passes its tests, while deleting what fails—should have gone horribly wrong. They didn’t.
Keyur Govande
Ask an expert: What’s the value of transparency in testing and deployment?
Etsy’s chief architect explains why visibility increases collaboration and builds confidence.
Increment Staff
Testing at scale
Rob Zuber (CircleCI), Greg Bell and Claudiu Coman (Hootsuite), and Scott Triglia (Yelp) talk test suite times, manual versus automated testing, and how to build testing infrastructure.
Increment Staff
The QA Q&A
NPR test engineer Ijeoma Ezeonyebuchi discusses the limits of automation and the unique challenges of mobile testing.
Chris Stokel-Walker
What broke the bank
A disastrous IT migration corrupted 1.3 billion customer records. The culprit was insufficient testing.
Myra Awodey and Karin Tsai
The process: Launching Duolingo’s Arabic language course
How the language-learning app used staggered releases, dogfooding, and a culture of A/B testing everything to ship its first Arabic course for English speakers
Gabe Goldberg
The mainframe mindset
Mainframe systems are complex and critical to the operation of global technology services. With these high stakes, testing mainframe software requires unique tools—and a unique outlook.
Nelson Elhage
Testing as communication
On tests as powerful tools for documenting, translating, and building relationships across people and projects
David Peter
Designing automated tests for React
Practical insights from Mailchimp’s approach to frontend testing
Rushaine McBean
The art and craft of test-driven development
Knowing when and how to use this sometimes controversial (but often beneficial) technique is key.
Glenn Fleishman
Interview: Dorothy Graham
A pioneer software tester speaks about the past, present, and future of the discipline.
