The Impact of Testing on a DevOps Pipeline
summary
A concrete yardstick: a rebuilt scripting system of 180,000 lines ships with one bug in 18 months after adding tests, unit tests capture 9 of 10 bugs, and TypeScript knocks out roughly half of obvious errors. Automation includes screenshot diffs with Playwright that compare ~200 pages in 16 seconds, and progressive rollout practices like Netflix’s 10% ramp plus chaos testing catch faults in production. Shift testing left, run it early and often.
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chapters (10)
- 0:00DevOps and testing intro
- 2:05Continuous testing in DevOps
- 5:56Continuous testing benefits
- 10:09Testing challenges in pipelines
- 12:57Where to test in pipeline
- 13:18Testing the pipeline itself
- 15:23Real testing failures & recovery
- 17:09Shift left and right testing
- 19:20Testing best practices
- 21:06Q&A on QA & devs
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