December 15, 2025
Lessons from Ruby World Conference 2025
At Ruby World Conference 2025 , Masatoshi Seki (関 将俊) and Miwa Fukaya (深谷 美和) presented a talk grounded in something rare in our industry: more than 20 years of real testing history.
Their presentation, “How to Create Today’s Recommended Tests”, introduces Ninja Testing — a testing practice that extends TDD principles to acceptance testing and focuses on sustainability at scale.
The problem they address is familiar:
As systems grow, running every test every day becomes unrealistic. Yet skipping tests increases risk.
Dive deeper into this real-world Ruby case study.
Read the complete article:
👉 https://rubystacknews.com/2025/12/15/smart-test-suites-with-ruby/
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