Automated testing what is the point
summary
Automated testing is framed as an economic tool that flattens the cost-of-change curve by giving fast, high-quality feedback rather than primarily eliminating bugs. Small, fast microtests (5–10s, single-path checks) run thousands-strong in the inner loop, enabling the red-green-refactor cadence and replacing much slow manual geek at keyboard verification. Tests surface design problems early, pressure code toward low coupling and high local reasoning, and so improve modifiability — not a silver bullet, but a powerful investment.
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chapters (8)
- 0:00Start
- 1:06Automated Testing What's the Point
- 11:48The Test Should Be Small
- 14:00Manual Verification of Changes Manual Regression Testing
- 15:10The Red Green Reflector Loop
- 16:53The Status Quo
- 19:03Predicting Out Loud What the Result of Your Test
- 20:42What's Driving those Rising Costs of Change
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