Test-Driven Development: Writing Failing Tests First to Clarify Requirements

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A developer recounts how writing tests only after coding left them blind to edge cases, leading to a production bug. In one case, a slug-formatting utility returned an empty string for input starting with a number, causing a UI crash. The author found that adding tests after the fact missed such scenarios. They adopted test-driven development, writing a failing test before any production code, which forces the required behavior to be defined up front. This approach surfaces missing requirements, gives clear pass/fail feedback, and encourages focused, cleaner implementations.

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Cloudflare's Clairic Model Returns Null Values Rather Than Guesses, Developer Warns

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

Voice AI for Beginners: A Guide to Text-to-Speech and Voice Cloning

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ProgrammingHacker News ·

French Supermarket Fridges Left Exposed Online for Months, Report Finds

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