TLDR Tech / Dev
The Death of Traditional Testing: Agentic Development Broke a 50-Year-Old Field, JiTTesting can revive it
Meta claims that agentic development has rendered traditional testing obsolete, as static test suites cannot keep pace with rapid code changes, leading to excessive false positives and maintenance burdens. Their solution, "Catching JiTTests" (Just-in-Time Tests), involves LLMs automatically generating tailored tests upon PR landing by inferring code change intent and simulating faults through mutation testing, only alerting when actual breaks occur.
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