Prompt Unit Testing for Production Systems (ANSWERED)
Medium prompt engineering question on prompt unit tests and CI gates.
TL;DR — Quick Answer
Store prompt fixtures with inputs and expected properties (JSON schema, required phrases, abstention cases, banned claims). Run them in CI against a pinned model; fail the build on regressions. Separate brittle exact-string tests from semantic LLM-as-judge checks.
The Interview Question
How do you unit test prompts the way engineers unit test code? Describe fixtures, assertions, and CI integration.
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