T03-L03
Intermediate · IndyDevDan
Test Driven PROMPT Engineering: Using Promptfoo to COMPARE Prompts, LLMs, and Providers.
4 of this chapter’s recipes were extracted from this video, including “promptfoo config — define providers, prompts, and tests”, “promptfoo test file — write variable‑driven prompt tests”, “promptfoo assertions — validate LLM output with built‑in checks”.
Mapped to the curriculum: Frozen source accepted this video for T03-L03, T03-L04.
Watch at sourceWhy this one
Shows how to set up Promptfoo configurations, create variable-driven prompt tests, and use its assertion features to validate LLM outputs