AI-Native Testing Framework - Write tests in YAML, get structured output for autonomous TDD
AI-Native Testing Framework
Write tests in YAML. Get structured output with actual/expected values and hints.
Let AI fix your code autonomously.
Website • GitHub • Quick Start
npm install -g vybtest
Create player.ts.vyb:
"player starts with full health":
confidence: 0.95
when:
- "player = createPlayer(100, 100)"
then:
- "expect: player.health == 100"
Run:
vyb run tests/
Output:
tests:
- name: player starts with full health
status: fail
actual: 50
expected: 100
hints:
- The equality check failed
Your AI reads the structured output, sees actual: 50 vs expected: 100, and fixes the code.
Traditional test output is designed for humans. Stack traces, diff formatting, ANSI colors. Your AI has to guess what went wrong.
Vyb outputs structured YAML with:
Zero API calls. Zero cost. Just tests that tell AI exactly what failed.
Full documentation at vybtest.com
MIT
FAQs
AI-Native Testing Framework - Write tests in YAML, get structured output for autonomous TDD
We found that vybtest demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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