auto-test

Guidelines for running automated tests while changing software. They include testing frequently, fixing failures immediately, checking for regressions, and adding tests for new features; TDD means writing a failing test before the code.

In plain words
What is it for?
Use them when implementing features or fixes in projects that use test commands such as npm test, pytest, or go test.
Why use it?
They help reveal mistakes early and reduce the chance that a change breaks existing behavior.

Cursor rule for Cursor

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add rules/tecnomanu/pampa/auto-test
Clone the repo
git clone --depth 1 https://github.com/tecnomanu/pampa

Made for: Cursor.

Per session 212 This file is loaded in full into every session.
When invoked 212 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00212 $0.00212
Opus 5 $0.00106 $0.00106
Sonnet 5 $0.00042 $0.00042
Haiku 4.5 $0.00021 $0.00021

Measured 3d ago against content hash 804149d8455a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

auto-test scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.cursor/rules/rules-kit/global/auto-test.mdc · 37 lines

What it actually says

Automated Testing

Run the test suite after each change and fix issues until all tests pass.

Testing Workflow

  1. Run Tests Frequently: Execute tests after implementing each logical component.
  2. Fix Issues Immediately: Address test failures as soon as they appear.
  3. Regression Testing: Ensure existing functionality remains intact.
  4. Test Coverage: Add new tests when implementing new features.

Common Test Commands

# Framework-specific test commands
npm test                 # Node.js/JavaScript
php artisan test        # Laravel
ng test                 # Angular
mvn test                # Java/Maven
pytest                  # Python
go test ./...           # Go

Test-Driven Development

Consider adopting TDD principles:

  1. Write a failing test first
  2. Implement the minimal code to pass the test
  3. Refactor while keeping tests passing
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 37 lines · 212 tokens per session scan A 804149d8455a

Subscribe to this mod's changes

auto-test is a cursor rule published in the GitHub repository tecnomanu/pampa (29 stars, last pushed 11mo ago), licensed ISC. It adds 212 tokens to every session, about $0.0011 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.