test

A workflow for writing tests at three levels: unit tests for isolated logic, integration tests for connections such as a real filesystem, and end-to-end tests for complete command-line journeys.

In plain words
What is it for?
Use it to select a test level, name scenarios by behavior, write the test, reproduce reported bugs, or smoke-test a real CLI command.
Why use it?
It helps choose tests that match the behavior being checked and requires bug fixes to begin with a failing reproduction. This makes the reported problem verifiable before production code changes.

Skill for Claude CodeCodex

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 skills/ai-driven-dev/framework/test
Any agent
npx skills add ai-driven-dev/framework --skill test
Clone the repo
git clone --depth 1 https://github.com/ai-driven-dev/framework

Made for: Claude Code, Codex.

Per session 79 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 723 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00079 $0.00723
Opus 5 $0.00039 $0.00362
Sonnet 5 $0.00016 $0.00145
Haiku 4.5 $0.00008 $0.00072

Measured 2d ago against content hash 2ed1770de247, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

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 2d 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.

cli/.claude/skills/test/SKILL.md · 57 lines

How it starts

The opening of the file, as written. The whole thing — 57 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Test

Writes tests at the correct tier of the project's test pyramid: unit for domain and use-case logic, integration for adapter behavior and real-filesystem contracts, E2E for full CLI journeys. Bug fixes always start with a failing test that reproduces the exact reported scenario before any production code is touched.

Available actions

# Action Role Input
01 pick-tier Choose unit, integration, or e2e based on what is under test target file or behavior
02 name-behaviorally Draft behavior-sentence test names list of scenarios to cover
03 write Write the test file following tier conventions tier + names from 01-02
04 empirical-repro Produce an empirical reproduction transcript for user-reported bugs bug report
05 smoke Run real CLI binary in /tmp, verify end-to-end command + expected behavior

Default flow

01 → 02 → 03

For user-reported bugs: 01 → 02 → 03 → 04

Smoke (05) is standalone: invoke it when validating that a CLI command or feature works for a real user, after a feature ships or before a release. It is not part of the 01 → 03 write flow.

Transversal rules

  • File suffix must match tier: *.unit.test.ts, *.integration.test.ts, *.e2e.test.ts.
  • Mock only ports (domain interfaces) — never mock use-case internals or adapter implementations.
  • Test name = observable behaviour sentence; use nested describe blocks not prefix separators.
  • describe.concurrent() is forbidden in unit tests; required in E2E tests.
  • Zero real network, zero real machine state outside temp dirs in any automated test.
  • Write the failing test FIRST for every bug fix.
  • Smoke tests run the real built binary in a fresh /tmp dir, never the repo root.

Read the full file on GitHub · 57 lines

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. 2d ago First seen · 57 lines · 79 tokens per session scan A 2ed1770de247

Subscribe to this mod's changes

test is a skill published in the GitHub repository ai-driven-dev/framework (445 stars, last pushed 2d ago), licensed MIT. It adds 79 tokens to every session and 723 once invoked, about $0.0004 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.

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