create-terraform-tests

create-terraform-tests is a skill for Claude Code, Codex from soulcodex/agentic. It costs 44 tokens per session (564 once invoked), scanned A, original, MIT.

A testing guide for Terraform modules that create AWS infrastructure. It uses Terraform's own testing features to check expected plans or changes, invalid inputs, security controls, and upgrade risks.

In plain words
What is it for?
Use it to design tests for an AWS Terraform module, including normal configurations, rejected inputs, security policies, destructive-change prevention, resource address migrations, and provider or runtime upgrades.
Why use it?
It helps catch infrastructure regressions before deployment, including accidental public exposure, unsafe changes to stateful resources, broken outputs, and resource identity changes. A regression is a change that makes previously working behaviour fail.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions Codex; mentions OpenCode.

Good fit Use it to design tests for an AWS Terraform module, including normal configurations, rejected inputs, security policies, destructive-change prevention, resource address migrations, and provider or runtime upgrades.

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Install with agentmods
npx agentmods add skills/soulcodex/agentic/create-terraform-tests
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.

Any agent
npx skills add soulcodex/agentic --skill create-terraform-tests
Clone the repo
git clone --depth 1 https://github.com/soulcodex/agentic

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for create-terraform-tests

README.md
[![agentmods](https://agentmods.dev/badge/skills/soulcodex/agentic/create-terraform-tests/github.svg)](https://agentmods.dev/skills/soulcodex/agentic/create-terraform-tests)
Your own site
<a href="https://agentmods.dev/skills/soulcodex/agentic/create-terraform-tests"><img src="https://agentmods.dev/badge/skills/soulcodex/agentic/create-terraform-tests/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for create-terraform-tests

Your own site · 80×15
<a href="https://agentmods.dev/skills/soulcodex/agentic/create-terraform-tests"><img src="https://agentmods.dev/badge/skills/soulcodex/agentic/create-terraform-tests.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 44 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 564 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00044 $0.00564
Opus 5.5 $0.00018 $0.00226
Sonnet 5.5 $0.00009 $0.00113
Haiku 4.5 $0.00004 $0.00056

Measured 2mo ago against content hash e17e0eda5300, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

create-terraform-tests 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 2mo 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.

skills/devops/create-terraform-tests/SKILL.md · 82 lines

How it starts

The opening of the file, as written. The whole thing — 82 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Create Terraform Tests Skill

Author Terraform test coverage for AWS modules.

Always pair this skill with terraform-risk-playbook. That skill is authoritative for the response contract, risk classification, version/runtime guards, validation chain, and rollback notes.

Authoritative precedence: when this skill and terraform-infrastructure are both active, this skill is authoritative for module testing strategy, test layout, and assertion patterns.

Step 1 - Identify Risk-Critical Behaviors

Prioritize tests for:

  • security controls (encryption, public exposure prevention)
  • destructive change prevention for stateful resources
  • required inputs and invalid configuration rejection
  • output contract stability
  • identity and address migration safety (count/for_each, moved flows)
  • provider/runtime upgrade compatibility when version constraints change

Step 2 - Implement Terraform-Native Test Layout

Use tftest-patterns.md for baseline structure and pattern selection.

Minimum coverage:

  • happy path apply/plan expectations
  • invalid input validation checks
  • policy/security checks for sensitive resources
  • choose command = apply when assertions depend on computed values or set-type nested blocks

Step 3 - Add CI-Friendly Validation Chain

Ensure deterministic checks in CI:

  1. terraform fmt -check -recursive
  2. terraform init -backend=false
  3. terraform validate
  4. terraform test

CI safety guardrails:

  • do not point tests at production/shared backends
  • use ephemeral credentials/accounts for apply-capable tests
  • skip or scope tests when required cloud credentials are not present
  • if the risk category includes compliance or secret exposure, include the repo's existing policy/security checks where applicable

Step 4 - Keep Tests Bounded

Use minimal fixtures and avoid long-running integration behavior unless explicitly requested. Document emulator vs real-AWS assumptions clearly.

Step 5 - Report Coverage Gaps

Summarize what is covered, known blind spots, and next highest-value tests. Call out whether each scenario is plan-only confidence, emulator confidence, or real-cloud confidence.

Read the full file on GitHub · 82 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 2mo ago First seen · 82 lines · 44 tokens per session scan A e17e0eda5300

Subscribe to this mod's changes

create-terraform-tests is a skill published in the GitHub repository soulcodex/agentic (10 stars, last pushed yesterday), licensed MIT. It adds 44 tokens to every session and 564 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-08-31.

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