Install
Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.
npx agentmarket install skill/mister-gnommer-writing-tests
Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.
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About
Use cases: testing, writing
Reviews
Write a reviewNo reviews yet. Installed it? Reviews come from verified installers only. How reviews work
Permissions
What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.
- Tools
- No tools found
- Secrets
- None asked for
- Install scripts
- None found
Network hosts it talks to 1
codeload.github.com· found in install command
Files it touches
~/.claude/skills/writing-tests
What's inside
- Skill name
writing-tests- Description
- Rules for deciding what is worth testing. Use when writing or editing tests in any language.
- License
- MIT
- Instructions
- 18 lines in SKILL.md · view on GitHub
Files (1)
- SKILL.md
SKILL.md (first lines)
# Writing tests Every test must be able to fail because of a realistic bug you can name. If you can't name one, don't write the test. ## Don't test - Mocks: asserting a mocked value comes back unchanged. - The language, runtime or libraries: that `if`, `map` or the framework works. - Trivial code: getters, constants, pass-through wrappers, plain data shapes. ## Do test - Business logic, branching, edge cases (empty, boundary, error paths). - Bug fixes: one regression test that reproduces the bug. - Contracts at module boundaries. ## Size A few meaningful tests beat exhaustive coverage. Match the project's existing test density. If a case is borderline, skip it and mention it instead.
From mister-gnommer/rules-of-engagement, MIT.
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background-work
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Delegate long-running work to background subagents while continuing the main conversation, such as planning the next change during OpenSpec Apply.
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Polish the wording of user-provided text at a chosen intensity level (1-5, default 2), optionally improving paragraph flow.
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TypeScript code style rules.
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pushback
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skill used on demand (slash-command) when user wants to emphasize that agent can express doubts or contrary opinion
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only when directly asked via slash-command
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use when directly asked.
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Signals
- Stars
- 0
- Forks
- 0
- Open issues
- 4
- Last commit (this folder)
- Oct 3, 2026 (27 days ago)
From GitHub (fetched Oct 24, 2026).
Details
- License
- MIT
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- GitHubgithub-graphql
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Transcribe a local audio or video file (mp3, m4a, wav, ogg, flac, mp4, mov, webm, ...) to text, fully offline, using faster-whisper.
SkillAFreshness: AClaude Code +9 - 0.565score
grill-me-with-ledger
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A relentless interview (grilling) that offers lettered-choice bulk replies and keeps a running decision ledger.
SkillAFreshness: AClaude Code +9 - 0.565score
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Creates implementation plans designed for multiple parallel AI agents using exclusive file ownership, dependency waves, integration barriers, parallel…
SkillAFreshness: AClaude Code +9 - 0.565score
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Multi-model plan review via 1–3 subagents.
SkillAFreshness: AClaude Code +9 - 0.565score
pragmatic-code-review
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SkillAFreshness: AClaude Code +9 - 0.565score
sync-setup
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Syncs this machine's core rules wiring with the rules-of-engagement repo, updates all installed skills, and optionally installs the user's listed third-party…
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Cite this page
writing-tests skill. Agent Mart. https://agentmart.dev/skills/mister-gnommer-writing-tests (last updated 2026-10-24)