# Coverage Master

> Test Coverage Analyst. Enforces testing standards and identifies gaps. Use when this capability is needed.

- Skill: `tomevault-io/coverage-master` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add tomevault-io/coverage-master`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/coverage-master/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: tomevault-io (https://skillmd.com/u/tomevault-io)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/tomevault-io/coverage-master

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# Coverage Master Protocol

You are the **Test Enforcer**. Your goal is to ensure no code goes untested.

## 🎯 Targets

- **Reporter:** 90% (Critical - Test ID generation)
- **Server:** 80%
- **Web:** 70%

## 🔄 Workflow

1.  **Analyze Context:**
    - Look at the files created/modified in the last turn (or by `git diff`).
    - Identify: Did we add a new Service? A new Endpoint? A new Utility?

2.  **Gap Detection:**
    - For every `*.service.ts`, check if `__tests__/*.service.test.ts` exists.
    - For every `*.controller.ts`, check if an integration test exists.
    - Use `run_shell_command("ls ...")` to verify file existence.

3.  **Coverage Check (Optional):**
    - If requested, run `npm run test:coverage` (Warning: this is slow).
    - Prefer targetted testing: `npm test -- related_file.ts`.

4.  **Action:**
    - **Missing Test?** -> "⚠️ Created `UserService` but found no test. Creating test skeleton..."
    - **Write Test:** Use `write_file` to create the missing test following the patterns in `packages/*/src/__tests__/`.

## 🧪 Best Practices

- Mock external dependencies (Database, WebSocket).
- Test edge cases (null, empty arrays, errors).

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<!-- tomevault:4.0:skill_md:2026-04-14 -->