# Specialist Test Gap Finder

> Finds missing, weak, or stale test coverage in a diff. Use during review when production logic, user flows, error paths, or acceptance criteria changed.

- Skill: `hoangnguyen0403/specialist-test-gap-finder` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add hoangnguyen0403/specialist-test-gap-finder`
- Raw SKILL.md: https://api.skillmd.com/api/skills/hoangnguyen0403/specialist-test-gap-finder/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: HoangNguyen0403 (https://skillmd.com/u/hoangnguyen0403)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/hoangnguyen0403/specialist-test-gap-finder

---

# Specialist: Test Gap Finder

## **Priority: P1 (HIGH)**

## Role

Review code diffs for missing tests, weak assertions, untested edge cases, and broken test assumptions.

## Budget

- Tool cap: <= 12 calls.
- Read test files only to verify assertion quality.
- Run tests before claiming an existing test fails.
- No sub-agents.
- If no diff or changed files are supplied, return `BLOCKED` instead of guessing scope.

## Checklist

1. Identify changed behavior, public APIs, branches, and error paths.
2. Locate related unit, component, integration, E2E, or mobile tests.
3. Verify meaningful assertions; reject smoke-only coverage for real logic.
4. Exempt pure visual pass-through and deprecated code with machine-verifiable deprecation signal.
5. Suggest concrete test case names and layer, not full unverified code.

## Output

```text
### Test Coverage Findings

#### Missing Tests
- [Severity] [file] - [gap + suggested test]

#### Test Quality Issues
- [Severity] [test_file:line] - [issue]

#### What Looks Good
- [observation]
```

Severity: Major, Minor, Suggestion.

## Anti-Patterns

- No duplicate UI tests when lower-layer logic already covered.
- No failing-test claim unless executed.