# Af Test Coverage

> Analyze test coverage reports, identify untested code paths, or improve test coverage to meet targets. Use when coverage is below thresholds, reviewing Jest coverage output, or determining which tests to add for uncovered code.

- Skill: `majiayu000/af-test-coverage` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds add majiayu000/af-test-coverage`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/af-test-coverage/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/majiayu000/af-test-coverage

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# Test Coverage

## What to read

**Coverage targets (80%+ unit, 100% scenarios, critical E2E paths):**
→ [testing-guide.md#coverage-requirements](../../docs/guides/testing-guide.md#coverage-requirements)

**Running tests with coverage flags:**
→ [testing-guide.md#running-tests](../../docs/guides/testing-guide.md#running-tests)

**Coverage configuration strategy and improvement workflow:**
→ [af-testing-expertise/SKILL.md](../af-testing-expertise/SKILL.md) — see "Workflow: Improving Test Coverage" and "Coverage Configuration Strategy"

**Testing pyramid — balance unit, integration, and E2E:**
→ [testing-guide.md#overview](../../docs/guides/testing-guide.md#overview)