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Test Coverage Improver

Overview

Use this skill whenever coverage needs assessment or improvement (coverage regressions, failing thresholds, or user requests for stronger tests). It runs the coverage suite, analyzes results, highlights the biggest gaps, and prepares test additions while confirming with the user before changing code.

Quick Start

1. From the repo root run make coverage to regenerate .coverage data and coverage.xml.
2. Collect artifacts: .coverage and coverage.xml, plus the console output from coverage report -m for drill-downs.
3. Summarize coverage: total percentages, lowest files, and uncovered lines/paths.
4. Draft test ideas per file: scenario, behavior under test, expected outcome, and likely coverage gain.
5. Ask the user for approval to implement the proposed tests; pause until they agree.
6. After approval, write the tests in tests/, rerun make coverage, and then run $code-change-verification before marking work complete.

Workflow Details

• Run coverage : Execute make coverage at repo root. Avoid watch flags and keep prior coverage artifacts only if comparing trends.
• Parse summaries efficiently :
  • Prefer the console output from coverage report -m for file-level totals; fallback to coverage.xml for tooling or spreadsheets.
  • Use uv run coverage html to generate htmlcov/index.html if you need an interactive drill-down.
• Prioritize targets :
  • Public APIs or shared utilities in src/agents/ before examples or docs.
  • Files with low statement coverage or newly added code at 0%.
  • Recent bug fixes or risky code paths (error handling, retries, timeouts, concurrency).
• Design impactful tests :
  • Hit uncovered paths: error cases, boundary inputs, optional flags, and cancellation/timeouts.

Notes

• Keep any added comments or code in English.
• Do not create scripts/, references/, or assets/ unless needed later.
• If coverage artifacts are missing or stale, rerun pnpm test:coverage instead of guessing.

Weekly Installs

131

Repository

openai/openai-a…s-python

GitHub Stars

20.3K

First Seen

Jan 24, 2026

Security Audits

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Installed on

opencode123

github-copilot122

gemini-cli120

codex120

cursor119

amp113