test: add pytest-cov coverage reporting to CI (#55)#239
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Pull request overview
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Adds Python test coverage reporting to the backend CI workflow, including artifact upload and PR comment integration.
Changes:
- Installs
pytest-covand runs pytest with coverage thresholds (fail under 60%). - Uploads coverage XML and HTML reports as workflow artifacts.
- Posts a coverage summary comment on pull requests via
py-cov-action/python-coverage-comment-action@v3.
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| - name: Install pytest-cov | ||
| run: pip install pytest-cov |
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| pytest backend/tests -v \ | ||
| --cov=backend/app \ | ||
| --cov-report=term-missing \ | ||
| --cov-report=xml:coverage.xml \ | ||
| --cov-report=html:htmlcov \ | ||
| --cov-fail-under=60 |
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| - name: Coverage summary comment (PR only) | ||
| if: github.event_name == 'pull_request' | ||
| uses: py-cov-action/python-coverage-comment-action@v3 | ||
| with: | ||
| GITHUB_TOKEN: ${{ github.token }} | ||
| MINIMUM_GREEN: 60 | ||
| MINIMUM_ORANGE: 40 | ||
| continue-on-error: true |
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| - name: Coverage summary comment (PR only) | ||
| if: github.event_name == 'pull_request' | ||
| uses: py-cov-action/python-coverage-comment-action@v3 |
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| run: | | ||
| pytest backend/tests -v \ | ||
| --cov=backend/app \ | ||
| --cov-report=term-missing \ | ||
| --cov-report=xml:coverage.xml \ | ||
| --cov-report=html:htmlcov \ | ||
| --cov-fail-under=60 | ||
|
|
||
| - name: Upload coverage XML report | ||
| if: always() | ||
| uses: actions/upload-artifact@v4 |
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| name: coverage-report | ||
| path: | | ||
| coverage.xml | ||
| htmlcov/ |
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Hi @param20h, I've rebased this PR on the latest dev branch, and adjusted the test coverage threshold to 40% to align with the current repository baseline (~42.25%). All checks are now fully passing. Could you please review and merge? Thanks! |
param20h
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Jun 2, 2026
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📋 PR Checklist
🔗 Related Issue
Closes #55
📝 What does this PR do?
Configures pytest-cov in the CI pipeline and adds a coverage reporting step to
.github/workflows/ci.yml.Adjusts the coverage failure threshold parameter
--cov-fail-underto 40 to match the repository's current coverage baseline (42.25%), preventing build failures while ensuring future changes don't decrease coverage significantly.🗂️ Type of Change
🧪 How was this tested?
uvicorn app.main:app --reload)📸 Screenshots (if UI change)
The initial PR setup tried to enforce 60% backend test coverage, which was failing the build because the repo's baseline is ~42.25%. We updated the failure threshold to 40% to align with the current project codebase.
✅ Self-Review Checklist
dev, notmainmainbranch or any HuggingFace deployment config