docling-studio/docs/contributing.md
Pier-Jean Malandrino fdbab2f49e feat: add Karate UI e2e tests with data-e2e selectors (#124)
- Add e2e/ui/ as peer project to e2e/api/ (own pom.xml, runner, config)
- 5 critical UI journeys: upload, delete, analysis, batch-progress, rechunk
- 4 local-only tests: sidebar, i18n, error-states, pipeline-options
- 1 full happy path workflow covering all modes
- Add data-e2e attributes on all tested Vue components (decoupled from CSS)
- Add CONVENTIONS.md with 7 golden rules for writing Karate UI tests
- Update CI with dedicated e2e-ui job (Chrome headless, --no-sandbox)
- Update docs/contributing.md with UI test instructions

Closes #124
2026-04-08 17:53:52 +02:00

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# Contributing
## Getting Started
1. **Fork** the repository
2. **Clone** your fork:
```bash
git clone https://github.com/<your-username>/Docling-Studio.git
cd Docling-Studio
```
3. **Create a branch:**
```bash
git checkout -b feature/my-feature
```
## Development Setup
=== "Backend (Python 3.12+)"
```bash
cd document-parser
python -m venv .venv && source .venv/bin/activate
# Remote mode (lightweight — delegates to Docling Serve)
pip install -r requirements.txt
# Local mode (full — runs Docling in-process)
pip install -r requirements-local.txt
pip install ruff pytest pytest-asyncio httpx
uvicorn main:app --reload --port 8000
```
=== "Frontend (Node 20+)"
```bash
cd frontend
npm install
npm run dev
```
## Code Quality
### Backend — Ruff
```bash
cd document-parser
ruff check . # lint
ruff check . --fix # auto-fix
ruff format . # format
```
### Frontend — TypeScript + ESLint + Prettier
```bash
cd frontend
npm run type-check # vue-tsc strict mode
npx eslint src/ # lint
npx prettier --check src/ # check formatting
npx prettier --write src/ # auto-format
```
## Running Tests
=== "Backend"
```bash
cd document-parser
pytest tests/ -v
```
=== "Frontend"
```bash
cd frontend
npm run test:run
```
=== "E2E API (Karate)"
```bash
# Generate test PDFs + start stack
python e2e/generate-test-data.py
docker compose up -d --wait
# Run all API tests
mvn test -f e2e/api/pom.xml
# Or by tag: @smoke, @regression, @e2e
mvn test -f e2e/api/pom.xml -Dkarate.options="--tags @smoke"
```
=== "E2E UI (Karate UI)"
```bash
# Generate test PDFs + start stack (if not already running)
python e2e/generate-test-data.py
docker compose up -d --wait
# Run critical UI tests (CI scope)
mvn test -f e2e/ui/pom.xml -Dkarate.options="--tags @critical"
# Run all UI tests (local scope)
mvn test -f e2e/ui/pom.xml -Dkarate.options="--tags @ui"
```
All tests must pass before submitting a PR.
## Pull Request Guidelines
- Keep PRs focused — one feature or fix per PR
- Add tests for new functionality
- Update documentation if behavior changes
- Ensure CI passes (lint + type-check + tests + build)
## License
By contributing, you agree that your contributions will be licensed under the [MIT License](https://github.com/scub-france/Docling-Studio/blob/main/LICENSE).