Feature/ci cd

[JulianOpper]

Description

This PR establishes a comprehensive CI/CD infrastructure for the FTIO project and significantly improves the test suite quality.

Key Contributions

CI/CD Pipeline Implementation:

Three new workflow files under .github/workflows/:

1. CI.yml (triggers on push to any branch):

   • Ruff linting + Black formatting checks (non-blocking)
   • Matrix testing across Python 3.11 and 3.12 with JUnit test results in Actions tab
   • Coverage reporting with pytest-cov, rendered as markdown table in workflow run summary via $GITHUB_STEP_SUMMARY
   • Build verification via twine

2. draft-release.yml (triggers on PR merge to main):

   • Automatic draft release creation
   • Version number extracted from ftio/__init__.py (must be updated before merge)
   • Auto-generated release description based on merged PRs and commits

3. python-publish.yml (triggers on release publishing):

   • PyPI publishing (previously implemented, now integrated)
   • Build & push Docker image to GitHub Container Registry
   • Build & push Docker image to Docker Hub (disabled, awaiting credentials)

Test Suite Improvements:

• Refactored legacy tests from broad assertTrue assertions to granular, specific checks for easier debugging
• Added new unit tests for previously untested functionality
• Increased test coverage from 41% to 52% (currently 46% due to new merges without full test coverage)

Challenges

• Legacy test refactoring: Identifying and rewriting assertions while maintaining test validity required analysis of the original test
• Multi-workflow: Coordinating three separate workflows triggered at different stages (push, merge, release) to work together
• Balancing coverage goals with active development: New code merged during this work reduced coverage metrics

Immediate Improvements

• Docker Hub Integration (needs credentials via secrets)
• Excluded linting rules in pyproject.toml need to be fixed manually

[A-Tarraf]

Please also add yourself as contributors (PPT Lab)

[A-Tarraf]

I added you to the contributors list. Thanks for your good work!