Eric Pinzur da4208dcc9

feat: generate custom coverage config to omit legacy and external compoents (#9221 )

* feat: generate custom coverage config to omit legacy and external components

* lint

* fix components config

* also remove deactivated componenets

* [autofix.ci] apply automated fixes

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

2025-07-30 04:46:19 +00:00

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Dynamic Coverage Configuration

This script generates a custom .coveragerc file for backend testing that excludes:

Bundled components - Components listed in SIDEBAR_BUNDLES from src/frontend/src/utils/styleUtils.ts
Legacy components - Python files containing legacy = True

How it works

Reads frontend config: Parses styleUtils.ts to extract bundled component names
Scans backend files: Finds all .py files in src/backend/base/langflow/components/ with legacy = True
Generates .coveragerc: Creates exclusion patterns for pytest-cov

Usage

Local development

# Generate config and run tests
python3 scripts/generate_coverage_config.py
cd src/backend && python -m pytest --cov=src/backend/base/langflow --cov-config=.coveragerc

CI Integration

The script runs automatically in CI before backend tests via .github/workflows/python_test.yml.

Files affected

Input: src/frontend/src/utils/styleUtils.ts (SIDEBAR_BUNDLES)
Input: src/backend/base/langflow/components/**/*.py (legacy components)
Output: src/backend/.coveragerc (auto-generated, in .gitignore)

Benefits

Accurate coverage: Focuses on actively maintained core code
Dynamic updates: Automatically adapts when bundles/legacy components change
Codecov compatible: Generated config works with both local testing and Codecov reporting

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