build_and_test.yml

name: Build and Test (Flit)

on:
  push:
    branches: 
      - '**'
  pull_request:
    branches: 
      - '**'

jobs:
  build-and-test-flit:
    runs-on: ubuntu-latest

    steps:
    # Step 1: Check out the repository
    - name: Check out repository
      uses: actions/checkout@v2

    # Step 2: Set up Python
    - name: Set up Python
      uses: actions/setup-python@v2
      with:
        python-version: '3.10'

    # Step 3: Install Flit, pytest, pytest-cov, and Coverage
    - name: Install Flit, pytest, pytest-cov, and Coverage
      run: |
        pip install flit pytest pytest-cov coverage
    
    # Step 4: Install dependencies (including dev dependencies)
    - name: Install dependencies
      run: |
        export FLIT_ROOT_INSTALL=1
        flit install --deps=develop --extras=dev  # Install dev dependencies

    # Step 5: Run tests with coverage
    - name: Run tests
      run: |
        coverage run --source=gds_fdtd -m pytest
        coverage report

    # Step 6: Upload coverage reports to Codecov
    - name: Upload coverage reports to Codecov
      uses: codecov/codecov-action@v3
      with:
        token: ${{ secrets.CODECOV_TOKEN }}