# For documentation on GitHub Actions Workflows, see:
# https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions
name: CI

on: [push, pull_request]

jobs:
  ci:
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        python-version: [3.6, 3.7, 3.8, 3.9]
      fail-fast: false
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v2  # https://github.com/actions/checkout
        with:
          # Only a single commit is fetched by default, for the ref/SHA that triggered the workflow.
          # Set fetch-depth: 0 to fetch all history for all branches and tags.
          fetch-depth: 0 # Needed for setuptools_scm to work correctly
      - name: Set up Python
        uses: actions/setup-python@v2  # https://github.com/actions/setup-python
        with:
          python-version: ${{ matrix.python-version }}
      - name: Install python prerequisites
        run: pip install -U --user pip setuptools setuptools-scm nox
      - name: Run tests and post coverage results
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: python -m nox --non-interactive --session tests-${{ matrix.python-version }}  # Run nox for a single version of Python