python-static-analysis-and-test.yml

name: Static Analysis & Test

on: [push, pull_request]

jobs:

  static-analysis:
    # We want to run on external PRs, but not on our own internal PRs as they'll
    # be run by the push to the branch. Without this if check, checks are
    # duplicated since internal PRs match both the push and pull_request events.
    # https://github.com/psf/black/blob/f51e53726b39a177355a7917c91c56f390dda7ef/.github/workflows/lint.yml#L7-L12
    if:
      github.event_name == 'push' ||
      github.event.pull_request.head.repo.full_name != github.repository

    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Setup Python
        uses: actions/setup-python@v4
        with:
          # NOTE: Currently running this with python 3.12 causes
          # flake8 false-positives on lines with f-strings E226,E231,E241,E702
          python-version: "3.11"

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install tox coverage[toml]

      - name: Lint with flake8
        run: tox -e flake8

      - name: Format with black
        run: tox -e black


  test:
    # We want to run on external PRs, but not on our own internal PRs as they'll
    # be run by the push to the branch. Without this if check, checks are
    # duplicated since internal PRs match both the push and pull_request events.
    if:
      github.event_name == 'push' ||
      github.event.pull_request.head.repo.full_name != github.repository

    strategy:
      matrix:
        # Test if using native json or pyjson5 for json parsing
        json_ver: ['json', 'json5']
        os: ['ubuntu-latest', 'windows-latest']
        python: ['3.7', '3.8', '3.9', '3.10', '3.11']
        # Works around the depreciation of python 3.6 for ubuntu
        # https://github.com/actions/setup-python/issues/544
        include:
          - json_ver: 'json'
            os: 'ubuntu-20.04'
            python: '3.6'
          - json_ver: 'json5'
            os: 'ubuntu-20.04'
            python: '3.6'

    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Setup Python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python }}

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install tox

      - name: Run Tox
        run: |
          tox -e begin,py-${{ matrix.json_ver }}

      - name: Upload coverage
        uses: actions/upload-artifact@v3
        with:
          name: coverage
          path: .coverage.*
          retention-days: 1

  coverage:
    # We want to run on external PRs, but not on our own internal PRs as they'll
    # be run by the push to the branch. Without this if check, checks are
    # duplicated since internal PRs match both the push and pull_request events.
    if:
      github.event_name == 'push' ||
      github.event.pull_request.head.repo.full_name != github.repository

    needs: test

    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Setup Python
        uses: actions/setup-python@v4
        with:
          python-version: "3.x"

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install tox coverage[toml]

      # Ensure version.py is created so coverage can read it's source
      - name: Run begin
        run: |
          tox -e begin

      - name: Download coverage artifacts
        uses: actions/download-artifact@v3
        with:
          name: coverage

      # Tox runs `coverage combine` and `coverage xml`
      - name: Combine coverage and report
        run: |
          tox -e end

          # Report and write to summary.
          python -m coverage report --format=markdown >> $GITHUB_STEP_SUMMARY

          # Write html coverage report to upload as an artifact
          python -m coverage html

          # # Report again and fail if under 100%.
          # python -m coverage report --fail-under=100

      - name: Upload HTML report if check failed.
        uses: actions/upload-artifact@v3
        with:
          name: html-report
          path: htmlcov
          # # TODO: If we get 100% coverage we can re-enable this and the
          # # `--fail-under` check so pull requests fail if the dev doesn't
          # # add tests for new code.
          # if: ${{ failure() }}


  pip-package:
    # We want to run on external PRs, but not on our own internal PRs as they'll
    # be run by the push to the branch. Without this if check, checks are
    # duplicated since internal PRs match both the push and pull_request events.
    if:
      github.event_name == 'push' ||
      github.event.pull_request.head.repo.full_name != github.repository

    # Build and upload pip packages as artifacts so we can inspect them and
    # ensure they are correct for actual release
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Setup Python
        uses: actions/setup-python@v4
        with:
          python-version: "3.x"

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install --upgrade build setuptools wheel twine

      - name: Build wheel
        run: |
          python -m build --wheel --sdist

      - name: Upload packages.
        uses: actions/upload-artifact@v3
        with:
          name: pip-packages
          path: |
            dist/hab-*.whl
            dist/hab-*.tar.gz