test.yml

name: Run automated tests
on:
  push:
    paths-ignore:
      - '**.md'
      - '.git*'


jobs:
  test:
    name: ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - windows-latest
          - macos-latest
    steps:
      - uses: actions/checkout@v1

      - name: Install OS packages for Python
        run: sudo apt install python3-venv
        if: matrix.os == 'ubuntu-latest'

      - name: Specify Python command
        run: echo "::set-env name=PY::python"
        if: matrix.os == 'windows-latest'
        # https://help.github.com/en/actions/automating-your-workflow-with-github-actions/development-tools-for-github-actions#set-an-environment-variable-set-env

      - name: Run automated tests
        run:  make -C tests test-verbose

  cygwin:
    name: windows-cygwin
    runs-on: windows-latest
    env:
      CYGWIN_ROOT: cygwin
      CYGWIN_PACKAGES: make,python3,git,bash
      CYGWIN_MIRROR: http://mirrors.kernel.org/sourceware/cygwin/
    steps:
      - uses: actions/checkout@v1
      - name: Use absolute path for CYGWIN_ROOT
        run: echo "::set-env name=CYGWIN_ROOT::${env:GITHUB_WORKSPACE}\${env:CYGWIN_ROOT}"
      - name: Cache Cygwin installation
        id: cygwin
        uses: actions/cache@v1
        with:
          path: cache
          key: cygwin-cache-v5  # Increment to rebuild Cygwin environment
      - name: Unpack Cygwin installation
        shell: bash
        run: tar -xf cache/cygwin.tar
        if: steps.cygwin.outputs.cache-hit
      - name: Install Cygwin
        run: >
          md %CYGWIN_ROOT% &&
          choco install cygwin --params='"/InstallDir:%CYGWIN_ROOT%"' &&
          %CYGWIN_ROOT%\cygwinsetup.exe
          --quiet-mode
          --no-desktop
          --download
          --local-install
          --no-verify
          --site "%CYGWIN_MIRROR%"
          --local-package-dir "%CYGWIN_ROOT%"
          --root "%CYGWIN_ROOT%"
          --packages "%CYGWIN_PACKAGES%"
        shell: cmd
        if: '! steps.cygwin.outputs.cache-hit'
      - name: Run automated tests
        run: cygwin\bin\bash.exe -c "export PATH=/bin; make -C tests test-verbose"
      - name: Failure diagnostics
        run: |
         find cygwin -type f
         env
        if: failure()
      - name: Save Cygwin installation
        run: >
          mkdir cache || true &&
          tar
          --exclude=cygwin/dev/fd/*
          --ignore-failed-read
          --dereference
          -cf cache/cygwin.tar cygwin || [[ "$?" == 1 ]] && true
          # tar uses return code 1 for warnings
        shell: bash