ci.yml

name: CI

on: [push, pull_request]

jobs:
  test:
    strategy:
      fail-fast: false
      matrix:
        os: [macos-latest, windows-latest, ubuntu-latest]
        python-version: [3.6, 3.7, 3.8]
    name: Test - ${{ matrix.os }}, ${{ matrix.python-version }}
    runs-on: ${{ matrix.os }}
    steps:
    - uses: actions/checkout@v2

    - name: Fetch all history and metadata
      run: |
        git fetch --prune --unshallow
        git checkout -b pr
        git branch -f main origin/main

    - name: Install clang-format
      shell: bash
      run: |
        if [ "$RUNNER_OS" == "Linux" ]; then
          sudo apt-get install clang-format-10
        elif [ "$RUNNER_OS" == "Windows" ]; then
          choco install --allow-downgrade llvm --version 10.0.0
        elif [ "$RUNNER_OS" == "macOS" ]; then
          brew install clang-format
        else
          echo "$RUNNER_OS not supported"
          exit 1
        fi

    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v2
      with:
        python-version: ${{ matrix.python-version }}

    - name: Install wpiformat
      run: |
        cd wpiformat
        pip install -e .

    - name: Install test dependencies
      shell: bash
      run: |
        if [ "$RUNNER_OS" == "Windows" ]; then
          # This pytest dependency is installed manually with bash because the
          # installation prints to stderr. Prints to stderr cause Powershell to
          # report a nonzero return code and cause the tests to fail.
          pip install wheel iniconfig
        fi

    - name: Run unit tests
      run: |
        git config --global user.email "you@example.com"
        git config --global user.name "Your Name"
        cd wpiformat
        python setup.py test

    - name: wpiformat - whole repo
      run: |
        python -m wpiformat -v

    - name: wpiformat - one file
      run: |
        cd wpiformat
        python -m wpiformat -f wpiformat/__init__.py -v

    - name: wpiformat - absolute path to file
      shell: bash
      run: |
        python -m wpiformat -f $GITHUB_WORKSPACE/wpiformat/wpiformat/__init__.py -v

    - name: wpiformat - multiple files
      run: |
        cd wpiformat
        python -m wpiformat -f wpiformat/__init__.py wpiformat/__main__.py -v

    - name: wpiformat - directory
      run: |
        cd wpiformat
        python -m wpiformat -f wpiformat -v

    # Verify wpiformat reports an error if no master or main branch exists
    - name: Git repo with no branches
      shell: bash
      run: |
        rm -rf branch-test
        mkdir branch-test && cd branch-test && git init
        if wpiformat; then
          exit 1
        fi

    # Verify wpiformat reports success if "master" exists
    - name: Git repo with master branch
      shell: bash
      run: |
        rm -rf branch-test
        mkdir branch-test && cd branch-test && git init
        git checkout -b master
        touch .styleguide
        git add .styleguide && git commit -q -m "Initial commit"
        wpiformat

    # Verify wpiformat reports success if "main" exists
    - name: Git repo with main branch
      shell: bash
      run: |
        rm -rf branch-test
        mkdir branch-test && cd branch-test && git init
        git checkout -b main
        touch .styleguide
        git add .styleguide && git commit -q -m "Initial commit"
        wpiformat

    - name: Delete branch-test folder
      shell: bash
      run: rm -rf branch-test

    - name: Ensure formatter made no changes
      run: git --no-pager diff --exit-code HEAD

  publish:
    name: Publish
    runs-on: ubuntu-latest
    needs: [test]
    if: ${{ github.repository_owner == 'wpilibsuite' && github.ref == 'refs/heads/main' }}
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - uses: actions/setup-python@v2
        with:
          python-version: 3.7

      - name: Install Python dependencies
        run: pip install wheel

      - name: Build package
        run: python setup.py bdist_wheel
        working-directory: wpiformat

      - name: Upload package to PyPi
        uses: pypa/gh-action-pypi-publish@v1.4.1
        with:
          packages_dir: wpiformat/dist
          password: ${{ secrets.PYPI_PASSWORD }}