python-package.yml

name: Python package

on:
  push:
    branches: [ master, devel ]
  pull_request:
    branches: [ master ]

jobs:
  build:

    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        python-version: [3.7, 3.8, 3.9]
        exclude:
          - os: macos-latest
            python-version: 3.8
          - os: macos-latest
            python-version: 3.9

    steps:
    - uses: actions/checkout@v2
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v2
      with:
        python-version: ${{ matrix.python-version }}
    - name: Install Clang (on Windows)
      if: runner.os == 'Windows'
      run: |
        choco install llvm
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        python -m pip install flake8 nose lit
    - name: Lint with flake8
      run: |
        # stop the build if there are Python syntax errors or undefined names
        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
    - name: Test with nose
      run: |
        nosetests tests/unit --verbose
    - name: Test with lit
      if: runner.os != 'Windows'
      run: |
        lit -v tests
    - name: Test with lit (on Windows)
      if: runner.os == 'Windows'
      run: |
        pip install . --use-feature=in-tree-build
        lit -DUSE_INSTALLED=true -v tests