name: Ubuntu
on: [push, pull_request]

jobs:
  tests:
    runs-on: ubuntu-18.04
    strategy:
      fail-fast: false
      matrix:
        include:
        - python-version: 2.7
          env:
            TOXENV: py27
        - python-version: 2.7
          env:
            TOXENV: py27-pinned
        - python-version: 2.7
          env:
            TOXENV: py27-extra-deps
        - python-version: pypy3
          env:
            TOXENV: pypy
            PYPY_VERSION: '2.7-v7.3.5'
        - python-version: pypy3
          env:
            TOXENV: pypy3
            PYPY_VERSION: '3.7-v7.3.5'
        - python-version: 3.5
          env:
            TOXENV: py35
        - python-version: 3.5
          env:
            TOXENV: py35-pinned
        - python-version: 3.6
          env:
            TOXENV: py36
        - python-version: 3.7
          env:
            TOXENV: py37
        - python-version: 3.8
          env:
            TOXENV: py38
        - python-version: 3.8
          env:
            TOXENV: py38-extra-deps

    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 system libraries
      if: matrix.python-version == 'pypy3' || contains(matrix.env.TOXENV, 'pinned')
      run: |
        sudo apt-get update
        # libxml2 2.9.12 from ondrej/php PPA breaks lxml so we pin it to the bionic-updates repo version
        sudo apt-get install libxml2-dev/bionic-updates libxslt-dev

    - name: Run tests
      env: ${{ matrix.env }}
      run: |
        if [[ ! -z "$PYPY_VERSION" ]]; then
          export PYPY_VERSION="pypy$PYPY_VERSION-linux64"
          wget "https://downloads.python.org/pypy/${PYPY_VERSION}.tar.bz2"
          tar -jxf ${PYPY_VERSION}.tar.bz2
          if [ "${PYPY_VERSION:4:1}" = "2" ]; then
            pip install -U virtualenv
            virtualenv --python="$PYPY_VERSION/bin/pypy" "$HOME/virtualenvs/$PYPY_VERSION"
          else
            $PYPY_VERSION/bin/pypy3 -m venv "$HOME/virtualenvs/$PYPY_VERSION"
          fi
          source "$HOME/virtualenvs/$PYPY_VERSION/bin/activate"
        fi
        pip install -U tox
        tox

    - name: Upload coverage report
      run: bash <(curl -s https://codecov.io/bash)