name: Test

on: [push, pull_request]

jobs:
  build:

    strategy:
      fail-fast: false
      matrix:
        os: [
          "ubuntu-latest",
          "macOS-latest",
        ]
        python-version: [
          "pypy3",
          "3.8",
          "3.7",
          "3.6",
          "3.5",
        ]
        include:
        - python-version: "3.5"
          env: PYTHONOPTIMIZE=2
        - python-version: "3.6"
          env: PYTHONOPTIMIZE=1
        # Include new variables for Codecov
        - os: ubuntu-latest
          codecov-flag: GHA_Ubuntu
        - os: macOS-latest
          codecov-flag: GHA_macOS

    runs-on: ${{ matrix.os }}
    name: ${{ matrix.os }} Python ${{ matrix.python-version }}

    steps:
    - uses: actions/checkout@v1

    - name: Ubuntu cache
      uses: actions/cache@v1
      if: startsWith(matrix.os, 'ubuntu')
      with:
        path: ~/.cache/pip
        key:
          ${{ matrix.os }}-${{ matrix.python-version }}-${{ hashFiles('**/.ci/*.sh') }}
        restore-keys: |
          ${{ matrix.os }}-${{ matrix.python-version }}-

    - name: macOS cache
      uses: actions/cache@v1
      if: startsWith(matrix.os, 'macOS')
      with:
        path: ~/Library/Caches/pip
        key:
          ${{ matrix.os }}-${{ matrix.python-version }}-${{ hashFiles('**/.ci/*.sh') }}
        restore-keys: |
          ${{ matrix.os }}-${{ matrix.python-version }}-

    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v1
      with:
        python-version: ${{ matrix.python-version }}

    - name: Build system information
      run: python .github/workflows/system-info.py

    - name: Install Linux dependencies
      if: startsWith(matrix.os, 'ubuntu')
      run: |
        .ci/install.sh

    - name: Install macOS dependencies
      if: startsWith(matrix.os, 'macOS')
      run: |
        .github/workflows/macos-install.sh

    - name: Build
      run: |
        .ci/build.sh

    - name: Test
      run: |
        .ci/test.sh

    - name: Upload errors
      uses: actions/upload-artifact@v1
      if: failure()
      with:
        name: errors
        path: Tests/errors

    - name: After success
      if: success()
      run: |
        .ci/after_success.sh

    - name: Prepare coverage token
      if: success() && github.repository == 'python-pillow/Pillow'
      run: cp .github/codecov-upstream.yml codecov.yml

    - name: Upload coverage
      if: success()
      uses: codecov/codecov-action@v1
      with:
        token: ${{ secrets.CODECOV_TOKEN }}
        flags: ${{ matrix.codecov-flag }}
        name: ${{ matrix.os }} Python ${{ matrix.python-version }}