name: Testing

on: [push, pull_request]

jobs:

  pytest:
    runs-on: ${{ matrix.os }}

    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        python-version: [3.6]
        torch-version: [1.8.0, 1.9.0]

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

      - name: Update pip
        run: |
          pip install --upgrade pip
          python -c "from pip._internal.locations import USER_CACHE_DIR; print('::set-output name=dir::' + USER_CACHE_DIR)"

      - name: Get pip cache
        id: pip-cache
        run: |
          python -c "from pip._internal.locations import USER_CACHE_DIR; print('::set-output name=dir::' + USER_CACHE_DIR)"

      - name: Cache pip
        uses: actions/cache@v2
        with:
          path: ${{ steps.pip-cache.outputs.dir }}
          key: ${{ runner.os }}-pip-py${{ matrix.python-version }}-torch==${{ matrix.torch-version }}

      - name: Install PyTorch ${{ matrix.torch-version }}
        run: |
          pip install torch==${{ matrix.torch-version}}+cpu -f https://download.pytorch.org/whl/torch_stable.html

      - name: Install main package
        run: |
          pip install -e .[test]

      - name: Run test-suite
        run: |
          python setup.py test

      - name: Generate coverage report
        if: success()
        run: |
          pip install coverage
          coverage xml

      - name: Upload coverage report to codecov
        uses: codecov/codecov-action@v1
        if: success()
        with:
          file: coverage.xml