name: Code Test

on:
  - push
  - pull_request

jobs:
  unittest:
    name: Code test
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
          - 'ubuntu-18.04'
        python-version:
          - '3.6'
          - '3.7'
          - '3.8'
          - '3.9'
        torch-version:
          - '1.4.0'
          - '1.5.0'
          - '1.6.0'
          - '1.7.0'
          - '1.8.0'
          - '1.9.0'
        exclude:
          - os: 'ubuntu-18.04'
            python-version: '3.9'
            torch-version: '1.4.0'
          - os: 'ubuntu-18.04'
            python-version: '3.9'
            torch-version: '1.5.0'
          - os: 'ubuntu-18.04'
            python-version: '3.9'
            torch-version: '1.6.0'
          - os: 'ubuntu-18.04'
            python-version: '3.9'
            torch-version: '1.7.0'

    steps:
      - name: Checkout code
        uses: actions/checkout@v2
        with:
          fetch-depth: 20
      - name: Set up system dependences on linux
        if: ${{ runner.os == 'Linux' }}
        run: |
          sudo apt-get update
          sudo apt-get install -y tree cloc wget curl make graphviz
          sudo apt-get install -y libxml2-dev libxslt-dev python-dev  # need by pypy3
          dot -V
      - name: Set up python ${{ matrix.python-version }}
        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python-version }}
      - name: Install basic dependencies
        run: |
          python -m pip install --upgrade pip
          pip install --upgrade flake8 setuptools wheel twine
      - name: Install latest pytorch
        if: ${{ matrix.torch-version == 'latest' }}
        run: |
          pip install 'torch'
      - name: Install pytorch v${{ matrix.torch-version }}
        if: ${{ matrix.torch-version != 'latest' }}
        run: |
          pip install 'torch==${{ matrix.torch-version }}'
      - name: Install dependencies
        run: |
          pip install -r requirements.txt
          pip install -r requirements-test.txt
      - name: Test the basic environment
        run: |
          python -V
          pip --version
          pip list
          tree .
          cloc treetensor
          cloc test
      - name: Run unittest
        env:
          CI: 'true'
        run: |
          make unittest
      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v1
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          file: ./coverage.xml
          flags: unittests
          name: codecov-umbrella
          fail_ci_if_error: false