name: Python tests

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

env:
  OMP_NUM_THREADS: 2
  MKL_NUM_THREADS: 2

jobs:
  test:
    name: Run tests on ${{ matrix.os }} with Python ${{ matrix.python }}
    strategy:
      matrix:
        os: [ubuntu-latest]
        python: ['3.10']
        torch: ['1.13.0']
        torchvision: ['0.14.0']
    runs-on: ${{ matrix.os }}

    steps:
    - uses: actions/checkout@v2
    - name: Set up Python ${{ matrix.python }}
      uses: actions/setup-python@v1
      with:
        python-version: ${{ matrix.python }}
    - name: Install testing dependencies
      run: |
        python -m pip install --upgrade pip
        pip install pytest pytest-timeout pytest-xdist pytest-forked expecttest
    - name: Install torch on mac
      if: startsWith(matrix.os, 'macOS')
      run: pip install --no-cache-dir torch==${{ matrix.torch }} torchvision==${{ matrix.torchvision }}
    - name: Install torch on Windows
      if: startsWith(matrix.os, 'windows')
      run: pip install --no-cache-dir torch==${{ matrix.torch }} torchvision==${{ matrix.torchvision }}
    - name: Install torch on ubuntu
      if: startsWith(matrix.os, 'ubuntu')
      run: |
        pip install --no-cache-dir torch==${{ matrix.torch }}+cpu torchvision==${{ matrix.torchvision }}+cpu -f https://download.pytorch.org/whl/torch_stable.html
        sudo apt update
        sudo apt install -y google-perftools
    - name: Install requirements
      run: |
        pip install -r requirements.txt
        pip install --no-cache-dir git+https://github.com/mapillary/inplace_abn.git
    - name: Run tests on Windows
      if: startsWith(matrix.os, 'windows')
      env:
        PYTHONDONTWRITEBYTECODE: 1
      run: |
        pytest -vv tests
    - name: Run tests on Linux / Mac
      if: ${{ !startsWith(matrix.os, 'windows') }}
      env:
        LD_PRELOAD: /usr/lib/x86_64-linux-gnu/libtcmalloc.so.4
        PYTHONDONTWRITEBYTECODE: 1
      run: |
        pytest -vv --forked --durations=0 tests