run_tests.yml

# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

name: Run tests

on:
  pull_request:
  schedule:
    - cron: "0 2 * * 6"

jobs:
  check_version:
    strategy:
      matrix:
        python-version: [ 3.8 ]
        os: [ ubuntu-latest ]
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v2

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

      - name: Check version
        if: (github.event_name == 'pull_request' && github.base_ref == 'master')
        run: |
          python -m pip install --upgrade pip

          python -m pip install git+https://github.com/google-research/torchsde.git
          master_info=$(pip list | grep torchsde)
          master_version=$(echo ${master_info} | cut -d " " -f2)
          python -m pip uninstall -y torchsde

          python setup.py install
          pr_info=$(pip list | grep torchsde)
          pr_version=$(echo ${pr_info} | cut -d " " -f2)

          python -c "import itertools as it
          import sys

          _, master_version, pr_version = sys.argv

          master_version_ = [int(i) for i in master_version.split('.')]
          pr_version_ = [int(i) for i in pr_version.split('.')]

          master_version__ = tuple(m for p, m in it.zip_longest(pr_version_, master_version_, fillvalue=0))
          pr_version__ = tuple(p for p, m in it.zip_longest(pr_version_, master_version_, fillvalue=0))
          sys.exit(pr_version__ < master_version__)" ${master_version} ${pr_version}

  build:
    needs: [ check_version ]
    strategy:
      matrix:
        python-version: [ 3.6, 3.8 ]
        os: [ ubuntu-latest, macOS-latest, windows-latest ]
      fail-fast: false
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v2

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

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install flake8 pytest

      - name: Windows patch  # Specifically for windows, since pip fails to fetch torch 1.6.0 as of Oct 2020.
        if: runner.os == 'Windows'
        run: python -m pip install torch==1.6.0+cpu torchvision==0.7.0+cpu -f https://download.pytorch.org/whl/torch_stable.html

      - name: Lint with flake8
        run: |
          python -m flake8 .

      - name: Test with pytest
        run: |
          python setup.py install
          python -m pytest