build.yml

name: build

on: [push]

jobs:
  build:
    name: build and test on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}

    strategy:
      fail-fast: false
      matrix:
        os: ['ubuntu-latest', 'macos-latest']
        python-version: [3.8]

    steps:
    - name: Cancel Previous Runs
      uses: styfle/cancel-workflow-action@0.12.0
      with:
          access_token: ${{ github.token }}
    - uses: actions/checkout@v4
    - name: Setup conda
      uses: conda-incubator/setup-miniconda@v3
      with:
        miniconda-version: "latest"
        auto-update-conda: true
        python-version: ${{ matrix.python-version }}
        activate-environment: test
        auto-activate-base: false
    - name: Install essential
      run: |
        sudo apt update
        sudo apt install build-essential
    - name: Install conda packages
      run: |
        conda activate test
        conda install -c anaconda cmake
        conda install mpi4py h5py pytorch==2.0.0 torchvision==0.15.0 cpuonly -c pytorch -c conda-forge
        conda install -c conda-forge libstdcxx-ng
        conda install -c anaconda gxx_linux-64

    - name: Install the package
      run: python -m pip install .[test,hpc]
      env:
        CONDA_PREFIX: /usr/share/miniconda

    - name: Test with multithreading
      env:
        CONDA_PREFIX: /usr/share/miniconda
      run: mpirun -np 2 coverage run -m pytest tests_hvd

    - name: Test with single thread
      env:
        CONDA_PREFIX: /usr/share/miniconda
      run: coverage run -m pytest tests

    - name: Combine all coverage results
      run: coverage combine

    - run: coverage report

    - name: Coveralls Parallel
      run: coveralls --service=github
      env:
        GITHUB_TOKEN: ${{ secrets.github_token }}
        COVERALLS_FLAG_NAME: python-${{ matrix.python-version }}
        COVERALLS_PARALLEL: true

  finish:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Coveralls Finished
        uses: coverallsapp/github-action@master
        with:
          github-token: ${{ secrets.github_token }}
          parallel-finished: true