python-app.yml

name: Python application

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

permissions:
  contents: read

jobs:

  test:

    runs-on: ubuntu-latest
    timeout-minutes: 10
    strategy:
      matrix:
        python-version: ["3.11", "3.12", "3.13", "3.14"]

    steps:
    - uses: actions/checkout@v6

    - name: Install OpenMPI
      uses: awalsh128/cache-apt-pkgs-action@latest
      with:
        packages: openmpi-bin openmpi-common libopenmpi-dev

    - name: Set up Python
      uses: actions/setup-python@v6
      with:
        python-version: ${{matrix.python-version}}
        cache: 'pip'

    - name: Install testing dependencies
      run: |
        python -m pip install --upgrade pip
        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
        pip install pytest pooch pandas
        pip install .

    - name: Make Trident folder
      run: mkdir -p ~/.trident/

    - name: Cache Trident data
      id: cache-table
      uses: actions/cache@v5
      with:
        path: ~/.trident/
        key: ${{ runner.os }}-ion-table

    - name: Configure Trident
      if: steps.cache-table.outputs.cache-hit != 'true'
      run: |
        wget http://trident-project.org/data/ion_table/hm2012_ss_hr.h5.gz
        gunzip hm2012_ss_hr.h5.gz
        mv hm2012_ss_hr.h5 ~/.trident/
        cp .github/scripts/config.tri ~/.trident/
        ls ~/.trident

    - name: Cache yt data
      id: cache-datasets
      uses: actions/cache@v5
      with:
        path: ./tests/data/
        key: ${{ runner.os }}-datasets

    # if cache misses, data will be downloaded during the pytest step

    - name: Configure yt data dir
      run: yt config set --local yt test_data_dir ./tests/data/

    - name: Run pytest
      run: pytest