create_test_conda_env.yml

name: create_test_conda_env

on: [push, pull_request]

jobs:
  build-linux:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
      with:
        submodules: 'recursive'
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: '>=3.9'

    - name: Add conda to system path
      run: |
        # $CONDA is an env var pointing to root of miniconda dir
        echo $CONDA/bin >> $GITHUB_PATH

    - name: Create fms_yaml_tools environment
      run: |
        # create environment containing all dependencies
        # the env cannot be explicitly activated in github CI/CD
        conda env create -f environment.yml --name fms_yaml_tools

        # add conda env's executables to github's PATH equiv.
        echo $CONDA/envs/fms_yaml_tools/bin >> $GITHUB_PATH

        # use *conda environment's pip* to install fms_yaml_tools
        # called w/ full path to conda's python for explicitness
        # called as a module (-m pip) for explicitness
        $CONDA/envs/fms_yaml_tools/bin/python -m pip install --prefix $CONDA/envs/fms_yaml_tools .

    - name: Run unittest in fms_yaml_tools environment
      run: |
        # try to make sure the right things are in GITHUB_PATH
        echo $CONDA/envs/fms_yaml_tools/bin >> $GITHUB_PATH
        python -m unittest discover -s test