general-ci-tests.yml

name: General MOM_interface CI

# This CI workflow tests against the following questions: 
# 1. Does standalone mom build and run?
# 2. Does it pass the tests/check_default_params.py test?
# 3. Do the scripts in cime_config pass the black formatter? 
# Please see Issue #138 for more information

# Controls when the workflow will run
on:
  # Triggers the workflow on push or pull request events but only for the listed branches
  push:
    branches: ["main" ]
  pull_request:
    branches: [ "main" ]

jobs:
  
  check_standalone_mom_build_and_run_lightweight_examples:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest

    steps:
    
    # Copied from NCAR/MOM6 - Install Basic Build Packages for MOM6
      - name: Install Ubuntu Linux packages
        shell: bash
        run: |
          echo "::group::Install linux packages"
          sudo apt-get update
          sudo apt-get install netcdf-bin
          sudo apt-get install libnetcdf-dev
          sudo apt-get install libnetcdff-dev
          sudo apt-get install openmpi-bin
          sudo apt-get install libopenmpi-dev
          sudo apt-get install linux-tools-common
          sudo apt-get install -y csh
          echo "::endgroup::"
          
      # Checkout CESM (default branch) and externals
      - name: Checkout CESM and Externals
        run: |
          git clone https://github.com/ESCOMP/CESM.git 
          cd CESM
          ./bin/git-fleximod update
          
      # Checkout the correct MOM Branch
      - name: Checkout initial event (Pull Request)
        if: ${{ github.event_name == 'pull_request' }}
        run: |
          echo "Handling pull request"
          cd $GITHUB_WORKSPACE/CESM/components/mom/
          git fetch origin pull/${{ github.event.pull_request.number }}/head:pr-${{ github.event.pull_request.number }}
          git checkout pr-${{ github.event.pull_request.number }}

      - name: Checkout initial event (Push)
        if: ${{ github.event_name == 'push' }}
        run: |
          echo "Handling push"
          cd $GITHUB_WORKSPACE/CESM/components/mom/
          git checkout ${{ github.sha }}

      # Build the standalone mom using the macos script. build_examples-ncar doesn't work.    
      - name: Build Standalone MOM
        run: |
          cd $GITHUB_WORKSPACE/CESM/components/mom/standalone/build
          ./build_examples.sh --compiler gnu --machine ubuntu
          
      # CD into a couple MOM examples and run MOM in them. These are very light weight and quick.
      - name: Run Double Gyre Test
        run: |
          cd $GITHUB_WORKSPACE/CESM/components/mom/standalone/examples/double_gyre
          $GITHUB_WORKSPACE/CESM/components/mom/standalone/build/gnu/MOM6/MOM6
      - name: Run Single Column KPP Test
        run: |
          cd $GITHUB_WORKSPACE/CESM/components/mom/standalone/examples/single_column/KPP
          $GITHUB_WORKSPACE/CESM/components/mom/standalone/build/gnu/MOM6/MOM6
          

  # Job to run the check_default_params script, which is a test
  check_default_params:
    
    runs-on: ubuntu-latest
    
    steps:
      # Checkout the repo
      - uses: actions/checkout@v4
      
      # Run the test
      - name: Run the check_default_params script
        run: python tests/check_default_params.py
        
  # Job to run the black formatter for cime_config, see black documentation for more info
  check_black_format_for_cime_config:
    
    runs-on: ubuntu-latest
    
    steps:
      # Checkout the repo
      - uses: actions/checkout@v4
      
      # Run black check
      - uses: psf/black@stable
        with:
          options: "--check --verbose"
          src: "./cime_config"