CI.yml

# Run CI tests
name: CI

# Controls when the action will run.
on:
  # Triggers the workflow on push or pull request events but only for the master branch
  push:
    branches: main
  pull_request:
    branches: main
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:
env:
  PY_VERSION: "3.11"

jobs:
  # JOB to run change in the build files
  changes:
    runs-on: ubuntu-latest
    # Required permissions
    permissions:
      pull-requests: read
    # Set job outputs to values from filter step
    outputs:
      files: ${{ steps.filter.outputs.files }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4.1.7

      - name: Filter files
        uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 #v3.0.2
        id: filter
        with:
          filters: |
            files:
              - 'setup.py'
              - 'pyproject.toml'
              - '.conda/env_build.yml'
              - '.conda/meta.yml'

  verify-conda-build:
    name: Conda Build
    runs-on: ubuntu-latest
    needs: changes
    # Only run if there are changes in the build files
    if: ${{ needs.changes.outputs.files == 'true' }}
    steps:
      - uses: actions/checkout@v4

      - name: Setup conda build environment
        uses: conda-incubator/setup-miniconda@a4260408e20b96e80095f42ff7f1a15b27dd94ca # v3.0.4
        with:
          miniconda-version: "latest"
          python-version: ${{ env.PY_VERSION }} 
          environment-file: .conda/env_build.yml
          auto-activate-base: false
          auto-update-conda: false
          show-channel-urls: true

      - name: Verify conda recipe
        shell: bash -el {0}
        run: conda-verify .conda --ignore C2105,C2122

      - name: Run conda build
        shell: bash -el {0}
        run: conda build . --no-anaconda-upload --output-folder=./build -c conda-forge -c accessnri -c coecms

      - name: Verify conda package
        shell: bash -el {0}
        run: conda-verify ./build/noarch/*.tar.bz2 --ignore C1105,C1115,C1141
  
  tests:
    name: Tests
    runs-on: ubuntu-latest
    strategy:
      fail-fast: true
      matrix:
        python-version: ["3.10", "3.11", "3.12"]
    env:
      ARTIFACT_LOCATION: ${{ github.workspace }}/conda-local
    steps:
      - name: Checkout code
        uses: actions/checkout@v4.1.7

      - name: Setup conda environment
        uses: conda-incubator/setup-miniconda@a4260408e20b96e80095f42ff7f1a15b27dd94ca # v3.0.4
        with:
          miniconda-version: "latest"
          python-version: ${{ matrix.python-version }}
          environment-file: .conda/env_dev.yml
          activate-environment: um2nc-dev
          auto-update-conda: false
          auto-activate-base: false
          show-channel-urls: true

      - name: Install source
        shell: bash -l {0}
        run: python3 -m pip install --no-deps --no-build-isolation -e .

      - name: List installed packages
        shell: bash -l {0}
        run: conda list

      - name: Lint
        shell: bash -l {0}
        run: pylint --extension-pkg-whitelist=netCDF4 --ignored-modules=umpost -E umpost

      - name: Entrypoint test of driver script
        shell: bash -l {0}
        run: esm1p5_convert_nc --help

      - name: Entrypoint test of um2netcdf script
        shell: bash -l {0}
        run: um2nc --help

      - name: Run tests
        shell: bash -l {0}
        run: python -m pytest --cov=umpost --cov-report=xml -s test

      - name: Upload code coverage
        uses: codecov/codecov-action@b9fd7d16f6d7d1b5d2bec1a2887e65ceed900238 #v4.6.0
        # Only upload once for the installed version
        if: matrix.python-version == ${{ env.PY_VERSION }}
        with:
          token: ${{ secrets.codecov_token }}
          files: ./coverage.xml