tests.yml

name: Tests

on:
  push:
  pull_request:

jobs:
  lint:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout
      uses: actions/checkout@v3

    - name: Set up Python
      uses: actions/setup-python@v3

    - name: Add conda to system path
      run: |
        # $CONDA is an environment variable pointing to the root of the miniconda directory
        echo $CONDA/bin >> $GITHUB_PATH

    - name: Creating conda environment for ${{ matrix.python-version }}
      run: |
        conda create -n test -y make netcdf4 xarray

    - name: Install dependencies
      run: |
        conda run -n test python3 -m pip install -e .[tests]

    - name: Linting
      run: |
        conda run -n test make lint

  tests:
    runs-on: ubuntu-latest
    strategy:
        max-parallel: 10
        matrix:
          python-version: [3.7, 3.8, 3.9, "3.10", "3.11"]

    steps:
    - name: Checkout
      uses: actions/checkout@v3

    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v3
      with:
        python-version:  ${{ matrix.python-version }}

    - name: Add conda to system path
      run: |
        # $CONDA is an environment variable pointing to the root of the miniconda directory
        echo $CONDA/bin >> $GITHUB_PATH

    - name: Creating conda environment for ${{ matrix.python-version }}
      run: |
        conda create -n test -y python=${{matrix.python-version}} netcdf4 zarr make

    - name: Install dependencies
      run: |
        conda run -n test python3 -m pip install -e .[tests] #--constraint .github/dependabot/constraints.txt

    - name: Test with pytest
      run: |
        conda run -n test make test

    - name: Upload coverage to Codecov
      uses: codecov/codecov-action@v1
  dependabot:
    name: Merge PR by dependabot
    needs: [tests, lint]
    runs-on: ubuntu-latest
    # Specifically check that dependabot (or another trusted party) created this pull-request, and that it has been labelled correctly.
    if: github.event.pull_request.user.login == 'dependabot[bot]'
    steps:
      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@v1
        with:
          github-token: "${{ secrets.TOKEN }}"
      - name: Approve dependabot's PR
        run: gh pr review --approve "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{secrets.TOKEN}}
      - name: Auto-merge for dependabot's PR
        run: gh pr merge --merge --auto "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{secrets.TOKEN}}