Tests.yml

name: Tests

on: [pull_request, push]

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: [3.6, 3.7, 3.9]
        iris-version: [3.0.1, 3.1]
        include:
          # Extra Iris 2.4 test for just Python 3.6
          - python-version: 3.6
            iris-version: 2.4
        exclude:
          - python-version: 3.9
            iris-version: 3.0.1
          - python-version: 3.7
            iris-version: 3.0.1
          - python-version: 3.6
            iris-version: 3.1

    steps:
    - uses: actions/checkout@v2
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v1
      with:
        python-version: ${{ matrix.python-version }}
    - name: Install Iris 2.4
      run: |
        $CONDA/bin/conda install -c conda-forge python=${{ matrix.python-version }} iris=${{ matrix.iris-version }} cftime=1.0.4 requests mock pytest filelock dask
      if: matrix.iris-version == '2.4'
    - name: Install Iris 3.0.1
      # Pin all relevant versions to match common community installations
      run: |
        $CONDA/bin/conda install -c conda-forge python=3.6.6 iris=${{ matrix.iris-version }} cf-units=2.1.3 cftime=1.2.1 netCDF4=1.4.2 libnetcdf=4.6.1 numpy=1.19.2 udunits2=2.2.27.6 requests mock pytest filelock dask
      if: matrix.iris-version == '3.0.1'
    - name: Install Iris 3.1
      run: |
        $CONDA/bin/conda install -c conda-forge python=${{ matrix.python-version }} iris=${{ matrix.iris-version }} cftime requests mock pytest filelock
      if: matrix.iris-version == '3.1'
    - name: Activate environment and run tests
      run: |
        export PYTHONPATH=.
        $CONDA/bin/pytest -vv