ci.yaml

# This uses actios:
#  checkout: https://github.com/actions/checkout
#  cache: https://github.com/actions/cache
#  codecov-action: https://github.com/codecov/codecov-action

name: CI
on:
  push:
    branches:
      - "*"
  pull_request:
    branches:
      - "*"
        # Nothing scheduled, just PRs and pushes
        #  schedule:
        #    - cron: "0 0 * * *" # Daily at midnight

jobs:
  build:
    name: Build (${{ matrix.python-version }} | ${{ matrix.os }})
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: ["ubuntu-latest"]
        python-version: ["3.8", "3.9", "3.10"]
    steps:
      - uses: actions/checkout@v2
      - name: Cache conda
        uses: actions/cache@v2
        env:
          # Increase this value to reset cache if ci/environment.yml has not changed
          CACHE_NUMBER: 0
        with:
          path: ~/conda_pkgs_dir
          key: ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{ hashFiles('ci/environment.yml') }}
      - uses: conda-incubator/setup-miniconda@v2
        with:
          activate-environment: test_env # Defined in ci/environment*.yml
          auto-update-conda: false
          python-version: ${{ matrix.python-version }}
          environment-file: ci/environment-py${{ matrix.python-version }}.yml
          use-only-tar-bz2: true # IMPORTANT: This needs to be set for caching to work properly!
      - name: Set up conda environment
        shell: bash -l {0}
        run: |
          python -m pip install -e .
          conda list
      - name: Run Tests
        shell: bash -l {0}
        run: |
          py.test --cov=./ --cov-report=xml
      - name: Upload code coverage to Codecov
        uses: codecov/codecov-action@v1
        with:
          file: ./coverage.xml
          flags: unittests
          env_vars: OS,PYTHON
          name: codecov-umbrella
          fail_ci_if_error: false

  xarray-master:
    name: Build xarray-master
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: Cache conda
      uses: actions/cache@v2
      env:
        # Increase this value to reset cache if ci/environment-upstream-dev.yml has not changed
        CACHE_NUMBER: 0
      with:
        path: ~/conda_pkgs_dir
        key: ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{ hashFiles('ci/environment-upstream-dev.yml') }}
    - uses: conda-incubator/setup-miniconda@v2
      with:
        activate-environment: test_env # Defined in ci/environment-*.yml
        auto-update-conda: false
        environment-file: ci/environment-xarraymaster.yml
        use-only-tar-bz2: true # IMPORTANT: This needs to be set for caching to work properly!
    - name: Set up conda environment
      shell: bash -l {0}
      run: |
        python -m pip install -e .
        conda list
    - name: Run Tests
      shell: bash -l {0}
      run: |
        py.test --cov=./ --cov-report=xml
    - name: Upload code coverage to Codecov
      uses: codecov/codecov-action@v1
      with:
        file: ./coverage.xml
        flags: unittests
        env_vars: OS,PYTHON
        name: codecov-umbrella
        fail_ci_if_error: false