ci-additional.yaml

name: CI Additional
on:
  push:
    branches:
      - "*"
  pull_request:
    branches:
      - "*"
  workflow_dispatch: # allows you to trigger manually

jobs:
  detect-ci-trigger:
    name: detect ci trigger
    runs-on: ubuntu-latest
    if: github.event_name == 'push' || github.event_name == 'pull_request'
    outputs:
      triggered: ${{ steps.detect-trigger.outputs.trigger-found }}
    steps:
      - uses: actions/checkout@v2
      - uses: ./.github/actions/detect-ci-trigger
        id: detect-trigger
        with:
          keyword: "[skip-ci]"

  test:
    name: ${{ matrix.os }} ${{ matrix.env }}
    runs-on: ${{ matrix.os }}
    needs: detect-ci-trigger
    if: needs.detect-ci-trigger.outputs.triggered == 'false'
    defaults:
      run:
        shell: bash -l {0}
    strategy:
      fail-fast: false
      matrix:
        os: ["ubuntu-latest"]
        env:
          [
            "py37-bare-minimum",
            "py37-min-all-deps",
            "py37-min-nep18",
            "py38-all-but-dask",
            "py38-backend-api-v2",
            "py38-flaky",
          ]
    steps:
      - name: Cancel previous runs
        uses: styfle/cancel-workflow-action@0.6.0
        with:
          access_token: ${{ github.token }}
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0 # Fetch all history for all branches and tags.

      - name: Set environment variables
        run: |
          if [[ ${{ matrix.env }} == "py38-backend-api-v2" ]] ;
          then
            echo "CONDA_ENV_FILE=ci/requirements/environment.yml" >> $GITHUB_ENV
            echo "XARRAY_BACKEND_API=v2" >> $GITHUB_ENV

          elif [[ ${{ matrix.env }} == "py38-flaky" ]] ;
          then
            echo "CONDA_ENV_FILE=ci/requirements/environment.yml" >> $GITHUB_ENV
            echo "PYTEST_EXTRA_FLAGS=--run-flaky --run-network-tests" >> $GITHUB_ENV

          else
            echo "CONDA_ENV_FILE=ci/requirements/${{ matrix.env }}.yml" >> $GITHUB_ENV
          fi
      - name: Cache conda
        uses: actions/cache@v2
        with:
          path: ~/conda_pkgs_dir
          key:
            ${{ runner.os }}-conda-${{ matrix.env }}-${{
            hashFiles('ci/requirements/**.yml') }}

      - uses: conda-incubator/setup-miniconda@v2
        with:
          channels: conda-forge
          channel-priority: strict
          mamba-version: "*"
          activate-environment: xarray-tests
          auto-update-conda: false
          python-version: 3.8
          use-only-tar-bz2: true

      - name: Install conda dependencies
        run: |
          mamba env update -f $CONDA_ENV_FILE

      - name: Install xarray
        run: |
          python -m pip install --no-deps -e .

      - name: Version info
        run: |
          conda info -a
          conda list
          python xarray/util/print_versions.py
      - name: Import xarray
        run: |
          python -c "import xarray"
      - name: Run tests
        run: |
          python -m pytest -n 4 \
             --cov=xarray \
             --cov-report=xml \
             $PYTEST_EXTRA_FLAGS

      - name: Upload code coverage to Codecov
        uses: codecov/codecov-action@v1
        with:
          file: ./coverage.xml
          flags: unittests,${{ matrix.env }}
          env_vars: RUNNER_OS
          name: codecov-umbrella
          fail_ci_if_error: false
  doctest:
    name: Doctests
    runs-on: "ubuntu-latest"
    needs: detect-ci-trigger
    if: needs.detect-ci-trigger.outputs.triggered == 'false'
    defaults:
      run:
        shell: bash -l {0}

    steps:
      - name: Cancel previous runs
        uses: styfle/cancel-workflow-action@0.6.0
        with:
          access_token: ${{ github.token }}
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0 # Fetch all history for all branches and tags.
      - uses: conda-incubator/setup-miniconda@v2
        with:
          channels: conda-forge
          channel-priority: strict
          mamba-version: "*"
          activate-environment: xarray-tests
          auto-update-conda: false
          python-version: "3.8"

      - name: Install conda dependencies
        run: |
          mamba env update -f ci/requirements/environment.yml
      - name: Install xarray
        run: |
          python -m pip install --no-deps -e .
      - name: Version info
        run: |
          conda info -a
          conda list
          python xarray/util/print_versions.py
      - name: Run doctests
        run: |
          python -m pytest --doctest-modules xarray --ignore xarray/tests

  min-version-policy:
    name: Minimum Version Policy
    runs-on: "ubuntu-latest"
    needs: detect-ci-trigger
    if: needs.detect-ci-trigger.outputs.triggered == 'false'
    defaults:
      run:
        shell: bash -l {0}

    steps:
      - name: Cancel previous runs
        uses: styfle/cancel-workflow-action@0.6.0
        with:
          access_token: ${{ github.token }}
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0 # Fetch all history for all branches and tags.
      - uses: conda-incubator/setup-miniconda@v2
        with:
          channels: conda-forge
          channel-priority: strict
          mamba-version: "*"
          auto-update-conda: false

      - name: minimum versions policy
        run: |
          mamba install -y pyyaml
          python ci/min_deps_check.py ci/requirements/py37-bare-minimum.yml
          python ci/min_deps_check.py ci/requirements/py37-min-all-deps.yml