ci.yaml

name: CI
# https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#concurrency
# https://docs.github.com/en/developers/webhooks-and-events/events/github-event-types#pullrequestevent
concurrency:
  group: ${{ github.workflow }}-${{ github.event.number }}-${{ github.event.type }}
  cancel-in-progress: true

on: [push, pull_request]

jobs:
  lint:
    name: lint and style checks
    runs-on: ubuntu-latest
    steps:
      - name: Checkout source
        uses: actions/checkout@v4
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: 3.11
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install flake8 flake8-docstrings flake8-debugger flake8-bugbear pytest
      - name: Run linting
        run: |
          flake8 uwsift/

  website:
    name: build website
    runs-on: ubuntu-latest
    defaults:
      run:
        shell: "bash -l {0}"
    steps:
      - name: Checkout source
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Conda Environment
        uses: conda-incubator/setup-miniconda@v3
        with:
          miniforge-version: latest
          python-version: "3.11"
          environment-file: continuous_integration/environment.yaml
          activate-environment: test-environment
          channels: conda-forge

      - name: Install SIFT
        shell: bash -l {0}
        run: |
          pip install sphinx sphinx_rtd_theme sphinxcontrib-apidoc sphinxcontrib-seqdiag sphinxcontrib-blockdiag blockdiag
          pip install --no-deps -e .

      - name: Run Sphinx Build
        shell: bash -l {0}
        run: |
          cd doc
          make html SPHINXOPTS="-W"

  test:
    runs-on: ${{ matrix.os }}
    defaults:
      run:
        shell: "bash -l {0}"
    continue-on-error: ${{ matrix.experimental }}
    needs: [lint]
    strategy:
      fail-fast: true
      matrix:
        # XXX: We don't currently have OpenGL installation on other platforms
        #os: ["windows-latest", "ubuntu-latest", "macos-latest"]
        os: ["ubuntu-latest"]
        python-version: ["3.9", "3.11"]
        experimental: [false]
        include:
          - python-version: "3.11"
            os: "ubuntu-latest"
            experimental: true

    env:
      PYTHON_VERSION: ${{ matrix.python-version }}
      OS: ${{ matrix.os }}
      UNSTABLE: ${{ matrix.experimental }}
      ACTIONS_ALLOW_UNSECURE_COMMANDS: true

    steps:
      - name: Checkout source
        uses: actions/checkout@v4

      - name: Prepare System Environment
        run: |
          # opengl system libraries
          sudo apt-get update
          cat continuous_integration/linux_full_deps_apt.txt | xargs sudo apt-get -y install
          # Start xvfb daemon
          export DISPLAY=:99.0
          /sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_99.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :99 -screen 0 1400x900x24 -ac +extension GLX +render
          sleep 5
          # export python_version
          PY_VER=${{ matrix.python-version }}
          echo ::set-output name=python-version::${PY_VER//.}

      - name: Setup Conda Environment
        uses: conda-incubator/setup-miniconda@v3
        with:
          miniforge-version: latest
          python-version: ${{ matrix.python-version }}
          environment-file: continuous_integration/environment.yaml
          activate-environment: test-environment
          channels: conda-forge

      - name: Install unstable dependencies
        if: matrix.experimental == true
        run: |
          python -m pip install \
          --index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple/ \
          --trusted-host pypi.anaconda.org \
          --no-deps --pre --upgrade \
          matplotlib \
          numpy \
          pandas \
          scipy; \
          python -m pip install \
          --no-deps --upgrade \
          git+https://github.com/dask/dask \
          git+https://github.com/dask/distributed \
          git+https://github.com/Unidata/cftime \
          git+https://github.com/mapbox/rasterio \
          git+https://github.com/pydata/bottleneck \
          git+https://github.com/pydata/xarray \
          git+https://github.com/pytroll/satpy;

      - name: Install uwsift
        run: |
          pip install --no-deps -e .

      - name: Run unit tests
        run: |
          export DISPLAY=:99.0
          pytest --cov=uwsift uwsift/tests

      - name: Coveralls Parallel
        uses: AndreMiras/coveralls-python-action@develop
        with:
          flag-name: run-${{ matrix.test_number }}
          parallel: true
        if: runner.os == 'Linux'

  coveralls:
    needs: [test]
    runs-on: ubuntu-latest
    steps:
      - name: Coveralls Finished
        uses: AndreMiras/coveralls-python-action@develop
        with:
          parallel-finished: true