test_pysteps.yml

name: Test pysteps

on:
  # Triggers the workflow on push or pull request events to the master branch
  push:
    branches:
      - master
      - pysteps-v2
  pull_request:
      branches:
        - master
        - pysteps-v2

jobs:
  unit_tests:
    name: Unit Tests (${{ matrix.python-version }}, ${{ matrix.os }})
    runs-on: ${{ matrix.os }}

    strategy:
      fail-fast: false
      matrix:
        os: [ "ubuntu-latest", "macos-latest", "windows-latest" ]
        python-version: ["3.10", "3.12"]
      max-parallel: 6

    defaults:
      run:
        shell: bash -l {0}

    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}

      # need headless opencv on Linux, see https://github.com/conda-forge/opencv-feedstock/issues/401
      - name: Install mamba and create environment for Linux
        if: matrix.os == 'ubuntu-latest'
        uses: mamba-org/setup-micromamba@v1
        with:
          # https://github.com/mamba-org/setup-micromamba/issues/225
          micromamba-version: 1.5.10-0
          environment-file: ci/ci_test_env.yml
          environment-name: test_environment
          generate-run-shell: false
          create-args: >-
            python=${{ matrix.python-version }}
            libopencv=*=headless*

      - name: Install mamba and create environment (not Linux)
        if: matrix.os != 'ubuntu-latest'
        uses: mamba-org/setup-micromamba@v1
        with:
          # https://github.com/mamba-org/setup-micromamba/issues/225
          micromamba-version: 1.5.10-0
          environment-file: ci/ci_test_env.yml
          environment-name: test_environment
          generate-run-shell: false
          create-args: python=${{ matrix.python-version }}

      - name: Install pygrib (not win)
        if: matrix.os != 'windows-latest'
        run: mamba install --quiet pygrib

      - name: Install pysteps for MacOS
        if: matrix.os == 'macos-latest'
        working-directory: ${{github.workspace}}
        env:
          CC: gcc-13
          CXX: g++-13
          CXX1X: g++-13
          HOMEBREW_NO_INSTALL_CLEANUP: 1
        run: |
          brew update-reset
          brew update
          gcc-13 --version || brew install gcc@13
          pip install .

      - name: Install pysteps
        if: matrix.os != 'macos-latest'
        working-directory: ${{github.workspace}}
        run: pip install .

      - name: Download pysteps data
        env:
          PYSTEPS_DATA_PATH: ${{github.workspace}}/pysteps_data
        working-directory: ${{github.workspace}}/ci
        run: python fetch_pysteps_data.py

      - name: Check imports
        working-directory: ${{github.workspace}}/pysteps_data
        run: |
          python --version
          python -c "import pysteps; print(pysteps.__file__)"
          python -c "from pysteps import motion"
          python -c "from pysteps.motion import vet"
          python -c "from pysteps.motion import proesmans"

      - name: Run tests and coverage report
        working-directory: ${{github.workspace}}/pysteps_data
        env:
          PYSTEPSRC: ${{github.workspace}}/pysteps_data/pystepsrc
        run: pytest --pyargs pysteps --cov=pysteps --cov-report=xml --cov-report=term -ra

      - name: Upload coverage to Codecov (Linux only)
        if: matrix.os == 'ubuntu-latest'
        uses: codecov/codecov-action@v4
        env:
          OS: ${{ matrix.os }}
          PYTHON: ${{ matrix.python-version }}
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          files: ${{github.workspace}}/pysteps_data/coverage.xml
          flags: unit_tests
          env_vars: OS,PYTHON
          fail_ci_if_error: true
          verbose: true