ci_cd.yml

name: Unit Testing and Deployment

on:
  pull_request:
  workflow_dispatch:
  push:
    tags:
      - "*"
    branches:
      - main

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  ALLOW_PLOTTING: true
  SHELLOPTS: 'errexit:pipefail'

jobs:
  doc:
    name: Build Documentation
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v4

      - name: Set up Python 3.11
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'
          cache: 'pip'
          cache-dependency-path: pyproject.toml

      - name: Install pytest-pyvista with test dependencies
        run: pip install .[docs] 'pyvista>=0.37'

      - uses: awalsh128/cache-apt-pkgs-action@v1.1.3
        with:
          packages: libgl1-mesa-glx xvfb
          version: 3.0

      - name: Build Documentation
        run: |
          make -C doc html
          touch doc/_build/html/.nojekyll

      - name: Deploy on release
        if: startsWith(github.ref, 'refs/tags/v')
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: doc/_build/html/

  Linux:
    name: Linux Unit Testing
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false

      matrix:
        include:
          - python-version: '3.8'
            vtk-version: '9.0.3'
          - python-version: '3.9'
            vtk-version: '9.1'
          - python-version: '3.10'
            vtk-version: '9.2.2'
          - python-version: '3.11'
            vtk-version: 'latest'
    steps:
      - uses: actions/checkout@v4

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          cache: 'pip'
          cache-dependency-path: pyproject.toml

      - name: Install pytest-pyvista with test dependencies
        run: |
          pip install .[tests] 'pyvista>=0.37'

      - name: Set up vtk
        if: ${{ matrix.vtk-version != 'latest' }}
        run: pip install vtk==${{ matrix.vtk-version }}

      - name: Limit NumPy for VTK 9.0.3
        if: ${{ matrix.vtk-version == '9.0.3' }}
        run: pip install 'numpy<1.24'

      - uses: awalsh128/cache-apt-pkgs-action@v1.1.3
        with:
          packages: libgl1-mesa-glx xvfb python-tk
          version: 3.0

      - name: Software Report
        run: |
          xvfb-run python -c "import pytest_pyvista; pytest_pyvista"
          which python
          pip list

      - name: Unit Testing
        run: xvfb-run coverage run -m --source=pytest_pyvista --module pytest --verbose .
      - uses: codecov/codecov-action@v3
        if: matrix.python-version == '3.9'
        name: 'Upload coverage to CodeCov'

  release:
    name: Release
    if: |
      github.event_name == 'push' &&
      contains(github.ref, 'refs/tags')
    runs-on: ubuntu-latest

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

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ env.MAIN_PYTHON_VERSION }}

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip build twine

      - name: Build artifacts
        run: |
          python -m build && python -m twine check dist/*

      - name: Publish to PyPI
        env:
          TWINE_USERNAME: __token__
          TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
        run: |
          python -m twine upload --skip-existing ./**/*.whl
          python -m twine upload --skip-existing ./**/*.tar.gz

      - name: Publish to GitHub
        uses: softprops/action-gh-release@v1
        with:
          files: |
            ./**/*.whl
            ./**/*.tar.gz

  downstream:
    name: Downstream tests
    runs-on: ubuntu-20.04  # matching pyvista
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - run: git clone --depth=1 https://github.com/pyvista/pyvista.git --branch main --single-branch
  
      - name: Install pyvista
        run: pip install -ve .
        working-directory: pyvista
      - name: Install pyvista test requirements
        run: pip install -v -r requirements_test.txt
        working-directory: pyvista
      - name: Install pytest-pyvista
        run: pip install -ve .
      - name: Software Report
        run: |
          xvfb-run python -c "import pyvista; print(pyvista.Report()); from pyvista import examples; print('User data path:', examples.USER_DATA_PATH)"
          which python
          pip list
        working-directory: pyvista
  
      - name: Unit Testing
        run: xvfb-run python -m pytest --fail_extra_image_cache -v --generated_image_dir gen_dir tests/plotting/test_plotting.py
        working-directory: pyvista
        
      - name: Upload generated image artifact
        if: ${{ failure() }}
        uses: actions/upload-artifact@v4
        with:
          name: generated_images
          path: pyvista/gen_dir