name: CI
on: [push, pull_request]
jobs:
  tests:
    name: Tests
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: true
      matrix:
        os: [ubuntu-20.04]
        # TODO: python 2.6
        # TODO: restore support for 3.3, 3.4
        python-version: [2.7, 3.5, 3.6, 3.7, 3.8, 3.9, pypy-2.7, pypy-3.6, pypy-3.7]
        python-impl: [cpython]
        ytdl-test-set: [core, download]
        run-tests-ext: [sh]
        include:
        # python 3.2 is only available on windows via setup-python
        - os: windows-2019
          python-version: 3.2
          python-impl: cpython
          ytdl-test-set: core
          run-tests-ext: bat
        - os: windows-2019
          python-version: 3.2
          python-impl: cpython
          ytdl-test-set: download
          run-tests-ext: bat
        # jython
        - os: ubuntu-20.04
          python-impl: jython
          ytdl-test-set: core
          run-tests-ext: sh
        - os: ubuntu-20.04
          python-impl: jython
          ytdl-test-set: download
          run-tests-ext: sh
    steps:
    - uses: actions/checkout@v3
    - name: Set up supported Python ${{ matrix.python-version }}
      uses: actions/setup-python@v4
      if: ${{ matrix.python-impl == 'cpython' && ! contains(fromJSON('["3.3", "3.4"]'), matrix.python-version) }}
      with:
        python-version: ${{ matrix.python-version }}
    - name: Set up Java 8
      if: ${{ matrix.python-impl == 'jython' }}
      uses: actions/setup-java@v2
      with:
        java-version: 8
        distribution: 'zulu'
    - name: Install Jython
      if: ${{ matrix.python-impl == 'jython' }}
      run: |
        wget https://repo1.maven.org/maven2/org/python/jython-installer/2.7.1/jython-installer-2.7.1.jar -O jython-installer.jar
        java -jar jython-installer.jar -s -d "$HOME/jython"
        echo "$HOME/jython/bin" >> $GITHUB_PATH
    - name: Install nose
      if: ${{ matrix.python-impl != 'jython' }}
      run: pip install nose
    - name: Install nose (Jython)
      if: ${{ matrix.python-impl == 'jython' }}
      # Working around deprecation of support for non-SNI clients at PyPI CDN (see https://status.python.org/incidents/hzmjhqsdjqgb)
      run: |
        wget https://files.pythonhosted.org/packages/99/4f/13fb671119e65c4dce97c60e67d3fd9e6f7f809f2b307e2611f4701205cb/nose-1.3.7-py2-none-any.whl
        pip install nose-1.3.7-py2-none-any.whl
    - name: Run tests
      continue-on-error: ${{ matrix.ytdl-test-set == 'download' || matrix.python-impl == 'jython' }}
      env:
        YTDL_TEST_SET: ${{ matrix.ytdl-test-set }}
      run: ./devscripts/run_tests.${{ matrix.run-tests-ext }}
  flake8:
    name: Linter
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3.9
    - name: Install flake8
      run: pip install flake8
    - name: Run flake8
      run: flake8 .