windows-tests.yml

# Run tests on Windows, which are triggered by each master push.
# Currently, Python3.9 is only used as an environment.
# This is mainly for the sake of speed.
name: windows-tests

on:
  push:
    branches:
      - master
  pull_request: {}
  schedule:
    - cron: '0 23 * * SUN-THU'
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref == 'refs/heads/master' && github.run_number || github.ref }}
  cancel-in-progress: true

jobs:
  tests-windows:
    runs-on: windows-latest

    # Not intended for forks.
    if: (github.event_name == 'schedule' && github.repository == 'optuna/optuna') || (github.event_name != 'schedule')
    steps:
    - name: Checkout
      uses: actions/checkout@v4

    - name: Setup Python3.9
      uses: actions/setup-python@v5
      with:
        python-version: "3.9"

    - name: Setup cache
      uses: actions/cache@v3
      env:
        cache-name: windows-test
      with:
        path: ~\\AppData\\Local\\pip\\Cache
        key: ${{ runner.os }}-3.9-${{ env.cache-name }}-${{ hashFiles('**/pyproject.toml') }}-v1
        restore-keys: |
          ${{ runner.os }}-3.9-${{ env.cache-name }}-${{ hashFiles('**/pyproject.toml') }}

    - name: Install
      run: |
        python -m pip install --upgrade pip
        pip install --progress-bar off -U setuptools
        # Install minimal dependencies and confirm that `import optuna` is successful.
        pip install --progress-bar off .
        python -c 'import optuna'
        optuna --version
        pip install --progress-bar off .[test]
        pip install --progress-bar off .[optional]
        # TODO(c-bata): Remove a version constraint after releasing https://github.com/cunla/fakeredis-py/pull/303
        pip install --progress-bar off 'fakeredis[lua]<2.21.2'
        pip install PyQt6 # Install PyQT for using QtAgg as matplotlib backend.
        pip install "kaleido<=0.1.0post1"  # TODO(HideakiImamura): Remove this after fixing https://github.com/plotly/Kaleido/issues/110

    - name: Output installed packages
      run: |
        pip freeze --all
    - name: Output dependency tree
      run: |
        pip install pipdeptree
        pipdeptree

    - name: Scheduled tests
      if:  ${{ github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' }}
      run: |
        pytest
      env:
        SQLALCHEMY_WARN_20: 1
        MPLBACKEND: "QtAgg" # Use QtAgg as matplotlib backend.

    - name: Tests
      if:  ${{ github.event_name != 'schedule' && github.event_name != 'workflow_dispatch' }}
      run: |
        pytest -m "not slow"
      env:
        MPLBACKEND: "QtAgg" # Use QtAgg as matplotlib backend.