name: XGBoost-Python-Tests

on: [push, pull_request]

permissions:
  contents: read # to fetch code (actions/checkout)

jobs:
  python-mypy-lint:
    runs-on: ubuntu-latest
    name: Type and format checks for the Python package
    strategy:
      matrix:
        os: [ubuntu-latest]
    steps:
    - uses: actions/checkout@v2
      with:
        submodules: 'true'
    - uses: mamba-org/provision-with-micromamba@main
      with:
        cache-downloads: true
        cache-env: true
        environment-name: python_lint
        environment-file: tests/ci_build/conda_env/python_lint.yml
    - name: Display Conda env
      shell: bash -l {0}
      run: |
        conda info
        conda list
    - name: Run mypy
      shell: bash -l {0}
      run: |
        python tests/ci_build/lint_python.py --format=0 --type-check=1 --pylint=0
    - name: Run formatter
      shell: bash -l {0}
      run: |
        python tests/ci_build/lint_python.py --format=1 --type-check=0 --pylint=0
    - name: Run pylint
      shell: bash -l {0}
      run: |
        python tests/ci_build/lint_python.py --format=0 --type-check=0 --pylint=1

  python-sdist-test:
    runs-on: ${{ matrix.os }}
    name: Test installing XGBoost Python source package on ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, macos-11, windows-latest]
        python-version: ["3.8"]
    steps:
    - uses: actions/checkout@v2
      with:
        submodules: 'true'
    - name: Install osx system dependencies
      if: matrix.os == 'macos-11'
      run: |
        brew install ninja libomp
    - name: Install Ubuntu system dependencies
      if: matrix.os == 'ubuntu-latest'
      run: |
        sudo apt-get install -y --no-install-recommends ninja-build
    - uses: conda-incubator/setup-miniconda@v2
      with:
        auto-update-conda: true
        python-version: ${{ matrix.python-version }}
        activate-environment: test
    - name: Display Conda env
      shell: bash -l {0}
      run: |
        conda info
        conda list
    - name: Build and install XGBoost
      shell: bash -l {0}
      run: |
        cd python-package
        python --version
        python setup.py sdist
        pip install -v ./dist/xgboost-*.tar.gz
        cd ..
        python -c 'import xgboost'

  python-tests-on-win:
    name: Test XGBoost Python package on ${{ matrix.config.os }}
    runs-on: ${{ matrix.config.os }}
    timeout-minutes: 60
    strategy:
      matrix:
        config:
          - {os: windows-latest, python-version: '3.8'}

    steps:
    - uses: actions/checkout@v2
      with:
        submodules: 'true'

    - uses: conda-incubator/setup-miniconda@v2
      with:
        auto-update-conda: true
        python-version: ${{ matrix.config.python-version }}
        activate-environment: win64_env
        environment-file: tests/ci_build/conda_env/win64_cpu_test.yml

    - name: Display Conda env
      shell: bash -l {0}
      run: |
        conda info
        conda list

    - name: Build XGBoost on Windows
      shell: bash -l {0}
      run: |
        mkdir build_msvc
        cd build_msvc
        cmake .. -G"Visual Studio 17 2022" -DCMAKE_CONFIGURATION_TYPES="Release" -A x64 -DGOOGLE_TEST=ON  -DUSE_DMLC_GTEST=ON
        cmake --build . --config Release --parallel $(nproc)

    - name: Install Python package
      shell: bash -l {0}
      run: |
        cd python-package
        python --version
        python setup.py bdist_wheel --universal
        pip install ./dist/*.whl

    - name: Test Python package
      shell: bash -l {0}
      run: |
        pytest -s -v -rxXs --durations=0 ./tests/python

  python-tests-on-macos:
    name: Test XGBoost Python package on ${{ matrix.config.os }}
    runs-on: ${{ matrix.config.os }}
    timeout-minutes: 60
    strategy:
      matrix:
        config:
          - {os: macos-11}

    steps:
    - uses: actions/checkout@v2
      with:
        submodules: 'true'

    - uses: mamba-org/provision-with-micromamba@main
      with:
        cache-downloads: true
        cache-env: true
        environment-name: macos_test
        environment-file: tests/ci_build/conda_env/macos_cpu_test.yml

    - name: Display Conda env
      shell: bash -l {0}
      run: |
        conda info
        conda list

    - name: Build XGBoost on macos
      shell: bash -l {0}
      run: |
        brew install ninja

        mkdir build
        cd build
        # Set prefix, to use OpenMP library from Conda env
        # See https://github.com/dmlc/xgboost/issues/7039#issuecomment-1025038228
        # to learn why we don't use libomp from Homebrew.
        cmake .. -GNinja -DGOOGLE_TEST=ON -DUSE_DMLC_GTEST=ON -DCMAKE_PREFIX_PATH=$CONDA_PREFIX
        ninja

    - name: Install Python package
      shell: bash -l {0}
      run: |
        cd python-package
        python --version
        python setup.py install

    - name: Test Python package
      shell: bash -l {0}
      run: |
        pytest -s -v -rxXs --durations=0 ./tests/python

    - name: Test Dask Interface
      shell: bash -l {0}
      run: |
        pytest -s -v -rxXs --durations=0 ./tests/test_distributed/test_with_dask