unit_tests.yml

name: test_suite

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

on:
  push:
    branches: ['**']
    tags: ['**']
  pull_request:
    branches: ['**']
  schedule:
    - cron: "0 4 * * *"

jobs:
  style:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.12"]
    steps:
    - uses: actions/checkout@v4
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v5
      with:
        python-version: ${{ matrix.python-version }}
    - uses: actions/cache@v4
      with:
        path: ${{ env.pythonLocation }}
        key: style-0-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml') }}
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        python -m pip install ruff
    - name: Display versions and environment information
      run: |
        python --version
        which python
    - name: Run style & documentation tests
      run: make pep

  build:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest]
        python-version: ["3.10", "3.12"]  # Oldest and newest supported versions
    steps:
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v5
      with:
        python-version: ${{ matrix.python-version }}

    - uses: actions/cache@v4
      with:
        path: ${{ env.pythonLocation }}
        key: build-1-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml') }}

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

    - uses: actions/checkout@v4
    - name: Build sdist
      run: python -m build --sdist
    - name: Check sdist
      run: twine check --strict dist/*
    - name: Install sdist
      run: python -m pip install ./dist/mne_bids-*
    - name: Clean up working directory
      run: rm -rf ./*
    - name: Try importing mne_bids
      run: python -c 'import mne_bids; print(mne_bids.__version__)'
    - name: Try cli mne_bids
      run: mne_bids --version
    - name: Remove sdist install
      run: python -m pip uninstall -y mne-bids

    - uses: actions/checkout@v4
    - name: Build wheel
      run: python -m build --wheel
    - name: Check wheel
      run: twine check --strict dist/*
    - name: Install wheel
      run: python -m pip install ./dist/mne_bids-*.whl
    - name: Clean up working directory
      run: rm -rf ./*
    - name: Try importing mne_bids
      run: python -c 'import mne_bids; print(mne_bids.__version__)'
    - name: Try cli mne_bids
      run: mne_bids --version
    - name: Remove wheel install
      run: python -m pip uninstall -y mne-bids

    - uses: actions/checkout@v4
    - name: Test extras install
      run: |
        python -m pip install .[full]
        python -c 'import mne_bids; print(mne_bids.__version__)'
        python -c 'import nibabel; print(nibabel.__version__)'
        python -c 'import pybv; print(pybv.__version__)'
        python -c 'import eeglabio; print(eeglabio.__version__)'
        python -c 'import pymatreader; print(pymatreader.__version__)'
        python -c 'import matplotlib; print(matplotlib.__version__)'
        python -c 'import pandas; print(pandas.__version__)'
        python -c 'import EDFlib; print("EDFlib has no .__version__")'
        python -c 'import edfio; print(edfio.__version__)'

  test:
    # For GitHub "required" CI checks, add in branch protection:
    #
    # 8 checks:
    # for each machine type (ubuntu, macos, macos-13, windows):
    # (NOTE: macos-13=x86_64, macos>13=arm64)
    # 3.10 / mne-stable / full / validator-stable
    # 3.12 / mne-stable / full / validator-stable
    #
    # 3 additional checks with alternative MNE-Python and BIDS validator versions:
    # ubuntu / 3.12 / mne-main / full / validator-main
    # ubuntu / 3.10 / mne-prev / full / validator-stable
    # ubuntu / 3.12 / mne-stable / minimal / validator-stable
    timeout-minutes: 60
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, macos-13, windows-latest]
        python-version: ["3.10", "3.12"]  # Oldest and newest supported versions
        mne-version: [mne-stable]
        mne-bids-install: [full]
        bids-validator-version: [validator-stable]

        include:
          # special test runs running only on single CI systems to save resources
          # Test development versions
          - os: ubuntu-latest
            python-version: "3.12"
            mne-version: mne-main
            mne-bids-install: full
            bids-validator-version: validator-main
          # Test previous MNE stable version
          - os: ubuntu-latest
            python-version: "3.10"
            mne-version: mne-prev-stable
            mne-bids-install: full
            bids-validator-version: validator-stable
          # Test minimal mne-bids install
          - os: ubuntu-latest
            python-version: "3.12"
            mne-version: mne-stable
            mne-bids-install: minimal
            bids-validator-version: validator-stable


    env:
      TZ: Europe/Berlin
      FORCE_COLOR: true
    steps:
    - uses: actions/checkout@v4

    - name: Set up Node.js
      uses: actions/setup-node@v4
      with:
        node-version: 20

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

    - name: Restore cache
      uses: actions/cache@v4
      with:
        path: ${{ env.pythonLocation }}
        key: test-0-${{ env.pythonLocation }}-${{ env.os }}-${{ hashFiles('pyproject.toml') }}

    - name: Install Python dependencies using pip
      # This would be nicer once this feature is implemented: https://github.com/pypa/pip/issues/11440
      run: |
        python -m pip install --upgrade pip
        python -m pip install -e .[test]

    - name: Install MNE (stable)
      if: matrix.mne-version == 'mne-stable'
      run: |
        git clone --single-branch --branch maint/1.8 https://github.com/mne-tools/mne-python.git
        python -m pip install -e ./mne-python

    - name: Install MNE (previous stable)
      if: matrix.mne-version == 'mne-prev-stable'
      # Have to install NumPy<2.1 here because of a change in positional arg handling + MNE 1.7
      run: |
        git clone --single-branch --branch maint/1.7 https://github.com/mne-tools/mne-python.git
        python -m pip install -e ./mne-python "numpy<2.1"

    - name: Install MNE (main)
      if: matrix.mne-version == 'mne-main'
      run: |
        git clone --single-branch --branch main https://github.com/mne-tools/mne-python.git
        python -m pip install -e ./mne-python

    - name: Install BIDS validator (stable)
      if: matrix.bids-validator-version == 'validator-stable'
      run: |
        npm install -g bids-validator
        echo "BIDS_VALIDATOR_BRANCH=stable" >> $GITHUB_ENV

    - name: Download BIDS validator (main)
      if: matrix.bids-validator-version == 'validator-main'
      run: |
        pushd ..
        git clone --depth 1 https://github.com/bids-standard/bids-validator
        popd
        echo "BIDS_VALIDATOR_BRANCH=main" >> $GITHUB_ENV

    - name: Install BIDS validator (main)
      if: matrix.bids-validator-version == 'validator-main'
      run: |
        pushd ..
        cd bids-validator
        # Generate the full development node_modules
        npm install
        # Build & bundle the bids-validator CLI package
        npm -w bids-validator run build
        # Generate a package to install globally
        npm -w bids-validator pack
        # Install the package globally
        bash -c "npm install -g bids-validator-*.tgz"
        popd

    - name: Display versions and environment information
      run: |
        echo $TZ
        date
        echo "npm"; npm --version
        echo "node"; node --version
        echo "bids-validator"; bids-validator --version
        echo "python"; python --version
        which python
        mne sys_info

    - name: Install MNE-BIDS (minimal)
      if: matrix.mne-bids-install == 'minimal'
      run: python -m pip install -e .

    - name: Install MNE-BIDS (full)
      if: matrix.mne-bids-install == 'full'
      run: python -m pip install -e .[full]

    # Only run on a limited set of jobs
    - name: Run pytest without testing data
      run: make test
      if: ${{ matrix.python-version == '3.12' && matrix.os == 'ubuntu-latest' && matrix.mne-version == 'mne-main' }}

    # Get testing data
    - run: ./tools/get_testing_version.sh
      working-directory: mne-python
      shell: bash
      name: 'Get testing version'

    - uses: actions/cache@v4
      with:
        key: ${{ env.TESTING_VERSION }}
        path: ~/mne_data
      name: 'Cache testing data'

    - run: ./tools/github_actions_download.sh
      shell: bash
      working-directory: mne-python

    - name: Run pytest
      shell: bash
      run: make test

    - name: Upload coverage stats to codecov
      uses: codecov/codecov-action@v4
      with:
        files: ./coverage.xml

  build_docs:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.12"]
    steps:
    - uses: actions/checkout@v4
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v5
      with:
        python-version: ${{ matrix.python-version }}
    - uses: actions/cache@v4
      with:
        path: ${{ env.pythonLocation }}
        key: build_docs-0-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml') }}
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        python -m pip install --upgrade https://github.com/mne-tools/mne-python/archive/refs/heads/main.zip
        python -m pip install -e .[test,doc]
    - name: Build the documentation
      run: |
        make build-doc
    - name: Upload artifacts
      uses: actions/upload-artifact@v4
      with:
        name: documentation
        path: doc/_build/html