testsuite.yml

name: TestSuite

on: [push, pull_request]

jobs:
  get_python_versions:
    name: "Determine Python versions"
    runs-on: ubuntu-latest
    outputs:
      min-python: ${{ steps.nep29.outputs.min-python }}
      max-python: ${{ steps.nep29.outputs.max-python }}
    steps:
      - name: "calculate versions according to NEP29"
        id: nep29
        uses: mstimberg/github-calc-nep29@v0.7
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

  testing:
    needs: [get_python_versions]
    name: "Python ${{ matrix.python-version }} on ${{ matrix.os }} (32bit: ${{ matrix.float_dtype_32 }})"
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-24.04, windows-2022, macOS-13]
        float_dtype_32: [false, true]
        python-version: ["${{ needs.get_python_versions.outputs.max-python }}"]

    defaults:
      run:
        shell: bash -l {0}
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Setup Conda and Python
        uses: conda-incubator/setup-miniconda@v3
        with:
          miniforge-version: "latest"
          auto-activate-base: false
          activate-environment: 'test_env'
          python-version: ${{ matrix.python-version }}

      - name: Install GeNN
        run: |
          # clone GeNN from github
          git clone --depth=1 --no-single-branch https://github.com/genn-team/genn.git ../genn
          cd ../genn
          echo "GENN_PATH=$(pwd)" >> "$GITHUB_ENV"
          # switch to stable release
          git checkout 4.8.0

      - name: Install Brian2 and dependencies
        run: |
          conda install -n test_env --quiet --yes -c conda-forge pip pytest cython sympy pyparsing numpy jinja2 scipy sphinx
          pip install .

      - name: Run Tests
        run: |
          cd  $GITHUB_WORKSPACE/.. # move out of the workspace to avoid direct import
          if [ $FLOAT_DTYPE_32 == 'true' ]; then
            python -Wd $GITHUB_WORKSPACE/scripts/run_brian_tests_CPU_32bit.py
          else
            python -Wd $GITHUB_WORKSPACE/scripts/run_brian_tests_CPU.py
          fi
        env:
          AGENT_OS: ${{runner.os}}
          FLOAT_DTYPE_32: ${{ matrix.float_dtype_32 }}