tests.yml

name: tests

on:
  push:
    branches: [main]
    paths-ignore:
      - "*.md"
  pull_request:
    branches: ["*"]
    paths-ignore:
      - "*.md"
  workflow_dispatch: # allows you to trigger manually

permissions: {}

# When this workflow is queued, automatically cancel any previous running
# or pending jobs from the same branch
concurrency:
  group: tests-${{ github.ref }}
  cancel-in-progress: true

env:
  MODULE_NAME: 'blis'
  RUN_MYPY: 'false'

jobs:
  tests:
    name: Test
    strategy:
      fail-fast: true
      matrix:
        os:
          - ubuntu-latest  # x64
          - ubuntu-24.04-arm  # ARM
          - macos-15-intel  # x64
          - macos-latest  # ARM
          - windows-latest  # x64
          - windows-11-arm  # ARM
        python_version: ["3.10", "3.11", "3.12", "3.13", "3.13t", "3.14", "3.14t"]
        cc: ['']  # default: gcc on Linux; clang on Mac/Windows
        numpy-runtime: ['']  # default: latest version
        include:
          # Note: default compiler for Linux is gcc. cibuildwheel uses gcc.
          # FIXME: clang crashes on ARM Linux
          - os: ubuntu-latest
            python_version: "3.10"
            cc: clang
          - os: ubuntu-latest
            python_version: "3.14"
            cc: clang
          # Test oldest runtime version of NumPy.
          # Note that we always use the latest available version for building.
          - os: ubuntu-latest
            python_version: "3.10"
            numpy-runtime: "1.21.2"
          - os: ubuntu-24.04-arm
            python_version: "3.10"
            numpy-runtime: "1.21.3"
          - os: macos-15-intel
            python_version: "3.10"
            numpy-runtime: "1.21.3"
          - os: macos-latest
            python_version: "3.10"
            numpy-runtime: "1.21.3"
          - os: windows-latest
            python_version: "3.10"
            numpy-runtime: "1.21.3"
          - os: windows-11-arm
            python_version: "3.11"
            numpy-runtime: "2.3.1"
        exclude:
          - os: windows-11-arm
            python_version: "3.10"

    runs-on: ${{ matrix.os }}

    steps:
      - name: Check out repo
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6

      - name: Configure Python version
        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
        with:
          python-version: ${{ matrix.python_version }}

      # Install LLVM on Windows
      - name: Install LLVM on Windows x64
        if: matrix.os == 'windows-latest'
        run: |
          choco install llvm --version=18.1.8 -y --force
          echo "C:\Program Files\LLVM\bin" >> $env:GITHUB_PATH

      - name: Install LLVM on Windows ARM64
        if: matrix.os == 'windows-11-arm'
        shell: pwsh
        run: |
          Invoke-WebRequest https://github.com/llvm/llvm-project/releases/download/llvmorg-20.1.6/LLVM-20.1.6-woa64.exe -UseBasicParsing -OutFile LLVM-woa64.exe
          Start-Process -FilePath ".\LLVM-woa64.exe" -ArgumentList "/S" -Wait
          echo "C:\Program Files\LLVM\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
          echo "CC=clang-cl" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append

      - name: Install dependencies
        run: |
          python -m pip install -U build pip setuptools wheel

      - name: Build wheel (Windows)
        if: startsWith(matrix.os, 'windows')
        run: |
          dir "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build" /b

          set "PATH=C:\Program Files\LLVM\bin;%PATH%"
          set "AR=llvm-ar"
          set "AS=llvm-as"
          set "CC=clang"
          set RANLIB=echo
          call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\vcvarsall.bat" amd64
          clang --version
          python -m build --wheel
        shell: cmd

      - name: Build wheel (Mac)
        if: startsWith(matrix.os, 'macos')
        run: |
          clang --version
          python -m build --wheel

      - name: Build wheel (Linux / gcc)
        if: startsWith(matrix.os, 'ubuntu') && matrix.cc == ''
        run: |
          gcc --version
          python -m build --wheel

      - name: Build wheel (Linux / clang)
        if: startsWith(matrix.os, 'ubuntu') && matrix.cc == 'clang'
        run: |
          clang --version
          CC=clang python -m build --wheel

      # TODO: install mypy from requirements if reenabled
      - name: Run mypy
        shell: bash
        if: env.RUN_MYPY == 'true'
        run: |
          python -m mypy $MODULE_NAME

      - name: Uninstall all packages
        run: |
          python -m pip freeze > installed.txt
          python -m pip uninstall -y -r installed.txt

      - name: Install wheel
        if: matrix.numpy-runtime == ''
        shell: bash
        run: |
          python -m pip install dist/*.whl

      - name: Install wheel with pinned NumPy
        if: matrix.numpy-runtime != ''
        shell: bash
        run: |
          python -m pip install numpy==${{ matrix.numpy-runtime }}
          python -m pip install --no-deps dist/*.whl

      - name: Delete source directory
        shell: bash
        run: |
          rm -rf $MODULE_NAME

      - name: Test import
        shell: bash
        run: |
          python -c "import $MODULE_NAME" -Werror

      - name: Install test requirements
        run: python -m pip install -r requirements.txt

      - name: Run tests
        run: pytest

      - name: Run pytest-run-parallel
        if: endsWith(matrix.python_version, 't')
        run: pytest --parallel-threads 4