test.yml

name: Tests

on:
  workflow_dispatch:
  push:
    branches: [main, master, 'release*']
    tags: ['*']
  pull_request:
    paths-ignore:
    - 'docs/**'
    - 'mypyc/doc/**'
    - '**/*.rst'
    - '**/*.md'
    - .gitignore
    - CREDITS
    - LICENSE

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  main:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
        # Make sure to run mypyc compiled unit tests for both
        # the oldest and newest supported Python versions
        - name: Test suite with py310-ubuntu, mypyc-compiled
          python: '3.10'
          os: ubuntu-24.04-arm
          toxenv: py
          tox_extra_args: "-n 4"
          test_mypyc: true
        - name: Test suite with py311-ubuntu
          python: '3.11'
          os: ubuntu-24.04-arm
          toxenv: py
          tox_extra_args: "-n 4"
        - name: Test suite with py312-ubuntu
          python: '3.12'
          os: ubuntu-24.04-arm
          toxenv: py
          tox_extra_args: "-n 4"
        - name: Test suite with py313-ubuntu, mypyc-compiled
          python: '3.13'
          os: ubuntu-24.04-arm
          toxenv: py
          tox_extra_args: "-n 4"
          test_mypyc: true
        - name: Test suite with py314-ubuntu, mypyc-compiled
          python: '3.14'
          os: ubuntu-24.04-arm
          toxenv: py
          tox_extra_args: "-n 4"
          test_mypyc: true
        - name: Test suite with py314t-ubuntu, mypyc-compiled
          python: '3.14t'
          os: ubuntu-24.04-arm
          toxenv: py
          tox_extra_args: "-n 4"
          test_mypyc: true
        - name: Test suite with py314-windows-64
          python: '3.14'
          os: windows-latest
          toxenv: py
          tox_extra_args: "-n 4"

        # - name: Test suite with py315-dev-ubuntu
        #   python: '3.15-dev'
        #   os: ubuntu-24.04-arm
        #   toxenv: py
        #   tox_extra_args: "-n 4"
        #   # allow_failure: true
        #   test_mypyc: true

        - name: mypyc runtime tests with py313-macos
          python: '3.13'
          os: macos-latest
          toxenv: py
          tox_extra_args: "-n 3 mypyc/test/test_run.py mypyc/test/test_external.py"

        - name: mypyc runtime tests with py310-ubuntu
          python: '3.10'
          os: ubuntu-latest
          toxenv: py
          tox_extra_args: "-n 3 mypyc/test/test_run.py mypyc/test/test_external.py"

        # This is broken. See
        # - https://github.com/python/mypy/issues/17819
        # - https://github.com/python/mypy/pull/17822
        # - name: mypyc runtime tests with py310-debug-build-ubuntu
        #   python: '3.10'
        #   os: ubuntu-latest
        #   toxenv: py
        #   tox_extra_args: "-n 4 mypyc/test/test_run.py mypyc/test/test_external.py"
        #   debug_build: true

        - name: Parallel tests with py314-ubuntu, interpreted
          python: '3.14'
          os: ubuntu-24.04-arm
          toxenv: py
          tox_extra_args: "-n 4 --mypy-num-workers=4 mypy/test/testcheck.py"
          dev_ast_serialize: true
        - name: Parallel tests with py314-ubuntu, mypyc-compiled
          python: '3.14'
          os: ubuntu-24.04-arm
          toxenv: py
          tox_extra_args: "-n 4 --mypy-num-workers=4 mypy/test/testcheck.py"
          test_mypyc: true
          dev_ast_serialize: true
        # Skip Windows tests until we publish ast_serialize wheels on PyPI.
        # - name: Parallel tests with py314-windows-64, interpreted
        #   python: '3.14'
        #   os: windows-latest
        #   toxenv: py
        #   tox_extra_args: "-n 2 --mypy-num-workers=2 mypy/test/testcheck.py -k 'incremental or modules or classes'"

        - name: Type check our own code (py310-ubuntu)
          python: '3.10'
          os: ubuntu-latest
          toxenv: type
        - name: Type check our own code (py310-windows-64)
          python: '3.10'
          os: windows-latest
          toxenv: type

          # We also run these checks with pre-commit in CI,
          # but it's useful to run them with tox too,
          # to ensure the tox env works as expected
        - name: Formatting and code style with Black + ruff
          python: '3.10'
          os: ubuntu-latest
          toxenv: lint

    name: ${{ matrix.name }}
    timeout-minutes: 60
    env:
      TOX_SKIP_MISSING_INTERPRETERS: False
      VIRTUALENV_SYSTEM_SITE_PACKAGES: ${{ matrix.dev_ast_serialize && 1 || 0 }}
      # Rich (pip) -- Disable color for windows + pytest
      FORCE_COLOR: ${{ !(startsWith(matrix.os, 'windows-') && startsWith(matrix.toxenv, 'py')) && 1 || 0 }}
      # Tox
      PY_COLORS: 1
      # Python -- Disable argparse help colors (3.14+)
      PYTHON_COLORS: 0
      # Mypy (see https://github.com/python/mypy/issues/7771)
      TERM: xterm-color
      MYPY_FORCE_COLOR: 1
      MYPY_FORCE_TERMINAL_WIDTH: 200
      # Pytest
      PYTEST_ADDOPTS: --color=yes

    steps:
    - uses: actions/checkout@v4
      with:
        persist-credentials: false

    - name: Latest dev build
      if: ${{ endsWith(matrix.python, '-dev') }}
      run: |
          git clone --depth 1 https://github.com/python/cpython.git /tmp/cpython --branch $( echo ${{ matrix.python }} | sed 's/-dev//' )
          cd /tmp/cpython
          echo git rev-parse HEAD; git rev-parse HEAD
          git show --no-patch
          sudo apt-get update -q
          sudo apt-get install -q -y --no-install-recommends \
            build-essential gdb lcov libbz2-dev libffi-dev libgdbm-dev liblzma-dev libncurses5-dev \
            libreadline6-dev libsqlite3-dev libssl-dev lzma lzma-dev tk-dev uuid-dev zlib1g-dev
          ./configure --prefix=/opt/pythondev
          make -j$(nproc)
          sudo make install
          sudo ln -s /opt/pythondev/bin/python3 /opt/pythondev/bin/python
          sudo ln -s /opt/pythondev/bin/pip3 /opt/pythondev/bin/pip
          echo "/opt/pythondev/bin" >> $GITHUB_PATH
    - name: Debug build
      if: ${{ matrix.debug_build }}
      run: |
          git clone --depth 1 https://github.com/python/cpython.git /tmp/cpython --branch ${{ matrix.python }}
          cd /tmp/cpython
          echo git rev-parse HEAD; git rev-parse HEAD
          git show --no-patch
          sudo apt-get update -q
          sudo apt-get install -q -y --no-install-recommends \
            build-essential gdb lcov libbz2-dev libffi-dev libgdbm-dev liblzma-dev libncurses5-dev \
            libreadline6-dev libsqlite3-dev libssl-dev lzma lzma-dev tk-dev uuid-dev zlib1g-dev
          ./configure CFLAGS="-DPy_DEBUG -DPy_TRACE_REFS -DPYMALLOC_DEBUG" --with-pydebug -with-trace-refs --prefix=/opt/pythondev
          make -j$(nproc)
          sudo make install
          sudo ln -s /opt/pythondev/bin/python3 /opt/pythondev/bin/python
          sudo ln -s /opt/pythondev/bin/pip3 /opt/pythondev/bin/pip
          echo "/opt/pythondev/bin" >> $GITHUB_PATH
    - uses: actions/setup-python@v5
      if: ${{ !(matrix.debug_build || endsWith(matrix.python, '-dev')) }}
      with:
        python-version: ${{ matrix.python }}

    - name: Install tox
      run: |
        echo PATH; echo $PATH
        echo which python; which python
        echo which pip; which pip
        echo python version; python -c 'import sys; print(sys.version)'
        echo debug build; python -c 'import sysconfig; print(bool(sysconfig.get_config_var("Py_DEBUG")))'
        echo os.cpu_count; python -c 'import os; print(os.cpu_count())'
        echo os.sched_getaffinity; python -c 'import os; print(len(getattr(os, "sched_getaffinity", lambda *args: [])(0)))'
        pip install setuptools==75.1.0 tox==4.26.0

    - name: Compiled with mypyc
      if: ${{ matrix.test_mypyc }}
      run: |
        pip install -r test-requirements.txt
        CC=clang MYPYC_OPT_LEVEL=0 MYPY_USE_MYPYC=1 pip install -e .

    # To speed-up process until ast_serialize is on PyPI.
    - name: Checkout pinned ast_serialize
      if: ${{ matrix.dev_ast_serialize }}
      uses: actions/checkout@v4
      with:
        persist-credentials: false
        repository: mypyc/ast_serialize
        ref: da5a16cf268dbec63ed6b2e6b715470576e2d1a6
        path: ast_serialize

    - if: ${{ matrix.dev_ast_serialize }}
      uses: PyO3/maturin-action@v1
      with:
        target: aarch64
        args: --release --out dist
        working-directory: ast_serialize

    - if: ${{ matrix.dev_ast_serialize }}
      run: |
        pip install ast_serialize/dist/ast_serialize-0.1.0-cp39-abi3-manylinux_2_34_aarch64.whl
        echo 'no way' > test_ast_serialize.py
        python3 -c 'import ast_serialize; print(ast_serialize.parse("test_ast_serialize.py")[1])'
        rm test_ast_serialize.py

    - name: Setup tox environment
      run: |
        tox run -e ${{ matrix.toxenv }} --notest
    - name: Test
      run: tox run -e ${{ matrix.toxenv }} --skip-pkg-install -- ${{ matrix.tox_extra_args }}
      continue-on-error: ${{ matrix.allow_failure == 'true' }}

    - name: Mark as success (check failures manually)
      if: ${{ matrix.allow_failure == 'true' }}
      run: exit 0

  python_32bits:
    runs-on: ubuntu-latest
    name: Test mypyc suite with 32-bit Python
    timeout-minutes: 60
    env:
      TOX_SKIP_MISSING_INTERPRETERS: False
      # Rich (pip)
      FORCE_COLOR: 1
      # Tox
      PY_COLORS: 1
      # Mypy (see https://github.com/python/mypy/issues/7771)
      TERM: xterm-color
      MYPY_FORCE_COLOR: 1
      MYPY_FORCE_TERMINAL_WIDTH: 200
      # Pytest
      PYTEST_ADDOPTS: --color=yes
      CXX: i686-linux-gnu-g++
      CC: i686-linux-gnu-gcc
    steps:
      - uses: actions/checkout@v4
        with:
          persist-credentials: false
      - name: Install 32-bit build dependencies
        run: |
          sudo dpkg --add-architecture i386 && \
          sudo apt-get update && sudo apt-get install -y \
            zlib1g-dev:i386 \
            libgcc-s1:i386 \
            g++-i686-linux-gnu \
            gcc-i686-linux-gnu \
            libffi-dev:i386 \
            libssl-dev:i386 \
            libbz2-dev:i386 \
            libncurses-dev:i386 \
            libreadline-dev:i386 \
            libsqlite3-dev:i386 \
            liblzma-dev:i386 \
            uuid-dev:i386
      - name: Compile, install, and activate 32-bit Python
        uses: gabrielfalcao/pyenv-action@v13
        with:
          default: 3.11.1
          command: python -c "import platform; print(f'{platform.architecture()=} {platform.machine()=}');"
      - name: Install tox
        run: pip install setuptools==75.1.0 tox==4.26.0
      - name: Setup tox environment
        run: tox run -e py --notest
      - name: Test
        run: tox run -e py --skip-pkg-install -- -n 4 mypyc/test/