name: Test

on:
  pull_request:
  push:
    branches:
      - main

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

env:
  FORCE_COLOR: 1

permissions: {}

jobs:
  test:
    name: ${{ matrix.os }} / ${{ matrix.python_version }}
    runs-on: ${{ matrix.os }}-latest
    strategy:
      fail-fast: false
      matrix:
        os: [Ubuntu, Windows, macOS]
        python_version:
          ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14", "3.15", "3.13t", "3.14t", "3.15t", "pypy3.9", "pypy3.10", "pypy3.11"]
        include:
          - os: Ubuntu
            python_version: "3.11.0"
          - os: Ubuntu
            python_version: "3.12.0"
          - os: Ubuntu
            python_version: "3.13.0"
          - os: Ubuntu
            python_version: "3.14.0"

    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false

      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
        name: Install Python ${{ matrix.python_version }}
        with:
          python-version: ${{ matrix.python_version }}
          allow-prereleases: true

      - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
        name: Setup uv

      - name: Run nox
        run: pipx run nox -s tests
        env:
          NOXFORCEPYTHON: ${{ matrix.python_version }}

  musl:
    name: Alpine / musl
    runs-on: ubuntu-latest
    container: alpine:3.23.4@sha256:5b10f432ef3da1b8d4c7eb6c487f2f5a8f096bc91145e68878dd4a5019afde11

    steps:
      # Alpine ships a genuinely musl-linked Python, so this exercises the
      # musllinux tag detection code paths that glibc runners cannot.
      - name: Install system dependencies
        run: apk add --no-cache git python3

      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false

      - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
        name: Setup uv

      - name: Run tests
        run: uv run --python python3 python -m pytest
        env:
          UV_PYTHON_PREFERENCE: only-system

  property-tests:
    name: Property tests
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false

      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
        name: Install Python 3.14
        with:
          python-version: "3.14"
          cache: "pip"

      - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
        name: Setup uv

      - name: Run nox
        run: pipx run nox -s property_tests

  downstream:
    name: Downstream ${{ matrix.project }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        project:
          - packaging_legacy
          - build
          - pyproject_metadata
          - setuptools
          - pip
          - dependency_groups
          - dep_logic
          - twine
          - cibuildwheel
          - hatchling
          - tox
          - virtualenv
          - pdm
          - poetry_core
          - pipenv

    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false

      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
        name: Install Python 3.14
        with:
          python-version: "3.14"
          cache: "pip"

      - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
        name: Setup uv

      - name: Run nox
        env:
          MATRIX_PROJECT: ${{ matrix.project }}
        run: pipx run nox -s "downstream(project='$MATRIX_PROJECT')"

  pickle:
    name: Pickle test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false

      - uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
        name: Install Python 3.14
        with:
          python-version: "3.14"
          cache: "pip"

      - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
        name: Setup uv

      - name: Run nox
        run: pipx run nox -s test_pickle

  pass:
    name: All pass
    if: always()

    needs:
      - test
      - musl

    runs-on: ubuntu-slim

    steps:
      - name: Decide whether the needed jobs succeeded or failed
        uses: re-actors/alls-green@05ac9388f0aebcb5727afa17fcccfecd6f8ec5fe  # v1.2.2
        with:
          jobs: ${{ toJSON(needs) }}