name: test

on:
  pull_request:
  push:
    branches: [ "main", "v[0-9]*" ]
    tags: [ "v[0-9]*" ]
  workflow_dispatch:
  schedule:
    # Weekly test (on branch main) every Thursday at 12:00 UTC.
    # (Used to monitor compatibility with Django patches/dev and other dependencies.)
    - cron: "0 12 * * 4"


jobs:
  get-envlist:
    runs-on: ubuntu-20.04
    outputs:
      envlist: ${{ steps.generate-envlist.outputs.envlist }}
    steps:
      - name: Get code
        uses: actions/checkout@v2
      - name: Install tox-gh-matrix
        run: |
          python -m pip install tox tox-gh-matrix
          python -m tox --version
      - name: Generate tox envlist
        id: generate-envlist
        # Ugh. pypy-3.8-v7.3.8 accidentally includes an ancient sqlite unusable by Django,
        # so change "pypy-3.8" to specific (older) version "pypy-3.8-v7.3.7".
        # (Remove these `sed` commands after pypy-3.8-v7.3.9 is released.)
        # https://foss.heptapod.net/pypy/pypy/-/issues/3690
        # https://github.com/actions/setup-python/issues/339
        run: |
          python -m tox --gh-matrix | sed -e 's/"pypy-3\.8"/"pypy-3.8-v7.3.7"/g'
          python -m tox --gh-matrix-dump | sed -e 's/"pypy-3\.8"/"pypy-3.8-v7.3.7"/g'  # for debugging

  test:
    runs-on: ubuntu-20.04
    needs: get-envlist
    strategy:
      matrix:
        tox: ${{ fromJSON(needs.get-envlist.outputs.envlist) }}
      fail-fast: false

    name: ${{ matrix.tox.name }} ${{ matrix.tox.ignore_outcome && 'allow-failures' || '' }}
    timeout-minutes: 15
    steps:
      - name: Get code
        uses: actions/checkout@v2
      - name: Setup Python ${{ matrix.tox.python.version }}
        # Ensure matrix Python version is installed and available for tox
        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.tox.python.spec }}
      - name: Setup default Python
        # Change default Python version back to something consistent
        # for installing/running tox
        uses: actions/setup-python@v2
        with:
          python-version: "3.8"
      - name: Install tox
        run: |
          set -x
          python -VV
          python -m pip install tox
          python -m tox --version
      - name: Test ${{ matrix.tox.name }}
        run: |
          python -m tox -e ${{ matrix.tox.name }}
        continue-on-error: ${{ matrix.tox.ignore_outcome == true }}
        env:
          CONTINUOUS_INTEGRATION: true
          TOX_OVERRIDE_IGNORE_OUTCOME: false