tests-emulated.yaml

name: Run tests (emulated)

on:
  # Trigger the workflow on master but also allow it to run manually.
  workflow_dispatch:
  push:
    branches:
      - master

jobs:
  run_tox_emulate:
    name: tox -e py310_cython (${{ matrix.architecture }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        architecture:
          - s390x
          - arm64v8

    steps:
      - name: Checkout repo
        uses: actions/checkout@v3
        with:
          fetch-depth: 2

      - name: Cache PIP
        uses: actions/cache@v3
        with:
          path: |
            .pip
          key: python-${{ matrix.architecture }}-${{ hashFiles('requirements/tests') }}

      - name: Set up emulation
        run: |
          docker run --rm --privileged multiarch/qemu-user-static --reset -p yes

      # TODO(vytas): Revisit second half of 2021 to see if we still need to pin tox
      #
      #   See also: https://github.com/tox-dev/tox/issues/1777
      #
      - name: Run tox s390x
        if: ${{ matrix.architecture == 's390x' }}
        uses: docker://s390x/python:3.10-buster
        env:
          PIP_CACHE_DIR: /github/workspace/.pip/
        with:
          # NOTE: without 'pip install ujson' tox fails to install it with "Requested ujson from <url> has different version in metadata: '0.0.0'"
          # NOTE(vytas): installing fixtures/pbr because otherwise pip install
          # inside tox fails with an import error on some older CPythons
          args: |
            /bin/bash -c "
            lscpu &&
            mkdir -p $PIP_CACHE_DIR &&
            chown -R $(whoami) $PIP_CACHE_DIR &&
            pip install -U fixtures pip tox &&
            python --version &&
            pip --version &&
            tox --version &&
            pip install ujson &&
            tox -e py310_cython"

      - name: Run tox arm64v8
        if: ${{ matrix.architecture == 'arm64v8' }}
        uses: docker://arm64v8/python:3.10-buster
        env:
          PIP_CACHE_DIR: /github/workspace/.pip/
        with:
          args: |
            /bin/bash -c "
            lscpu &&
            mkdir -p $PIP_CACHE_DIR &&
            chown -R $(whoami) $PIP_CACHE_DIR &&
            pip install -U fixtures pip tox &&
            python --version &&
            pip --version &&
            tox --version &&
            tox -e py310_cython"

      - name: Fix cache permission
        run: |
          sudo chmod -R 777 .pip
          sudo chmod -R 777 .tox