name: test
on:
  push: {branches: [master]}
  pull_request: {branches: [master]}

jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        emacs_version:
          - '26.3'
          - '27.2'
          - '28.2'
          - 'snapshot'
        include:
          - emacs_version: 'snapshot'
            allow_failure: true
    steps:
      - uses: actions/checkout@v2
      - uses: purcell/setup-emacs@master
        with:
          version: ${{ matrix.emacs_version }}
      - uses: conao3/setup-cask@master

      - name: Run tests
        run: "cask && cask exec buttercup -L . || ${{ matrix.allow_failure == true }}"