name: PR

on: [pull_request]

jobs:
  Validate:
    runs-on: ubuntu-latest
    name: Validate OTP ${{matrix.otp}} / Elixir ${{matrix.elixir}}
    strategy:
      matrix:
        elixir:
          - 1.15
        otp:
          - 26.1
    steps:
    - uses: actions/checkout@v4
    - name: Set up Elixir
      uses: erlef/setup-beam@v1
      with:
        elixir-version: ${{ matrix.elixir }}
        otp-version: ${{ matrix.otp }}
    - uses: actions/cache@v3
      with:
        path: |
          deps
          _build
        key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
        restore-keys: |
          ${{ runner.os }}-mix-
    - name: Install Dependencies
      run: mix deps.get
    - name: Check Format
      run: mix format --check-formatted
    - name: Compile
      run: mix compile --all-warnings --warnings-as-errors
    - name: Test
      run: mix test