ci.yml

name: Continuous Integration
on: push
jobs:
  validate-and-test:
    runs-on: ubuntu-latest
    name: Validate and test with OTP ${{ matrix.otp }} / Elixir ${{ matrix.elixir }}
    strategy:
      matrix:
        otp: ["22.3.4.24", "23.3.4.11", "24.2.1"]
        elixir: ["1.11.4", "1.12.3", "1.13.3"]
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - uses: erlef/setup-elixir@v1
        with:
          otp-version: ${{ matrix.otp }}
          elixir-version: ${{ matrix.elixir }}

      - name: Restore cache
        uses: actions/cache@v2
        id: mix-cache
        with:
          path: |
            deps
            _build
            priv/plts
          key: ${{ runner.os }}-mix-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
          restore-keys: |
            ${{ runner.os }}-mix
      - name: Install dependencies
        if: steps.mix-cache.outputs.cache-hit != 'true'
        run: |
          mkdir -p priv/plts
          mix local.rebar --force
          mix local.hex --force
          mix deps.get
          mix deps.compile

      - name: Compile
        run: mix compile --warnings-as-errors

      - name: Check formatting
        run: mix format --check-formatted

      - name: Run tests
        run: mix test --trace --slowest 10
        env:
          MIX_ENV: test