elixir.yml

name: Elixir CI

on:
  push:
    branches: [master]
  pull_request:
    branches: [master]

jobs:
  build:
    name: Build and test
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        otp:
          - 23.3.4
          - 24.1.1
        elixir:
          - 1.11.4
          - 1.12.3
        include:
          - otp: 24.1.1
            elixir: 1.12.3
            lint: lint

    steps:
      - uses: actions/checkout@v2
      - name: Set up Elixir
        uses: erlef/setup-beam@v1
        with:
          elixir-version: ${{ matrix.elixir }}
          otp-version: ${{ matrix.otp }}

      - name: Restore dependencies cache
        uses: actions/cache@v2
        with:
          path: deps
          key: ${{ runner.os }}-mix-${{ matrix.elixir}}-${{ matrix.otp }}-${{ hashFiles('**/mix.lock') }}

      - name: Install dependencies
        run: mix deps.get

      - run: mix format --check-formatted
        if: ${{ matrix.lint }}

      - run: mix deps.compile

      - run: mix compile --warnings-as-errors
        if: ${{ matrix.lint }}

      - name: Run tests
        run: mix test