main.yml

name: Elixir CI

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

env:
  MIX_ENV: test

permissions:
  contents: read

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

    strategy:
      matrix:
        elixir: ['1.14.5', '1.15.4', '1.16.3', '1.17.3']
        erlang: ['24.3', '25.3', '26.0', '27.1']
        exclude:
          - elixir: '1.14.5'
            erlang: '27.1'
          - elixir: '1.15.4'
            erlang: '27.1'
          - elixir: '1.16.3'
            erlang: '27.1'
          - elixir: '1.17.3'
            erlang: '24.3'
    steps:
      - uses: actions/checkout@v3
      - name: Set up Elixir
        uses: erlef/setup-beam@v1
        with:
          version-type: 'loose'
          elixir-version: ${{ matrix.elixir }}
          otp-version: ${{ matrix.erlang }}
      - name: Restore dependencies cache
        uses: actions/cache@v2
        with:
          path: deps
          key: ${{ runner.os }}-${{ matrix.erlang }}-${{ matrix.elixir }}-mix-${{ hashFiles('**/mix.lock') }}
          restore-keys: ${{ runner.os }}-${{ matrix.erlang }}-${{ matrix.elixir }}-mix-
      - name: Install dependencies
        run: mix deps.get
      - name: Run tests
        run: mix test