ci.yml

name: CI

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]

permissions:
  contents: read

jobs:
  test_linux_elixir_latest:
    name: ${{ matrix.os }}, Erlang/OTP ${{ matrix.otp-version }} Elixir ${{ matrix.elixir-version }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-20.04
            elixir-version: 1.15
            otp-version: 24
          - os: ubuntu-20.04
            elixir-version: 1.15
            otp-version: 25
          - os: ubuntu-22.04
            elixir-version: 1.15
            otp-version: 26
          - os: ubuntu-20.04
            elixir-version: 1.16
            otp-version: 24
          - os: ubuntu-20.04
            elixir-version: 1.16
            otp-version: 25
          - os: ubuntu-22.04
            elixir-version: 1.16
            otp-version: 26
          - os: ubuntu-20.04
            elixir-version: 1.17
            otp-version: 25
          - os: ubuntu-20.04
            elixir-version: 1.17
            otp-version: 26
          - os: ubuntu-22.04
            elixir-version: 1.17
            otp-version: 27
    env:
      MIX_ENV: test
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
    - uses: actions/checkout@v4
    - name: Set up Elixir
      uses: erlef/setup-beam@v1
      with:
        elixir-version:  ${{ matrix.elixir-version }}
        otp-version:  ${{ matrix.otp-version }}
    - name: Restore dependencies cache
      uses: actions/cache@v4
      with:
        path: deps
        key: ${{ runner.os }}-${{ matrix.elixir-version }}-${{ matrix.otp-version}}-mix-${{ hashFiles('**/mix.lock') }}
        restore-keys: ${{ runner.os }}-${{ matrix.elixir-version}}-${{ matrix.otp-version }}-mix-
    - name: Install dependencies
      run: mix deps.get
    - name: Run mix format
      run: mix format --check-formatted
    - name: Run tests
      run: mix test
    - name: Run coverage export
      run: mix coveralls.github
      if: startsWith(matrix.elixir-version, '1.16') && startsWith(matrix.otp-version, '26')