ci.yml

name: Test

on:
  push:
  pull_request:
    branches:
      - master

jobs:
  check_duplicate_runs:
    name: Check for duplicate runs
    continue-on-error: true
    runs-on: ubuntu-latest
    outputs:
      should_skip: ${{ steps.skip_check.outputs.should_skip }}
    steps:
      - id: skip_check
        uses: fkirc/skip-duplicate-actions@master
        with:
          concurrent_skipping: always
          cancel_others: true
          skip_after_successful_duplicate: true
          paths_ignore: '["**/README.md", "**/CHANGELOG.md", "**/LICENSE"]'
          do_not_skip: '["pull_request"]'

  test:
    name: Elixir ${{ matrix.elixir }} / OTP ${{ matrix.otp }}
    runs-on: ubuntu-20.04
    needs: check_duplicate_runs
    if: ${{ needs.check_duplicate_runs.outputs.should_skip != 'true' }}

    strategy:
      fail-fast: false
      matrix:
        include:
          - elixir: 1.7
            otp: 21.3
          - elixir: 1.8.2
            otp: 21.3
          - elixir: 1.9.4
            otp: 22.2
          - elixir: 1.10.4
            otp: 23.0
          - elixir: 1.13.0
            otp: 24.1
          - elixir: 1.14.1
            otp: 25.1
            check_warnings: true
            check_format: true
    steps:
    - name: Checkout
      uses: actions/checkout@v3

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

    - name: Set up Redis Server
      run: sudo apt-get install redis-server -y

    - name: Restore deps cache
      uses: actions/cache@v3
      with:
        path: |
          deps
          _build
        key: ${{ runner.os }}-deps-${{ matrix.otp }}-${{ matrix.elixir }}-${{ hashFiles('**/mix.lock') }}-git-${{ github.sha }}
        restore-keys: |
          ${{ runner.os }}-deps-${{ matrix.otp }}-${{ matrix.elixir }}-${{ hashFiles('**/mix.lock') }}
          ${{ runner.os }}-deps-${{ matrix.otp }}-${{ matrix.elixir }}

    - name: Install package dependencies
      run: mix deps.get

    - name: Remove compiled application files
      run: mix clean

    - name: Check Format
      run: mix format --check-formatted
      if: ${{ matrix.check_format }}

    - name: Compile dependencies
      run: mix compile
      env:
        MIX_ENV: test

    - name: Check warnings
      run: mix compile --force --warnings-as-errors
      if: ${{ matrix.check_warnings }}
      env:
        MIX_ENV: test

    - name: Run unit tests
      run: mix coveralls.github --no-start
      env:
        MIX_ENV: test
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}