elixir.yml

name: Elixir CI

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

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2
    - name: Setup elixir
      uses: actions/setup-elixir@v1
      with:
        elixir-version: 1.9.4 # Define the elixir version [required]
        otp-version: 22.2 # Define the OTP version [required]
    - name: Check formatting
      run: mix format --check-formatted

    - name: Cache Dependencies
      id: mix-cache
      uses: actions/cache@v2
      with:
        path: deps
        key: ${{ runner.os }}-mix-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
    - name: Install Dependencies
      if: steps.mix-cache.outputs.cache-hit != 'true'
      run: mix deps.get

    - name: Cache Build
      id: build-cache
      uses: actions/cache@v2
      with:
        path: |
          _build
          !_build/*/lib/signal_tower
        key: ${{ runner.os }}-mix-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
    - name: Compile Dependencies
      run: mix deps.compile
    - name: Compile and check for warnings
      run: mix compile --warnings-as-errors

    - name: Run Tests
      run: mix test

    - name: Run dialyzer static code analysis
      run: mix dialyzer