ci.yml

name: CI

on:
  workflow_dispatch:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]
env:
  ELIXIR_VERISON: 1.11.3
  OTP_VERSION: 23.2
  MIX_ENV: test
  TEST_DATABASE_URL: postgres://postgres:postgres@localhost:5432/elixir_formula_test
  TELEGRAM_BOT_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}

jobs:
  build:
    name: Build Stage
    runs-on: ubuntu-latest

    steps:
      - name: Cancel Previous Runs
        uses: styfle/cancel-workflow-action@0.6.0
        with:
          access_token: ${{ github.token }}

      - name: Checkout
        uses: actions/checkout@v2

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

      - name: Retrieve Cached Dependencies
        uses: actions/cache@v2
        id: mix-cache
        with:
          path: |
            deps
            _build
          key: ${{ runner.os }}-${{ env.OTP_VERSION }}-${{ env.ELIXIR_VERISON }}-${{ hashFiles('mix.lock') }}

      - name: Install Mix Dependencies
        if: steps.mix-cache.outputs.cache-hit != 'true'
        run: |
          mix local.rebar --force
          mix local.hex --force
          mix deps.get
          mix deps.compile

  linter:
    name: Linter Stage
    needs: build
    runs-on: ubuntu-latest

    steps:
      - name: Cancel Previous Runs
        uses: styfle/cancel-workflow-action@0.6.0
        with:
          access_token: ${{ github.token }}

      - name: Checkout
        uses: actions/checkout@v2

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

      - name: Retrieve Cached Dependencies
        uses: actions/cache@v2
        id: mix-cache
        with:
          path: |
            deps
            _build
          key: ${{ runner.os }}-${{ env.OTP_VERSION }}-${{ env.ELIXIR_VERISON }}-${{ hashFiles('mix.lock') }}

      - name: Check Formatting
        run: mix format --check-formatted

      - name: Run Credo
        run: mix credo --strict

  unit_tests:
    name: Unit Tests Stage
    needs: build
    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgres:11.1
        env:
          POSTGRES_DB: elixir_formula_test
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
        ports:
          - 5432:5432
        options:
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5

    steps:
      - name: Cancel Previous Runs
        uses: styfle/cancel-workflow-action@0.6.0
        with:
          access_token: ${{ github.token }}

      - name: Checkout
        uses: actions/checkout@v2

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

      - name: Retrieve Cached Dependencies
        uses: actions/cache@v2
        id: mix-cache
        with:
          path: |
            deps
            _build
          key: ${{ runner.os }}-${{ env.OTP_VERSION }}-${{ env.ELIXIR_VERISON }}-${{ hashFiles('mix.lock') }}

      - name: Run Tests
        run: |
          mix ecto.setup
          mix coveralls.github
        env:
          GITHUB_TOKEN: ${{ github.token }}