test.yml

name: Mix Tests

on:
  push:
    branches: [master, v2]
  pull_request:
    branches: [master, v2]

jobs:
  build:
    name: Elixir ${{ matrix.elixir }} with OTP ${{ matrix.otp }}
    runs-on: ubuntu-20.04

    strategy:
      fail-fast: false
      matrix:
        elixir:
          - '1.17'
          - '1.16'
          - '1.15'
        otp:
          - '27.0'
          - '26.2'
          - '25.3'
          - '24.3'
        exclude:
          - elixir: '1.17'
            otp: '24.3'
          - elixir: '1.16'
            otp: '27.0'
          - elixir: '1.15'
            otp: '27.0'

    services:
      postgres:
        image: postgres:16
        ports: ['5432:5432']
        env:
          POSTGRES_PASSWORD: postgres
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 3
      redis:
        image: redis
        ports: ['6379:6379']

    steps:

      - name: Start Default MySQL 5.7
        run: sudo /etc/init.d/mysql start

      - name: 'Wait for MySQL to be ready (TODO: needs timeout)'
        run: |
          while ! mysqladmin ping -h"127.0.0.1" -uroot -proot -P3306 --silent >/dev/null 2>&1; do
            sleep 1
          done

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

      - name: Checkout code
        uses: actions/checkout@v4

      - name: 'Restore cache for deps/ and _build/ directories'
        uses: actions/cache@v4
        with:
          path: |
            deps
            _build
          key: ${{ runner.os }}-mix-test-${{ matrix.elixir }}-${{ matrix.otp }}-${{ hashFiles('**/mix.lock') }}
          restore-keys: ${{ runner.os }}-mix-test-${{ matrix.elixir }}-${{ matrix.otp }}-

      # - name: '[DEBUG] List cached dirs'
      #   run: |
      #     ls -la deps
      #     ls -la _build
      #     ls -la _build/test/lib

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

      - name: Create and migrate the DB on Postgres
        run: |
          MIX_ENV=test PERSISTENCE=ecto RDBMS=postgres mix compile --warnings-as-errors
          MIX_ENV=test PERSISTENCE=ecto RDBMS=postgres mix do ecto.create, ecto.migrate
          rm -rf _build/test/lib/fun_with_flags

      - name: Create and migrate the DB on MySQL
        run: |
          MIX_ENV=test PERSISTENCE=ecto RDBMS=mysql mix compile --warnings-as-errors
          MIX_ENV=test PERSISTENCE=ecto RDBMS=mysql mix do ecto.create, ecto.migrate
          rm -rf _build/test/lib/fun_with_flags

      - name: Create and migrate the DB on SQLite
        run: |
          MIX_ENV=test PERSISTENCE=ecto RDBMS=sqlite mix compile --warnings-as-errors
          MIX_ENV=test PERSISTENCE=ecto RDBMS=sqlite mix do ecto.create, ecto.migrate
          rm -rf _build/test/lib/fun_with_flags

      - name: Run all tests
        run: mix test.all