Rails Rspec testing configuration

We use factory bot rails for creating factories which are model data. Faker to create fake data for factories. Shoulda matcher for matching the expectations. Database cleaner for proactively cleaning database active record.

group :test do
  # Use system testing [https://guides.rubyonrails.org/testing.html#system-testing]
  gem "capybara"
  gem "selenium-webdriver"
  gem "webdrivers"
  gem 'factory_bot_rails'
  gem 'faker'
  gem 'shoulda-matchers'
  gem 'database_cleaner-active_record'
end

Rails Helper

require 'rspec/rails'
require 'factory_bot_rails'
require 'database_cleaner/active_record'

# Dir[Rails.root.join('spec', 'support', '**', '*.rb')].sort.each { |f| require f }

# Checks for pending migrations and applies them before tests are run.
# If you are not using ActiveRecord, you can remove these lines.
begin
  ActiveRecord::Migration.maintain_test_schema!
rescue ActiveRecord::PendingMigrationError => e
  puts e.to_s.strip
  exit 1
end

module ControllerMacros
  def sign_me_in
    before :each do
      @request.env['devise.mapping'] = Devise.mappings[:user]
      @current_user = FactoryBot.create(:user)
      sign_in :user, @current_user
    end
  end
end

Shoulda::Matchers.configure do |config|
  config.integrate do |with|
    with.test_framework :rspec
    with.library :rails
  end
end

RSpec.configure do |config|
  config.include FactoryBot::Syntax::Methods
  config.extend ControllerMacros, type: :controller
  config.include Devise::Test::ControllerHelpers, type: :controller
  config.before(:suite) do
    DatabaseCleaner.clean_with(:truncation)
    Rails.application.load_seed
  end
end