require 'test_helper' class AppConfigTest < ActiveSupport::TestCase test "verify sample file exists" do assert File.exist? "#{Rails.root}/config/application.yml.sample" end test "verify config file exists" do assert File.exist? "#{Rails.root}/config/application.yml" end test 'config can load and return proper values' do config = AppConfig.new assert_equal 'localhost', config.mysql_host end end