require "isolation/abstract_unit" module ApplicationTests class InitializerTest < Test::Unit::TestCase include ActiveSupport::Testing::Isolation def setup build_app boot_rails Object.send(:remove_const, :RAILS_ROOT) end test "the application root is set correctly" do require "#{app_path}/config/environment" assert_equal Pathname.new(app_path), Rails.application.root end test "the application root can be set" do FileUtils.mkdir_p("#{app_path}/hello") add_to_config <<-RUBY config.frameworks = [] config.root = '#{app_path}/hello' RUBY require "#{app_path}/config/environment" assert_equal Pathname.new("#{app_path}/hello"), Rails.application.root end test "the application root is detected as where config.ru is located" do add_to_config <<-RUBY config.frameworks = [] RUBY FileUtils.mv "#{app_path}/config.ru", "#{app_path}/config/config.ru" require "#{app_path}/config/environment" assert_equal Pathname.new("#{app_path}/config"), Rails.application.root end test "the application root is Dir.pwd if there is no config.ru" do File.delete("#{app_path}/config.ru") add_to_config <<-RUBY config.frameworks = [] RUBY Dir.chdir("#{app_path}/app") do require "#{app_path}/config/environment" assert_equal Pathname.new("#{app_path}/app"), Rails.application.root end end end end