require "isolation/abstract_unit" module ApplicationTests class ConfigurationTest < Test::Unit::TestCase include ActiveSupport::Testing::Isolation def new_app File.expand_path("#{app_path}/../new_app") end def copy_app FileUtils.cp_r(app_path, new_app) end def app @app ||= Rails.application end def setup FileUtils.rm_rf(new_app) if File.directory?(new_app) build_app boot_rails FileUtils.rm_rf("#{app_path}/config/environments") end test "Rails::Application.instance is nil until app is initialized" do require 'rails' assert_nil Rails::Application.instance require "#{app_path}/config/environment" assert_equal AppTemplate::Application.instance, Rails::Application.instance 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 seen from the application singleton" do require "#{app_path}/config/environment" assert_equal Pathname.new(app_path), AppTemplate::Application.root end test "the application root can be set" do copy_app add_to_config <<-RUBY config.root = '#{new_app}' RUBY use_frameworks [] require "#{app_path}/config/environment" assert_equal Pathname.new(new_app), Rails.application.root end test "the application root is Dir.pwd if there is no config.ru" do File.delete("#{app_path}/config.ru") use_frameworks [] Dir.chdir("#{app_path}") do require "#{app_path}/config/environment" assert_equal Pathname.new("#{app_path}"), Rails.application.root end end test "Rails.root should be a Pathname" do add_to_config <<-RUBY config.root = "#{app_path}" RUBY require "#{app_path}/config/environment" assert_instance_of Pathname, Rails.root end test "marking the application as threadsafe sets the correct config variables" do add_to_config <<-RUBY config.threadsafe! RUBY require "#{app_path}/config/application" assert AppTemplate::Application.config.action_controller.allow_concurrency end test "the application can be marked as threadsafe when there are no frameworks" do FileUtils.rm_rf("#{app_path}/config/environments") add_to_config <<-RUBY config.threadsafe! RUBY use_frameworks [] assert_nothing_raised do require "#{app_path}/config/application" end end test "Frameworks are not preloaded by default" do require "#{app_path}/config/environment" assert ActionController.autoload?(:RecordIdentifier) end test "frameworks are preloaded with config.preload_frameworks is set" do add_to_config <<-RUBY config.preload_frameworks = true RUBY require "#{app_path}/config/environment" assert !ActionController.autoload?(:RecordIdentifier) end test "runtime error is raised if config.frameworks= is used" do add_to_config "config.frameworks = []" assert_raises RuntimeError do require "#{app_path}/config/environment" end end test "runtime error is raised if config.frameworks is used" do add_to_config "config.frameworks -= []" assert_raises RuntimeError do require "#{app_path}/config/environment" end end test "filter_parameters should be able to set via config.filter_parameters" do add_to_config <<-RUBY config.filter_parameters += [ :foo, 'bar', lambda { |key, value| value = value.reverse if key =~ /baz/ }] RUBY assert_nothing_raised do require "#{app_path}/config/application" end end test "config.to_prepare is forwarded to ActionDispatch" do $prepared = false add_to_config <<-RUBY config.to_prepare do $prepared = true end RUBY assert !$prepared require "#{app_path}/config/environment" require 'rack/test' extend Rack::Test::Methods get "/" assert $prepared end end end