require "isolation/abstract_unit" require 'rack/test' require 'env_helpers' class ::MyMailInterceptor def self.delivering_email(email); email; end end class ::MyOtherMailInterceptor < ::MyMailInterceptor; end class ::MyPreviewMailInterceptor def self.previewing_email(email); email; end end class ::MyOtherPreviewMailInterceptor < ::MyPreviewMailInterceptor; end class ::MyMailObserver def self.delivered_email(email); email; end end class ::MyOtherMailObserver < ::MyMailObserver; end module ApplicationTests class ConfigurationTest < ActiveSupport::TestCase include ActiveSupport::Testing::Isolation include Rack::Test::Methods include EnvHelpers 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 build_app boot_rails FileUtils.rm_rf("#{app_path}/config/environments") end def teardown teardown_app FileUtils.rm_rf(new_app) if File.directory?(new_app) end test "Rails.env does not set the RAILS_ENV environment variable which would leak out into rake tasks" do require "rails" switch_env "RAILS_ENV", nil do Rails.env = "development" assert_equal "development", Rails.env assert_nil ENV['RAILS_ENV'] end end test "a renders exception on pending migration" do add_to_config <<-RUBY config.active_record.migration_error = :page_load config.consider_all_requests_local = true config.action_dispatch.show_exceptions = true RUBY app_file 'db/migrate/20140708012246_create_user.rb', <<-RUBY class CreateUser < ActiveRecord::Migration def change create_table :users end end RUBY require "#{app_path}/config/environment" ActiveRecord::Migrator.migrations_paths = ["#{app_path}/db/migrate"] begin get "/foo" assert_equal 500, last_response.status assert_match "ActiveRecord::PendingMigrationError", last_response.body ensure ActiveRecord::Migrator.migrations_paths = nil end end test "Rails.groups returns available groups" do require "rails" Rails.env = "development" assert_equal [:default, "development"], Rails.groups assert_equal [:default, "development", :assets], Rails.groups(assets: [:development]) assert_equal [:default, "development", :another, :assets], Rails.groups(:another, assets: %w(development)) Rails.env = "test" assert_equal [:default, "test"], Rails.groups(assets: [:development]) ENV["RAILS_GROUPS"] = "javascripts,stylesheets" assert_equal [:default, "test", "javascripts", "stylesheets"], Rails.groups end test "Rails.application is nil until app is initialized" do require 'rails' assert_nil Rails.application require "#{app_path}/config/environment" assert_equal AppTemplate::Application.instance, Rails.application end test "Rails.application responds to all instance methods" do require "#{app_path}/config/environment" assert_respond_to Rails.application, :routes_reloader assert_equal Rails.application.routes_reloader, AppTemplate::Application.routes_reloader end test "Rails::Application responds to paths" do require "#{app_path}/config/environment" assert_respond_to AppTemplate::Application, :paths assert_equal ["#{app_path}/app/views"], AppTemplate::Application.paths["app/views"].expanded 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 "Rails.public_path should be a Pathname" do add_to_config <<-RUBY config.paths["public"] = "somewhere" RUBY require "#{app_path}/config/environment" assert_instance_of Pathname, Rails.public_path end test "initialize an eager loaded, cache classes app" do add_to_config <<-RUBY config.eager_load = true config.cache_classes = true RUBY require "#{app_path}/config/application" assert Rails.application.initialize! end test "application is always added to eager_load namespaces" do require "#{app_path}/config/application" assert Rails.application, Rails.application.config.eager_load_namespaces end test "the application can be eager loaded even when there are no frameworks" do FileUtils.rm_rf("#{app_path}/config/environments") add_to_config <<-RUBY config.eager_load = true config.cache_classes = true RUBY use_frameworks [] assert_nothing_raised do require "#{app_path}/config/application" 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 "filter_parameters should be able to set via config.filter_parameters in an initializer" do app_file 'config/initializers/filter_parameters_logging.rb', <<-RUBY Rails.application.config.filter_parameters += [ :password, :foo, 'bar' ] RUBY require "#{app_path}/config/environment" assert_equal [:password, :foo, 'bar'], Rails.application.env_config['action_dispatch.parameter_filter'] 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" get "/" assert $prepared end def assert_utf8 assert_equal Encoding::UTF_8, Encoding.default_external assert_equal Encoding::UTF_8, Encoding.default_internal end test "skipping config.encoding still results in 'utf-8' as the default" do require "#{app_path}/config/application" assert_utf8 end test "config.encoding sets the default encoding" do add_to_config <<-RUBY config.encoding = "utf-8" RUBY require "#{app_path}/config/application" assert_utf8 end test "config.paths.public sets Rails.public_path" do add_to_config <<-RUBY config.paths["public"] = "somewhere" RUBY require "#{app_path}/config/application" assert_equal Pathname.new(app_path).join("somewhere"), Rails.public_path end test "Use key_generator when secret_key_base is set" do make_basic_app do |app| app.secrets.secret_key_base = 'b3c631c314c0bbca50c1b2843150fe33' app.config.session_store :disabled end class ::OmgController < ActionController::Base def index cookies.signed[:some_key] = "some_value" render text: cookies[:some_key] end end get "/" secret = app.key_generator.generate_key('signed cookie') verifier = ActiveSupport::MessageVerifier.new(secret) assert_equal 'some_value', verifier.verify(last_response.body) end test "application verifier can be used in the entire application" do make_basic_app do |app| app.secrets.secret_key_base = 'b3c631c314c0bbca50c1b2843150fe33' app.config.session_store :disabled end message = app.message_verifier(:sensitive_value).generate("some_value") assert_equal 'some_value', Rails.application.message_verifier(:sensitive_value).verify(message) secret = app.key_generator.generate_key('sensitive_value') verifier = ActiveSupport::MessageVerifier.new(secret) assert_equal 'some_value', verifier.verify(message) end test "application verifier can build different verifiers" do make_basic_app do |app| app.secrets.secret_key_base = 'b3c631c314c0bbca50c1b2843150fe33' app.config.session_store :disabled end default_verifier = app.message_verifier(:sensitive_value) text_verifier = app.message_verifier(:text) message = text_verifier.generate('some_value') assert_equal 'some_value', text_verifier.verify(message) assert_raises ActiveSupport::MessageVerifier::InvalidSignature do default_verifier.verify(message) end assert_equal default_verifier.object_id, app.message_verifier(:sensitive_value).object_id assert_not_equal default_verifier.object_id, text_verifier.object_id end test "secrets.secret_key_base is used when config/secrets.yml is present" do app_file 'config/secrets.yml', <<-YAML development: secret_key_base: 3b7cd727ee24e8444053437c36cc66c3 YAML require "#{app_path}/config/environment" assert_equal '3b7cd727ee24e8444053437c36cc66c3', app.secrets.secret_key_base end test "secret_key_base is copied from config to secrets when not set" do remove_file "config/secrets.yml" app_file 'config/initializers/secret_token.rb', <<-RUBY Rails.application.config.secret_key_base = "3b7cd727ee24e8444053437c36cc66c3" RUBY require "#{app_path}/config/environment" assert_equal '3b7cd727ee24e8444053437c36cc66c3', app.secrets.secret_key_base end test "custom secrets saved in config/secrets.yml are loaded in app secrets" do app_file 'config/secrets.yml', <<-YAML development: secret_key_base: 3b7cd727ee24e8444053437c36cc66c3 aws_access_key_id: myamazonaccesskeyid aws_secret_access_key: myamazonsecretaccesskey YAML require "#{app_path}/config/environment" assert_equal 'myamazonaccesskeyid', app.secrets.aws_access_key_id assert_equal 'myamazonsecretaccesskey', app.secrets.aws_secret_access_key end test "blank config/secrets.yml does not crash the loading process" do app_file 'config/secrets.yml', <<-YAML YAML require "#{app_path}/config/environment" assert_nil app.secrets.not_defined end test "protect from forgery is the default in a new app" do make_basic_app class ::OmgController < ActionController::Base def index render inline: "<%= csrf_meta_tags %>" end end get "/" assert last_response.body =~ /csrf\-param/ end test "default method for update can be changed" do app_file 'app/models/post.rb', <<-RUBY class Post include ActiveModel::Model def to_key; [1]; end def persisted?; true; end end RUBY token = "cf50faa3fe97702ca1ae" app_file 'app/controllers/posts_controller.rb', <<-RUBY class PostsController < ApplicationController def show render inline: "<%= begin; form_for(Post.new) {}; rescue => e; e.to_s; end %>" end def update render text: "update" end private def form_authenticity_token; token; end # stub the authenticy token end RUBY add_to_config <<-RUBY routes.prepend do resources :posts end RUBY require "#{app_path}/config/environment" params = {authenticity_token: token} get "/posts/1" assert_match(/patch/, last_response.body) patch "/posts/1", params assert_match(/update/, last_response.body) patch "/posts/1", params assert_equal 200, last_response.status put "/posts/1", params assert_match(/update/, last_response.body) put "/posts/1", params assert_equal 200, last_response.status end test "request forgery token param can be changed" do make_basic_app do app.config.action_controller.request_forgery_protection_token = '_xsrf_token_here' end class ::OmgController < ActionController::Base def index render inline: "<%= csrf_meta_tags %>" end end get "/" assert_match "_xsrf_token_here", last_response.body end test "sets ActionDispatch.test_app" do make_basic_app assert_equal Rails.application, ActionDispatch.test_app end test "sets ActionDispatch::Response.default_charset" do make_basic_app do |app| app.config.action_dispatch.default_charset = "utf-16" end assert_equal "utf-16", ActionDispatch::Response.default_charset end test "registers interceptors with ActionMailer" do add_to_config <<-RUBY config.action_mailer.interceptors = MyMailInterceptor RUBY require "#{app_path}/config/environment" require "mail" _ = ActionMailer::Base assert_equal [::MyMailInterceptor], ::Mail.send(:class_variable_get, "@@delivery_interceptors") end test "registers multiple interceptors with ActionMailer" do add_to_config <<-RUBY config.action_mailer.interceptors = [MyMailInterceptor, "MyOtherMailInterceptor"] RUBY require "#{app_path}/config/environment" require "mail" _ = ActionMailer::Base assert_equal [::MyMailInterceptor, ::MyOtherMailInterceptor], ::Mail.send(:class_variable_get, "@@delivery_interceptors") end test "registers preview interceptors with ActionMailer" do add_to_config <<-RUBY config.action_mailer.preview_interceptors = MyPreviewMailInterceptor RUBY require "#{app_path}/config/environment" require "mail" _ = ActionMailer::Base assert_equal [::MyPreviewMailInterceptor], ActionMailer::Base.preview_interceptors end test "registers multiple preview interceptors with ActionMailer" do add_to_config <<-RUBY config.action_mailer.preview_interceptors = [MyPreviewMailInterceptor, "MyOtherPreviewMailInterceptor"] RUBY require "#{app_path}/config/environment" require "mail" _ = ActionMailer::Base assert_equal [MyPreviewMailInterceptor, MyOtherPreviewMailInterceptor], ActionMailer::Base.preview_interceptors end test "registers observers with ActionMailer" do add_to_config <<-RUBY config.action_mailer.observers = MyMailObserver RUBY require "#{app_path}/config/environment" require "mail" _ = ActionMailer::Base assert_equal [::MyMailObserver], ::Mail.send(:class_variable_get, "@@delivery_notification_observers") end test "registers multiple observers with ActionMailer" do add_to_config <<-RUBY config.action_mailer.observers = [MyMailObserver, "MyOtherMailObserver"] RUBY require "#{app_path}/config/environment" require "mail" _ = ActionMailer::Base assert_equal [::MyMailObserver, ::MyOtherMailObserver], ::Mail.send(:class_variable_get, "@@delivery_notification_observers") end test "valid timezone is setup correctly" do add_to_config <<-RUBY config.root = "#{app_path}" config.time_zone = "Wellington" RUBY require "#{app_path}/config/environment" assert_equal "Wellington", Rails.application.config.time_zone end test "raises when an invalid timezone is defined in the config" do add_to_config <<-RUBY config.root = "#{app_path}" config.time_zone = "That big hill over yonder hill" RUBY assert_raise(ArgumentError) do require "#{app_path}/config/environment" end end test "valid beginning of week is setup correctly" do add_to_config <<-RUBY config.root = "#{app_path}" config.beginning_of_week = :wednesday RUBY require "#{app_path}/config/environment" assert_equal :wednesday, Rails.application.config.beginning_of_week end test "raises when an invalid beginning of week is defined in the config" do add_to_config <<-RUBY config.root = "#{app_path}" config.beginning_of_week = :invalid RUBY assert_raise(ArgumentError) do require "#{app_path}/config/environment" end end test "config.action_view.cache_template_loading with cache_classes default" do add_to_config "config.cache_classes = true" require "#{app_path}/config/environment" require 'action_view/base' assert_equal true, ActionView::Resolver.caching? end test "config.action_view.cache_template_loading without cache_classes default" do add_to_config "config.cache_classes = false" require "#{app_path}/config/environment" require 'action_view/base' assert_equal false, ActionView::Resolver.caching? end test "config.action_view.cache_template_loading = false" do add_to_config <<-RUBY config.cache_classes = true config.action_view.cache_template_loading = false RUBY require "#{app_path}/config/environment" require 'action_view/base' assert_equal false, ActionView::Resolver.caching? end test "config.action_view.cache_template_loading = true" do add_to_config <<-RUBY config.cache_classes = false config.action_view.cache_template_loading = true RUBY require "#{app_path}/config/environment" require 'action_view/base' assert_equal true, ActionView::Resolver.caching? end test "config.action_view.cache_template_loading with cache_classes in an environment" do build_app(initializers: true) add_to_env_config "development", "config.cache_classes = false" # These requires are to emulate an engine loading Action View before the application require 'action_view' require 'action_view/railtie' require 'action_view/base' require "#{app_path}/config/environment" assert_equal false, ActionView::Resolver.caching? end test "config.action_dispatch.show_exceptions is sent in env" do make_basic_app do |app| app.config.action_dispatch.show_exceptions = true end class ::OmgController < ActionController::Base def index render text: env["action_dispatch.show_exceptions"] end end get "/" assert_equal 'true', last_response.body end test "config.action_controller.wrap_parameters is set in ActionController::Base" do app_file 'config/initializers/wrap_parameters.rb', <<-RUBY ActionController::Base.wrap_parameters format: [:json] RUBY app_file 'app/models/post.rb', <<-RUBY class Post def self.attribute_names %w(title) end end RUBY app_file 'app/controllers/application_controller.rb', <<-RUBY class ApplicationController < ActionController::Base protect_from_forgery with: :reset_session # as we are testing API here end RUBY app_file 'app/controllers/posts_controller.rb', <<-RUBY class PostsController < ApplicationController def create render text: params[:post].inspect end end RUBY add_to_config <<-RUBY routes.prepend do resources :posts end RUBY require "#{app_path}/config/environment" post "/posts.json", '{ "title": "foo", "name": "bar" }', "CONTENT_TYPE" => "application/json" assert_equal '{"title"=>"foo"}', last_response.body end test "config.action_controller.permit_all_parameters = true" do app_file 'app/controllers/posts_controller.rb', <<-RUBY class PostsController < ActionController::Base def create render text: params[:post].permitted? ? "permitted" : "forbidden" end end RUBY add_to_config <<-RUBY routes.prepend do resources :posts end config.action_controller.permit_all_parameters = true RUBY require "#{app_path}/config/environment" post "/posts", {post: {"title" =>"zomg"}} assert_equal 'permitted', last_response.body end test "config.action_controller.action_on_unpermitted_parameters = :raise" do app_file 'app/controllers/posts_controller.rb', <<-RUBY class PostsController < ActionController::Base def create render text: params.require(:post).permit(:name) end end RUBY add_to_config <<-RUBY routes.prepend do resources :posts end config.action_controller.action_on_unpermitted_parameters = :raise RUBY require "#{app_path}/config/environment" assert_equal :raise, ActionController::Parameters.action_on_unpermitted_parameters post "/posts", {post: {"title" =>"zomg"}} assert_match "We're sorry, but something went wrong", last_response.body end test "config.action_controller.always_permitted_parameters are: controller, action by default" do require "#{app_path}/config/environment" assert_equal %w(controller action), ActionController::Parameters.always_permitted_parameters end test "config.action_controller.always_permitted_parameters = ['controller', 'action', 'format']" do add_to_config <<-RUBY config.action_controller.always_permitted_parameters = %w( controller action format ) RUBY require "#{app_path}/config/environment" assert_equal %w( controller action format ), ActionController::Parameters.always_permitted_parameters end test "config.action_controller.always_permitted_parameters = ['controller','action','format'] does not raise exeception" do app_file 'app/controllers/posts_controller.rb', <<-RUBY class PostsController < ActionController::Base def create render text: params.permit(post: [:title]) end end RUBY add_to_config <<-RUBY routes.prepend do resources :posts end config.action_controller.always_permitted_parameters = %w( controller action format ) config.action_controller.action_on_unpermitted_parameters = :raise RUBY require "#{app_path}/config/environment" assert_equal :raise, ActionController::Parameters.action_on_unpermitted_parameters post "/posts", {post: {"title" =>"zomg"}, format: "json"} assert_equal 200, last_response.status end test "config.action_controller.action_on_unpermitted_parameters is :log by default on development" do ENV["RAILS_ENV"] = "development" require "#{app_path}/config/environment" assert_equal :log, ActionController::Parameters.action_on_unpermitted_parameters end test "config.action_controller.action_on_unpermitted_parameters is :log by default on test" do ENV["RAILS_ENV"] = "test" require "#{app_path}/config/environment" assert_equal :log, ActionController::Parameters.action_on_unpermitted_parameters end test "config.action_controller.action_on_unpermitted_parameters is false by default on production" do ENV["RAILS_ENV"] = "production" require "#{app_path}/config/environment" assert_equal false, ActionController::Parameters.action_on_unpermitted_parameters end test "config.action_dispatch.ignore_accept_header" do make_basic_app do |app| app.config.action_dispatch.ignore_accept_header = true end class ::OmgController < ActionController::Base def index respond_to do |format| format.html { render text: "HTML" } format.xml { render text: "XML" } end end end get "/", {}, "HTTP_ACCEPT" => "application/xml" assert_equal 'HTML', last_response.body get "/", { format: :xml }, "HTTP_ACCEPT" => "application/xml" assert_equal 'XML', last_response.body end test "Rails.application#env_config exists and include some existing parameters" do make_basic_app assert_respond_to app, :env_config assert_equal app.env_config['action_dispatch.parameter_filter'], app.config.filter_parameters assert_equal app.env_config['action_dispatch.show_exceptions'], app.config.action_dispatch.show_exceptions assert_equal app.env_config['action_dispatch.logger'], Rails.logger assert_equal app.env_config['action_dispatch.backtrace_cleaner'], Rails.backtrace_cleaner assert_equal app.env_config['action_dispatch.key_generator'], Rails.application.key_generator end test "config.colorize_logging default is true" do make_basic_app assert app.config.colorize_logging end test "config.session_store with :active_record_store with activerecord-session_store gem" do begin make_basic_app do |app| ActionDispatch::Session::ActiveRecordStore = Class.new(ActionDispatch::Session::CookieStore) app.config.session_store :active_record_store end ensure ActionDispatch::Session.send :remove_const, :ActiveRecordStore end end test "config.session_store with :active_record_store without activerecord-session_store gem" do assert_raise RuntimeError, /activerecord-session_store/ do make_basic_app do |app| app.config.session_store :active_record_store end end end test "config.log_level with custom logger" do make_basic_app do |app| app.config.logger = Logger.new(STDOUT) app.config.log_level = :info end assert_equal Logger::INFO, Rails.logger.level end test "respond_to? accepts include_private" do make_basic_app assert_not Rails.configuration.respond_to?(:method_missing) assert Rails.configuration.respond_to?(:method_missing, true) end test "config.active_record.dump_schema_after_migration is false on production" do build_app ENV["RAILS_ENV"] = "production" require "#{app_path}/config/environment" assert_not ActiveRecord::Base.dump_schema_after_migration end test "config.active_record.dump_schema_after_migration is true by default on development" do ENV["RAILS_ENV"] = "development" require "#{app_path}/config/environment" assert ActiveRecord::Base.dump_schema_after_migration end test "config.annotations wrapping SourceAnnotationExtractor::Annotation class" do make_basic_app do |app| app.config.annotations.register_extensions("coffee") do |tag| /#\s*(#{tag}):?\s*(.*)$/ end end assert_not_nil SourceAnnotationExtractor::Annotation.extensions[/\.(coffee)$/] end test "rake_tasks block works at instance level" do app_file "config/environments/development.rb", <<-RUBY Rails.application.configure do config.ran_block = false rake_tasks do config.ran_block = true end end RUBY require "#{app_path}/config/environment" assert_not Rails.configuration.ran_block require 'rake' require 'rake/testtask' require 'rdoc/task' Rails.application.load_tasks assert Rails.configuration.ran_block end test "generators block works at instance level" do app_file "config/environments/development.rb", <<-RUBY Rails.application.configure do config.ran_block = false generators do config.ran_block = true end end RUBY require "#{app_path}/config/environment" assert_not Rails.configuration.ran_block Rails.application.load_generators assert Rails.configuration.ran_block end test "console block works at instance level" do app_file "config/environments/development.rb", <<-RUBY Rails.application.configure do config.ran_block = false console do config.ran_block = true end end RUBY require "#{app_path}/config/environment" assert_not Rails.configuration.ran_block Rails.application.load_console assert Rails.configuration.ran_block end test "runner block works at instance level" do app_file "config/environments/development.rb", <<-RUBY Rails.application.configure do config.ran_block = false runner do config.ran_block = true end end RUBY require "#{app_path}/config/environment" assert_not Rails.configuration.ran_block Rails.application.load_runner assert Rails.configuration.ran_block end test "loading the first existing database configuration available" do app_file 'config/environments/development.rb', <<-RUBY Rails.application.configure do config.paths.add 'config/database', with: 'config/nonexistant.yml' config.paths['config/database'] << 'config/database.yml' end RUBY require "#{app_path}/config/environment" assert_kind_of Hash, Rails.application.config.database_configuration end test 'config.action_mailer.show_previews defaults to true in development' do Rails.env = "development" require "#{app_path}/config/environment" assert Rails.application.config.action_mailer.show_previews end test 'config.action_mailer.show_previews defaults to false in production' do Rails.env = "production" require "#{app_path}/config/environment" assert_equal false, Rails.application.config.action_mailer.show_previews end test 'config.action_mailer.show_previews can be set in the configuration file' do Rails.env = "production" add_to_config <<-RUBY config.action_mailer.show_previews = true RUBY require "#{app_path}/config/environment" assert_equal true, Rails.application.config.action_mailer.show_previews end test "config_for loads custom configuration from yaml files" do app_file 'config/custom.yml', <<-RUBY development: key: 'custom key' RUBY add_to_config <<-RUBY config.my_custom_config = config_for('custom') RUBY require "#{app_path}/config/environment" assert_equal 'custom key', Rails.application.config.my_custom_config['key'] end test "config_for raises an exception if the file does not exist" do add_to_config <<-RUBY config.my_custom_config = config_for('custom') RUBY exception = assert_raises(RuntimeError) do require "#{app_path}/config/environment" end assert_equal "Could not load configuration. No such file - #{app_path}/config/custom.yml", exception.message end test "config_for without the environment configured returns an empty hash" do app_file 'config/custom.yml', <<-RUBY test: key: 'custom key' RUBY add_to_config <<-RUBY config.my_custom_config = config_for('custom') RUBY require "#{app_path}/config/environment" assert_equal({}, Rails.application.config.my_custom_config) end test "config_for with empty file returns an empty hash" do app_file 'config/custom.yml', <<-RUBY RUBY add_to_config <<-RUBY config.my_custom_config = config_for('custom') RUBY require "#{app_path}/config/environment" assert_equal({}, Rails.application.config.my_custom_config) end test "config_for containing ERB tags should evaluate" do app_file 'config/custom.yml', <<-RUBY development: key: <%= 'custom key' %> RUBY add_to_config <<-RUBY config.my_custom_config = config_for('custom') RUBY require "#{app_path}/config/environment" assert_equal 'custom key', Rails.application.config.my_custom_config['key'] end test "config_for with syntax error show a more descritive exception" do app_file 'config/custom.yml', <<-RUBY development: key: foo: RUBY add_to_config <<-RUBY config.my_custom_config = config_for('custom') RUBY exception = assert_raises(RuntimeError) do require "#{app_path}/config/environment" end assert_match 'YAML syntax error occurred while parsing', exception.message end end end