require "isolation/abstract_unit" module ApplicationTests class I18nTest < ActiveSupport::TestCase include ActiveSupport::Testing::Isolation def setup build_app boot_rails FileUtils.rm_rf "#{app_path}/config/environments" require "rails/all" end def teardown teardown_app end def load_app require "#{app_path}/config/environment" end def app @app ||= Rails.application end def assert_fallbacks(fallbacks) fallbacks.each do |locale, expected| actual = I18n.fallbacks[locale] assert_equal expected, actual, "expected fallbacks for #{locale.inspect} to be #{expected.inspect}, but were #{actual.inspect}" end end def assert_no_fallbacks assert !I18n.backend.class.included_modules.include?(I18n::Backend::Fallbacks) end # Locales test "setting another default locale" do add_to_config <<-RUBY config.i18n.default_locale = :de RUBY load_app assert_equal :de, I18n.default_locale end # Load paths test "no config locales directory present should return empty load path" do FileUtils.rm_rf "#{app_path}/config/locales" load_app assert_equal [], Rails.application.config.i18n.load_path end test "locale files should be added to the load path" do app_file "config/another_locale.yml", "en:\nfoo: ~" add_to_config <<-RUBY config.i18n.load_path << config.root.join("config/another_locale.yml").to_s RUBY load_app assert_equal [ "#{app_path}/config/locales/en.yml", "#{app_path}/config/another_locale.yml" ], Rails.application.config.i18n.load_path assert I18n.load_path.include?("#{app_path}/config/locales/en.yml") assert I18n.load_path.include?("#{app_path}/config/another_locale.yml") end test "load_path is populated before eager loaded models" do add_to_config <<-RUBY config.cache_classes = true RUBY app_file "config/locales/en.yml", <<-YAML en: foo: "1" YAML app_file 'app/models/foo.rb', <<-RUBY class Foo < ActiveRecord::Base @foo = I18n.t(:foo) end RUBY app_file 'config/routes.rb', <<-RUBY Rails.application.routes.draw do get '/i18n', :to => lambda { |env| [200, {}, [Foo.instance_variable_get('@foo')]] } end RUBY require 'rack/test' extend Rack::Test::Methods load_app get "/i18n" assert_equal "1", last_response.body end test "locales are reloaded if they change between requests" do add_to_config <<-RUBY config.cache_classes = false RUBY app_file "config/locales/en.yml", <<-YAML en: foo: "1" YAML app_file 'config/routes.rb', <<-RUBY Rails.application.routes.draw do get '/i18n', :to => lambda { |env| [200, {}, [I18n.t(:foo)]] } end RUBY require 'rack/test' extend Rack::Test::Methods load_app get "/i18n" assert_equal "1", last_response.body # Wait a full second so we have time for changes to propagate sleep(1) app_file "config/locales/en.yml", <<-YAML en: foo: "2" YAML get "/i18n" assert_equal "2", last_response.body end # Fallbacks test "not using config.i18n.fallbacks does not initialize I18n.fallbacks" do I18n.backend = Class.new(I18n::Backend::Simple).new load_app assert_no_fallbacks end test "config.i18n.fallbacks = true initializes I18n.fallbacks with default settings" do I18n::Railtie.config.i18n.fallbacks = true load_app assert I18n.backend.class.included_modules.include?(I18n::Backend::Fallbacks) assert_fallbacks de: [:de, :en] end test "config.i18n.fallbacks = true initializes I18n.fallbacks with default settings even when backend changes" do I18n::Railtie.config.i18n.fallbacks = true I18n::Railtie.config.i18n.backend = Class.new(I18n::Backend::Simple).new load_app assert I18n.backend.class.included_modules.include?(I18n::Backend::Fallbacks) assert_fallbacks de: [:de, :en] end test "config.i18n.fallbacks.defaults = [:'en-US'] initializes fallbacks with en-US as a fallback default" do I18n::Railtie.config.i18n.fallbacks.defaults = [:'en-US'] load_app assert_fallbacks de: [:de, :'en-US', :en] end test "config.i18n.fallbacks.map = { :ca => :'es-ES' } initializes fallbacks with a mapping ca => es-ES" do I18n::Railtie.config.i18n.fallbacks.map = { :ca => :'es-ES' } load_app assert_fallbacks ca: [:ca, :"es-ES", :es, :en] end test "[shortcut] config.i18n.fallbacks = [:'en-US'] initializes fallbacks with en-US as a fallback default" do I18n::Railtie.config.i18n.fallbacks = [:'en-US'] load_app assert_fallbacks de: [:de, :'en-US', :en] end test "[shortcut] config.i18n.fallbacks = [{ :ca => :'es-ES' }] initializes fallbacks with a mapping de-AT => de-DE" do I18n::Railtie.config.i18n.fallbacks.map = { :ca => :'es-ES' } load_app assert_fallbacks ca: [:ca, :"es-ES", :es, :en] end test "[shortcut] config.i18n.fallbacks = [:'en-US', { :ca => :'es-ES' }] initializes fallbacks with the given arguments" do I18n::Railtie.config.i18n.fallbacks = [:'en-US', { :ca => :'es-ES' }] load_app assert_fallbacks ca: [:ca, :"es-ES", :es, :'en-US', :en] end end end