require 'abstract_unit' class LocalizedController < ActionController::Base def hello_world end end class LocalizedTemplatesTest < ActionController::TestCase tests LocalizedController def setup @i18n_locale = I18n.locale end def teardown I18n.locale = @i18n_locale end def test_localized_template_is_used I18n.locale = :de get :hello_world assert_equal "Gutten Tag", @response.body end def test_default_locale_template_is_used_when_locale_is_missing I18n.locale = :dk get :hello_world assert_equal "Hello World", @response.body end def test_use_fallback_locales I18n.locale = :"de-AT" I18n.backend.class.send(:include, I18n::Backend::Fallbacks) I18n.fallbacks[:"de-AT"] = [:de] get :hello_world assert_equal "Gutten Tag", @response.body end end