JezK
Edit File: cascade_test.rb
require 'test_helper' class I18nBackendCascadeTest < Test::Unit::TestCase class Backend < I18n::Backend::Simple include I18n::Backend::Cascade end def setup I18n.backend = Backend.new store_translations(:en, :foo => 'foo', :bar => { :baz => 'baz' }) @cascade_options = { :step => 1, :offset => 1, :skip_root => false } end def lookup(key, options = {}) I18n.t(key, options.merge(:cascade => @cascade_options)) end test "still returns an existing translation as usual" do assert_equal 'foo', lookup(:foo) assert_equal 'baz', lookup(:'bar.baz') end test "falls back by cutting keys off the end of the scope" do assert_equal 'foo', lookup(:foo, :scope => :'missing') assert_equal 'foo', lookup(:foo, :scope => :'missing.missing') assert_equal 'baz', lookup(:baz, :scope => :'bar.missing') assert_equal 'baz', lookup(:baz, :scope => :'bar.missing.missing') end test "raises I18n::MissingTranslationData exception when no translation was found" do assert_raise(I18n::MissingTranslationData) { lookup(:'foo.missing', :raise => true) } assert_raise(I18n::MissingTranslationData) { lookup(:'bar.baz.missing', :raise => true) } assert_raise(I18n::MissingTranslationData) { lookup(:'missing.bar.baz', :raise => true) } end test "cascades before evaluating the default" do assert_equal 'foo', lookup(:foo, :scope => :missing, :default => 'default') end test "cascades defaults, too" do assert_equal 'foo', lookup(nil, :default => [:'missing.missing', :'missing.foo']) end test "works with :offset => 2 and a single key" do @cascade_options[:offset] = 2 lookup(:foo) end test "assemble required fallbacks for ActiveRecord validation messages" do store_translations(:en, :errors => { :odd => 'errors.odd', :reply => { :title => { :blank => 'errors.reply.title.blank' }, :taken => 'errors.reply.taken' }, :topic => { :title => { :format => 'errors.topic.title.format' }, :length => 'errors.topic.length' } } ) assert_equal 'errors.reply.title.blank', lookup(:'errors.reply.title.blank', :default => :'errors.topic.title.blank') assert_equal 'errors.reply.taken', lookup(:'errors.reply.title.taken', :default => :'errors.topic.title.taken') assert_equal 'errors.topic.title.format', lookup(:'errors.reply.title.format', :default => :'errors.topic.title.format') assert_equal 'errors.topic.length', lookup(:'errors.reply.title.length', :default => :'errors.topic.title.length') assert_equal 'errors.odd', lookup(:'errors.reply.title.odd', :default => :'errors.topic.title.odd') end test "assemble action view translation helper lookup cascade" do @cascade_options[:offset] = 2 store_translations(:en, :menu => { :show => 'menu.show' }, :namespace => { :menu => { :new => 'namespace.menu.new' }, :controller => { :menu => { :edit => 'namespace.controller.menu.edit' }, :action => { :menu => { :destroy => 'namespace.controller.action.menu.destroy' } } } } ) assert_equal 'menu.show', lookup(:'namespace.controller.action.menu.show') assert_equal 'namespace.menu.new', lookup(:'namespace.controller.action.menu.new') assert_equal 'namespace.controller.menu.edit', lookup(:'namespace.controller.action.menu.edit') assert_equal 'namespace.controller.action.menu.destroy', lookup(:'namespace.controller.action.menu.destroy') end end