JezK
Edit File: chain_test.rb
require 'test_helper' class I18nBackendChainTest < Test::Unit::TestCase def setup @first = backend(:en => { :foo => 'Foo', :formats => { :short => 'short' }, :plural_1 => { :one => '%{count}' } }) @second = backend(:en => { :bar => 'Bar', :formats => { :long => 'long' }, :plural_2 => { :one => 'one' } }) @chain = I18n.backend = I18n::Backend::Chain.new(@first, @second) end test "looks up translations from the first chained backend" do assert_equal 'Foo', @first.send(:translations)[:en][:foo] assert_equal 'Foo', I18n.t(:foo) end test "looks up translations from the second chained backend" do assert_equal 'Bar', @second.send(:translations)[:en][:bar] assert_equal 'Bar', I18n.t(:bar) end test "defaults only apply to lookups on the last backend in the chain" do assert_equal 'Foo', I18n.t(:foo, :default => 'Bah') assert_equal 'Bar', I18n.t(:bar, :default => 'Bah') assert_equal 'Bah', I18n.t(:bah, :default => 'Bah') # default kicks in only here end test "default" do assert_equal 'Fuh', I18n.t(:default => 'Fuh') assert_equal 'Zero', I18n.t(:default => { :zero => 'Zero' }, :count => 0) assert_equal({ :zero => 'Zero' }, I18n.t(:default => { :zero => 'Zero' })) assert_equal 'Foo', I18n.t(:default => :foo) end test 'default is returned if translation is missing' do assert_equal({}, I18n.t(:'i18n.transliterate.rule', :locale => 'en', :default => {})) end test "namespace lookup collects results from all backends" do assert_equal({ :short => 'short', :long => 'long' }, I18n.t(:formats)) end test "namespace lookup with only the first backend returning a result" do assert_equal({ :one => '%{count}' }, I18n.t(:plural_1)) end test "pluralization still works" do assert_equal '1', I18n.t(:plural_1, :count => 1) assert_equal 'one', I18n.t(:plural_2, :count => 1) end test "bulk lookup collects results from all backends" do assert_equal ['Foo', 'Bar'], I18n.t([:foo, :bar]) assert_equal ['Foo', 'Bar', 'Bah'], I18n.t([:foo, :bar, :bah], :default => 'Bah') assert_equal [{ :short => 'short', :long => 'long' }, { :one => 'one' }, 'Bah'], I18n.t([:formats, :plural_2, :bah], :default => 'Bah') end protected def backend(translations) backend = I18n::Backend::Simple.new translations.each { |locale, data| backend.store_translations(locale, data) } backend end end