Merge pull request #122 from e-travel/gettext_plural_keys_access

Access to Gettext.plural_keys

lib/i18n/gettext.rb

@@ -8,11 +8,12 @@ module Gettext
     @@plural_keys = { :en => [:one, :other] }
 
     class << self
-      # returns an array of plural keys for the given locale so that we can
-      # convert from gettext's integer-index based style
+      # returns an array of plural keys for the given locale or the whole hash
+      # of locale mappings to plural keys so that we can convert from gettext's
+      # integer-index based style
       # TODO move this information to the pluralization module
-      def plural_keys(locale)
-        @@plural_keys[locale] || @@plural_keys[:en]
+      def plural_keys(*args)
+        args.empty? ? @@plural_keys : @@plural_keys[args.first] || @@plural_keys[:en]
       end
 
       def extract_scope(msgid, separator)

test/i18n/gettext_plural_keys_test.rb

@@ -0,0 +1,20 @@
+require 'test_helper'
+
+class I18nGettextPluralKeysTest < I18n::TestCase
+  def setup
+    super
+    I18n::Gettext.plural_keys[:zz] = [:value1, :value2]
+  end
+
+  test "Returns the plural keys of the given locale if present" do
+    assert_equal I18n::Gettext.plural_keys(:zz), [:value1, :value2]
+  end
+
+  test "Returns the plural keys of :en if given locale not present" do
+    assert_equal I18n::Gettext.plural_keys(:yy), [:one, :other]
+  end
+
+  test "Returns the whole hash with no arguments" do
+    assert_equal I18n::Gettext.plural_keys, { :en => [:one, :other], :zz => [:value1, :value2] }
+  end
+end