Adding all_extensions method to Language

lib/linguist/language.rb

@@ -427,6 +427,11 @@ module Linguist
     # Returns the extensions Array
     attr_reader :filenames
     
+    # Public: Return all possible extensions for language
+    def all_extensions
+      (extensions + [primary_extension]).uniq
+    end
+
     # Public: Get URL escaped name.
     #
     # Examples

test/test_samples.rb

@@ -39,10 +39,7 @@ class TestSamples < Test::Unit::TestCase
   # If a language extension isn't globally unique then make sure there are samples
   def test_presence
     Linguist::Language.all.each do |language|
-      # TODO - feels like there should be a better way to do this.
-      extensions = [language.primary_extension] + language.extensions
-      
-      extensions.uniq.each do |extension|
+      language.all_extensions.each do |extension|
         language_matches = Language.find_by_filename("foo.#{extension}")
         
         # If there is more than one language match for a given extension