#1866: Support dA urls without artist name in them

app/models/post.rb

@@ -304,6 +304,9 @@ class Post < ActiveRecord::Base
       when %r{\Ahttp://(?:fc|th)\d{2}\.deviantart\.net/.+/[a-z0-9_]+_by_([a-z0-9_]+)-d([a-z0-9]+)\.}i
         "http://#{$1}.deviantart.com/gallery/#/d#{$2}"
 
+      when %r{\Ahttp://(?:fc|th)\d{2}\.deviantart\.net/.+/[a-f0-9]+-d([a-z0-9]+)\.}i
+        "http://deviantart.com/gallery/#/d#{$1}"
+
       when %r{\Ahttp://www\.karabako\.net/images(?:ub)?/karabako_(\d+)(?:_\d+)?\.}i
         "http://www.karabako.net/post/view/#{$1}"
 

test/unit/post_test.rb

@@ -836,6 +836,8 @@ class PostTest < ActiveSupport::TestCase
         should "normalize deviantart links" do
           @post.source = "http://fc06.deviantart.net/fs71/f/2013/295/d/7/you_are_already_dead__by_mar11co-d6rgm0e.jpg"
           assert_equal("http://mar11co.deviantart.com/gallery/#/d6rgm0e", @post.normalized_source)
+          @post.source = "http://fc00.deviantart.net/fs71/f/2013/337/3/5/35081351f62b432f84eaeddeb4693caf-d6wlrqs.jpg"
+          assert_equal("http://deviantart.com/gallery/#/d6wlrqs", @post.normalized_source)
         end
 
         should "normalize karabako links" do