work on related tag js

test/functional/related_tags_controller_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class RelatedTagsControllerTest < ActionController::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/unit/related_tag_query_test.rb

@@ -24,6 +24,10 @@ class RelatedTagQueryTest < ActiveSupport::TestCase
       should "work" do
         assert_equal(["aaa", "bbb", "ccc"], @query.tags)
       end
+      
+      should "render the json" do
+        assert_equal("{\"query\":\"aaa\",\"category\":\"\",\"tags\":[[\"aaa\",0],[\"bbb\",0],[\"ccc\",0]],\"wiki_page_tags\":[]}", @query.to_json)
+      end
     end
     
     context "for a tag that doesn't exist" do