VRFS-3316 : Review summary uniqueness validation and spec.

ruby/lib/jam_ruby/models/review_summary.rb

@@ -2,11 +2,11 @@ module JamRuby
   class ReviewSummary < ActiveRecord::Base
     attr_accessible :target, :target_type, :avg_rating, :wilson_score, :review_count
     belongs_to :target, polymorphic: true
-    belongs_to :user, foreign_key: 'user_id', class_name: "JamRuby::User"
-    
+
     validates :avg_rating, presence:true, numericality: true
     validates :review_count, presence:true, numericality: {only_integer: true}
     validates :wilson_score, presence:true, numericality: {greater_than:0, less_than:1}
     validates :target, presence:true
+    validates :target_id, uniqueness:true
   end
 end

ruby/spec/jam_ruby/models/review_spec.rb

@@ -83,6 +83,14 @@ describe Review do
         puts "complete:: #{review_summary.errors.inspect}"
         review_summary.valid?.should be_true
       end
+
+      it "unique" do
+        review = ReviewSummary.create(target:target, avg_rating:3, wilson_score:0.82, review_count:14)
+        review.valid?.should be_true
+
+        review2 = ReviewSummary.create(target:target, avg_rating:3.22, wilson_score:0.91, review_count:12)
+        review2.valid?.should be_false
+      end
     end
   end