FIX: ensure consistency on topic featured users

spec/models/topic_featured_users_spec.rb

@@ -0,0 +1,31 @@
+require 'spec_helper'
+
+describe TopicFeaturedUsers do
+  it 'ensures consistenct' do
+
+    t = Fabricate(:topic)
+    Fabricate(:post, topic_id: t.id, user_id: t.user_id)
+    p2 = Fabricate(:post, topic_id: t.id)
+    Fabricate(:post, topic_id: t.id, user_id: p2.user_id)
+    p4 = Fabricate(:post, topic_id: t.id)
+    p5 = Fabricate(:post, topic_id: t.id)
+
+    t.update_columns(featured_user1_id: 66,
+                     featured_user2_id: 70,
+                     featured_user3_id: 12,
+                     featured_user4_id: 7,
+                     last_post_user_id: p5.user_id
+                    )
+
+    TopicFeaturedUsers.ensure_consistency!
+
+    t.reload
+
+    t.featured_user1_id.should == p2.user_id
+    t.featured_user2_id.should == p4.user_id
+    t.featured_user3_id.should == nil
+    t.featured_user4_id.should == nil
+
+
+  end
+end