fix tests, implement limits for favorites

app/models/post.rb

@@ -782,7 +782,6 @@ class Post < ActiveRecord::Base
         update_parent_on_destroy
         # decrement_tag_post_counts
         update_column(:parent_id, nil)
-        Post.expire_cache_for_all(tag_array)
         
         unless options[:without_mod_action]
           ModAction.create(:description => "deleted post ##{id}")

app/models/user.rb

@@ -461,15 +461,13 @@ class User < ActiveRecord::Base
     end
     
     def favorite_limit
-      return nil
-      
-      # if is_privileged?
-      #   20_000
-      # elsif is_platinum?
-      #   nil
-      # else
-      #   4_000
-      # end
+      if is_privileged?
+        20_000
+      elsif is_platinum?
+        nil
+      else
+        4_000
+      end
     end
   end
   

test/unit/post_test.rb

@@ -61,8 +61,8 @@ class PostTest < ActiveSupport::TestCase
         assert_equal(1, Post.fast_count)
         assert_equal(1, Post.fast_count("aaa"))
         post.delete!
-        assert_equal(0, Post.fast_count)
-        assert_equal(0, Post.fast_count("aaa"))
+        assert_equal(1, Post.fast_count)
+        assert_equal(1, Post.fast_count("aaa"))
       end
       
       should "toggle the is_deleted flag" do
@@ -72,11 +72,11 @@ class PostTest < ActiveSupport::TestCase
         assert_equal(true, post.is_deleted?)
       end
       
-      should "decrement the tag counts" do
+      should "not decrement the tag counts" do
         post = FactoryGirl.create(:post, :tag_string => "aaa")
         assert_equal(1, Tag.find_by_name("aaa").post_count)
         post.delete!
-        assert_equal(0, Tag.find_by_name("aaa").post_count)
+        assert_equal(1, Tag.find_by_name("aaa").post_count)
       end
     end
   end