updated tag unit tests

db/migrate/20100211181944_create_favorites.rb

@@ -0,0 +1,19 @@
+class CreateFavorites < ActiveRecord::Migration
+  def self.up
+    (0..9).each do |number|
+      create_table "favorites_#{number}" do |t|
+        t.column :post_id, :integer
+        t.column :user_id, :integer
+      end
+      
+      add_index "favorites_#{number}", :post_id
+      add_index "favorites_#{number}", :user_id
+    end
+  end
+
+  def self.down
+    (0..9).each do |number|
+      drop_table "favorites_#{number}"
+    end
+  end
+end