fixing tests

app/logical/post_sets/pool.rb

@@ -4,15 +4,11 @@ module PostSets
       attr_accessor :total_pages, :current_page
     end
     
-    attr_reader :pool, :page, :posts
+    attr_reader :pool, :page
     
-    def initialize(pool, page)
+    def initialize(pool, page = 1)
       @pool = pool
       @page = page
-      @posts = pool.posts(:offset => offset, :limit => limit)
-      @posts.extend(ActiveRecordExtension)
-      @posts.total_pages = total_pages
-      @posts.current_page = current_page
     end
     
     def offset
@@ -27,6 +23,16 @@ module PostSets
       ["pool:#{pool.id}"]
     end
     
+    def posts
+      @posts ||= begin
+        x = pool.posts(:offset => offset, :limit => limit)
+        x.extend(ActiveRecordExtension)
+        x.total_pages = total_pages
+        x.current_page = current_page
+        x
+      end
+    end
+    
     def tag_string
       tag_array.join("")
     end