+ assert_response :redirect
+
+ post :subscribe, {:id => diary_entry.id, :display_name => diary_entry.user.display_name}, { :user => users(:public_user).id}
+ assert_difference "diary_entry.subscribers.count", -1 do
+ post :unsubscribe, {:id => diary_entry.id, :display_name => diary_entry.user.display_name}, { :user => users(:public_user).id}
+ end
+ assert_response :redirect