From 8a9c975fc5f58316d9a18b36ea0f773f850252b6 Mon Sep 17 00:00:00 2001
From: Matthew Wilson <matt@labzero.com>
Date: Tue, 18 Sep 2012 17:35:19 -0700
Subject: [PATCH] https://github.com/jnicklas/capybara/issues/819  Memoize the
 values returned by tag_name and [] to speed up remote Selenium jobs

---
 lib/capybara/selenium/node.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/capybara/selenium/node.rb b/lib/capybara/selenium/node.rb
index 866c2b50..3c88b2cf 100644
--- a/lib/capybara/selenium/node.rb
+++ b/lib/capybara/selenium/node.rb
@@ -5,7 +5,8 @@ class Capybara::Selenium::Node < Capybara::Driver::Node
   end
 
   def [](name)
-    native.attribute(name.to_s)
+    @attrs = {}
+    @attrs[name] ||= native.attribute(name.to_s)
   rescue Selenium::WebDriver::Error::WebDriverError
     nil
   end
@@ -50,7 +51,7 @@ class Capybara::Selenium::Node < Capybara::Driver::Node
   end
 
   def tag_name
-    native.tag_name.downcase
+    @tag_name ||= native.tag_name.downcase
   end
 
   def visible?