Use ab_user instead of session

Author: andrew

lib/split/analytics.rb

@@ -31,9 +31,9 @@ def tracking_code(options={})
     end
 
     def custom_variables
-      return nil if session[:split].nil?
+      return nil if ab_user[:split].nil?
       arr = []
-      session[:split].each_with_index do |h,i|
+      ab_user[:split].each_with_index do |h,i|
         arr << "_gaq.push(['_setCustomVar', #{i+1}, '#{h[0]}', '#{h[1]}', 1]);"
       end
       arr.reverse[0..4].reverse.join("\n")

spec/analytics_spec.rb

@@ -21,8 +21,6 @@
     first_alt = ab_test('link_colour', 'red', 'blue')
     second_alt = ab_test('link_text', 'Join', 'Signup')
 
-    session[:split].should eql({'link_colour' => first_alt,'link_text' => second_alt})
-
     tracking_code = tracking_code(:account => 'UA-12345-6')
     tracking_code.should eql("        <script type=\"text/javascript\">\n          var _gaq = _gaq || [];\n          _gaq.push(['_setAccount', 'UA-12345-6']);\n          _gaq.push(['_setCustomVar', 1, 'link_colour', '#{first_alt}', 1]);\n_gaq.push(['_setCustomVar', 2, 'link_text', '#{second_alt}', 1]);\n\n          (function() {\n            var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;\n            ga.src = ('https:' == document.location.protocol ? 'https://ssl.google-analytics.com/ga.js' : 'http://www.google-analytics.com/ga.js');\n            var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);\n          })();\n        </script>\n")
   end