diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index bd210b5..b14e0fc 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,32 +1,34 @@
-begin
-  require File.dirname(__FILE__) + '/../../../../spec/spec_helper'
-#rescue LoadError
-#  puts "You need to install RSpec in your base app. Add 'rspec-rails' to your Gemfile."
-#  exit
-end
+require 'action_controller/railtie'
+require 'active_support/core_ext/hash/slice'
+require 'rspec'
+require 'subdomain-fu'
+
+Rails.env = 'test'
 
-plugin_spec_dir = File.dirname(__FILE__)
-ActiveRecord::Base.logger = Logger.new(plugin_spec_dir + "/debug.log")
+module SubdomainFu
+  class TestApplication < Rails::Application
+  end
+end
 
-Rails3::Application.routes.draw do |map|
-  map.needs_subdomain '/needs_subdomain', :controller => "fu", :action => "awesome"
-  map.no_subdomain '/no_subdomain', :controller => "fu", :action => "lame"
-  map.needs_awesome '/needs_awesome', :controller => "fu", :action => "lame"
+SubdomainFu::TestApplication.routes.draw do
+  match '/needs_subdomain' => "fu#awesome", :as => 'needs_subdomain'
+  match '/no_subdomain' => "fu#lame", :as => 'no_subdomain'
+  match '/needs_awesome' => "fu#lame", :as => 'needs_awesome'
 
-  map.resources :foos do |fu|
-    fu.resources :bars
+  resources :foos do
+    resources :bars
   end
 
-  map.connect '/', :controller => "site", :action => "home", :conditions => {:subdomain => false}
-  map.connect '/', :controller => "app", :action => "home", :conditions => {:subdomain => true}
-  map.connect '/', :controller => "mobile", :action => "home", :conditions => {:subdomain => "m"}
+  match '/' => "site#home", :constraints => { :subdomain => '' }
+  #match '/' => "app#home", :constraints => { :subdomain => true }
+  match '/' => "mobile#home", :constraints => { :subdomain => "m" }
 
-  map.connect '/subdomain_here', :controller => "app", :action => "success", :conditions => {:subdomain => true}
-  map.connect '/no_subdomain_here', :controller => "site", :action => "success", :conditions => {:subdomain => false}
-  map.connect '/m_subdomain_here', :controller => "mobile", :action => "success", :conditions => {:subdomain => "m"}
-  map.connect '/numbers_only_here', :controller => "numbers", :action => "success", :conditions => {:subdomain => /[0-9]+/}
+  #match '/subdomain_here' => "app#success", :constraints => { :subdomain => true }
+  match '/no_subdomain_here' => "site#success", :constraints => { :subdomain => '' }
+  match '/m_subdomain_here' => "mobile#success", :constraints => { :subdomain => "m" }
+  match '/numbers_only_here' => "numbers#success", :constraints => { :subdomain => /[0-9]+/ }
 
-  map.connect '/:controller/:action/:id'
+  match ':controller(/:action(/:id(.:format)))'
 end
 
 class Paramed
@@ -39,4 +41,4 @@ def to_param
   end
 end
 
-include ActionController::UrlWriter
+include Rails.application.routes.url_helpers
\ No newline at end of file
diff --git a/spec/subdomain_fu_spec.rb b/spec/subdomain_fu_spec.rb
index 3df42fe..1b73817 100644
--- a/spec/subdomain_fu_spec.rb
+++ b/spec/subdomain_fu_spec.rb
@@ -2,32 +2,32 @@
 
 describe "SubdomainFu" do
   before do
-    SubdomainFu.tld_sizes = SubdomainFu::DEFAULT_TLD_SIZES.dup
-    SubdomainFu.mirrors = SubdomainFu::DEFAULT_MIRRORS.dup
-    SubdomainFu.preferred_mirror = nil
+    SubdomainFu.config.tld_sizes = SubdomainFu::Configuration.defaults[:tld_sizes].dup
+    SubdomainFu.config.mirrors = SubdomainFu::Configuration.defaults[:mirrors].dup
+    SubdomainFu.config.preferred_mirror = nil
   end
 
   describe "TLD Sizes" do
     before do
-      SubdomainFu.tld_sizes = SubdomainFu::DEFAULT_TLD_SIZES.dup
+      SubdomainFu.config.tld_sizes = SubdomainFu::Configuration.defaults[:tld_sizes].dup
     end
 
-    it { SubdomainFu.tld_sizes.should be_kind_of(Hash) }
+    it { SubdomainFu.config.tld_sizes.should be_kind_of(Hash) }
 
     it "should have default values for development, test, and production" do
-      SubdomainFu.tld_sizes[:development].should == 0
-      SubdomainFu.tld_sizes[:test].should        == 0
-      SubdomainFu.tld_sizes[:production].should  == 1
+      SubdomainFu.config.tld_sizes[:development].should == 0
+      SubdomainFu.config.tld_sizes[:test].should        == 0
+      SubdomainFu.config.tld_sizes[:production].should  == 1
     end
 
     it "#tld_size should be for the current environment" do
-      SubdomainFu.tld_size.should == SubdomainFu.tld_sizes[RAILS_ENV.to_sym]
+      SubdomainFu.config.tld_size.should == SubdomainFu.config.tld_sizes[Rails.env.to_sym]
     end
 
     it "should be able to be set for the current environment" do
-      SubdomainFu.tld_size = 5
-      SubdomainFu.tld_size.should == 5
-      SubdomainFu.tld_sizes[:test].should == 5
+      SubdomainFu.config.tld_size = 5
+      SubdomainFu.config.tld_size.should == 5
+      SubdomainFu.config.tld_sizes[:test].should == 5
     end
   end
 
@@ -37,7 +37,7 @@
     end
 
     it "should be false for mirrored subdomains" do
-      SubdomainFu.has_subdomain?(SubdomainFu.mirrors.first).should be_false
+      SubdomainFu.has_subdomain?(SubdomainFu.config.mirrors.first).should be_false
     end
 
     it "shoud be false for a nil or blank subdomain" do
@@ -50,11 +50,11 @@
   describe "#subdomain_from" do
     it "should return the subdomain based on the TLD of the current environment" do
       SubdomainFu.subdomain_from("awesome.localhost").should == "awesome"
-      SubdomainFu.tld_size = 2
+      SubdomainFu.config.tld_size = 2
       SubdomainFu.subdomain_from("awesome.localhost.co.uk").should == "awesome"
-      SubdomainFu.tld_size = 1
+      SubdomainFu.config.tld_size = 1
       SubdomainFu.subdomain_from("awesome.localhost.com").should == "awesome"
-      SubdomainFu.tld_size = 0
+      SubdomainFu.config.tld_size = 0
     end
 
     it "should join deep subdomains with a period" do
@@ -75,7 +75,7 @@
   describe "#preferred_mirror?" do
     describe "when preferred_mirror is false" do
       before do
-        SubdomainFu.preferred_mirror = false
+        SubdomainFu.config.preferred_mirror = false
       end
 
       it "should return true for false" do
@@ -98,7 +98,7 @@
     end
 
     it "should not change the subdomain for a host the same or smaller than the tld size" do
-      SubdomainFu.tld_size = 1
+      SubdomainFu.config.tld_size = 1
       SubdomainFu.rewrite_host_for_subdomains("cool","localhost").should == "localhost"
     end
 
@@ -116,7 +116,7 @@
 
     describe "when preferred_mirror is false" do
       before do
-        SubdomainFu.preferred_mirror = false
+        SubdomainFu.config.preferred_mirror = false
       end
 
       it "should remove the subdomain if passed false when it is a mirror" do
@@ -219,7 +219,7 @@
 
     describe "when preferred_mirror is false" do
       before do
-        SubdomainFu.preferred_mirror = false
+        SubdomainFu.config.preferred_mirror = false
       end
 
       it { SubdomainFu.needs_rewrite?("www","www.localhost").should be_false }
@@ -236,7 +236,7 @@
 
     describe "when preferred_mirror is string" do
       before do
-        SubdomainFu.preferred_mirror = "www"
+        SubdomainFu.config.preferred_mirror = "www"
       end
 
       it { SubdomainFu.needs_rewrite?("www","www.localhost").should be_false }
diff --git a/spec/url_rewriter_spec.rb b/spec/url_rewriter_spec.rb
index f35820f..d67321e 100644
--- a/spec/url_rewriter_spec.rb
+++ b/spec/url_rewriter_spec.rb
@@ -2,10 +2,10 @@
 
 describe "SubdomainFu URL Writing" do
   before do
-    SubdomainFu.tld_size = 1
-    SubdomainFu.mirrors = SubdomainFu::DEFAULT_MIRRORS.dup
-    SubdomainFu.override_only_path = true
-    SubdomainFu.preferred_mirror = nil
+    SubdomainFu.config.tld_size = 1
+    SubdomainFu.config.mirrors = SubdomainFu::Configuration.defaults[:mirrors].dup
+    SubdomainFu.config.override_only_path = true
+    SubdomainFu.config.preferred_mirror = nil
     default_url_options[:host] = "example.com"
   end
 
@@ -23,12 +23,12 @@
     end
 
     it "should should not force the full url with :only_path if override_only_path is false (default)" do
-      SubdomainFu.override_only_path = false
+      SubdomainFu.config.override_only_path = false
       url_for(:controller => "something", :action => "other", :subdomain => "awesome", :only_path => true).should == "/something/other"
     end
 
     it "should should force the full url, even with :only_path if override_only_path is true" do
-      SubdomainFu.override_only_path = true
+      SubdomainFu.config.override_only_path = true
       url_for(:controller => "something", :action => "other", :subdomain => "awesome", :only_path => true).should == "http://awesome.example.com/something/other"
     end
   end
@@ -112,8 +112,8 @@
 
   describe "Preferred Mirror" do
     before do
-      SubdomainFu.preferred_mirror = "www"
-      SubdomainFu.override_only_path = true
+      SubdomainFu.config.preferred_mirror = "www"
+      SubdomainFu.config.override_only_path = true
     end
 
     it "should switch to the preferred mirror instead of no subdomain" do
@@ -132,18 +132,18 @@
     end
 
     it "should force a switch to no subdomain on a mirror if preferred_mirror is false" do
-      SubdomainFu.preferred_mirror = false
+      SubdomainFu.config.preferred_mirror = false
       default_url_options[:host] = "www.example.com"
       needs_subdomain_url(:subdomain => false).should == "http://example.com/needs_subdomain"
     end
 
     after do
-      SubdomainFu.preferred_mirror = nil
+      SubdomainFu.config.preferred_mirror = nil
     end
   end
 
   after do
-    SubdomainFu.tld_size = 0
+    SubdomainFu.config.tld_size = 0
     default_url_options[:host] = "localhost"
   end
 end