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@@ -189,7 +189,7 @@ module ActionController
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           end
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       end
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-      attr_accessor :routes, :named_routes
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+      attr_accessor :routes, :named_routes, :configuration_file
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       def initialize
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         self.routes = []
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@@ -238,8 +238,8 @@ module ActionController
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       alias reload! load!
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       def reload
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-        if @routes_last_modified && defined?(RAILS_ROOT)
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-          mtime = File.stat("#{RAILS_ROOT}/config/routes.rb").mtime
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+        if @routes_last_modified && configuration_file
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+          mtime = File.stat(configuration_file).mtime
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           # if it hasn't been changed, then just return
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           return if mtime == @routes_last_modified
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           # if it has changed then record the new time and fall to the load! below
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@@ -249,9 +249,9 @@ module ActionController
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       end
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       def load_routes!
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-        if defined?(RAILS_ROOT) && defined?(::ActionController::Routing::Routes) && self == ::ActionController::Routing::Routes
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-          load File.join("#{RAILS_ROOT}/config/routes.rb")
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-          @routes_last_modified = File.stat("#{RAILS_ROOT}/config/routes.rb").mtime
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+        if configuration_file
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+          load configuration_file
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+          @routes_last_modified = File.stat(configuration_file).mtime
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         else
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           add_route ":controller/:action/:id"
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         end

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@@ -2341,11 +2341,13 @@ uses_mocha 'route loading' do
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     def setup
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       routes.instance_variable_set '@routes_last_modified', nil
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       silence_warnings { Object.const_set :RAILS_ROOT, '.' }
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+      ActionController::Routing::Routes.configuration_file = File.join(RAILS_ROOT, 'config', 'routes.rb')
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       @stat = stub_everything
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     end
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     def teardown
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+      ActionController::Routing::Routes.configuration_file = nil
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       Object.send :remove_const, :RAILS_ROOT
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     end
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@@ -2386,6 +2388,14 @@ uses_mocha 'route loading' do
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       Inflector.inflections { |inflect| inflect.uncountable('equipment') }
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     end
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+    
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+    def test_load_with_configuration
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+      routes.configuration_file = "foobarbaz"
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+      File.expects(:stat).returns(@stat)
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+      routes.expects(:load).with("foobarbaz")
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+
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+      routes.reload
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+    end
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     private
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     def routes

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@@ -382,6 +382,7 @@ module Rails
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     def initialize_routing
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       return unless configuration.frameworks.include?(:action_controller)
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       ActionController::Routing.controller_paths = configuration.controller_paths
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+      ActionController::Routing::Routes.configuration_file = configuration.routes_configuration_file
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       ActionController::Routing::Routes.reload
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     end
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@@ -499,6 +500,10 @@ module Rails
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     # The path to the database configuration file to use. (Defaults to
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     # <tt>config/database.yml</tt>.)
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     attr_accessor :database_configuration_file
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+    
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+    # The path to the routes configuration file to use. (Defaults to
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+    # <tt>config/routes.rb</tt>.)
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+    attr_accessor :routes_configuration_file
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     # The list of rails framework components that should be loaded. (Defaults
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     # to <tt>:active_record</tt>, <tt>:action_controller</tt>,
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@@ -631,6 +636,7 @@ module Rails
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       self.plugin_locators              = default_plugin_locators
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       self.plugin_loader                = default_plugin_loader
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       self.database_configuration_file  = default_database_configuration_file
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+      self.routes_configuration_file    = default_routes_configuration_file
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       self.gems                         = default_gems
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       for framework in default_frameworks
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@@ -771,6 +777,10 @@ module Rails
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         File.join(root_path, 'config', 'database.yml')
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       end
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+      def default_routes_configuration_file
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+        File.join(root_path, 'config', 'routes.rb')
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+      end
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+
0
       def default_view_path
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         File.join(root_path, 'app', 'views')
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       end