routing_test.rb

require File.dirname(__FILE__) + '/../abstract_unit'
require 'test/unit'
require 'stringio'

RunTimeTests = ARGV.include? 'time'

module ActionController::CodeGeneration

class SourceTests < Test::Unit::TestCase
  attr_accessor :source
  def setup
    @source = Source.new
  end
  
  def test_initial_state
    assert_equal [], source.lines
    assert_equal 0, source.indentation_level
  end
  
  def test_trivial_operations
    source << "puts 'Hello World'"
    assert_equal ["puts 'Hello World'"], source.lines
    assert_equal "puts 'Hello World'", source.to_s
    
    source.line "puts 'Goodbye World'"
    assert_equal ["puts 'Hello World'", "puts 'Goodbye World'"], source.lines
    assert_equal "puts 'Hello World'\nputs 'Goodbye World'", source.to_s
  end

  def test_indentation
    source << "x = gets.to_i"
    source << 'if x.odd?'
    source.indent { source << "puts 'x is odd!'" }
    source << 'else'
    source.indent { source << "puts 'x is even!'" }
    source << 'end'
    
    assert_equal ["x = gets.to_i", "if x.odd?", "  puts 'x is odd!'", 'else', "  puts 'x is even!'", 'end'], source.lines
    
    text = "x = gets.to_i
if x.odd?
  puts 'x is odd!'
else
  puts 'x is even!'
end"

    assert_equal text, source.to_s
  end 
end

class CodeGeneratorTests < Test::Unit::TestCase
  attr_accessor :generator
  def setup
    @generator = CodeGenerator.new
  end

  def test_initial_state
    assert_equal [], generator.source.lines
    assert_equal [], generator.locals
  end
    
  def test_trivial_operations
    ["puts 'Hello World'", "puts 'Goodbye World'"].each {|l| generator << l} 
    assert_equal ["puts 'Hello World'", "puts 'Goodbye World'"], generator.source.lines
    assert_equal "puts 'Hello World'\nputs 'Goodbye World'", generator.to_s
  end
  
  def test_if
    generator << "x = gets.to_i"
    generator.if("x.odd?") { generator << "puts 'x is odd!'" }
    
    assert_equal "x = gets.to_i\nif x.odd?\n  puts 'x is odd!'\nend", generator.to_s
  end
  
  def test_else
    test_if
    generator.else { generator << "puts 'x is even!'" }
    
    assert_equal "x = gets.to_i\nif x.odd?\n  puts 'x is odd!'\nelse \n  puts 'x is even!'\nend", generator.to_s
  end

  def test_dup
    generator << 'x = 2'
    generator.locals << :x
    
    g = generator.dup
    assert_equal generator.source, g.source
    assert_equal generator.locals, g.locals
    
    g << 'y = 3'
    g.locals << :y
    assert_equal [:x, :y], g.locals # Make sure they don't share the same array.
    assert_equal [:x], generator.locals
  end
end 

# XXX Extract to test/controller/fake_controllers.rb 
module Object::Controllers
  def self.const_available?(*args)
    const_defined?(*args)
  end
  
  class ContentController
  end
  module Admin
    def self.const_available?(*args)
      const_defined?(*args)
    end
    
    class UserController
    end
  end
end


class RecognitionTests < Test::Unit::TestCase
  attr_accessor :generator
  alias :g :generator
  def setup
    @generator = RecognitionGenerator.new
  end

  def go(components)
    g.current = components.first
    g.after = components[1..-1] || []
    g.go
  end
  
  def execute(path, show = false)
    path = path.split('/') if path.is_a? String
    source = "index, path = 0, #{path.inspect}\n#{g.to_s}"
    puts source if show
    r = eval source
    r ? r.symbolize_keys : nil
  end
  
  Static = ::ActionController::Routing::StaticComponent
  Dynamic = ::ActionController::Routing::DynamicComponent
  Path = ::ActionController::Routing::PathComponent
  Controller = ::ActionController::Routing::ControllerComponent
  
  def test_all_static
    c = %w(hello world how are you).collect {|str| Static.new(str)}
    
    g.result :controller, "::Controllers::ContentController", true
    g.constant_result :action, 'index' 
    
    go c
    
    assert_nil execute('x')
    assert_nil execute('hello/world/how')
    assert_nil execute('hello/world/how/are')
    assert_nil execute('hello/world/how/are/you/today')
    assert_equal({:controller => ::Controllers::ContentController, :action => 'index'}, execute('hello/world/how/are/you'))
  end

  def test_basic_dynamic
    c = [Static.new("hi"), Dynamic.new(:action)]
    g.result :controller, "::Controllers::ContentController", true
    go c
    
    assert_nil execute('boo')
    assert_nil execute('boo/blah')
    assert_nil execute('hi')
    assert_nil execute('hi/dude/what')
    assert_equal({:controller => ::Controllers::ContentController, :action => 'dude'}, execute('hi/dude'))
  end 

  def test_dynamic_with_default
    c = [Static.new("hi"), Dynamic.new(:action, :default => 'index')]
    g.result :controller, "::Controllers::ContentController", true
    go c
    
    assert_nil execute('boo')
    assert_nil execute('boo/blah')
    assert_nil execute('hi/dude/what')
    assert_equal({:controller => ::Controllers::ContentController, :action => 'index'}, execute('hi'))
    assert_equal({:controller => ::Controllers::ContentController, :action => 'index'}, execute('hi/index'))
    assert_equal({:controller => ::Controllers::ContentController, :action => 'dude'}, execute('hi/dude'))
  end 

  def test_dynamic_with_string_condition
    c = [Static.new("hi"), Dynamic.new(:action, :condition => 'index')]
    g.result :controller, "::Controllers::ContentController", true
    go c
    
    assert_nil execute('boo')
    assert_nil execute('boo/blah')
    assert_nil execute('hi')
    assert_nil execute('hi/dude/what')
    assert_equal({:controller => ::Controllers::ContentController, :action => 'index'}, execute('hi/index'))
    assert_nil execute('hi/dude')
  end
  
  def test_dynamic_with_regexp_condition
    c = [Static.new("hi"), Dynamic.new(:action, :condition => /^[a-z]+$/)]
    g.result :controller, "::Controllers::ContentController", true
    go c
    
    assert_nil execute('boo')
    assert_nil execute('boo/blah')
    assert_nil execute('hi')
    assert_nil execute('hi/FOXY')
    assert_nil execute('hi/138708jkhdf')
    assert_nil execute('hi/dkjfl8792343dfsf')
    assert_nil execute('hi/dude/what')
    assert_equal({:controller => ::Controllers::ContentController, :action => 'index'}, execute('hi/index'))
    assert_equal({:controller => ::Controllers::ContentController, :action => 'dude'}, execute('hi/dude'))
  end 
  
  def test_dynamic_with_regexp_and_default
    c = [Static.new("hi"), Dynamic.new(:action, :condition => /^[a-z]+$/, :default => 'index')]
    g.result :controller, "::Controllers::ContentController", true
    go c
    
    assert_nil execute('boo')
    assert_nil execute('boo/blah')
    assert_nil execute('hi/FOXY')
    assert_nil execute('hi/138708jkhdf')
    assert_nil execute('hi/dkjfl8792343dfsf')
    assert_equal({:controller => ::Controllers::ContentController, :action => 'index'}, execute('hi'))
    assert_equal({:controller => ::Controllers::ContentController, :action => 'index'}, execute('hi/index'))
    assert_equal({:controller => ::Controllers::ContentController, :action => 'dude'}, execute('hi/dude'))
    assert_nil execute('hi/dude/what')
  end

  def test_path
    c = [Static.new("hi"), Path.new(:file)]
    g.result :controller, "::Controllers::ContentController", true
    g.constant_result :action, "download"
    
    go c
    
    assert_nil execute('boo')
    assert_nil execute('boo/blah')
    assert_equal({:controller => ::Controllers::ContentController, :action => 'download', :file => []}, execute('hi'))
    assert_equal({:controller => ::Controllers::ContentController, :action => 'download', :file => %w(books agile_rails_dev.pdf)},
                 execute('hi/books/agile_rails_dev.pdf'))
    assert_equal({:controller => ::Controllers::ContentController, :action => 'download', :file => ['dude']}, execute('hi/dude'))
    assert_equal 'dude/what', execute('hi/dude/what')[:file].to_s
  end
  
  def test_controller
    c = [Static.new("hi"), Controller.new(:controller)]
    g.constant_result :action, "hi"
    
    go c
    
    assert_nil execute('boo')
    assert_nil execute('boo/blah')
    assert_nil execute('hi/x')
    assert_nil execute('hi/13870948')
    assert_nil execute('hi/content/dog')
    assert_nil execute('hi/admin/user/foo')
    assert_equal({:controller => ::Controllers::ContentController, :action => 'hi'}, execute('hi/content'))
    assert_equal({:controller => ::Controllers::Admin::UserController, :action => 'hi'}, execute('hi/admin/user'))
  end
  
  def test_standard_route(time = ::RunTimeTests)
    c = [Controller.new(:controller), Dynamic.new(:action, :default => 'index'), Dynamic.new(:id, :default => nil)]
    go c
    
    # Make sure we get the right answers
    assert_equal({:controller => ::Controllers::ContentController, :action => 'index'}, execute('content'))
    assert_equal({:controller => ::Controllers::ContentController, :action => 'list'}, execute('content/list'))
    assert_equal({:controller => ::Controllers::ContentController, :action => 'show', :id => '10'}, execute('content/show/10'))
    
    assert_equal({:controller => ::Controllers::Admin::UserController, :action => 'index'}, execute('admin/user'))
    assert_equal({:controller => ::Controllers::Admin::UserController, :action => 'list'}, execute('admin/user/list'))
    assert_equal({:controller => ::Controllers::Admin::UserController, :action => 'show', :id => 'nseckar'}, execute('admin/user/show/nseckar'))
    
    assert_nil execute('content/show/10/20')
    assert_nil execute('food')

    if time
      source = "def self.execute(path)
        path = path.split('/') if path.is_a? String
        index = 0
        r = #{g.to_s}
      end"
      eval(source)

      GC.start
      n = 1000
      time = Benchmark.realtime do n.times {
        execute('content')
        execute('content/list')
        execute('content/show/10')
        
        execute('admin/user')
        execute('admin/user/list')
        execute('admin/user/show/nseckar')
        
        execute('admin/user/show/nseckar/dude')
        execute('admin/why/show/nseckar')
        execute('content/show/10/20')
        execute('food')
      } end
      time -= Benchmark.realtime do n.times { } end
    
      
      puts "\n\nRecognition:"
      per_url = time / (n * 10)
    
      puts "#{per_url * 1000} ms/url"
      puts "#{1 / per_url} urls/s\n\n"
    end
  end

  def test_default_route
    g.result :controller, "::Controllers::ContentController", true
    g.constant_result :action, 'index' 
    
    go []
    
    assert_nil execute('x')
    assert_nil execute('hello/world/how')
    assert_nil execute('hello/world/how/are')
    assert_nil execute('hello/world/how/are/you/today')
    assert_equal({:controller => ::Controllers::ContentController, :action => 'index'}, execute([]))
  end
end

class GenerationTests < Test::Unit::TestCase
  attr_accessor :generator
  alias :g :generator
  def setup
    @generator = GenerationGenerator.new # ha!
  end
  
  def go(components)
    g.current = components.first
    g.after = components[1..-1] || []
    g.go
  end
  
  def execute(options, recall, show = false)
    source = "\n
expire_on = ::ActionController::Routing.expiry_hash(options, recall)
hash = merged = recall.merge(options)
not_expired = true

#{g.to_s}\n\n"
    puts source if show
    eval(source)
  end
  
  Static = ::ActionController::Routing::StaticComponent
  Dynamic = ::ActionController::Routing::DynamicComponent
  Path = ::ActionController::Routing::PathComponent
  Controller = ::ActionController::Routing::ControllerComponent
  
  def test_all_static_no_requirements
    c = [Static.new("hello"), Static.new("world")]
    go c
    
    assert_equal "hello/world", execute({}, {})
  end
  
  def test_basic_dynamic
    c = [Static.new("hi"), Dynamic.new(:action)]
    go c
    
    assert_equal 'hi/index', execute({:action => 'index'}, {:action => 'index'})
    assert_equal 'hi/show', execute({:action => 'show'}, {:action => 'index'})
    assert_equal 'hi/list+people', execute({}, {:action => 'list people'})
    assert_nil execute({},{})
  end
  
  def test_dynamic_with_default
    c = [Static.new("hi"), Dynamic.new(:action, :default => 'index')]
    go c
    
    assert_equal 'hi', execute({:action => 'index'}, {:action => 'index'})
    assert_equal 'hi/show', execute({:action => 'show'}, {:action => 'index'})
    assert_equal 'hi/list+people', execute({}, {:action => 'list people'})
    assert_equal 'hi', execute({}, {})
  end
  
  def test_dynamic_with_regexp_condition
    c = [Static.new("hi"), Dynamic.new(:action, :condition => /^[a-z]+$/)]
    go c
    
    assert_equal 'hi/index', execute({:action => 'index'}, {:action => 'index'})
    assert_nil execute({:action => 'fox5'}, {:action => 'index'})
    assert_nil execute({:action => 'something_is_up'}, {:action => 'index'})
    assert_nil execute({}, {:action => 'list people'})
    assert_equal 'hi/abunchofcharacter', execute({:action => 'abunchofcharacter'}, {})
    assert_nil execute({}, {})
  end
  
  def test_dynamic_with_default_and_regexp_condition
    c = [Static.new("hi"), Dynamic.new(:action, :default => 'index', :condition => /^[a-z]+$/)]
    go c
    
    assert_equal 'hi', execute({:action => 'index'}, {:action => 'index'})
    assert_nil execute({:action => 'fox5'}, {:action => 'index'})
    assert_nil execute({:action => 'something_is_up'}, {:action => 'index'})
    assert_nil execute({}, {:action => 'list people'})
    assert_equal 'hi/abunchofcharacter', execute({:action => 'abunchofcharacter'}, {})
    assert_equal 'hi', execute({}, {})
  end

  def test_path
    c = [Static.new("hi"), Path.new(:file)]
    go c
    
    assert_equal 'hi', execute({:file => []}, {})
    assert_equal 'hi/books/agile_rails_dev.pdf', execute({:file => %w(books agile_rails_dev.pdf)}, {})
    assert_equal 'hi/books/development%26whatever/agile_rails_dev.pdf', execute({:file => %w(books development&whatever agile_rails_dev.pdf)}, {})
    
    assert_equal 'hi', execute({:file => ''}, {})
    assert_equal 'hi/books/agile_rails_dev.pdf', execute({:file => 'books/agile_rails_dev.pdf'}, {})
    assert_equal 'hi/books/development%26whatever/agile_rails_dev.pdf', execute({:file => 'books/development&whatever/agile_rails_dev.pdf'}, {})
  end
  
  def test_controller
    c = [Static.new("hi"), Controller.new(:controller)]
    go c
    
    assert_nil execute({}, {})
    assert_equal 'hi/content', execute({:controller => 'content'}, {})
    assert_equal 'hi/admin/user', execute({:controller => 'admin/user'}, {})
    assert_equal 'hi/content', execute({}, {:controller => 'content'}) 
    assert_equal 'hi/admin/user', execute({}, {:controller => 'admin/user'})
  end
  
  def test_standard_route(time = ::RunTimeTests)
    c = [Controller.new(:controller), Dynamic.new(:action, :default => 'index'), Dynamic.new(:id, :default => nil)]
    go c
    
    # Make sure we get the right answers
    assert_equal('content', execute({:action => 'index'}, {:controller => 'content', :action => 'list'}))
    assert_equal('content/list', execute({:action => 'list'}, {:controller => 'content', :action => 'index'}))
    assert_equal('content/show/10', execute({:action => 'show', :id => '10'}, {:controller => 'content', :action => 'list'}))

    assert_equal('admin/user', execute({:action => 'index'}, {:controller => 'admin/user', :action => 'list'}))
    assert_equal('admin/user/list', execute({:action => 'list'}, {:controller => 'admin/user', :action => 'index'}))
    assert_equal('admin/user/show/10', execute({:action => 'show', :id => '10'}, {:controller => 'admin/user', :action => 'list'}))

    if time
      GC.start
      n = 1000
      time = Benchmark.realtime do n.times {
        execute({:action => 'index'}, {:controller => 'content', :action => 'list'})
        execute({:action => 'list'}, {:controller => 'content', :action => 'index'})
        execute({:action => 'show', :id => '10'}, {:controller => 'content', :action => 'list'})

        execute({:action => 'index'}, {:controller => 'admin/user', :action => 'list'})
        execute({:action => 'list'}, {:controller => 'admin/user', :action => 'index'})
        execute({:action => 'show', :id => '10'}, {:controller => 'admin/user', :action => 'list'})
      } end
      time -= Benchmark.realtime do n.times { } end
    
      puts "\n\nGeneration:"
      per_url = time / (n * 6)
    
      puts "#{per_url * 1000} ms/url"
      puts "#{1 / per_url} urls/s\n\n"
    end
  end

  def test_default_route
    g.if(g.check_conditions(:controller => 'content', :action => 'welcome')) { go [] }
    
    assert_nil execute({:controller => 'foo', :action => 'welcome'}, {})
    assert_nil execute({:controller => 'content', :action => 'elcome'}, {})
    assert_nil execute({:action => 'elcome'}, {:controller => 'content'})

    assert_equal '', execute({:controller => 'content', :action => 'welcome'}, {})
    assert_equal '', execute({:action => 'welcome'}, {:controller => 'content'})
    assert_equal '', execute({:action => 'welcome', :id => '10'}, {:controller => 'content'})
  end
end

class RouteTests < Test::Unit::TestCase
  def route(*args)
    @route = ::ActionController::Routing::Route.new(*args) unless args.empty?
    return @route
  end
  
  def rec(path, show = false)
    path = path.split('/') if path.is_a? String
    index = 0
    source = route.write_recognition.to_s
    puts "\n\n#{source}\n\n" if show
    r = eval(source)
    r ? r.symbolize_keys : r
  end
  def gen(options, recall = nil, show = false)
    recall ||= options.dup
    
    expire_on = ::ActionController::Routing.expiry_hash(options, recall)
    hash = merged = recall.merge(options)
    not_expired = true
    
    source = route.write_generation.to_s
    puts "\n\n#{source}\n\n" if show
    eval(source)
    
  end
  
  def test_static
    route 'hello/world', :known => 'known_value'
    
    assert_nil rec('hello/turn')
    assert_nil rec('turn/world')
    assert_equal({:known => 'known_value'}, rec('hello/world'))
    
    assert_nil gen(:known => 'foo')
    assert_nil gen({})
    assert_equal 'hello/world', gen(:known => 'known_value')
    assert_equal 'hello/world', gen(:known => 'known_value', :extra => 'hi')
    assert_equal [:extra], route.extra_keys(:known => 'known_value', :extra => 'hi')
  end
  
  def test_dynamic
    route 'hello/:name', :controller => 'content', :action => 'show_person'
    
    assert_nil rec('hello')
    assert_nil rec('foo/bar')
    assert_equal({:controller => ::Controllers::ContentController, :action => 'show_person', :name => 'rails'}, rec('hello/rails'))
    assert_equal({:controller => ::Controllers::ContentController, :action => 'show_person', :name => 'Nicholas Seckar'}, rec('hello/Nicholas+Seckar'))
    
    assert_nil gen(:controller => 'content', :action => 'show_dude', :name => 'rails')
    assert_nil gen(:controller => 'content', :action => 'show_person')
    assert_nil gen(:controller => 'admin/user', :action => 'show_person', :name => 'rails')
    assert_equal 'hello/rails', gen(:controller => 'content', :action => 'show_person', :name => 'rails')
    assert_equal 'hello/Nicholas+Seckar', gen(:controller => 'content', :action => 'show_person', :name => 'Nicholas Seckar')
  end
  
  def test_typical
    route ':controller/:action/:id', :action => 'index', :id => nil
    assert_nil rec('hello')
    assert_nil rec('foo bar')
    assert_equal({:controller => ::Controllers::ContentController, :action => 'index'}, rec('content'))
    assert_equal({:controller => ::Controllers::Admin::UserController, :action => 'index'}, rec('admin/user'))
    
    assert_equal({:controller => ::Controllers::Admin::UserController, :action => 'index'}, rec('admin/user/index'))
    assert_equal({:controller => ::Controllers::Admin::UserController, :action => 'list'}, rec('admin/user/list'))
    assert_equal({:controller => ::Controllers::Admin::UserController, :action => 'show', :id => '10'}, rec('admin/user/show/10'))
    
    assert_equal({:controller => ::Controllers::ContentController, :action => 'list'}, rec('content/list'))
    assert_equal({:controller => ::Controllers::ContentController, :action => 'show', :id => '10'}, rec('content/show/10'))
    
    
    assert_equal 'content', gen(:controller => 'content', :action => 'index')
    assert_equal 'content/list', gen(:controller => 'content', :action => 'list')
    assert_equal 'content/show/10', gen(:controller => 'content', :action => 'show', :id => '10')
    
    assert_equal 'admin/user', gen(:controller => 'admin/user', :action => 'index')
    assert_equal 'admin/user', gen(:controller => 'admin/user')
    assert_equal 'admin/user', gen({:controller => 'admin/user'}, {:controller => 'content', :action => 'list', :id => '10'})
    assert_equal 'admin/user/show/10', gen(:controller => 'admin/user', :action => 'show', :id => '10')
  end
end

class RouteSetTests < Test::Unit::TestCase
  attr_reader :rs
  def setup
    @rs = ::ActionController::Routing::RouteSet.new
    @rs.draw {|m| m.connect ':controller/:action/:id' }
  end
  
  def test_default_setup
    assert_equal({:controller => ::Controllers::ContentController, :action => 'index'}.stringify_keys, rs.recognize_path(%w(content)))
    assert_equal({:controller => ::Controllers::ContentController, :action => 'list'}.stringify_keys, rs.recognize_path(%w(content list)))
    assert_equal({:controller => ::Controllers::ContentController, :action => 'show', :id => '10'}.stringify_keys, rs.recognize_path(%w(content show 10)))
    
    assert_equal({:controller => ::Controllers::Admin::UserController, :action => 'show', :id => '10'}.stringify_keys, rs.recognize_path(%w(admin user show 10)))
    
    assert_equal ['admin/user/show/10', {}], rs.generate({:controller => 'admin/user', :action => 'show', :id => 10})
    
    assert_equal ['admin/user/show', {}], rs.generate({:action => 'show'}, {:controller => 'admin/user', :action => 'list', :id => '10'})
    assert_equal ['admin/user/list/10', {}], rs.generate({}, {:controller => 'admin/user', :action => 'list', :id => '10'})
  end
  
  def test_time_recognition
    n = 10000
    if RunTimeTests
      GC.start
      rectime = Benchmark.realtime do
        n.times do
          rs.recognize_path(%w(content))
          rs.recognize_path(%w(content list))
          rs.recognize_path(%w(content show 10))
          rs.recognize_path(%w(admin user))
          rs.recognize_path(%w(admin user list))
          rs.recognize_path(%w(admin user show 10))
        end
      end
      puts "\n\nRecognition (RouteSet):"
      per_url = rectime / (n * 6)
      puts "#{per_url * 1000} ms/url"
      puts "#{1 / per_url} url/s\n\n"
    end
  end
  def test_time_generation
    n = 5000
    if RunTimeTests
      GC.start
      pairs = [
        [{:controller => 'content', :action => 'index'}, {:controller => 'content', :action => 'show'}],
        [{:controller => 'content'}, {:controller => 'content', :action => 'index'}],   
        [{:controller => 'content', :action => 'list'}, {:controller => 'content', :action => 'index'}],
        [{:controller => 'content', :action => 'show', :id => '10'}, {:controller => 'content', :action => 'list'}],
        [{:controller => 'admin/user', :action => 'index'}, {:controller => 'admin/user', :action => 'show'}],
        [{:controller => 'admin/user'}, {:controller => 'admin/user', :action => 'index'}],
        [{:controller => 'admin/user', :action => 'list'}, {:controller => 'admin/user', :action => 'index'}],
        [{:controller => 'admin/user', :action => 'show', :id => '10'}, {:controller => 'admin/user', :action => 'list'}],
      ]
      p = nil
      gentime = Benchmark.realtime do
        n.times do
        pairs.each {|(a, b)| rs.generate(a, b)}
        end
      end
      
      puts "\n\nGeneration (RouteSet): (#{(n * 8)} urls)"
      per_url = gentime / (n * 8)
      puts "#{per_url * 1000} ms/url"
      puts "#{1 / per_url} url/s\n\n"
    end
  end

  def test_route_with_colon_first
    rs.draw do |map|
      map.connect '/:controller/:action/:id', :action => 'index', :id => nil
      map.connect ':url', :controller => 'tiny_url', :action => 'translate'
    end
  end

  def test_route_generating_string_literal_in_comparison_warning
    old_stderr = $stderr
    $stderr = StringIO.new
    rs.draw do |map|
      map.connect 'subscriptions/:action/:subscription_type', :controller => "subscriptions"
    end
    assert_equal "", $stderr.string
  ensure
    $stderr = old_stderr
  end

  def test_basic_named_route
    rs.home '', :controller => 'content', :action => 'list' 
    x = setup_for_named_route
    assert_equal({:controller => 'content', :action => 'list'},
                 x.new.send(:home_url))
  end

  def test_named_route_with_option
    rs.page 'page/:title', :controller => 'content', :action => 'show_page'
    x = setup_for_named_route
    assert_equal({:controller => 'content', :action => 'show_page', :title => 'new stuff'},
                 x.new.send(:page_url, :title => 'new stuff'))
  end  

  def setup_for_named_route
    x = Class.new
    x.send(:define_method, :url_for) {|x| x}
    x.send :include, ::ActionController::Routing::NamedRoutes
    x
  end

  def test_named_route_without_hash
    rs.draw do |map|
      rs.normal ':controller/:action/:id'
    end
  end

  def test_changing_controller
    assert_equal ['admin/stuff/show/10', {}], rs.generate(
      {:controller => 'stuff', :action => 'show', :id => 10},
      {:controller => 'admin/user', :action => 'index'}
    )
  end  
end

end