diff --git a/sinatra-contrib/Gemfile b/sinatra-contrib/Gemfile
new file mode 100644
index 00000000..7f5eae31
--- /dev/null
+++ b/sinatra-contrib/Gemfile
@@ -0,0 +1,2 @@
+source "http://rubygems.org" unless ENV['QUICK']
+gemspec
diff --git a/sinatra-contrib/README.md b/sinatra-contrib/README.md
new file mode 100644
index 00000000..3b56babf
--- /dev/null
+++ b/sinatra-contrib/README.md
@@ -0,0 +1 @@
+TODO: More imports/rewrites, documentation.
\ No newline at end of file
diff --git a/sinatra-contrib/lib/sinatra/config_file.rb b/sinatra-contrib/lib/sinatra/config_file.rb
new file mode 100644
index 00000000..b73e2ea0
--- /dev/null
+++ b/sinatra-contrib/lib/sinatra/config_file.rb
@@ -0,0 +1,40 @@
+require 'sinatra/base'
+require 'yaml'
+
+module Sinatra
+  module ConfigFile
+    def self.registered(base)
+      base.set :environments, %w[test production development]
+    end
+
+    def config_file(*paths)
+      Dir.chdir(root || '.') do
+        paths.each do |pattern|
+          Dir.glob(pattern) do |file|
+            $stderr.puts "loading config file '#{file}'" if logging?
+            yaml = config_for_env(YAML.load_file(file)) || {}
+            yaml.each_pair do |key, value|
+              for_env = config_for_env(value)
+              set key, for_env unless value and for_env.nil? and respond_to? key
+            end
+          end
+        end
+      end
+    end
+
+    private
+
+    def config_for_env(hash)
+      if hash.respond_to? :keys and hash.keys.all? { |k| environments.include? k.to_s }
+        hash = hash[environment.to_s] || hash[environment.to_sym]
+      end
+
+      if hash.respond_to? :to_hash
+        indifferent_hash = Hash.new {|hash,key| hash[key.to_s] if Symbol === key }
+        indifferent_hash.merge hash.to_hash
+      else
+        hash
+      end
+    end
+  end
+end
diff --git a/sinatra-contrib/lib/sinatra/contrib.rb b/sinatra-contrib/lib/sinatra/contrib.rb
new file mode 100644
index 00000000..5325d54e
--- /dev/null
+++ b/sinatra-contrib/lib/sinatra/contrib.rb
@@ -0,0 +1,29 @@
+require 'sinatra/contrib/setup'
+
+module Sinatra
+  module Contrib
+    ##
+    # Common middleware that doesn't bring run time overhead if not used
+    # or breaks if external dependencies are missing. Will extend
+    # Sinatra::Application by default.
+    module Common
+      register :ConfigFile
+      register :Decompile
+      register :Namespace
+      register :RespondWith
+      helpers :LinkHeader
+    end
+
+    ##
+    # Other extensions you don't want to be loaded unless needed.
+    module Custom
+    end
+
+    ##
+    # Stuff that aren't Sinatra extensions, technically.
+    autoload :Extension
+    autoload :TestHelpers
+  end
+
+  register Sinatra::Contrib::Common
+end
diff --git a/sinatra-contrib/lib/sinatra/contrib/setup.rb b/sinatra-contrib/lib/sinatra/contrib/setup.rb
new file mode 100644
index 00000000..eebafaa2
--- /dev/null
+++ b/sinatra-contrib/lib/sinatra/contrib/setup.rb
@@ -0,0 +1,46 @@
+require 'sinatra/base'
+require 'sinatra/contrib/version'
+require 'backports'
+
+module Sinatra
+  module Contrib
+    module Loader
+      def extensions
+        @extensions ||= {:helpers => [], :register => []}
+      end
+
+      def register(name, path = nil)
+        autoload name, path, :register
+      end
+
+      def helpers(name, path = nil)
+        autoload name, path, :helpers
+      end
+
+      def autoload(name, path = nil, method = nil)
+        path ||= "sinatra/#{name.to_s.underscore}"
+        extensions[method] << name if method
+        Sinatra.autoload(name, path)
+      end
+
+      def registered(base)
+        @extensions.each do |meth, list|
+          base.send(meth, *list.map { |n| Sinatra.const_get n })
+        end
+      end
+    end
+
+    module Common
+      extend Loader
+    end
+
+    module Custom
+      extend Loader
+    end
+
+    extend Loader
+    def self.registered(base)
+      base.register Common, Custom
+    end
+  end
+end
diff --git a/sinatra-contrib/lib/sinatra/contrib/version.rb b/sinatra-contrib/lib/sinatra/contrib/version.rb
new file mode 100644
index 00000000..1f32d8a3
--- /dev/null
+++ b/sinatra-contrib/lib/sinatra/contrib/version.rb
@@ -0,0 +1,44 @@
+module Sinatra
+  module Contrib
+    def self.version
+      VERSION
+    end
+
+    module VERSION
+      extend Comparable
+
+      MAJOR     = 1
+      MINOR     = 2
+      TINY      = 0
+      SIGNATURE = [MAJOR, MINOR, TINY]
+      STRING    = SIGNATURE.join '.'
+
+      def self.major; MAJOR  end
+      def self.minor; MINOR  end
+      def self.tiny;  TINY   end
+      def self.to_s;  STRING end
+
+      def self.hash
+        STRING.hash
+      end
+
+      def self.<=>(other)
+        other = other.split('.').map { |i| i.to_i } if other.respond_to? :split
+        SIGNATURE <=> Array(other)
+      end
+
+      def self.inspect
+        STRING.inspect
+      end
+
+      def self.respond_to?(meth, *)
+        meth.to_s !~ /^__|^to_str$/ and STRING.respond_to? meth unless super
+      end
+
+      def self.method_missing(meth, *args, &block)
+        return super unless STRING.respond_to?(meth)
+        STRING.send(meth, *args, &block)
+      end
+    end
+  end
+end
diff --git a/sinatra-contrib/lib/sinatra/decompile.rb b/sinatra-contrib/lib/sinatra/decompile.rb
new file mode 100644
index 00000000..93c93c9c
--- /dev/null
+++ b/sinatra-contrib/lib/sinatra/decompile.rb
@@ -0,0 +1,61 @@
+require 'sinatra/base'
+require 'backports'
+
+module Sinatra
+  ##
+  # Can be used as extension or stand-alone:
+  #
+  #   Sinatra::Decompile.decompile(...)
+  module Decompile
+    extend self
+
+    ##
+    # Regenerates a string pattern for a given route
+    #
+    # Example:
+    #
+    #   class Sinatra::Application
+    #     routes.each do |verb, list|
+    #       puts "#{verb}:"
+    #       list.each do |data|
+    #         puts "\t" << decompile(data)
+    #       end
+    #     end
+    #   end
+    #
+    # Will return the internal Regexp if unable to reconstruct the pattern,
+    # which likely indicates that a Regexp was used in the first place.
+    #
+    # You can also use this to check whether you could actually use a string
+    # pattern instead of your regexp:
+    #
+    #   decompile /^/foo$/ # => '/foo'
+    def decompile(pattern, keys = nil, *)
+      # Everything in here is basically just the reverse of
+      # Sinatra::Base#compile
+      pattern, keys = pattern if pattern.respond_to? :to_ary
+      keys, str     = keys.try(:dup), pattern.inspect
+      return pattern unless str.start_with? '/' and str.end_with? '/'
+      str.gsub! /^\/\^?|\$?\/$/, ''
+      return pattern if str =~ /^[\.\+]/
+      str.gsub! /\([^\(]*\)/ do |part|
+        case part
+        when '(.*?)'
+          return pattern if keys.shift != 'splat'
+          '*'
+        when '([^\/?#]+)'
+          return pattern if keys.empty?
+          ":" << keys.shift
+        else
+          return pattern
+        end
+      end
+      str.gsub /(.)([\.\+\(\)\/])/ do
+        return pattern if $1 != "\\"
+        $2
+      end
+    end
+  end
+
+  register Decompile
+end
diff --git a/sinatra-contrib/lib/sinatra/extension.rb b/sinatra-contrib/lib/sinatra/extension.rb
new file mode 100644
index 00000000..6ab50307
--- /dev/null
+++ b/sinatra-contrib/lib/sinatra/extension.rb
@@ -0,0 +1,50 @@
+require 'sinatra/base'
+require 'backports/basic_object' unless defined? BasicObject
+
+module Sinatra
+  module Extension
+    def self.new(&block)
+      ext = Module.new.extend(self)
+      ext.class_eval(&block)
+      ext
+    end
+
+    def settings
+      self
+    end
+
+    def configure(*args, &block)
+      record(:configure, *args) { |c| c.instance_exec(c, &block) }
+    end
+
+    def registered(base = nil, &block)
+      base ? replay(base) : record(:class_eval, &block)
+    end
+
+    private
+
+    def record(method, *args, &block)
+      recorded_methods << [method, args, block]
+    end
+
+    def replay(object)
+      recorded_methods.each { |m, a, b| object.send(m, *a, &b) }
+    end
+
+    def recorded_methods
+      @recorded_methods ||= []
+    end
+
+    def method_missing(method, *args, &block)
+      return super unless Sinatra::Base.respond_to? method
+      record(method, *args, &block)
+      DontCall.new(method)
+    end
+
+    class DontCall < BasicObject
+      def initialize(method) @method = method end
+      def method_missing(*) fail "not supposed to use result of #@method!" end
+      def inspect; "#<#{self.class}: #{@method}>" end
+    end
+  end
+end
diff --git a/sinatra-contrib/lib/sinatra/link_header.rb b/sinatra-contrib/lib/sinatra/link_header.rb
new file mode 100644
index 00000000..c7fc1903
--- /dev/null
+++ b/sinatra-contrib/lib/sinatra/link_header.rb
@@ -0,0 +1,84 @@
+require 'sinatra/base'
+
+module Sinatra
+  ##
+  # Helper methods for generating Link HTTP headers and HTML tags.
+  module LinkHeader
+    ##
+    # Set Link HTTP header and returns HTML tags for telling the browser to
+    # prefetch given resources (only supported by Opera and Firefox at the 
+    # moment).
+    def prefetch(*urls)
+      link(:prefetch, *urls)
+    end
+
+    ##
+    # Sets Link HTTP header and returns HTML tags for using stylesheets.
+    def stylesheet(*urls)
+      urls << {} unless urls.last.respond_to? :to_hash
+      urls.last[:type] ||= mime_type(:css)
+      link(:stylesheet, *urls)
+    end
+
+    ##
+    # Sets Link HTTP header and returns corresponding HTML tags.
+    #
+    # Example:
+    #
+    #   # Sets header:
+    #   #   Link: </foo>; rel="next"
+    #   # Returns String:
+    #   #   '<link href="/foo" rel="next" />'
+    #   link '/foo', :rel => :next
+    #
+    #   # Multiple URLs
+    #   link :stylesheet, '/a.css', '/b.css'
+    def link(*urls)
+      opts          = urls.last.respond_to?(:to_hash) ? urls.pop : {}
+      opts[:rel]    = urls.shift unless urls.first.respond_to? :to_str
+      options       = opts.map { |k, v| " #{k}=#{v.to_s.inspect}" }
+      html_pattern  = "<link href=\"%s\"#{options.join} />"
+      http_pattern  = ["<%s>", *options].join ";"
+      link          = (response["Link"] ||= "")
+
+      urls.map do |url|
+        link << "\n" unless link.empty?
+        link << (http_pattern % url)
+        html_pattern % url
+      end.join "\n"
+    end
+
+    ##
+    # Takes the current value of th Link header(s) and generates HTML tags
+    # from it.
+    #
+    # Example:
+    #
+    #   get '/' do
+    #     # You can of course use fancy helpers like #link, #stylesheet
+    #     # or #prefetch
+    #     response["Link"] = '</foo>; rel="next"'
+    #     haml :some_page
+    #   end
+    #
+    #   __END__
+    #
+    #   @@ layout
+    #   %head= link_headers
+    #   %body= yield
+    def link_headers
+      yield if block_given?
+      return "" unless response.include? "Link"
+      response["Link"].lines.map do |line|
+        url, *opts = line.split(';').map(&:strip)
+        "<link href=\"#{url[1..-2]}\" #{opts.join " "} />"
+      end.join "\n"
+    end
+
+    def self.registered(base)
+      puts "WARNING: #{self} is a helpers module, not an extension."
+    end
+  end
+
+  helpers LinkHeader
+end
diff --git a/sinatra-contrib/lib/sinatra/namespace.rb b/sinatra-contrib/lib/sinatra/namespace.rb
new file mode 100644
index 00000000..c3f46773
--- /dev/null
+++ b/sinatra-contrib/lib/sinatra/namespace.rb
@@ -0,0 +1,137 @@
+require 'sinatra/base'
+require 'sinatra/decompile'
+
+module Sinatra
+  module Namespace
+    def self.new(base, pattern, conditions = {}, &block)
+      Module.new do
+        extend NamespacedMethods
+        @base, @extensions = base, []
+        @pattern, @conditions = compile(pattern, conditions)
+
+        namespace = self
+        before { extend namespace }
+        define_method(:error_block!) do |*keys|
+          if block = keys.inject(nil) { |b,k| b ||= namespace.errors[k] }
+            instance_eval(&block)
+          else
+            super(*keys)
+          end
+        end
+
+        class_eval(&block)
+      end
+    end
+
+    module SharedMethods
+      def namespace(pattern, conditions = {}, &block)
+        Sinatra::Namespace.new(self, pattern, conditions, &block)
+      end
+    end
+
+    module NamespacedMethods
+      include SharedMethods
+      include Sinatra::Decompile
+      attr_reader :base
+
+      def self.prefixed(*names)
+        names.each { |n| define_method(n) { |*a, &b| prefixed(n, *a, &b) }}
+      end
+
+      prefixed :before, :after, :delete, :get, :head, :options, :patch, :post, :put
+
+      def helpers(*extensions, &block)
+        class_eval(&block) if block_given?
+        include(*extensions) if extensions.any?
+      end
+
+      def register(*extensions, &block)
+        extensions << Module.new(&block) if block_given?
+        @extensions += extensions
+        extensions.each do |extension|
+          extend extension
+          extension.registered(self) if extension.respond_to?(:registered)
+        end
+      end
+
+      def invoke_hook(name, *args)
+        @extensions.each { |e| e.send(name, *args) if e.respond_to?(name) }
+      end
+
+      def errors
+        @errors ||= {}
+      end
+
+      def not_found(&block)
+        error(404, &block)
+      end
+
+      def error(codes = Exception, &block)
+        [*codes].each { |c| errors[c] = block }
+      end
+
+      def respond_to(*args)
+        return @conditions[:provides] || base.respond_to if args.empty?
+        @conditions[:provides] = args
+      end
+
+      private
+
+      def app
+        base.respond_to?(:base) ? base.base : base
+      end
+
+      def compile(pattern, conditions, default_pattern = nil)
+        if pattern.respond_to? :to_hash
+          conditions = conditions.merge pattern.to_hash
+          pattern = nil
+        end
+        base_pattern, base_conditions = @pattern, @conditions
+        pattern         ||= default_pattern
+        base_pattern    ||= base.pattern    if base.respond_to? :pattern
+        base_conditions ||= base.conditions if base.respond_to? :conditions
+        [ prefixed_path(base_pattern, pattern),
+          (base_conditions || {}).merge(conditions) ]
+      end
+
+      def prefixed_path(a, b)
+        return a || b || // unless a and b
+        a, b = decompile(a), decompile(b) unless a.class == b.class
+        a, b = regexpify(a), regexpify(b) unless a.class == b.class
+        path = a.class.new "#{a}#{b}"
+        path = /^#{path}$/ if path.is_a? Regexp and base == app
+        path
+      end
+
+      def regexpify(pattern)
+        pattern = Sinatra::Base.send(:compile, pattern).first.inspect
+        pattern.gsub! /^\/(\^|\\A)?|(\$|\\Z)?\/$/, ''
+        Regexp.new pattern
+      end
+
+      def prefixed(method, pattern = nil, conditions = {}, &block)
+        default = '*' if method == :before or method == :after
+        pattern, conditions = compile pattern, conditions, default
+        result = base.send(method, pattern, conditions, &block)
+        invoke_hook :route_added, method.to_s.upcase, pattern, block
+        result
+      end
+
+      def method_missing(meth, *args, &block)
+        return super if args.any? or block or not base.respond_to? meth
+        base.send meth
+      end
+    end
+
+    module BaseMethods
+      include SharedMethods
+    end
+
+    def self.extend_object(base)
+      base.extend BaseMethods
+    end
+  end
+
+  register Sinatra::Namespace
+  Delegator.delegate :namespace
+end
diff --git a/sinatra-contrib/lib/sinatra/respond_with.rb b/sinatra-contrib/lib/sinatra/respond_with.rb
new file mode 100644
index 00000000..e5a6d122
--- /dev/null
+++ b/sinatra-contrib/lib/sinatra/respond_with.rb
@@ -0,0 +1,154 @@
+require 'sinatra/base'
+require 'json' unless String.method_defined? :to_json
+
+module Sinatra
+  module RespondWith
+    class Format
+      def initialize(app)
+        @app, @map, @generic, @default = app, {}, {}, nil
+      end
+
+      def on(type, &block)
+        @app.settings.mime_types(type).each do |mime|
+          case mime
+          when '*/*'           then @default     = block
+          when /^([^\/]+)\/\*$/ then @generic[$1] = block
+          else                      @map[mime]   = block
+          end
+        end
+      end
+
+      def finish
+        yield self if block_given?
+        mime_type = @app.content_type             ||
+          @app.request.preferred_type(@map.keys)  ||
+          @app.request.preferred_type             ||
+          'text/html'
+        type = mime_type.split(/\s*;\s*/, 2).first
+        handlers = [@map[type], @generic[type[/^[^\/]+/]], @default].compact
+        handlers.each do |block|
+          if result = block.call(type)
+            @app.content_type mime_type
+            @app.halt result
+          end
+        end
+        @app.halt 406
+      end
+
+      def method_missing(meth, *args, &block)
+        return super if args.any? or block.nil? or not @app.mime_type(meth)
+        on(meth, &block)
+      end
+    end
+
+    module Helpers
+      def respond_with(template, object = nil, &block)
+        object, template = template, nil unless Symbol === template
+        format = Format.new(self)
+        format.on "*/*" do |type|
+          exts = settings.ext_map[type]
+          exts << :xml if type.end_with? '+xml'
+          if template
+            args = template_cache.fetch(type, template) { template_for(template, exts) }
+            if args.any?
+              locals = { :object => object }
+              locals.merge! object.to_hash if object.respond_to? :to_hash
+              args << { :locals => locals }
+              halt send(*args)
+            end
+          end
+          if object
+            exts.each do |ext|
+              next unless meth = "to_#{ext}" and object.respond_to? meth
+              halt(*object.send(meth))
+            end
+          end
+          false
+        end
+        format.finish(&block)
+      end
+
+      def respond_to(&block)
+        Format.new(self).finish(&block)
+      end
+
+      private
+
+      def template_for(name, exts)
+        # in production this is cached, so don't worry to much about runtime
+        possible = []
+        settings.template_engines[:all].each do |engine|
+          exts.each { |ext| possible << [engine, "#{name}.#{ext}"] }
+        end
+        exts.each do |ext|
+          settings.template_engines[ext].each { |e| possible << [e, name] }
+        end
+        possible.each do |engine, template|
+          find_template(settings.views, template, Tilt[engine]) do |file|
+            next unless File.exist? file
+            return settings.rendering_method(engine) << template.to_sym
+          end
+        end
+        [] # nil or false would not be cached
+      end
+    end
+
+    attr_accessor :ext_map
+
+    def remap_extensions
+      ext_map.clear
+      Rack::Mime::MIME_TYPES.each { |e,t| ext_map[t] << e[1..-1].to_sym }
+      ext_map['text/javascript'] << 'js'
+      ext_map['text/xml'] << 'xml'
+    end
+
+    def mime_type(*)
+      result = super
+      remap_extensions
+      result
+    end
+
+    def respond_to(*formats)
+      if formats.any?
+        @respond_to ||= []
+        @respond_to.concat formats
+      elsif @respond_to.nil? and superclass.respond_to? :respond_to
+        superclass.respond_to
+      else
+        @respond_to
+      end
+    end
+
+    def rendering_method(engine)
+      return [engine] if Sinatra::Templates.method_defined? engine
+      return [:mab] if engine.to_sym == :markaby
+      [:render, :engine]
+    end
+
+    private
+
+    def compile!(verb, path, block, options = {})
+      options[:provides] ||= respond_to if respond_to
+      super
+    end
+
+    ENGINES = {
+      :css  => [:less,  :sass, :scss],
+      :xml  => [:builder, :nokogiri],
+      :js   => [:coffee],
+      :html => [:erb, :erubis, :haml, :slim, :liquid, :radius, :mab, :markdown,
+        :textile, :rdoc],
+      :all  => Sinatra::Templates.instance_methods.map(&:to_sym) + [:mab] -
+        [:find_template, :markaby]
+    }
+
+    ENGINES.default = []
+
+    def self.registered(base)
+      base.ext_map = Hash.new { |h,k| h[k] = [] }
+      base.set :template_engines, ENGINES.dup
+      base.remap_extensions
+      base.helpers Helpers
+    end
+  end
+end
diff --git a/sinatra-contrib/lib/sinatra/test_helpers.rb b/sinatra-contrib/lib/sinatra/test_helpers.rb
new file mode 100644
index 00000000..16316a3f
--- /dev/null
+++ b/sinatra-contrib/lib/sinatra/test_helpers.rb
@@ -0,0 +1,86 @@
+require 'sinatra/base'
+require 'rack/test'
+require 'rack'
+require 'forwardable'
+
+module Sinatra
+  Base.set :environment, :test
+
+  module TestHelpers
+    class Session < Rack::Test::Session
+      def global_env
+        @global_env ||= {}
+      end
+
+      private
+
+      def default_env
+        super.merge global_env
+      end
+    end
+
+    include Rack::Test::Methods
+    extend Forwardable
+    attr_accessor :settings
+
+    def_delegators :last_response, :body, :headers, :status, :errors
+    def_delegators :app, :configure, :set, :enable, :disable, :use, :helpers, :register
+    def_delegators :current_session, :env_for
+
+    def mock_app(base = Sinatra::Base, &block)
+      inner = nil
+      @app  = Sinatra.new(base) do
+        inner = self
+        class_eval(&block)
+      end
+      @settings = inner
+      app
+    end
+
+    def app=(base)
+      @app = base
+    end
+
+    alias set_app app=
+
+    def app
+      @app ||= Class.new Sinatra::Base
+      Rack::Lint.new @app
+    end
+
+    unless method_defined? :options
+      def options(uri, params = {}, env = {}, &block)
+        env = env_for(uri, env.merge(:method => "OPTIONS", :params => params))
+        current_session.send(:process_request, uri, env, &block)
+      end
+    end
+
+    unless method_defined? :patch
+      def patch(uri, params = {}, env = {}, &block)
+        env = env_for(uri, env.merge(:method => "PATCH", :params => params))
+        current_session.send(:process_request, uri, env, &block)
+      end
+    end
+
+    def last_request?
+      last_request
+      true
+    rescue Rack::Test::Error
+      false
+    end
+
+    def session
+      return {} unless last_request?
+      raise Rack::Test:Error, "session not enabled for app" unless last_env["rack.session"] or app.session?
+      last_request.session
+    end
+
+    def last_env
+      last_request.env
+    end
+
+    def build_rack_test_session(name) # :nodoc:
+      Session.new rack_mock_session(name)
+    end
+  end
+end
diff --git a/sinatra-contrib/sinatra-contrib.gemspec b/sinatra-contrib/sinatra-contrib.gemspec
new file mode 100644
index 00000000..c40e54d5
--- /dev/null
+++ b/sinatra-contrib/sinatra-contrib.gemspec
@@ -0,0 +1,17 @@
+Gem::Specification.new do |s|
+  s.name          = "sinatra-contrib"
+  s.version       = "1.2.0"
+  s.description   = "Collection of useful Sinatra extensions"
+  s.authors       = ["Konstantin Haase"]
+  s.email         = "konstantin.mailinglists@googlemail.com"
+  s.files         = Dir["**/*.{rb,md}"] << "LICENSE"
+  s.has_rdoc      = 'yard'
+  s.homepage      = "http://github.com/rkh/#{s.name}"
+  s.require_paths = ["lib"]
+  s.summary       = s.description
+
+  s.add_dependency "sinatra", "~> 1.2.2"
+  s.add_dependency "backports", ">= 2.0"
+
+  s.add_development_dependency "rspec", "~> 2.3"
+end
diff --git a/sinatra-contrib/spec/config_file/key_value.yml b/sinatra-contrib/spec/config_file/key_value.yml
new file mode 100644
index 00000000..7cfd314c
--- /dev/null
+++ b/sinatra-contrib/spec/config_file/key_value.yml
@@ -0,0 +1,6 @@
+---
+foo: bar
+something: 42
+nested:
+  a: 1
+  b: 2
diff --git a/sinatra-contrib/spec/config_file/missing_env.yml b/sinatra-contrib/spec/config_file/missing_env.yml
new file mode 100644
index 00000000..88145668
--- /dev/null
+++ b/sinatra-contrib/spec/config_file/missing_env.yml
@@ -0,0 +1,4 @@
+---
+foo:
+  production: 10
+  development: 20
\ No newline at end of file
diff --git a/sinatra-contrib/spec/config_file/with_envs.yml b/sinatra-contrib/spec/config_file/with_envs.yml
new file mode 100644
index 00000000..61934d63
--- /dev/null
+++ b/sinatra-contrib/spec/config_file/with_envs.yml
@@ -0,0 +1,7 @@
+---
+development:
+  foo: development
+production:
+  foo: production
+test:
+  foo: test
diff --git a/sinatra-contrib/spec/config_file/with_nested_envs.yml b/sinatra-contrib/spec/config_file/with_nested_envs.yml
new file mode 100644
index 00000000..22e759d8
--- /dev/null
+++ b/sinatra-contrib/spec/config_file/with_nested_envs.yml
@@ -0,0 +1,11 @@
+---
+database:
+  production:
+    adapter: postgresql
+    database: foo_production
+  development:
+    adapter: sqlite
+    database: db/development.db
+  test:
+    adapter: sqlite
+    database: db/test.db
\ No newline at end of file
diff --git a/sinatra-contrib/spec/config_file_spec.rb b/sinatra-contrib/spec/config_file_spec.rb
new file mode 100644
index 00000000..02f09876
--- /dev/null
+++ b/sinatra-contrib/spec/config_file_spec.rb
@@ -0,0 +1,44 @@
+require 'backports'
+require_relative 'spec_helper'
+
+describe Sinatra::ConfigFile do
+  def config_file(*args, &block)
+    mock_app do
+      register Sinatra::ConfigFile
+      set :root, File.expand_path('../config_file', __FILE__)
+      instance_eval(&block) if block
+      config_file(*args)
+    end
+  end
+
+  it 'should set options from a simple config_file' do
+    config_file 'key_value.yml'
+    settings.foo.should == 'bar'
+    settings.something.should == 42
+  end
+
+  it 'should create indifferent hashes' do
+    config_file 'key_value.yml'
+    settings.nested['a'].should == 1
+    settings.nested[:a].should == 1
+  end
+
+  it 'should recognize env specific settings per file' do
+    config_file 'with_envs.yml'
+    settings.foo.should == 'test'
+  end
+
+  it 'should recognize env specific settings per setting' do
+    config_file 'with_nested_envs.yml'
+    settings.database[:adapter].should == 'sqlite'
+  end
+
+  it 'should not set present values to nil if the current env is missing' do
+    # first let's check the test is actually working properly
+    config_file('missing_env.yml') { set :foo => 42, :environment => :production }
+    settings.foo.should == 10
+    # now test it
+    config_file('missing_env.yml') { set :foo => 42, :environment => :test }
+    settings.foo.should == 42
+  end
+end
diff --git a/sinatra-contrib/spec/decompile_spec.rb b/sinatra-contrib/spec/decompile_spec.rb
new file mode 100644
index 00000000..84a54ba7
--- /dev/null
+++ b/sinatra-contrib/spec/decompile_spec.rb
@@ -0,0 +1,42 @@
+require 'backports'
+require_relative 'spec_helper'
+
+RSpec::Matchers.define :decompile do |path|
+  match do |app|
+    @compiled, @keys    = app.send :compile, path
+    @decompiled         = app.decompile(@compiled, @keys)
+    @decompiled.should == path
+  end
+
+  failure_message_for_should do |app|
+    values = [app, @compiled, @keys, path, @decompiled].map(&:inspect)
+    "expected %s to decompile %s with %s to %s, but was %s" % values
+  end
+end
+
+describe Sinatra::Decompile do
+  subject { Sinatra::Application }
+  it { should decompile("") }
+  it { should decompile("/") }
+  it { should decompile("/?") }
+  it { should decompile("/foo") }
+  it { should decompile("/:name") }
+  it { should decompile("/:name?") }
+  it { should decompile("/:foo/:bar") }
+  it { should decompile("/page/:id/edit") }
+  it { should decompile("/hello/*") }
+  it { should decompile("/*/foo/*") }
+  it { should decompile("*") }
+  it { should decompile(":name.:format") }
+  it { should decompile(/./) }
+  it { should decompile(/f(oo)/) }
+  it { should decompile(/ba+r/) }
+
+  it 'just returns strings' do
+    subject.decompile('/foo').should == '/foo'
+  end
+
+  it 'just decompile simple regexps without keys' do
+    subject.decompile(%r{/foo}).should == '/foo'
+  end
+end
diff --git a/sinatra-contrib/spec/extension_spec.rb b/sinatra-contrib/spec/extension_spec.rb
new file mode 100644
index 00000000..01883054
--- /dev/null
+++ b/sinatra-contrib/spec/extension_spec.rb
@@ -0,0 +1,33 @@
+require 'backports'
+require_relative 'spec_helper'
+
+describe Sinatra::Extension do
+  module ExampleExtension
+    extend Sinatra::Extension
+
+    set :foo, :bar
+    settings.set :bar, :blah
+
+    configure :test, :production do
+      set :reload_stuff, false
+    end
+
+    configure :development do
+      set :reload_stuff, true
+    end
+
+    get '/' do
+      "from extension, yay"
+    end
+  end
+
+  before { mock_app { register ExampleExtension }}
+
+  it('allows using set') { settings.foo.should == :bar }
+  it('implements configure') { settings.reload_stuff.should be_false }
+
+  it 'allows defing routes' do
+    get('/').should be_ok
+    body.should == "from extension, yay"
+  end
+end
diff --git a/sinatra-contrib/spec/link_header_spec.rb b/sinatra-contrib/spec/link_header_spec.rb
new file mode 100644
index 00000000..cf8d30b0
--- /dev/null
+++ b/sinatra-contrib/spec/link_header_spec.rb
@@ -0,0 +1,100 @@
+require 'backports'
+require_relative 'spec_helper'
+
+describe Sinatra::LinkHeader do
+  before do
+    mock_app do
+      helpers Sinatra::LinkHeader
+      before('/') { link 'something', :rel => 'from-filter', :foo => :bar }
+
+      get '/' do
+        link :something, 'booyah'
+      end
+
+      get '/style' do
+        stylesheet '/style.css'
+      end
+
+      get '/prefetch' do
+        prefetch '/foo'
+      end
+
+      get '/link_headers' do
+        response['Link'] = "<foo>     ;bar=\"baz\""
+        stylesheet '/style.css'
+        prefetch '/foo'
+        link_headers
+      end
+    end
+  end
+
+  describe :link do
+    it "sets link headers" do
+      get '/'
+      headers['Link'].lines.should include('<booyah>; rel="something"')
+    end
+
+    it "returns link html tags" do
+      get '/'
+      body.should == '<link href="booyah" rel="something" />'
+    end
+
+    it "takes an options hash" do
+      get '/'
+      elements = ["<something>", "foo=\"bar\"", "rel=\"from-filter\""]
+      headers['Link'].lines.first.strip.split('; ').sort.should == elements
+    end
+  end
+
+  describe :stylesheet do
+    it 'sets link headers' do
+      get '/style'
+      headers['Link'].should match(%r{^</style\.css>;})
+    end
+
+    it 'sets type to text/css' do
+      get '/style'
+      headers['Link'].should include('type="text/css"')
+    end
+
+    it 'sets rel to stylesheet' do
+      get '/style'
+      headers['Link'].should include('rel="stylesheet"')
+    end
+
+    it 'returns html tag' do
+      get '/style'
+      body.should match(%r{^<link href="/style\.css"})
+    end
+  end
+
+  describe :prefetch do
+    it 'sets link headers' do
+      get '/prefetch'
+      headers['Link'].should match(%r{^</foo>;})
+    end
+
+    it 'sets rel to prefetch' do
+      get '/prefetch'
+      headers['Link'].should include('rel="prefetch"')
+    end
+
+    it 'returns html tag' do
+      get '/prefetch'
+      body.should == '<link href="/foo" rel="prefetch" />'
+    end
+  end
+
+  describe :link_headers do
+    it 'generates html for all link headers' do
+      get '/link_headers'
+      body.should include('<link href="/foo" rel="prefetch" />')
+      body.should include('<link href="/style.css" ')
+    end
+
+    it "respects Link headers not generated on its own" do
+      get '/link_headers'
+      body.should include('<link href="foo" bar="baz" />')
+    end
+  end
+end
diff --git a/sinatra-contrib/spec/namespace_spec.rb b/sinatra-contrib/spec/namespace_spec.rb
new file mode 100644
index 00000000..2cfb9c18
--- /dev/null
+++ b/sinatra-contrib/spec/namespace_spec.rb
@@ -0,0 +1,546 @@
+require 'backports'
+require_relative 'spec_helper'
+
+describe Sinatra::Namespace do
+  verbs = [:get, :head, :post, :put, :delete, :options]
+  verbs << :patch if Sinatra::VERSION >= '1.3'
+
+  def mock_app(&block)
+    super do
+      register Sinatra::Namespace
+      class_eval(&block)
+    end
+  end
+
+  def namespace(*args, &block)
+    mock_app { namespace(*args, &block) }
+  end
+
+  verbs.each do |verb|
+    describe "HTTP #{verb.to_s.upcase}" do
+      describe 'pattern generation' do
+        it "should add routes including prefix to the base app" do
+          namespace("/foo") { send(verb, "/bar") { "baz" }}
+          send(verb, "/foo/bar").should be_ok
+          body.should == "baz" unless verb == :head
+          send(verb, "/foo/baz").should_not be_ok
+        end
+
+        it "should allows adding routes with no path" do
+          namespace("/foo") { send(verb) { "bar" } }
+          send(verb, "/foo").should be_ok
+          body.should == "bar" unless verb == :head
+        end
+
+        it "allows unsing regular expressions" do
+          namespace("/foo") { send(verb, /\/\d\d/) { "bar" }}
+          send(verb, "/foo/12").should be_ok
+          body.should == "bar" unless verb == :head
+          send(verb, "/foo/123").should_not be_ok
+        end
+
+        it "allows using regular expressions for the prefix" do
+          namespace(/\/\d\d/) { send(verb, /\/\d\d/) { "foo" }}
+          send(verb, "/23/12").should be_ok
+          body.should == "foo" unless verb == :head
+          send(verb, "/123/12").should_not be_ok
+        end
+
+        it "sets params correctly from namespace" do
+          namespace("/:foo") { send(verb, "/bar") { params[:foo] }}
+          send(verb, "/foo/bar").should be_ok
+          body.should == "foo" unless verb == :head
+          send(verb, "/foo/baz").should_not be_ok
+          send(verb, "/fox/bar").should be_ok
+          body.should == "fox" unless verb == :head
+        end
+  
+        it "sets params correctly from route" do
+          namespace("/foo") { send(verb, "/:bar") { params[:bar] }}
+          send(verb, "/foo/bar").should be_ok
+          body.should == "bar" unless verb == :head
+          send(verb, "/foo/baz").should be_ok
+          body.should == "baz" unless verb == :head
+        end
+
+        it "allows splats to be combined from namespace and route" do
+          namespace("/*") { send(verb, "/*") { params[:splat].join " - " }}
+          send(verb, '/foo/bar').should be_ok
+          body.should == "foo - bar" unless verb == :head
+        end
+
+        it "sets params correctly from namespace if simple regexp is used for route" do
+          namespace("/:foo") { send(verb, %r{/bar}) { params[:foo] }}
+          send(verb, "/foo/bar").should be_ok
+          body.should == "foo" unless verb == :head
+          send(verb, "/foo/baz").should_not be_ok
+          send(verb, "/fox/bar").should be_ok
+          body.should == "fox" unless verb == :head
+        end
+
+        it "sets params correctly from route if simple regexp is used for namespace" do
+          namespace(%r{/foo}) { send(verb, "/:bar") { params[:bar] }}
+          send(verb, "/foo/bar").should be_ok
+          body.should == "bar" unless verb == :head
+          send(verb, "/foo/baz").should be_ok
+          body.should == "baz" unless verb == :head
+        end
+
+        it 'allows defining routes without a pattern' do
+          namespace(%r{/foo}) { send(verb) { 'bar' } }
+          send(verb, '/foo').should be_ok
+          body.should == 'bar' unless verb == :head 
+        end
+      end
+
+      describe 'conditions' do
+        it 'allows using conditions for namespaces' do
+          mock_app do
+            namespace(:host_name => 'example.com') { send(verb) { 'yes' }}
+            send(verb, '/') { 'no' }
+          end
+          send(verb, '/', {}, 'HTTP_HOST' => 'example.com')
+          last_response.should be_ok
+          body.should == 'yes' unless verb == :head
+          send(verb, '/', {}, 'HTTP_HOST' => 'example.org')
+          last_response.should be_ok
+          body.should == 'no' unless verb == :head
+        end
+
+        it 'allows using conditions for before filters' do
+          namespace '/foo' do
+            before(:host_name => 'example.com') { @yes = "yes" }
+            send(verb) { @yes || "no" }
+          end
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.com')
+          last_response.should be_ok
+          body.should == 'yes' unless verb == :head
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.org')
+          last_response.should be_ok
+          body.should == 'no' unless verb == :head
+        end
+
+        it 'allows using conditions for after filters' do
+          ran = false
+          namespace '/foo' do
+            before(:host_name => 'example.com') { ran = true }
+            send(verb) { "ok" }
+          end
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.org')
+          ran.should be_false
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.com')
+          ran.should be_true
+        end
+
+        it 'allows using conditions for routes' do
+          namespace '/foo' do
+            send(verb, :host_name => 'example.com') { "ok" }
+          end
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.com').should be_ok
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.org').should_not be_ok
+        end
+
+        it 'allows using conditions for before filters and the namespace' do
+          ran = false
+          namespace '/', :provides => :txt do
+            before(:host_name => 'example.com') { ran = true }
+            send(verb) { "ok" }
+          end
+          send(verb, '/', {}, 'HTTP_HOST' => 'example.org', 'HTTP_ACCEPT' => 'text/plain')
+          ran.should be_false
+          send(verb, '/', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/html')
+          ran.should be_false
+          send(verb, '/', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/plain')
+          ran.should be_true
+        end
+
+        it 'allows using conditions for routes and the namespace' do
+          namespace '/foo', :host_name => 'example.com' do
+            send(verb, :provides => :txt) { "ok" }
+          end
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/plain').should be_ok
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/html').should_not be_ok
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.org', 'HTTP_ACCEPT' => 'text/plain').should_not be_ok
+        end
+
+        it 'allows combining conditions with a prefix for namespaces' do
+          namespace '/', :host_name => 'example.com' do
+            send(verb) { "ok" }
+          end
+          send(verb, '/', {}, 'HTTP_HOST' => 'example.com').should be_ok
+          send(verb, '/', {}, 'HTTP_HOST' => 'example.org').should_not be_ok
+        end
+
+        it 'allows combining conditions with a prefix for before filters' do
+          ran = false
+          namespace :provides => :txt do
+            before('/foo', :host_name => 'example.com') { ran = true }
+            send(verb, '/*') { "ok" }
+          end
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.org', 'HTTP_ACCEPT' => 'text/plain')
+          ran.should be_false
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/html')
+          ran.should be_false
+          send(verb, '/bar', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/plain')
+          ran.should be_false
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/plain')
+          ran.should be_true
+        end
+
+        it 'allows combining conditions with a prefix for after filters' do
+          ran = false
+          namespace :provides => :txt do
+            after('/foo', :host_name => 'example.com') { ran = true }
+            send(verb, '/*') { "ok" }
+          end
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.org', 'HTTP_ACCEPT' => 'text/plain')
+          ran.should be_false
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/html')
+          ran.should be_false
+          send(verb, '/bar', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/plain')
+          ran.should be_false
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/plain')
+          ran.should be_true
+        end
+
+        it 'allows combining conditions with a prefix for routes' do
+          namespace :host_name => 'example.com' do
+            send(verb, '/foo', :provides => :txt) { "ok" }
+          end
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/plain').should be_ok
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/html').should_not be_ok
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.org', 'HTTP_ACCEPT' => 'text/plain').should_not be_ok
+        end
+
+        it 'allows combining conditions with a prefix for filters and the namespace' do
+          ran = false
+          namespace '/f', :provides => :txt do
+            before('oo', :host_name => 'example.com') { ran = true }
+            send(verb, '/*') { "ok" }
+          end
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.org', 'HTTP_ACCEPT' => 'text/plain')
+          ran.should be_false
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/html')
+          ran.should be_false
+          send(verb, '/far', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/plain')
+          ran.should be_false
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/plain')
+          ran.should be_true
+        end
+
+        it 'allows combining conditions with a prefix for routes and the namespace' do
+          namespace '/f', :host_name => 'example.com' do
+            send(verb, 'oo', :provides => :txt) { "ok" }
+          end
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/plain').should be_ok
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.com', 'HTTP_ACCEPT' => 'text/html').should_not be_ok
+          send(verb, '/foo', {}, 'HTTP_HOST' => 'example.org', 'HTTP_ACCEPT' => 'text/plain').should_not be_ok
+        end
+      end
+
+      describe 'filters' do
+        it 'should trigger before filters for namespaces' do
+          ran = false
+          namespace('/foo') { before { ran = true }}
+          send(verb, '/foo')
+          ran.should be_true
+        end
+
+        it 'should trigger after filters for namespaces' do
+          ran = false
+          namespace('/foo') { after { ran = true }}
+          send(verb, '/foo')
+          ran.should be_true
+        end
+
+        it 'should not trigger before filter for different namespaces' do
+          ran = false
+          namespace('/foo') { before { ran = true }}
+          send(verb, '/fox')
+          ran.should be_false
+        end
+
+        it 'should not trigger after filter for different namespaces' do
+          ran = false
+          namespace('/foo') { after { ran = true }}
+          send(verb, '/fox')
+          ran.should be_false
+        end
+      end
+
+      describe 'helpers' do
+        it "allows defining helpers with the helpers method" do
+          namespace '/foo' do
+            helpers do
+              def magic
+                42
+              end
+            end
+
+            send verb, '/bar' do
+              magic.to_s
+            end
+          end
+
+          send(verb, '/foo/bar').should be_ok
+          body.should == '42' unless verb == :head
+        end
+
+        it "allows defining helpers without the helpers method" do
+          namespace '/foo' do
+            def magic
+              42
+            end
+
+            send verb, '/bar' do
+              magic.to_s
+            end
+          end
+
+          send(verb, '/foo/bar').should be_ok
+          body.should == '42' unless verb == :head
+        end
+
+        it "allows using helper mixins with the helpers method" do
+          mixin = Module.new do
+            def magic
+              42
+            end
+          end
+
+          namespace '/foo' do
+            helpers mixin
+            send verb, '/bar' do
+              magic.to_s
+            end
+          end
+
+          send(verb, '/foo/bar').should be_ok
+          body.should == '42' unless verb == :head
+        end
+
+        it "makes helpers defined inside a namespace not available to routes outside that namespace" do
+          mock_app do
+            namespace '/foo' do
+              def magic
+                42
+              end
+
+              send verb, '/bar' do
+                magic.to_s
+              end
+            end
+
+            send verb, '/' do
+              magic.to_s
+            end
+          end
+
+          proc { send verb, '/' }.should raise_error(NameError)
+        end
+
+        it "makes helper mixins used inside a namespace not available to routes outside that namespace" do
+          mixin = Module.new do
+            def magic
+              42
+            end
+          end
+
+          mock_app do
+            namespace '/foo' do
+              helpers mixin
+              send verb, '/bar' do
+                magic.to_s
+              end
+            end
+
+            send verb, '/' do
+              magic.to_s
+            end
+          end
+
+          proc { send verb, '/' }.should raise_error(NameError)
+        end
+
+        it "allows accessing helpers defined outside the namespace" do
+          mock_app do
+            helpers do
+              def magic
+                42
+              end
+            end
+
+            namespace '/foo' do
+              send verb, '/bar' do
+                magic.to_s
+              end
+            end
+          end
+
+          send(verb, '/foo/bar').should be_ok
+          body.should == '42' unless verb == :head
+        end
+
+        it "allows calling super in helpers overwritten inside a namespace" do
+          mock_app do
+            helpers do
+              def magic
+                42
+              end
+            end
+
+            namespace '/foo' do
+              def magic
+                super - 19
+              end
+
+              send verb, '/bar' do
+                magic.to_s
+              end
+            end
+          end
+
+          send(verb, '/foo/bar').should be_ok
+          body.should == '23' unless verb == :head
+        end
+      end
+
+      describe 'nesting' do
+        it 'routes to nested namespaces' do
+          namespace '/foo' do
+            namespace '/bar' do
+              send(verb, '/baz') { 'OKAY!!11!'}
+            end
+          end
+
+          send(verb, '/foo/bar/baz').should be_ok
+          body.should == 'OKAY!!11!' unless verb == :head
+        end
+
+        it 'exposes helpers to nested namespaces' do
+          namespace '/foo' do
+            helpers do
+              def magic
+                42
+              end
+            end
+
+            namespace '/bar' do
+              send verb, '/baz' do
+                magic.to_s
+              end
+            end
+          end
+
+          send(verb, '/foo/bar/baz').should be_ok
+          body.should == '42' unless verb == :head
+        end
+
+        it 'does not use helpers of nested namespaces outside that namespace' do
+          namespace '/foo' do
+            namespace '/bar' do
+              def magic
+                42
+              end
+
+              send verb, '/baz' do
+                magic.to_s
+              end
+            end
+
+            send verb do
+              magic.to_s
+            end
+          end
+
+          proc { send verb, '/foo' }.should raise_error(NameError)
+        end
+
+        it 'sets params correctly' do
+          namespace('/:a') { namespace('/:b') { send(verb) { params[:a] }}}
+          send(verb, '/foo/bar').should be_ok
+          body.should ==  'foo' unless verb == :head
+        end
+      end
+
+      describe 'error handlers' do
+        it "should allow custom error handlers with not found" do
+          namespace('/de') do
+            not_found { 'nicht gefunden' }
+          end
+          send(verb, '/foo').status.should == 404
+          last_response.body.should_not    == 'nicht gefunden' unless verb == :head
+          get('/en/foo').status.should     == 404
+          last_response.body.should_not    == 'nicht gefunden' unless verb == :head
+          get('/de/foo').status.should     == 404
+          last_response.body.should        == 'nicht gefunden' unless verb == :head
+        end
+
+        it "should allow custom error handlers with error" do
+          namespace('/de') do
+            error(404) { 'nicht gefunden' }
+          end
+          send(verb, '/foo').status.should == 404
+          last_response.body.should_not    == 'nicht gefunden' unless verb == :head
+          get('/en/foo').status.should     == 404
+          last_response.body.should_not    == 'nicht gefunden' unless verb == :head
+          get('/de/foo').status.should     == 404
+          last_response.body.should        == 'nicht gefunden' unless verb == :head
+        end
+      end
+
+      describe 'templates' do
+        it "allows to define nested templates"
+        it "allows to define nested layouts"
+        it "allows setting a different views directory"
+      end
+
+      describe 'extensions' do
+        it 'allows read access to settings' do
+          value = nil
+          mock_app do
+            set :foo, 42
+            namespace '/foo' do
+              value = foo
+            end
+          end
+          value.should == 42
+        end
+
+        it 'allows registering extensions for a namespace only' do
+          a = b = nil
+          extension = Module.new { define_method(:views) { "CUSTOM!!!" } }
+          mock_app do
+            namespace '/' do
+              register extension
+              a = views
+            end
+            b = views
+          end
+          a.should == 'CUSTOM!!!'
+          b.should_not == 'CUSTOM!!!'
+        end
+
+        it 'triggers route_added hook' do
+          route = nil
+          extension = Module.new
+          extension.singleton_class.class_eval do
+            define_method(:route_added) { |*r| route = r }
+          end
+          mock_app do
+            namespace '/f' do
+              register extension
+              get('oo') { }
+            end
+            get('/bar') { }
+          end
+          route[1].should == '/foo'
+        end
+
+        it 'prevents changing app global settings' do
+          proc { namespace('/') { set :foo, :bar }}.should raise_error
+        end
+      end
+    end
+  end
+end
diff --git a/sinatra-contrib/spec/respond_with/bar.erb b/sinatra-contrib/spec/respond_with/bar.erb
new file mode 100644
index 00000000..b4978795
--- /dev/null
+++ b/sinatra-contrib/spec/respond_with/bar.erb
@@ -0,0 +1 @@
+Girl! I wanna take you to a ... bar!
\ No newline at end of file
diff --git a/sinatra-contrib/spec/respond_with/bar.json.erb b/sinatra-contrib/spec/respond_with/bar.json.erb
new file mode 100644
index 00000000..37f123d0
--- /dev/null
+++ b/sinatra-contrib/spec/respond_with/bar.json.erb
@@ -0,0 +1 @@
+json!
\ No newline at end of file
diff --git a/sinatra-contrib/spec/respond_with/foo.html.erb b/sinatra-contrib/spec/respond_with/foo.html.erb
new file mode 100644
index 00000000..534038b0
--- /dev/null
+++ b/sinatra-contrib/spec/respond_with/foo.html.erb
@@ -0,0 +1 @@
+Hello <%= name %>!
\ No newline at end of file
diff --git a/sinatra-contrib/spec/respond_with/not_html.sass b/sinatra-contrib/spec/respond_with/not_html.sass
new file mode 100644
index 00000000..50f8864f
--- /dev/null
+++ b/sinatra-contrib/spec/respond_with/not_html.sass
@@ -0,0 +1,2 @@
+body
+  color: red
diff --git a/sinatra-contrib/spec/respond_with_spec.rb b/sinatra-contrib/spec/respond_with_spec.rb
new file mode 100644
index 00000000..e00f060a
--- /dev/null
+++ b/sinatra-contrib/spec/respond_with_spec.rb
@@ -0,0 +1,280 @@
+require 'backports'
+require_relative 'spec_helper'
+
+describe Sinatra::RespondWith do
+  def provides(*args)
+    @provides = args
+  end
+
+  def respond_app(&block)
+    types = @provides
+    mock_app do
+      set :app_file, __FILE__
+      set :views, root + '/respond_with'
+      register Sinatra::RespondWith
+      respond_to(*types) if types
+      class_eval(&block)
+    end
+  end
+
+  def respond_to(*args, &block)
+    respond_app { get('/') { respond_to(*args, &block) } }
+  end
+
+  def respond_with(*args, &block)
+    respond_app { get('/') { respond_with(*args, &block) } }
+  end
+
+  def req(*types)
+    p = types.shift if types.first.is_a? String and types.first.start_with? '/'
+    accept = types.map { |t| Sinatra::Base.mime_type(t).to_s }.join ','
+    get (p || '/'), {}, 'HTTP_ACCEPT' => accept
+  end
+
+  describe "Helpers#respond_to" do
+    it 'allows defining handlers by file extensions' do
+      respond_to do |format|
+        format.html { "html!" }
+        format.json { "json!" }
+      end
+
+      req(:html).body.should == "html!"
+      req(:json).body.should == "json!"
+    end
+
+    it 'respects quality' do
+      respond_to do |format|
+        format.html { "html!" }
+        format.json { "json!" }
+      end
+
+      req("text/html;q=0.7, application/json;q=0.3").body.should == "html!"
+      req("text/html;q=0.3, application/json;q=0.7").body.should == "json!"
+    end
+
+    it 'allows using mime types' do
+      respond_to do |format|
+        format.on('text/html') { "html!" }
+        format.json { "json!" }
+      end
+
+      req(:html).body.should == "html!"
+    end
+
+    it 'allows using wildcards in format matchers' do
+      respond_to do |format|
+        format.on('text/*') { "text!" }
+        format.json { "json!" }
+      end
+
+      req(:html).body.should == "text!"
+    end
+
+    it 'allows using catch all wildcards in format matchers' do
+      respond_to do |format|
+        format.on('*/*') { "anything!" }
+        format.json { "json!" }
+      end
+
+      req(:html).body.should == "anything!"
+    end
+
+    it 'prefers concret over generic' do
+      respond_to do |format|
+        format.on('text/*') { "text!" }
+        format.on('*/*') { "anything!" }
+        format.json { "json!" }
+      end
+
+      req(:json).body.should == "json!"
+      req(:html).body.should == "text!"
+    end
+
+    it 'does not set up default handlers' do
+      respond_to
+      req.should_not be_ok
+      status.should == 406
+    end
+  end
+
+  describe "Helpers#respond_with" do
+    describe "matching" do
+      it 'allows defining handlers by file extensions' do
+        respond_with(:ignore) do |format|
+          format.html { "html!" }
+          format.json { "json!" }
+        end
+
+        req(:html).body.should == "html!"
+        req(:json).body.should == "json!"
+      end
+
+      it 'respects quality' do
+        respond_with(:ignore) do |format|
+          format.html { "html!" }
+          format.json { "json!" }
+        end
+
+        req("text/html;q=0.7, application/json;q=0.3").body.should == "html!"
+        req("text/html;q=0.3, application/json;q=0.7").body.should == "json!"
+      end
+
+      it 'allows using mime types' do
+        respond_with(:ignore) do |format|
+          format.on('text/html') { "html!" }
+          format.json { "json!" }
+        end
+
+        req(:html).body.should == "html!"
+      end
+
+      it 'allows using wildcards in format matchers' do
+        respond_with(:ignore) do |format|
+          format.on('text/*') { "text!" }
+          format.json { "json!" }
+        end
+
+        req(:html).body.should == "text!"
+      end
+
+      it 'allows using catch all wildcards in format matchers' do
+        respond_with(:ignore) do |format|
+          format.on('*/*') { "anything!" }
+          format.json { "json!" }
+        end
+
+        req(:html).body.should == "anything!"
+      end
+
+      it 'prefers concret over generic' do
+        respond_with(:ignore) do |format|
+          format.on('text/*') { "text!" }
+          format.on('*/*') { "anything!" }
+          format.json { "json!" }
+        end
+
+        req(:json).body.should == "json!"
+        req(:html).body.should == "text!"
+      end
+    end
+
+    describe "default behavior" do
+      it 'converts objects to json out of the box' do
+        respond_with 'a' => 'b'
+        req(:json).body.should == {'a' => 'b'}.to_json
+      end
+
+      it 'handles multiple routes correctly' do
+        respond_app do
+          get('/') { respond_with 'a' => 'b' }
+          get('/:name') { respond_with 'a' => params[:name] }
+        end
+        req('/',  :json).body.should == {'a' => 'b'}.to_json
+        req('/b', :json).body.should == {'a' => 'b'}.to_json
+        req('/c', :json).body.should == {'a' => 'c'}.to_json
+      end
+
+      it "calls to_EXT if available" do
+        respond_with Struct.new(:to_pdf).new("hello")
+        req(:pdf).body.should == "hello"
+      end
+
+      it 'results in a 406 if format cannot be produced' do
+        respond_with({})
+        req(:html).should_not be_ok
+        status.should == 406
+      end
+    end
+
+    describe 'templates' do
+      it 'looks for templates with name.target.engine' do
+        respond_with :foo, :name => 'World'
+        req(:html).should be_ok
+        body.should == "Hello World!"
+      end
+
+      it 'looks for templates with name.engine for specific engines' do
+        respond_with :bar
+        req(:html).should be_ok
+        body.should == "Girl! I wanna take you to a ... bar!"
+      end
+
+      it 'does not use name.engine for engines producing other formats' do
+        respond_with :not_html
+        req(:html).should_not be_ok
+        status.should == 406
+        body.should be_empty
+      end
+
+      it 'falls back to to_EXT if no template is found' do
+        respond_with :foo, :name => 'World'
+        req(:json).should be_ok
+        body.should == {:name => 'World'}.to_json
+      end
+
+      it 'favors templates over to_EXT' do
+        respond_with :bar, :name => 'World'
+        req(:json).should be_ok
+        body.should == 'json!'
+      end
+    end
+
+    describe 'customizing' do
+      it 'allows customizing' do
+        respond_with(:foo, :name => 'World') { |f| f.html { 'html!' }}
+        req(:html).should be_ok
+        body.should == "html!"
+      end
+
+      it 'falls back to default behavior if none matches' do
+        respond_with(:foo, :name => 'World') { |f| f.json { 'json!' }}
+        req(:html).should be_ok
+        body.should == "Hello World!"
+      end
+
+      it 'favors generic rule over default behavior' do
+        respond_with(:foo, :name => 'World') { |f| f.on('*/*') { 'generic!' }}
+        req(:html).should be_ok
+        body.should == "generic!"
+      end
+    end
+  end
+
+  describe :respond_to do
+    it 'acts as global provides condition' do
+      respond_app do
+        respond_to :json, :html
+        get('/a') { 'ok' }
+        get('/b') { 'ok' }
+      end
+
+      req('/b', :xml).should_not be_ok
+      req('/b', :html).should be_ok
+    end
+
+    it 'still allows provides' do
+      respond_app do
+        respond_to :json, :html
+        get('/a') { 'ok' }
+        get('/b', :provides => :json) { 'ok' }
+      end
+
+      req('/b', :html).should_not be_ok
+      req('/b', :json).should be_ok
+    end
+
+    it 'plays well with namespaces' do
+      respond_app do
+        register Sinatra::Namespace
+        namespace '/a' do
+          respond_to :json
+          get { 'json' }
+        end
+        get('/b') { 'anything' }
+      end
+
+      req('/a', :html).should_not be_ok
+      req('/b', :html).should be_ok
+    end
+  end
+end
diff --git a/sinatra-contrib/spec/spec_helper.rb b/sinatra-contrib/spec/spec_helper.rb
new file mode 100644
index 00000000..cfd75b6d
--- /dev/null
+++ b/sinatra-contrib/spec/spec_helper.rb
@@ -0,0 +1,6 @@
+require 'sinatra/contrib'
+
+RSpec.configure do |config|
+  config.expect_with :rspec, :stdlib
+  config.include Sinatra::TestHelpers
+end