making better use of Rack::Request

lib/sinatra.rb

@@ -1,5 +1,6 @@
 require 'rubygems'
 require 'metaid'
+require 'uri'
 
 if ENV['SWIFT']
  require 'swiftcore/swiftiplied_mongrel'
@@ -25,6 +26,26 @@ class Class
   end
 end
 
+module Rack #:nodoc:
+  
+  class Request #:nodoc:
+    
+    def request_method
+      if @env['REQUEST_METHOD'] == 'POST' && %w(PUT DELETE).include?(params['_method'])
+        params['_method'].upcase
+      else
+        @env['REQUEST_METHOD']
+      end
+    end
+    
+    def user_agent
+      env['HTTP_USER_AGENT']
+    end
+    
+  end
+  
+end
+
 module Sinatra
   extend self
 
@@ -96,11 +117,11 @@ module Sinatra
       @pattern = /^#{regex}$/
     end
         
-    def invoke(env)
+    def invoke(request)
       if options[:agent] 
-        return unless env['HTTP_USER_AGENT'] =~ options[:agent]
+        return unless request.user_agent =~ options[:agent]
       end
-      return unless pattern =~ env['PATH_INFO'].squeeze('/')
+      return unless pattern =~ request.path_info.squeeze('/')
       params = param_keys.zip($~.captures.map(&:from_param)).to_hash
       Result.new(block, params, 200)
     end
@@ -115,7 +136,7 @@ module Sinatra
       @code, @block = code, b
     end
     
-    def invoke(env)
+    def invoke(request)
       Result.new(block, {}, 404)
     end
     
@@ -123,9 +144,9 @@ module Sinatra
   
   class Static
             
-    def invoke(env)
+    def invoke(request)
       return unless File.file?(
-        Sinatra.application.options.public + env['PATH_INFO']
+        Sinatra.application.options.public + request.path_info
       )
       Result.new(block, {}, 200)
     end
@@ -133,7 +154,7 @@ module Sinatra
     def block
       Proc.new do
         send_file Sinatra.application.options.public + 
-          request.env['PATH_INFO']
+          request.path_info
       end
     end
     
@@ -479,11 +500,11 @@ module Sinatra
       @static ||= Static.new
     end
     
-    def lookup(env)
-      method = env['REQUEST_METHOD'].downcase.to_sym
-      e = static.invoke(env) 
-      e ||= events[method].eject(&[:invoke, env])
-      e ||= (errors[NotFound]).invoke(env)
+    def lookup(request)
+      method = request.request_method.downcase.to_sym
+      e = static.invoke(request)
+      e ||= events[method].eject(&[:invoke, request])
+      e ||= (errors[NotFound]).invoke(request)
       e
     end
 
@@ -505,9 +526,10 @@ module Sinatra
         
     def call(env)
       reload! if development?
-      result = lookup(env)
+      request = Rack::Request.new(env)
+      result = lookup(request)
       context = EventContext.new(
-        Rack::Request.new(env), 
+        request, 
         Rack::Response.new,
         result.params
       )
@@ -520,9 +542,9 @@ module Sinatra
         body = returned.to_result(context)
       rescue => e
         raise e if options.raise_errors
-        env['sinatra.error'] = e
+        request.env['sinatra.error'] = e
         context.status(500)
-        result = (errors[e.class] || errors[ServerError]).invoke(env)
+        result = (errors[e.class] || errors[ServerError]).invoke(request)
         returned = catch(:halt) do
           [:complete, context.instance_eval(&result.block)]
         end

test/app_test.rb

@@ -72,5 +72,22 @@ context "Sinatra" do
     body.should.equal 'Hello!'
     
   end
+  
+  specify "put'n with POST" do
+    put '/' do
+      'puted'
+    end
+    post_it '/', :_method => 'PUT'
+    assert_equal 'puted', body
+  end
+
+  specify "put'n wth PUT" do
+    put '/' do
+      'puted'
+    end
+    put_it '/'
+    assert_equal 'puted', body
+  end
+  
       
 end

test/application_test.rb

@@ -19,8 +19,10 @@ context "Looking up a request" do
     get '/', &block
     
     result = Sinatra.application.lookup(
-      'REQUEST_METHOD' => 'GET',
-      'PATH_INFO' => '/'
+      Rack::Request.new(
+        'REQUEST_METHOD' => 'GET',
+        'PATH_INFO' => '/'
+      )
     )
     
     result.should.not.be.nil
@@ -32,8 +34,10 @@ context "Looking up a request" do
     get '/:foo', &block
     
     result = Sinatra.application.lookup(
-      'REQUEST_METHOD' => 'GET',
-      'PATH_INFO' => '/bar'
+      Rack::Request.new(
+        'REQUEST_METHOD' => 'GET',
+        'PATH_INFO' => '/bar'
+      )
     )
     
     result.should.not.be.nil

test/events_test.rb

@@ -6,10 +6,10 @@ require 'test/spec'
 context "Simple Events" do
 
   def simple_request_hash(method, path)
-    {
+    Rack::Request.new({
       'REQUEST_METHOD' => method.to_s.upcase,
       'PATH_INFO' => path
-    }
+    })
   end
 
   def invoke_simple(path, request_path, &b)