added/fixed support for the timeout option so the documentation in th…

lib/rack/reverse_proxy.rb

@@ -71,6 +71,9 @@ def proxy(env, source_request, matcher)
       # Create a streaming response (the actual network communication is deferred, a.k.a. streamed)
       target_response = HttpStreamingResponse.new(target_request, uri.host, uri.port)
 
+      # pass the timeout configuration through
+      target_response.read_timeout = options[:timeout] if options[:timeout].to_i > 0
+
       target_response.use_ssl = "https" == uri.scheme
 
       # Let rack set the transfer-encoding header

spec/rack/reverse_proxy_spec.rb

@@ -80,6 +80,34 @@ def app
       end
     end
 
+    describe "with timeout configuration" do
+      def app
+        Rack::ReverseProxy.new(dummy_app) do
+          reverse_proxy '/test/slow', 'http://example.com/', {:timeout => 99}
+        end
+      end
+
+      it "should make request with basic auth" do
+        stub_request(:get, "http://example.com/test/slow")
+        Rack::HttpStreamingResponse.any_instance.should_receive(:read_timeout=).with(99)
+        get '/test/slow'
+      end
+    end
+
+    describe "without timeout configuration" do
+      def app
+        Rack::ReverseProxy.new(dummy_app) do
+          reverse_proxy '/test/slow', 'http://example.com/'
+        end
+      end
+
+      it "should make request with basic auth" do
+        stub_request(:get, "http://example.com/test/slow")
+        Rack::HttpStreamingResponse.any_instance.should_not_receive(:read_timeout=)
+        get '/test/slow'
+      end
+    end
+
     describe "with basic auth turned on" do
       def app
         Rack::ReverseProxy.new(dummy_app) do