Merge pull request jaswope#14 from waterlink/fix-content-length

Add test for content-length

Author: waterlink

spec/rack/reverse_proxy_spec.rb

@@ -119,6 +119,15 @@ def app
       expect(headers["x-additional-info"]).to be_nil
     end
 
+    it "the response header includes content-length" do
+      body = "this is the test body"
+      stub_request(:any, "example.com/test/stuff").to_return(
+        :body => body, :headers => { "Content-Length" => "10" }
+      )
+      get "/test/stuff"
+      expect(last_response.headers["Content-Length"]).to eq(body.length.to_s)
+    end
+
     describe "with non-default port" do
       def app
         Rack::ReverseProxy.new(dummy_app) do