encoding-support related fixes:

- CURLOPT_ENCODING value corrected
- initialization corrected
- specs added to make sure it works properly

lib/typhoeus/easy.rb

@@ -30,7 +30,7 @@ class Easy
       :CURLOPT_PROXY          => 10004,
       :CURLOPT_VERIFYPEER     => 64,
       :CURLOPT_NOBODY         => 44,
-      :CURLOPT_ENCODING       => 102,
+      :CURLOPT_ENCODING       => 10000 + 102,
       :CURLOPT_SSLCERT        => 10025,
       :CURLOPT_SSLCERTTYPE    => 10086,
       :CURLOPT_SSLKEY         => 10087,
@@ -57,7 +57,8 @@ def initialize
       @method = :get
       @headers = {}
 
-      set_option(OPTION_VALUES[:CURLOPT_ENCODING], 'zlib') if supports_zlib?
+      # Enable encoding/compression support
+      set_option(OPTION_VALUES[:CURLOPT_ENCODING], '')
     end
 
     def headers=(hash)

spec/servers/app.rb

@@ -2,6 +2,7 @@
 require 'rubygems'
 require 'sinatra'
 require 'json'
+require 'zlib'
 
 @@fail_count = 0
 get '/fail/:number' do
@@ -48,6 +49,15 @@
   throw(:halt, [401, "Not authorized\n"]) if !is_ntlm_auth
 end
 
+get '/gzipped' do
+  req_env = request.env.to_json
+  z = Zlib::Deflate.new
+  gzipped_env = z.deflate(req_env, Zlib::FINISH)
+  z.close
+  response['Content-Encoding'] = 'gzip'
+  gzipped_env
+end
+
 get '/**' do
   sleep params["delay"].to_i if params.has_key?("delay")
   request.env.merge!(:body => request.body.read).to_json

spec/typhoeus/easy_spec.rb

@@ -232,5 +232,18 @@
       easy.response_code.should == 200
       easy.response_body.should include("this is a body!")
     end
-  end  
+  end
+
+  describe "encoding/compression support" do
+
+    it "should send valid encoding headers and decode the response" do
+      easy = Typhoeus::Easy.new
+      easy.url = "http://localhost:3002/gzipped"
+      easy.method = :get
+      easy.perform
+      easy.response_code.should == 200
+      JSON.parse(easy.response_body)["HTTP_ACCEPT_ENCODING"].should == "deflate, gzip"
+    end
+
+  end
 end