DRY'ing compression spec

Minor refactoring of HTTPResponse extension

lib/extensions/http_success.rb

@@ -5,8 +5,7 @@ module Net
   class HTTPSuccess
 
     def body
-      case self['content-encoding']
-      when 'gzip'
+      if self['content-encoding'] == 'gzip'
         body = StringIO.new(super)
         uncompressed_body = Zlib::GzipReader.new(body)
         uncompressed_body.read

spec/compression_spec.rb

@@ -2,22 +2,29 @@
 
 describe "HTTPSuccess" do
   describe ".body" do
-    it "returns a plain text body if no compression is used in the response" do
-      uri = URI.parse("http://www.example.com")
-      FakeWeb.register_uri(:any, uri, :body => "#{File.dirname(__FILE__)}/support/fakeweb/www.example.com")
-
-      request = Net::HTTP::Get.new(uri.request_uri)
-      response = Net::HTTP.new(uri.host).request(request)
+    def do_request
+      request = Net::HTTP::Get.new(@uri.request_uri)
+      response = Net::HTTP.new(@uri.host).request(request)
       response.body.should match(/These domain names are reserved for use in documentation/)
     end
 
-    it "returns a plain text body if gzip is used in the response" do
-      uri = URI.parse("http://www.example.com")
-      FakeWeb.register_uri(:any, uri, :body => "#{File.dirname(__FILE__)}/support/fakeweb/www.example.com.gz", 'content-encoding' => 'gzip')
+    before do
+      @uri = URI.parse("http://www.example.com")
+    end
 
-      request = Net::HTTP::Get.new(uri.request_uri)
-      response = Net::HTTP.new(uri.host).request(request)
-      response.body.should match(/These domain names are reserved for use in documentation/)
+    it "returns a plain text body if no compression is used in the response" do
+      options = { :body => "#{File.dirname(__FILE__)}/support/fakeweb/www.example.com" }
+      FakeWeb.register_uri(:any, @uri, options)
+      do_request
+    end
+
+    it "returns a plain text body if gzip is used in the response" do
+      options = { 
+        :body => "#{File.dirname(__FILE__)}/support/fakeweb/www.example.com.gz", 
+        'Content-Encoding' => :gzip
+      }
+      FakeWeb.register_uri(:any, @uri, options)
+      do_request
     end
   end
 end