Escape quoted values in headers for cURL

Closes #101

lib/rspec_api_documentation/curl.rb

@@ -55,7 +55,8 @@ def post_data
     private
     def format_header(header, value)
       formatted_header = header.gsub(/^HTTP_/, '').titleize.split.join("-")
-      "#{formatted_header}: #{value}"
+      formatted_value = value.gsub(/"/, "\\\"")
+      "#{formatted_header}: #{formatted_value}"
     end
   end
 end

spec/curl_spec.rb

@@ -9,14 +9,21 @@
     let(:method) { "POST" }
     let(:path) { "/orders" }
     let(:data) { "order%5Bsize%5D=large&order%5Btype%5D=cart" }
-    let(:headers) { {"HTTP_ACCEPT" => "application/json", "HTTP_X_HEADER" => "header"} }
+    let(:headers) do
+      {
+        "HTTP_ACCEPT" => "application/json",
+        "HTTP_X_HEADER" => "header",
+        "HTTP_AUTHORIZATION" => %{Token token="mytoken"}
+      }
+    end
 
     it { should =~ /^curl/ }
     it { should =~ /http:\/\/example\.com\/orders/ }
     it { should =~ /-d 'order%5Bsize%5D=large&order%5Btype%5D=cart'/ }
     it { should =~ /-X POST/ }
     it { should =~ /-H "Accept: application\/json"/ }
     it { should =~ /-H "X-Header: header"/ }
+    it { should =~ /-H "Authorization: Token token=\\"mytoken\\""/ }
 
     it "should call post" do
       curl.should_receive(:post)