Merge pull request #333 from jrafanie/fix_unwrapped_ipv6_host_field_in_request_header

ruby 2+: delegate IPv6 [] wrapping to net/http by passing a URI object.

lib/restclient/request.rb

@@ -172,7 +172,11 @@ module RestClient
 
     def execute & block
       uri = parse_url_with_auth(url)
-      transmit uri, net_http_request_class(method).new(uri.request_uri, processed_headers), payload, & block
+
+      # With 2.0.0+, net/http accepts URI objects in requests and handles wrapping
+      # IPv6 addresses in [] for use in the Host request header.
+      request_uri = RUBY_VERSION >= "2.0.0" ? uri : uri.request_uri
+      transmit uri, net_http_request_class(method).new(request_uri, processed_headers), payload, & block
     ensure
       payload.close if payload
     end

spec/unit/request_spec.rb

@@ -260,6 +260,21 @@ describe RestClient::Request do
     @request.execute
   end
 
+  it "IPv6: executes by constructing the Net::HTTP object, headers, and payload and calling transmit" do
+    @request = RestClient::Request.new(:method => :put, :url => 'http://[::1]/some/resource', :payload => 'payload')
+    klass = double("net:http class")
+    @request.should_receive(:net_http_request_class).with(:put).and_return(klass)
+
+    if RUBY_VERSION >= "2.0.0"
+      klass.should_receive(:new).with(kind_of(URI), kind_of(Hash)).and_return('result')
+    else
+      klass.should_receive(:new).with(kind_of(String), kind_of(Hash)).and_return('result')
+    end
+
+    @request.should_receive(:transmit)
+    @request.execute
+  end
+
   it "transmits the request with Net::HTTP" do
     @http.should_receive(:request).with('req', 'payload')
     @request.should_receive(:process_result)