Drop some 2008-era backwards compatibility.

These constants and methods have been deprecated for 5+ years, and
should no longer be used.

lib/restclient/exceptions.rb

@@ -66,18 +66,6 @@ module RestClient
               511 => 'Network Authentication Required', # RFC6585
   }
 
-  # Compatibility : make the Response act like a Net::HTTPResponse when needed
-  module ResponseForException
-    def method_missing symbol, *args
-      if net_http_res.respond_to? symbol
-        warn "[warning] The response contained in an RestClient::Exception is now a RestClient::Response instead of a Net::HTTPResponse, please update your code"
-        net_http_res.send symbol, *args
-      else
-        super
-      end
-    end
-  end
-
   # This is the base RestClient exception class. Rescue it if you want to
   # catch any exception that your request might raise
   # You can get the status code by e.http_code, or see anything about the
@@ -93,9 +81,6 @@ module RestClient
       @response = response
       @message = nil
       @initial_response_code = initial_response_code
-
-      # compatibility: this make the exception behave like a Net::HTTPResponse
-      response.extend ResponseForException if response
     end
 
     def http_code
@@ -227,10 +212,3 @@ module RestClient
     end
   end
 end
-
-class RestClient::Request
-  # backwards compatibility
-  Redirect = RestClient::Redirect
-  Unauthorized = RestClient::Unauthorized
-  RequestFailed = RestClient::RequestFailed
-end

spec/unit/exceptions_spec.rb

@@ -67,22 +67,8 @@ describe RestClient::ResourceNotFound do
       e.response.should eq response
     end
   end
-end
 
-describe "backwards compatibility" do
-  it "alias RestClient::Request::Redirect to RestClient::Redirect" do
-    RestClient::Request::Redirect.should eq RestClient::Redirect
-  end
-
-  it "alias RestClient::Request::Unauthorized to RestClient::Unauthorized" do
-    RestClient::Request::Unauthorized.should eq RestClient::Unauthorized
-  end
-
-  it "alias RestClient::Request::RequestFailed to RestClient::RequestFailed" do
-    RestClient::Request::RequestFailed.should eq RestClient::RequestFailed
-  end
-
-  it "make the exception's response act like an Net::HTTPResponse" do
+  it 'stores the body on the response of the exception' do
     body = "body"
     stub_request(:get, "www.example.com").to_return(:body => body, :status => 404)
     begin