2 files changed, 16 insertions, 5 deletions
diff --git a/activeresource/lib/active_resource/base.rb b/activeresource/lib/active_resource/base.rb
index d959fd103a..daa8962929 100644
--- a/activeresource/lib/active_resource/base.rb
+++ b/activeresource/lib/active_resource/base.rb
@@ -200,7 +200,7 @@ module ActiveResource
   # an ActiveResource::MissingPrefixParam will be raised.
   #
   #  class Comment < ActiveResource::Base
-  #   self.site = "http://someip.com/posts/:post_id/"
+  #    self.site = "http://someip.com/posts/:post_id/"
   #  end
   #
   #  Comment.find(1)
@@ -1095,7 +1095,7 @@ module ActiveResource
     end
 
     # Delegates to id in order to allow two resources of the same type and \id to work with something like:
-    #   [Person.find(1), Person.find(2)] & [Person.find(1), Person.find(4)] # => [Person.find(1)]
+    #   [(a = Person.find 1), (b = Person.find 2)] & [(c = Person.find 1), (d = Person.find 4)] # => [a]
     def hash
       id.hash
     end
diff --git a/activeresource/lib/active_resource/http_mock.rb b/activeresource/lib/active_resource/http_mock.rb
index 9aefde7c30..75649053d0 100644
--- a/activeresource/lib/active_resource/http_mock.rb
+++ b/activeresource/lib/active_resource/http_mock.rb
@@ -60,10 +60,21 @@ module ActiveResource
         # end
         module_eval <<-EOE, __FILE__, __LINE__ + 1
           def #{method}(path, request_headers = {}, body = nil, status = 200, response_headers = {})
-            @responses << [Request.new(:#{method}, path, nil, request_headers), Response.new(body || "", status, response_headers)]
+            request  = Request.new(:#{method}, path, nil, request_headers)
+            response = Response.new(body || "", status, response_headers)
+
+            delete_duplicate_responses(request)
+
+            @responses << [request, response]
           end
         EOE
       end
+
+    private
+
+      def delete_duplicate_responses(request)
+        @responses.delete_if {|r| r[0] == request }
+      end
     end
 
     class << self
@@ -181,11 +192,11 @@ module ActiveResource
         pairs = args.first || {}
         reset! if args.last.class != FalseClass
 
-        delete_responses_to_replace pairs.to_a
-        responses.concat pairs.to_a
         if block_given?
           yield Responder.new(responses)
         else
+          delete_responses_to_replace pairs.to_a
+          responses.concat pairs.to_a
           Responder.new(responses)
         end
       end