Merge pull request #18 from josephruscio/feature/create_invalid_resource

Add #create_invalid_resource

lib/rack-test-rest.rb

@@ -43,6 +43,13 @@ def create_resource(params={})
         last_response.original_headers["Location"]
       end
 
+      # create resource, but expect a 400 - helper for the common case
+      # of testing invalid parameters for creating your resource.
+      #
+      def create_resource_invalid(opts)
+        create_resource({code: 400}.merge(opts))
+      end
+
       def read_resource(params={})
         id = params.delete(:id)
         expected_code = params.delete(:code)
@@ -88,6 +95,13 @@ def update_resource(params={})
         end
       end
 
+      # update resource, but expect a 400 - helper for the common case
+      # of testing invalid parameters for updating your resource.
+      #
+      def update_resource_invalid(opts)
+        update_resource({code: 400}.merge(opts))
+      end
+
       def delete_resource(params={})
         delete "#{resource_uri}/#{params[:id]}#{@rack_test_rest[:extension]}"