run_in_subprocess works now

features/autograder_xqueue_stubbed.feature

@@ -33,13 +33,13 @@ Feature: Autograder configured to accept student submissions from edX and grade
     Given an XQueue that has submission "hw5_submission.json" in queue
     And has been setup with the config file "conf.yml"
     Then I should receive a grade of "0" for my assignment
-  @require_net_connect
+  #@require_net_connect
   Scenario: student submits a HW3
     #Given I set up a test that requires internet connection
     Given an XQueue that has submission "hw3_submission.json" in queue
     And has been setup with the config file "conf.yml"
     Then I should receive a grade of "100" for my assignment
-  @require_net_connect
+  #@require_net_connect
   Scenario: student submits a HW4
     Given I set up a test that requires internet connection
     Given an XQueue that has submission "hw4_submission.json" in queue

lib/graders/feature_grader/feature_grader.rb

@@ -44,8 +44,8 @@ def log(*args)
     def dump_output
       @comments = @output.join("\n")
     end
-
-    def grade
+    
+    def runner_block
       begin
         load_description
 
@@ -67,6 +67,15 @@ def grade
       end
     end
 
+    def grade
+      response = run_in_subprocess(method(:runner_block))
+      if response
+        response
+      else
+        ERROR_HASH
+      end
+    end
+
     private
 
     def load_description

lib/graders/feature_grader/hw4_grader.rb

@@ -49,8 +49,8 @@ def log(*args)
     def dump_output
       @comments = @output.join("\n")
     end
-
-    def grade
+    
+    def runner_block
       begin
         load_description
 
@@ -108,6 +108,15 @@ def grade
       end
     end
 
+    def grade
+      response = run_in_subprocess(method(:runner_block))
+      if response
+        response
+      else
+        ERROR_HASH
+      end
+    end
+
     private
 
     def load_description