added tests for randomness fix

helios/tests.py

@@ -569,6 +569,11 @@ class ElectionBlackboxTests(WebTest):
                 'answers_json': utils.to_json([[1]])})
         self.assertContains(response, "answers")
 
+        # parse it as an encrypted vote with randomness, and make sure randomness is there
+        the_ballot = utils.from_json(response.testbody)
+        assert the_ballot['answers'][0].has_key('randomness'), "no randomness"
+        assert len(the_ballot['answers'][0]['randomness']) == 2, "not enough randomness"
+        
         # parse it as an encrypted vote, and re-serialize it
         ballot = datatypes.LDObject.fromDict(utils.from_json(response.testbody), type_hint='legacy/EncryptedVote')
         encrypted_vote = ballot.serialize()