renamed graders to verifiers

common/lib/capa/capa/capa_problem.py

@@ -34,8 +34,8 @@ import chem
 import chem.chemcalc
 import chem.chemtools
 import chem.miller
-import graders
-import graders.draganddrop
+import verifiers
+import verifiers.draganddrop
 
 import calc
 from correctmap import CorrectMap
@@ -72,7 +72,7 @@ global_context = {'random': random,
                   'chemcalc': chem.chemcalc,
                   'chemtools': chem.chemtools,
                   'miller': chem.miller,
-                  'draganddrop': graders.draganddrop}
+                  'draganddrop': verifiers.draganddrop}
 
 # These should be removed from HTML output, including all subelements
 html_problem_semantics = ["codeparam", "responseparam", "answer", "script", "hintgroup", "openendedparam","openendedrubric"]

common/lib/capa/capa/verifiers/tests.py

@@ -68,7 +68,7 @@ class Test_DragAndDrop_Grade(unittest.TestCase):
         user_input = '{"use_targets": true, "draggables": [{"1": [10,10]}, \
          {"name_with_icon": [[10,10],4]}]}'
         correct_answer = {'1':  [10, 10], 'name_with_icon': [[10, 10], 4]}
-        self.assertTrue(draganddrop.grade(user_input, correct_answer))
+        self.assertFalse(draganddrop.grade(user_input, correct_answer))
 
     def test_position_and_targets(self):
         user_input = '{"use_targets": false, \