added the check to validate the non-integer input only when the allowance type…

added the check to validate the non-integer input only when the allowance type is addition time granted

edx_proctoring/backends/tests/test_software_secure.py

@@ -144,7 +144,7 @@ class SoftwareSecureTests(TestCase):
             self.assertEqual(attempt['external_id'], 'foobar')
             self.assertIsNone(attempt['started_at'])
 
-    @ddt.data(None, '10')
+    @ddt.data(None, 'additional person allowed in room')
     def test_attempt_with_review_policy(self, review_policy_exception):
         """
         Create an unstarted proctoring attempt with a review policy associated with it.

edx_proctoring/models.py

@@ -712,12 +712,11 @@ class ProctoredExamStudentAllowance(TimeStampedModel):
         if isinstance(key, tuple) and len(key) > 0:
             key = key[0]
 
-        if not value.isdigit():
+        if not cls.is_allowance_value_valid(key, value):
             err_msg = (
                 'allowance_value "{value}" should be non-negative integer value.'
             ).format(value=value)
             raise AllowanceValueNotAllowedException(err_msg)
-
         # were we passed a PK?
         if isinstance(user_info, (int, long)):
             user_id = user_info
@@ -747,6 +746,18 @@ class ProctoredExamStudentAllowance(TimeStampedModel):
             cls.objects.create(proctored_exam_id=exam_id, user_id=user_id, key=key, value=value)
 
     @classmethod
+    def is_allowance_value_valid(cls, allowance_type, allowance_value):
+        """
+        Method that validates the allowance value against the allowance type
+        """
+        # validates the allowance value only when the allowance type is "ADDITIONAL_TIME_GRANTED"
+        if allowance_type in cls.ADDITIONAL_TIME_GRANTED:
+            if not allowance_value.isdigit():
+                return False
+
+        return True
+
+    @classmethod
     def get_additional_time_granted(cls, exam_id, user_id):
         """
         Helper method to get the additional time granted

edx_proctoring/tests/test_api.py

@@ -91,7 +91,7 @@ class ProctoredExamApiTests(LoggedInTestCase):
         self.disabled_content_id = 'test_disabled_content_id'
         self.exam_name = 'Test Exam'
         self.user_id = self.user.id
-        self.key = 'Test Key'
+        self.key = 'additional_time_granted'
         self.value = '10'
         self.external_id = 'test_external_id'
         self.proctored_exam_id = self._create_proctored_exam()

edx_proctoring/tests/test_views.py

@@ -1907,7 +1907,7 @@ class TestExamAllowanceView(LoggedInTestCase):
         allowance_data = {
             'exam_id': proctored_exam.id,
             'user_info': self.student_taking_exam.username,
-            'key': 'a_key',
+            'key': 'additional_time_granted',
             'value': 'invalid_value'
         }
         response = self.client.put(