handling situation when there is more than one visit available

smash/web/tests/test_RedcapConnector.py

@@ -62,6 +62,15 @@ class TestRedcapConnector(TestCase):
         self.assertIsNotNone(inconsistent_subject.subject)
         self.assertTrue(len(inconsistent_subject.fields))
 
+    def test_get_red_cap_subjects(self):
+        self.prepare_test_redcap_connection()
+        redcap_connection = RedcapConnector()
+        data = redcap_connection.get_red_cap_subjects()
+        nd_numbers = {}
+        for row in data:
+            self.assertIsNone(nd_numbers.get(row.nd_number), "RED Cap subject duplicated: " + row.nd_number)
+            nd_numbers[row.nd_number] = row
+
     def test_create_inconsistent_data_for_date_born(self):
         self.prepare_test_redcap_connection()
         subject = create_subject()