adding and modifing mpower number checks for uniqe values

Closes #125 (closed)

smash/web/tests/test_SubjectAddForm.py

@@ -62,6 +62,21 @@ class SubjectAddFormTests(TestCase):
         self.assertFalse(validation_status)
         self.assertTrue("nd_number" in form2.errors)
 
+    def test_invalid_mpower_id(self):
+        form_data = self.sample_data
+        form_data['mpower_id'] = "123"
+
+        form = SubjectAddForm(data=form_data, user=self.user)
+        form.is_valid()
+        self.assertTrue(form.is_valid())
+        form.save()
+
+        form_data['screening_number'] = "2"
+        form2 = SubjectAddForm(data=form_data, user=self.user)
+        validation_status = form2.is_valid()
+        self.assertFalse(validation_status)
+        self.assertTrue("mpower_id" in form2.errors)
+
     def test_get_new_screening_number(self):
         prefix = "X-"
         subject = create_subject()