def test_add_student__unique_id__exception(self):
repository = Repository()
student_service = StudentService(repository)
student_service.add_student(1, 'Vic Sera', 10, 10)
self.assertRaises(ValidationError, student_service.add_student, 1,
'This Will Crash', 10, 10)
def test_add_student__valid_name__no_exception(self):
repository = Repository()
student_service = StudentService(repository)
student_service.add_student(1, 'Qwe Rty', 10, 10)
self.assertEqual(1, len(repository.get_all_students()))