def test_merge_sll__when_one_of_lists_is_empty(self):
first_sll = self.payload.get('first_sll')
empty_sll = self.payload.get('empty_sll')
compare_classes_instance = InteractSingleLinkedLists(first_single_linked_list=first_sll, second_single_linked_list=empty_sll)
resulted_sll = compare_classes_instance.merge()
self.assertEqual(resulted_sll.get_length(), first_sll.get_length())
self.assertEqual(resulted_sll.get_string_of_values(), first_sll.get_string_of_values())
def test_merge_sll(self):
first_sll = self.payload.get('first_sll')
second_sll = self.payload.get('second_sll')
compare_classes_instance = InteractSingleLinkedLists(first_single_linked_list=first_sll, second_single_linked_list=second_sll)
resulted_sll = compare_classes_instance.merge()
self.assertEqual(resulted_sll.get_length(), 14)
self.assertEqual(resulted_sll.get_string_of_values(), self.payload.get('resulted_sll_string'))