from link_list.singly_link import SinglyLinkList def test_singly_link(): link_list = SinglyLinkList() link_list.push(1) link_list.push(2) link_list.push(3) link_list.push(4) assert 4 == link_list.peek() assert 4 == link_list.size assert "4 -> 3 -> 2 -> 1 -> None" == repr(link_list)