def test_next(self): stack = Stack() stack_node = stack.StackNode(1) next_stack_node = stack.StackNode(2) self.assertEqual(stack_node.get_next(), None) stack_node.set_next(next_stack_node) self.assertEqual(stack_node.get_next(), next_stack_node) self.assertEqual(next_stack_node.get_next(), None)
def test_init(self): stack = Stack() stack_node = stack.StackNode(3) self.assertEqual(stack_node._StackNode__content, 3)
def test_content(self): stack = Stack() stack_node = stack.StackNode(1) self.assertEqual(stack_node.get_content(), 1)