Дополнительные возможности

pytest.raises

import ipaddress
import pytest


def check_ip(ip):
    if type(ip) != str:
        raise TypeError("Function only works with strings")
    try:
        ipaddress.ip_address(ip)
        return True
    except ValueError:
        return False


def test_check_ip_raises_1():
    with pytest.raises(TypeError):
        check_ip(100)


def test_check_ip_raises_3():
    with pytest.raises(TypeError) as error:
        check_ip(100)
    assert "strings" in str(error.value)


def test_check_ip_raises_4():
    with pytest.raises(TypeError, match="st.+ngs"):
        check_ip(100)