tests.py 文件源码

def test_min_max(net_str, target_prefix_len, exp_first, exp_last,
                 shoud_fail=False):
    failed = False
    try:
        net = ipaddr.IPNetwork(net_str)

#        assert net_str.lower() == "{}/{}".format(exp_first, net.prefixlen), \
#               ("String representations of original net and first expected "
#                "prefix don't match.")

        min_int, max_int, _ = usres_monitor.get_sre(net, target_prefix_len)
        first = usres_monitor.get_ip_repr(net.version, min_int)
        last = usres_monitor.get_ip_repr(net.version, max_int)

        res = "{}/{}".format(first, target_prefix_len)
        exp = "{}/{}".format(exp_first.lower(), target_prefix_len)
        assert res == exp, \
               ("First expected prefix doesn't match: {} vs {}".format(
                   res, exp)
               )

        res = "{}/{}".format(last, target_prefix_len)
        exp = "{}/{}".format(exp_last.lower(), target_prefix_len)
        assert res == exp, \
               ("Last expected prefix doesn't match: {} vs {}".format(
                   res, exp)
               )

    except AssertionError:
        failed = True
        if shoud_fail:
            pass
        else:
            raise

    assert shoud_fail == failed

    test_outcome("get_sre",
                 "{} in /{}".format(net_str, target_prefix_len),
                 "OK{}".format(" (failed as expected)" if shoud_fail else ""))