tobiko/tobiko/common/asserts.py

36 lines
1.3 KiB
Python

# Copyright 2018 Red Hat
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from __future__ import absolute_import
import testtools
import tobiko.common.utils.network as net_utils
from tobiko.common import exceptions
class PingFailed(exceptions.TobikoException,
testtools.TestCase.failureException):
message = "Failed pinging %(destination)r: %(reason)s"
def assert_ping(ip, should_fail=False, fragmentation=True,
packet_size=None):
success = net_utils.ping_ip_address(ip, mtu=packet_size,
fragmentation=fragmentation)
if success:
if should_fail:
raise PingFailed(destination=ip, reason="IP address is reachable")
elif not should_fail:
raise PingFailed(destination=ip, reason="IP address is not reachable")