/usr/lib/python2.7/dist-packages/neutron_lib/tests/unit/api/validators/test_dns.py is in python-neutron-lib 1.13.0-0ubuntu1.
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# 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.
import mock
from neutron_lib.api.validators import dns
from neutron_lib.db import constants as db_constants
from neutron_lib.tests import _base as base
class TestDnsValidators(base.BaseTestCase):
@mock.patch('oslo_config.cfg.CONF')
def test_validate_dns_name(self, CONF):
CONF.dns_domain = ''
msg = dns.validate_dns_name('')
self.assertIsNone(msg)
CONF.dns_domain = 'example.org.'
dns_name = 'host'
msg = dns.validate_dns_name(dns_name)
self.assertIsNone(msg)
invalid_data = 'A' * 256
max_len = 255
expected = ("'%(data)s' not a valid PQDN or FQDN. Reason: "
"'%(data)s' exceeds the %(maxlen)s character FQDN "
"limit") % {'data': invalid_data, 'maxlen': max_len}
msg = dns.validate_dns_name(invalid_data, max_len)
self.assertEqual(expected, msg)
invalid_data = '.hostname'
expected = ("'%(data)s' not a valid PQDN or FQDN. Reason: "
"Encountered an empty component") % {'data': invalid_data}
msg = dns.validate_dns_name(invalid_data)
self.assertEqual(expected, msg)
invalid_data = 'hostname-'
expected = ("'%(data)s' not a valid PQDN or FQDN. Reason: "
"Name '%(data)s' must not start or end with a "
"hyphen") % {'data': invalid_data}
msg = dns.validate_dns_name(invalid_data)
self.assertEqual(expected, msg)
invalid_data = 'hostname@host'
expected = ("'%(data)s' not a valid PQDN or FQDN. Reason: "
"Name '%(data)s' must be 1-63 characters long, each of "
"which can only be alphanumeric or a "
"hyphen") % {'data': invalid_data}
msg = dns.validate_dns_name(invalid_data)
self.assertEqual(expected, msg)
invalid_suffix = '1234'
invalid_data = 'hostname.' + invalid_suffix
expected = ("'%(data)s' not a valid PQDN or FQDN. Reason: "
"TLD '%(suffix)s' must not be all "
"numeric") % {'data': invalid_data,
'suffix': invalid_suffix}
msg = dns.validate_dns_name(invalid_data)
self.assertEqual(expected, msg)
# len(dns_name + dns_domain) > 255
invalid_domain = 'A' * 250 + '.org.'
CONF.dns_domain = invalid_domain
dns_name = 'hostname'
expected = ("The dns_name passed is a PQDN and its size is "
"'%(dns_name_len)s'. The dns_domain option in "
"neutron.conf is set to %(dns_domain)s, with a "
"length of '%(higher_labels_len)s'. When the two are "
"concatenated to form a FQDN (with a '.' at the end), "
"the resulting length exceeds the maximum size "
"of '%(fqdn_max_len)s'"
) % {'dns_name_len': len(dns_name),
'dns_domain': invalid_domain,
'higher_labels_len': len(invalid_domain) + 1,
'fqdn_max_len': db_constants.FQDN_FIELD_SIZE}
msg = dns.validate_dns_name(dns_name)
self.assertEqual(expected, msg)
dns_name = 'host.'
dns_domain = 'example.com.'
CONF.dns_domain = dns_domain
expected = ("The dns_name passed is a FQDN. Its higher level labels "
"must be equal to the dns_domain option in neutron.conf, "
"that has been set to '%(dns_domain)s'. It must also "
"include one or more valid DNS labels to the left "
"of '%(dns_domain)s'") % {'dns_domain': dns_domain}
msg = dns.validate_dns_name(dns_name)
self.assertEqual(expected, msg)
def test_validate_fip_dns_name(self):
# Don't run tests duplicated to validate_dns_name()
msg = dns.validate_fip_dns_name('')
self.assertIsNone(msg)
msg = dns.validate_fip_dns_name('host')
self.assertIsNone(msg)
invalid_data = 1234
expected = "'%s' is not a valid string" % invalid_data
msg = dns.validate_fip_dns_name(invalid_data)
self.assertEqual(expected, msg)
invalid_data = 'host.'
expected = ("'%s' is a FQDN. It should be a relative domain "
"name") % invalid_data
msg = dns.validate_fip_dns_name(invalid_data)
self.assertEqual(expected, msg)
length = 10
invalid_data = 'a' * length
max_len = 12
expected = ("'%(data)s' contains %(length)s characters. Adding a "
"domain name will cause it to exceed the maximum length "
"of a FQDN of '%(max_len)s'") % {"data": invalid_data,
"length": length,
"max_len": max_len}
msg = dns.validate_fip_dns_name(invalid_data, max_len)
self.assertEqual(expected, msg)
def test_validate_dns_domain(self):
# Don't run tests duplicated to validate_dns_name()
msg = dns.validate_dns_domain('')
self.assertIsNone(msg)
msg = dns.validate_dns_domain('example.com.')
self.assertIsNone(msg)
invalid_data = 1234
expected = "'%s' is not a valid string" % invalid_data
msg = dns.validate_dns_domain(invalid_data)
self.assertEqual(expected, msg)
invalid_data = 'example.com'
expected = "'%s' is not a FQDN" % invalid_data
msg = dns.validate_dns_domain(invalid_data)
self.assertEqual(expected, msg)
length = 9
invalid_data = 'a' * length + '.'
max_len = 11
expected = ("'%(data)s' contains %(length)s characters. Adding a "
"sub-domain will cause it to exceed the maximum length "
"of a FQDN of '%(max_len)s'") % {"data": invalid_data,
"length": length + 1,
"max_len": max_len}
msg = dns.validate_dns_domain(invalid_data, max_len)
self.assertEqual(expected, msg)
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