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# Copyright 2015-2016 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""Tests for the DNSResource model."""
__all__ = []
import re
from django.core.exceptions import (
PermissionDenied,
ValidationError,
)
from maasserver.enum import NODE_PERMISSION
from maasserver.models.dnsresource import (
DNSResource,
separate_fqdn,
)
from maasserver.testing.factory import factory
from maasserver.testing.testcase import MAASServerTestCase
from testtools import ExpectedException
from testtools.matchers import MatchesStructure
class TestDNSResourceManagerGetDNSResourceOr404(MAASServerTestCase):
def test__user_view_returns_dnsresource(self):
user = factory.make_User()
dnsresource = factory.make_DNSResource()
self.assertEqual(
dnsresource,
DNSResource.objects.get_dnsresource_or_404(
dnsresource.id, user, NODE_PERMISSION.VIEW))
def test__user_edit_raises_PermissionError(self):
user = factory.make_User()
dnsresource = factory.make_DNSResource()
self.assertRaises(
PermissionDenied,
DNSResource.objects.get_dnsresource_or_404,
dnsresource.id, user, NODE_PERMISSION.EDIT)
def test__user_admin_raises_PermissionError(self):
user = factory.make_User()
dnsresource = factory.make_DNSResource()
self.assertRaises(
PermissionDenied,
DNSResource.objects.get_dnsresource_or_404,
dnsresource.id, user, NODE_PERMISSION.ADMIN)
def test__admin_view_returns_dnsresource(self):
admin = factory.make_admin()
dnsresource = factory.make_DNSResource()
self.assertEqual(
dnsresource,
DNSResource.objects.get_dnsresource_or_404(
dnsresource.id, admin, NODE_PERMISSION.VIEW))
def test__admin_edit_returns_dnsresource(self):
admin = factory.make_admin()
dnsresource = factory.make_DNSResource()
self.assertEqual(
dnsresource,
DNSResource.objects.get_dnsresource_or_404(
dnsresource.id, admin, NODE_PERMISSION.EDIT))
def test__admin_admin_returns_dnsresource(self):
admin = factory.make_admin()
dnsresource = factory.make_DNSResource()
self.assertEqual(
dnsresource,
DNSResource.objects.get_dnsresource_or_404(
dnsresource.id, admin, NODE_PERMISSION.ADMIN))
class TestDNSResourceManager(MAASServerTestCase):
def test__default_specifier_matches_id(self):
factory.make_DNSResource()
dnsresource = factory.make_DNSResource()
factory.make_DNSResource()
id = dnsresource.id
self.assertItemsEqual(
DNSResource.objects.filter_by_specifiers('%s' % id),
[dnsresource]
)
def test__default_specifier_matches_name(self):
factory.make_DNSResource()
name = factory.make_name('dnsresource')
dnsresource = factory.make_DNSResource(name=name)
factory.make_DNSResource()
self.assertItemsEqual(
DNSResource.objects.filter_by_specifiers(name),
[dnsresource]
)
def test__name_specifier_matches_name(self):
factory.make_DNSResource()
name = factory.make_name('dnsresource')
dnsresource = factory.make_DNSResource(name=name)
factory.make_DNSResource()
self.assertItemsEqual(
DNSResource.objects.filter_by_specifiers('name:%s' % name),
[dnsresource]
)
class DNSResourceTest(MAASServerTestCase):
def test_separate_fqdn_splits_srv(self):
self.assertEqual(
("_sip._tcp.voip", "example.com"),
separate_fqdn("_sip._tcp.voip.example.com", 'SRV'))
def test_separate_fqdn_splits_nonsrv(self):
self.assertEqual(
("foo", "test.example.com"),
separate_fqdn("foo.test.example.com", 'A'))
def test_separate_fqdn_returns_atsign_for_top_of_domain(self):
name = "%s.%s.%s" % (
factory.make_name("a"),
factory.make_name("b"),
factory.make_name("c"))
factory.make_Domain(name=name)
self.assertEqual(('@', name), separate_fqdn(name))
def test_separate_fqdn_allows_domain_override(self):
parent = "%s.%s" % (
factory.make_name("b"),
factory.make_name("c"))
label = factory.make_name("a")
name = "%s.%s" % (label, parent)
factory.make_Domain(name=name)
self.assertEqual(
(label, parent), separate_fqdn(name, domainname=parent))
def test_creates_dnsresource(self):
name = factory.make_name('name')
domain = factory.make_Domain()
dnsresource = DNSResource(name=name, domain=domain)
dnsresource.save()
dnsresource_from_db = DNSResource.objects.get(name=name)
self.assertThat(dnsresource_from_db, MatchesStructure.byEquality(
name=name))
def test_allows_atsign(self):
name = '@'
domain = factory.make_Domain()
dnsresource = DNSResource(name=name, domain=domain)
dnsresource.save()
dnsresource_from_db = DNSResource.objects.get(name=name)
self.assertThat(dnsresource_from_db, MatchesStructure.byEquality(
name=name))
def test_fqdn_returns_correctly_for_atsign(self):
name = '@'
domain = factory.make_Domain()
dnsresource = DNSResource(name=name, domain=domain)
dnsresource.save()
sip = factory.make_StaticIPAddress()
dnsresource.ip_addresses.add(sip)
self.assertEqual(domain.name, dnsresource.fqdn)
def test_allows_underscores_without_addresses(self):
name = factory.make_name('n_me')
domain = factory.make_Domain()
dnsresource = DNSResource(name=name, domain=domain)
dnsresource.save()
dnsresource_from_db = DNSResource.objects.get(name=name)
self.assertThat(dnsresource_from_db, MatchesStructure.byEquality(
name=name))
def test_rejects_addresses_if_underscore_in_name(self):
name = factory.make_name('n_me')
domain = factory.make_Domain()
dnsresource = DNSResource(name=name, domain=domain)
dnsresource.save()
sip = factory.make_StaticIPAddress()
dnsresource.ip_addresses.add(sip)
with ExpectedException(
ValidationError,
re.escape(
"{'__all__': ['Invalid dnsresource name: %s." % (
name,
))):
dnsresource.save()
def test_rejects_multiple_dnsresource_with_same_name(self):
name = factory.make_name('name')
domain = factory.make_Domain()
dnsresource = DNSResource(name=name, domain=domain)
dnsresource.save()
dnsresource2 = DNSResource(name=name, domain=domain)
with ExpectedException(
ValidationError,
re.escape(
"{'__all__': "
"['Labels must be unique within their zone.']")):
dnsresource2.save()
def test_invalid_name_raises_exception(self):
with ExpectedException(
ValidationError,
re.escape(
"{'__all__': "
"['Invalid dnsresource name: invalid*name.']")):
factory.make_DNSResource(name='invalid*name')
def test_rejects_address_with_cname(self):
name = factory.make_name('name')
domain = factory.make_Domain()
dnsdata = factory.make_DNSData(
rrtype='CNAME', name=name, domain=domain)
ipaddress = factory.make_StaticIPAddress()
dnsrr = dnsdata.dnsresource
dnsrr.ip_addresses.add(ipaddress)
with ExpectedException(
ValidationError,
re.escape(
"{'__all__': "
"['Cannot add address: CNAME present.']")):
dnsrr.save()
def test_get_addresses_returns_addresses(self):
# Verify that the return includes node addresses, and
# dnsresource-attached addresses.
name = factory.make_name()
domain = factory.make_Domain()
dnsresource = DNSResource(name=name, domain=domain)
dnsresource.save()
subnet = factory.make_Subnet()
node = factory.make_Node_with_Interface_on_Subnet(
subnet=subnet, hostname=name, domain=domain)
sip1 = factory.make_StaticIPAddress()
node.interface_set.first().ip_addresses.add(sip1)
sip2 = factory.make_StaticIPAddress()
dnsresource.ip_addresses.add(sip2)
self.assertItemsEqual(
(sip1.get_ip(), sip2.get_ip()),
dnsresource.get_addresses())
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