127 lines
4.6 KiB
Python
127 lines
4.6 KiB
Python
# Copyright 2016 Hewlett Packard Enterprise Development Company LP
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#
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# Author: Federico Ceratto <federico.ceratto@hpe.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Unit-test the Djbdns agent backend
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These tests do not rely on creating directories and files or running
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executables from the djbdns suite
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"""
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import dns.zone
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import fixtures
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import mock
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from designate import exceptions
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from designate.backend.agent_backend.impl_djbdns import DjbdnsBackend
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from designate.tests import TestCase
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import designate.backend.agent_backend.impl_djbdns # noqa
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class DjbdnsAgentBackendUnitTestCase(TestCase):
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def setUp(self):
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super(DjbdnsAgentBackendUnitTestCase, self).setUp()
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self.CONF.set_override('masters', ('127.0.0.1:5354',), 'service:agent')
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self.useFixture(fixtures.MockPatchObject(
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DjbdnsBackend, '_check_dirs'
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))
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self.backend = DjbdnsBackend('foo')
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self.patch_ob(self.backend._resolver, 'query')
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def tearDown(self):
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super(DjbdnsAgentBackendUnitTestCase, self).tearDown()
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def _create_dnspy_zone(self, name):
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zone_text = (
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'$ORIGIN %(name)s\n%(name)s 3600 IN SOA %(ns)s '
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'email.email.com. 1421777854 3600 600 86400 3600\n%(name)s '
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'3600 IN NS %(ns)s\n') % {'name': name, 'ns': 'ns1.designate.com'}
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return dns.zone.from_text(zone_text, check_origin=False)
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def patch_ob(self, *a, **kw):
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self.useFixture(fixtures.MockPatchObject(*a, **kw))
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def test_init(self):
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self.assertTrue(hasattr(self.backend, '_resolver'))
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self.assertEqual(1, self.backend._resolver.timeout)
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self.assertEqual(1, self.backend._resolver.lifetime)
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self.assertEqual(['127.0.0.1'], self.backend._resolver.nameservers)
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self.assertEqual('/var/lib/djbdns/root/data.cdb',
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self.backend._tinydns_cdb_filename)
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self.assertEqual('/var/lib/djbdns/datafiles',
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self.backend._datafiles_dir)
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self.assertEqual('/var/lib/djbdns/datafiles/%s.zonedata',
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self.backend._datafiles_path_tpl)
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self.assertEqual([('127.0.0.1', 5354)], self.backend._masters)
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def test_find_zone_serial(self):
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class Data(object):
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serial = 3
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self.backend._resolver.query.return_value = [Data(), ]
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serial = self.backend.find_zone_serial('example.com')
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self.assertEqual(3, serial)
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def test_find_zone_serial_error(self):
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self.backend._resolver.query.side_effect = RuntimeError('foo')
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serial = self.backend.find_zone_serial('example.com')
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self.assertIsNone(serial)
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@mock.patch('designate.backend.agent_backend.impl_djbdns.execute')
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def test_create_zone(self, mock_exe):
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self.patch_ob(self.backend, '_perform_axfr_from_minidns')
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self.patch_ob(self.backend, '_rebuild_data_cdb')
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zone = self._create_dnspy_zone('example.org')
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self.backend.create_zone(zone)
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def test_update_zone(self):
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self.patch_ob(self.backend, '_perform_axfr_from_minidns')
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self.patch_ob(self.backend, '_rebuild_data_cdb')
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zone = self._create_dnspy_zone('example.org')
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self.backend.update_zone(zone)
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@mock.patch('designate.backend.agent_backend.impl_djbdns.os.remove')
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def test_delete_zone(self, mock_rm):
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self.patch_ob(self.backend, '_rebuild_data_cdb')
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self.backend.delete_zone('foo')
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mock_rm.assert_called_once_with(
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'/var/lib/djbdns/datafiles/foo.zonedata'
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)
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@mock.patch('designate.backend.agent_backend.impl_djbdns.os.remove')
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def test_exception_filter(self, *mocks):
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self.patch_ob(self.backend, '_rebuild_data_cdb')
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self.assertRaises(
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exceptions.Backend,
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self.backend.delete_zone,
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None
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)
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@mock.patch('designate.backend.agent_backend.impl_djbdns.os.remove')
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def test_exception_filter_pass_through(self, mock_rm):
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self.patch_ob(self.backend, '_rebuild_data_cdb')
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mock_rm.side_effect = exceptions.Backend
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self.assertRaises(
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exceptions.Backend,
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self.backend.delete_zone,
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'foo'
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)
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