201 lines
7.7 KiB
Python
201 lines
7.7 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 Knot 2 agent backend
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knotc is not being executed
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"""
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from mock import call
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from oslo_concurrency.processutils import ProcessExecutionError
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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_knot2 import Knot2Backend
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from designate.tests import TestCase
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import designate.backend.agent_backend.impl_knot2 # noqa
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class Knot2AgentBackendBasicUnitTestCase(TestCase):
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def test_init(self):
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kb = Knot2Backend('foo')
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self.assertEqual('knotc', kb._knotc_cmd_name)
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@mock.patch('designate.backend.agent_backend.impl_knot2.execute')
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def test__execute_knotc_ok(self, mock_exe):
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mock_exe.return_value = ('OK', '')
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kb = Knot2Backend('foo')
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kb._execute_knotc('a1', 'a2')
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mock_exe.assert_called_with('knotc', 'a1', 'a2')
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self.assertEqual(1, mock_exe.call_count)
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@mock.patch('designate.backend.agent_backend.impl_knot2.execute')
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def test__execute_knotc_expected_error(self, mock_exe):
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mock_exe.return_value = ('xyz', '')
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kb = Knot2Backend('foo')
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kb._execute_knotc('a1', 'a2', expected_error='xyz')
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mock_exe.assert_called_once_with('knotc', 'a1', 'a2')
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@mock.patch('designate.backend.agent_backend.impl_knot2.execute')
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def test__execute_knotc_expected_output(self, mock_exe):
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mock_exe.return_value = ('xyz', '')
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kb = Knot2Backend('foo')
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kb._execute_knotc('a1', 'a2', expected_output='xyz')
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mock_exe.assert_called_once_with('knotc', 'a1', 'a2')
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@mock.patch('designate.backend.agent_backend.impl_knot2.execute')
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def test__execute_knotc_with_error(self, mock_exe):
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mock_exe.return_value = ('xyz', '')
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kb = Knot2Backend('foo')
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self.assertRaises(
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exceptions.Backend,
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kb._execute_knotc, 'a1', 'a2')
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mock_exe.assert_called_once_with('knotc', 'a1', 'a2')
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@mock.patch('designate.backend.agent_backend.impl_knot2.execute')
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def test__execute_knotc_raising_exception(self, mock_exe):
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mock_exe.side_effect = ProcessExecutionError
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kb = Knot2Backend('foo')
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self.assertRaises(
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exceptions.Backend,
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kb._execute_knotc, 'a1', 'a2')
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mock_exe.assert_called_once_with('knotc', 'a1', 'a2')
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class Knot2AgentBackendUnitTestCase(TestCase):
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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 setUp(self):
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super(Knot2AgentBackendUnitTestCase, self).setUp()
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self.kb = Knot2Backend('foo')
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self.patch_ob(self.kb, '_execute_knotc')
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def tearDown(self):
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super(Knot2AgentBackendUnitTestCase, self).tearDown()
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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_create_zone(self, *mocks):
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zone = self._create_dnspy_zone('example.org')
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self.kb.create_zone(zone)
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self.kb._execute_knotc.assert_has_calls([
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call('conf-begin'),
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call('conf-set', 'zone[example.org]',
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expected_error='duplicate identifier'),
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call('conf-commit'),
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call('zone-refresh', 'example.org')
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])
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def test_create_zone_already_there(self, *mocks):
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self.kb._execute_knotc.return_value = 'duplicate identifier'
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zone = self._create_dnspy_zone('example.org')
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self.kb.create_zone(zone)
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self.kb._execute_knotc.assert_has_calls([
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call('conf-begin'),
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call('conf-set', 'zone[example.org]',
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expected_error='duplicate identifier'),
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call('conf-commit'),
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call('zone-refresh', 'example.org')
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])
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def test__start_minidns_to_knot_axfr(self):
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self.kb._start_minidns_to_knot_axfr('foo')
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self.kb._execute_knotc.assert_called_with('zone-refresh', 'foo')
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@mock.patch('oslo_concurrency.lockutils.lock')
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def test__modify_zone(self, *mocks):
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self.kb._modify_zone('blah', 'bar')
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self.assertEqual(3, self.kb._execute_knotc.call_count)
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self.kb._execute_knotc.assert_called_with('conf-commit')
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@mock.patch('oslo_concurrency.lockutils.lock')
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def test__modify_zone_exception(self, *mocks):
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# Raise an exception during the second call to _execute_knotc
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self.kb._execute_knotc.side_effect = [None, exceptions.Backend, None]
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self.assertRaises(
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exceptions.Backend,
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self.kb._modify_zone, 'blah', 'bar')
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self.assertEqual(3, self.kb._execute_knotc.call_count)
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self.kb._execute_knotc.assert_has_calls([
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call('conf-begin'),
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call('blah', 'bar'),
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call('conf-abort'),
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])
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@mock.patch('designate.backend.agent_backend.impl_knot2.execute')
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def test_find_zone_serial(self, mock_exe):
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mock_exe.return_value = "[example.com.] type: slave | serial: 20 | " \
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"next-event: idle | auto-dnssec: disabled]", ""
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serial = self.kb.find_zone_serial('example.com')
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self.assertEqual(20, serial)
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@mock.patch('designate.backend.agent_backend.impl_knot2.execute')
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def test_find_zone_serial__zone_not_found(self, mock_exe):
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mock_exe.side_effect = ProcessExecutionError(
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"error: [example.com.] (no such zone found)")
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serial = self.kb.find_zone_serial('example.com')
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self.assertIsNone(serial)
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@mock.patch('designate.backend.agent_backend.impl_knot2.execute')
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def test_find_zone_serial_unexpected_output(self, mock_exe):
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mock_exe.return_value = "bogus output", ""
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self.assertRaises(
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exceptions.Backend,
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self.kb.find_zone_serial, 'example.com')
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@mock.patch('designate.backend.agent_backend.impl_knot2.execute')
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def test_find_zone_serial_error(self, mock_exe):
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mock_exe.side_effect = ProcessExecutionError("blah")
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self.assertRaises(
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exceptions.Backend,
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self.kb.find_zone_serial, 'example.com')
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def test_update_zone(self):
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zone = self._create_dnspy_zone('example.org')
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self.kb.update_zone(zone)
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self.kb._execute_knotc.assert_called_once_with(
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'zone-refresh', 'example.org')
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def test_delete_zone(self):
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self.kb.delete_zone('example.org')
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self.kb._execute_knotc.assert_has_calls([
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call('conf-begin'),
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call('conf-unset', 'zone[example.org]',
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expected_error='invalid identifier'),
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call('conf-commit'),
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])
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def test_delete_zone_already_gone(self):
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self.kb._execute_knotc.return_value = 'duplicate identifier'
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self.kb.delete_zone('example.org')
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self.kb._execute_knotc.assert_has_calls([
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call('conf-begin'),
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call('conf-unset', 'zone[example.org]',
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expected_error='invalid identifier'),
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call('conf-commit'),
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])
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