310 lines
12 KiB
Python
310 lines
12 KiB
Python
# Copyright 2016 Canonical Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from unittest import mock
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from functools import wraps
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import json
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from unit_tests.test_utils import CharmTestCase
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with mock.patch('charmhelpers.core.hookenv.cached') as cached:
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with mock.patch('os.getenv'):
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def passthrough(func):
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@wraps(func)
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def wrapper(*args, **kwargs):
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return func(*args, **kwargs)
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wrapper._wrapped = func
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return wrapper
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cached.side_effect = passthrough
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import actions
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class RabbitActionTestCase(CharmTestCase):
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def setUp(self, patches):
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rmq_patches = ["_run_atstart", "_run_atexit"]
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rmq_patches.extend(patches)
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super().setUp(actions, rmq_patches)
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class PauseTestCase(RabbitActionTestCase):
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def setUp(self):
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super().setUp(["pause_unit_helper", "ConfigRenderer", "CONFIG_FILES"])
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self.ConfigRenderer.return_value = 'test-config'
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def test_pauses_services(self):
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actions.pause([])
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self.pause_unit_helper.assert_called_once_with('test-config')
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class ResumeTestCase(CharmTestCase):
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def setUp(self):
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super(ResumeTestCase, self).setUp(
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actions, ["resume_unit_helper", "ConfigRenderer", "CONFIG_FILES"])
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self.ConfigRenderer.return_value = 'test-config'
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def test_pauses_services(self):
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actions.resume([])
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self.resume_unit_helper.assert_called_once_with('test-config')
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class ClusterStatusTestCase(CharmTestCase):
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def setUp(self):
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super(ClusterStatusTestCase, self).setUp(
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actions, ["check_output", "action_set", "action_fail",
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"rabbitmq_version_newer_or_equal"])
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def test_cluster_status_json(self):
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self.rabbitmq_version_newer_or_equal.return_value = True
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self.check_output.return_value = json.dumps({"Status":
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"Cluster status OK"})
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actions.cluster_status([])
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self.check_output.assert_called_once_with(['rabbitmqctl',
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'cluster_status',
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'--formatter', 'json'],
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universal_newlines=True)
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self.action_set.assert_called()
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def test_cluster_status_exception_json(self):
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self.rabbitmq_version_newer_or_equal.return_value = True
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self.check_output.side_effect = actions.CalledProcessError(1,
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"Failure")
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actions.cluster_status([])
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self.check_output.assert_called_once_with(['rabbitmqctl',
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'cluster_status',
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'--formatter', 'json'],
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universal_newlines=True)
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self.action_set.assert_called()
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self.action_fail.assert_called()
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def test_cluster_status(self):
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self.rabbitmq_version_newer_or_equal.return_value = False
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self.check_output.return_value = b'Cluster status OK'
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actions.cluster_status([])
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self.check_output.assert_called_once_with(['rabbitmqctl',
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'cluster_status'],
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universal_newlines=True)
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self.action_set.assert_called()
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def test_cluster_status_exception(self):
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self.rabbitmq_version_newer_or_equal.return_value = False
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self.check_output.side_effect = actions.CalledProcessError(1,
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"Failure")
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actions.cluster_status([])
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self.check_output.assert_called_once_with(['rabbitmqctl',
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'cluster_status'],
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universal_newlines=True)
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self.action_set.assert_called()
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self.action_fail.assert_called()
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class CheckQueuesTestCase(CharmTestCase):
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TEST_QUEUE_RESULTS = [
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b'Listing queues ...\ntest\t0\ntest\t0\n',
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b'name\tmessage\ntest\t0\ntest\t0\n',
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]
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def dummy_action_get(self, key):
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action_values = {"queue-depth": -1, "vhost": "/"}
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return action_values[key]
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def setUp(self):
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super(CheckQueuesTestCase, self).setUp(
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actions, ["check_output", "action_set", "action_fail",
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"ConfigRenderer", "action_get"])
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def test_check_queues(self):
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self.action_get.side_effect = self.dummy_action_get
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for queue_res in self.TEST_QUEUE_RESULTS:
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with self.subTest(queue_res=queue_res):
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self.check_output.return_value = queue_res
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actions.check_queues([])
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self.check_output.assert_called_once_with(
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['rabbitmqctl', 'list_queues', '-q', '-p', '/'],
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)
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self.check_output.reset_mock()
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self.action_set.assert_called_once_with(
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{'outcome': 'Success', 'output': {'test': 0}}
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)
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self.action_set.reset_mock()
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def test_check_queues_execption(self):
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self.action_get.side_effect = self.dummy_action_get
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self.check_output.side_effect = actions.CalledProcessError(
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1, "Failure"
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)
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actions.check_queues([])
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self.check_output.assert_called_once_with(
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['rabbitmqctl', 'list_queues', '-q', '-p', '/']
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)
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class ListUnconsumedQueuesTestCase(CharmTestCase):
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def setUp(self):
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super(ListUnconsumedQueuesTestCase, self).setUp(
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actions, ["list_vhosts", "vhost_queue_info", "action_set",
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"action_fail"])
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def test_list_unconsumed_queues(self):
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self.list_vhosts.return_value = ['/']
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self.vhost_queue_info.return_value = [
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{'name': 'unconsumed_queue', 'messages': 1, 'consumers': 0},
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{'name': 'consumed_queue', 'messages': 0, 'consumers': 1}]
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actions.list_unconsumed_queues([])
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self.list_vhosts.assert_called()
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self.vhost_queue_info.assert_called_once_with('/')
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calls = [
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mock.call({
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"unconsumed-queues.0":
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'{"vhost": "/", "name": "unconsumed_queue", "messages": 1}'}),
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mock.call({'unconsumed-queue-count': 1})
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]
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self.action_set.assert_has_calls(calls)
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def test_list_multiple_vhosts_unconsumed_queues(self):
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self.list_vhosts.return_value = ['/', 'other_vhost']
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self.vhost_queue_info.return_value = [
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{'name': 'unconsumed_queue', 'messages': 1, 'consumers': 0},
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{'name': 'consumed_queue', 'messages': 0, 'consumers': 1}]
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actions.list_unconsumed_queues([])
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self.list_vhosts.assert_called()
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calls = [
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mock.call({
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"unconsumed-queues.0":
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'{"vhost": "/", "name": "unconsumed_queue", "messages": 1}'}),
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mock.call({
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"unconsumed-queues.1":
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'{"vhost": "other_vhost", "name": "unconsumed_queue", '
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'"messages": 1}'}),
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mock.call({'unconsumed-queue-count': 2})
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]
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self.action_set.assert_has_calls(calls)
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def test_list_unconsumed_queues_no_unconsumed(self):
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self.list_vhosts.return_value = ['/']
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self.vhost_queue_info.return_value = [
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{'name': 'consumed_queue', 'messages': 1, 'consumers': 1},
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{'name': 'consumed_queue2', 'messages': 0, 'consumers': 1}]
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actions.list_unconsumed_queues([])
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self.list_vhosts.assert_called()
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self.vhost_queue_info.assert_called_once_with('/')
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self.action_set.assert_called_once_with({'unconsumed-queue-count': 0})
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def test_list_unconsumed_queues_exception(self):
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self.vhost_queue_info.side_effect = \
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actions.CalledProcessError(1, "Failure")
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self.list_vhosts.return_value = ['/']
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self.vhost_queue_info.return_value = [
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{'name': 'unconsumed_queue', 'messages': 1, 'consumers': 0},
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{'name': 'consumed_queue', 'messages': 0, 'consumers': 1}]
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actions.list_unconsumed_queues([])
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self.list_vhosts.assert_called()
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self.vhost_queue_info.assert_called_once_with('/')
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self.action_set.assert_called()
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self.action_fail.assert_called_once_with(
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"Failed to query RabbitMQ vhost / queues")
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class ForceBootTestCase(CharmTestCase):
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"""Tests for force-boot action.
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"""
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def setUp(self):
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super(ForceBootTestCase, self).setUp(
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actions, ["service_stop", "service_start", "check_output",
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"action_set", "action_fail"])
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def test_force_boot_fail_stop(self):
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self.service_stop.side_effect = \
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actions.CalledProcessError(1, "Failure")
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actions.force_boot([])
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self.service_stop.assert_called()
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self.service_stop.assert_called_once_with('rabbitmq-server')
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self.action_set.assert_called()
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self.action_fail.assert_called_once_with(
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'Failed to stop rabbitmqctl service')
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def test_force_boot_fail(self):
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self.check_output.side_effect = \
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actions.CalledProcessError(1, "Failure")
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actions.force_boot([])
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self.service_stop.assert_called()
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self.check_output.assert_called()
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self.action_set.assert_called()
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self.action_fail.assert_called_once_with(
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'Failed to run rabbitmqctl force_boot')
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def test_force_boot_fail_start(self):
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self.service_start.side_effect = \
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actions.CalledProcessError(1, "Failure")
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actions.force_boot([])
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self.service_start.assert_called()
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self.service_start.assert_called_once_with('rabbitmq-server')
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self.action_set.assert_called()
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self.action_fail.assert_called_once_with(
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'Failed to start rabbitmqctl service after force_boot')
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def test_force_boot(self):
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output = 'Forcing boot for Mnesia dir ' \
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'/var/lib/rabbitmq/mnesia/rabbit@juju-f52a8d-rabbitmq-12'
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self.check_output.return_value = output
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actions.force_boot([])
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self.check_output.assert_called()
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self.action_set.assert_called_once_with({'output': output})
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class MainTestCase(RabbitActionTestCase):
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def setUp(self):
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super().setUp(["action_fail", "ConfigRenderer"])
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self.ConfigRenderer.return_value = 'test-config'
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def test_invokes_action(self):
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dummy_calls = []
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def dummy_action(args):
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dummy_calls.append(True)
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with mock.patch.dict(actions.ACTIONS, {"foo": dummy_action}):
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actions.main(["foo"])
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self.assertEqual(dummy_calls, [True])
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def test_unknown_action(self):
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"""Unknown actions aren't a traceback."""
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exit_string = actions.main(["foo"])
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self.assertEqual("Action foo undefined", exit_string)
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def test_failing_action(self):
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"""Actions which traceback trigger action_fail() calls."""
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dummy_calls = []
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self.action_fail.side_effect = dummy_calls.append
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def dummy_action(args):
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raise ValueError("uh oh")
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with mock.patch.dict(actions.ACTIONS, {"foo": dummy_action}):
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actions.main(["foo"])
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self.assertEqual(dummy_calls, ["Action foo failed: uh oh"])
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