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path: root/designate/tests/unit/test_service_status.py
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# Copyright 2016 Hewlett Packard Enterprise Development Company LP
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# 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
import oslotest.base
from oslo_config import cfg

from designate import objects
from designate import service_status


class NoopEmitterTest(oslotest.base.BaseTestCase):
    def setUp(self):
        super(NoopEmitterTest, self).setUp()
        self.mock_tg = mock.Mock()

    def test_init(self):
        service_status.NoopEmitter("svc", self.mock_tg)

    def test_start(self):
        emitter = service_status.NoopEmitter("svc", self.mock_tg)
        emitter.start()

        self.mock_tg.add_timer.assert_called_once_with(
            10.0, emitter._emit_heartbeat)

    def test_stop(self):
        mock_pulse = mock.Mock()
        self.mock_tg.add_timer.return_value = mock_pulse

        emitter = service_status.NoopEmitter("svc", self.mock_tg)
        emitter.start()
        emitter.stop()

        self.assertFalse(emitter._running)


class RpcEmitterTest(oslotest.base.BaseTestCase):
    def setUp(self):
        super(RpcEmitterTest, self).setUp()
        self.mock_tg = mock.Mock()

    @mock.patch.object(objects, "ServiceStatus")
    @mock.patch("designate.context.DesignateContext.get_admin_context")
    def test_emit_no_status_factory(self, mock_context, mock_service_status):
        emitter = service_status.RpcEmitter("svc", self.mock_tg)
        emitter.start()

        central = mock.Mock()
        with mock.patch("designate.central.rpcapi.CentralAPI.get_instance",
                        return_value=central):
            emitter._emit_heartbeat()

            mock_service_status.assert_called_once_with(
                service_name="svc",
                hostname=cfg.CONF.host,
                status=True,
                stats={},
                capabilities={},
                heartbeated_at=mock.ANY
            )

            central.update_service_status.assert_called_once_with(
                mock_context.return_value, mock_service_status.return_value
            )

    @mock.patch.object(objects, "ServiceStatus")
    @mock.patch("designate.context.DesignateContext.get_admin_context")
    def test_emit_status_factory(self, mock_context, mock_service_status):
        status = False
        stats = {"a": 1}
        capabilities = {"b": 2}

        status_factory = mock.Mock(return_value=(status, stats, capabilities,))
        emitter = service_status.RpcEmitter("svc", self.mock_tg,
                                            status_factory=status_factory)
        emitter.start()

        central = mock.Mock()
        with mock.patch("designate.central.rpcapi.CentralAPI.get_instance",
                        return_value=central):
            emitter._emit_heartbeat()

            mock_service_status.assert_called_once_with(
                service_name="svc",
                hostname=cfg.CONF.host,
                status=status,
                stats=stats,
                capabilities=capabilities,
                heartbeated_at=mock.ANY
            )

            central.update_service_status.assert_called_once_with(
                mock_context.return_value, mock_service_status.return_value
            )