# 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 logging
import mock

from oslo import messaging
from oslo.messaging.notify import log_handler
from tests.notify import test_notifier
from tests import utils as test_utils


class PublishErrorsHandlerTestCase(test_utils.BaseTestCase):
    """Tests for log.PublishErrorsHandler"""
    def setUp(self):
        super(PublishErrorsHandlerTestCase, self).setUp()
        self.publisherrorshandler = (log_handler.
                                     PublishErrorsHandler(logging.ERROR))

    def test_emit_cfg_log_notifier_in_notifier_drivers(self):
        drivers = ['messaging', 'log']
        self.config(notification_driver=drivers)
        self.stub_flg = True

        transport = test_notifier._FakeTransport(self.conf)
        notifier = messaging.Notifier(transport)

        def fake_notifier(*args, **kwargs):
            self.stub_flg = False

        self.stubs.Set(notifier, 'error', fake_notifier)

        logrecord = logging.LogRecord(name='name', level='WARN',
                                      pathname='/tmp', lineno=1, msg='Message',
                                      args=None, exc_info=None)
        self.publisherrorshandler.emit(logrecord)
        self.assertTrue(self.stub_flg)

    @mock.patch.object(messaging.notify.notifier.Notifier, '_notify')
    def test_emit_notification(self, mock_notify):
        logrecord = logging.LogRecord(name='name', level='ERROR',
                                      pathname='/tmp', lineno=1, msg='Message',
                                      args=None, exc_info=None)
        mock_init = mock.Mock(return_value=None)
        with mock.patch.object(messaging.notify.notifier.Notifier,
                               '__init__', mock_init):
            # Recreate the handler so the __init__ mock takes effect.
            self.publisherrorshandler = (log_handler.
                                         PublishErrorsHandler(logging.ERROR))
            self.publisherrorshandler.emit(logrecord)
            mock_init.assert_called_with(mock.ANY,
                                         publisher_id='error.publisher')
            mock_notify.assert_called_with(None,
                                           'error_notification',
                                           {'error': 'Message'},
                                           'ERROR')
