#    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 imp

import mock
from oslotest import base as test_base


class DeprecationWarningTest(test_base.BaseTestCase):

    @mock.patch('warnings.warn')
    def test_warning(self, mock_warn):
        import oslo.concurrency
        imp.reload(oslo.concurrency)
        self.assertTrue(mock_warn.called)
        args = mock_warn.call_args
        self.assertIn('oslo_concurrency', args[0][0])
        self.assertIn('deprecated', args[0][0])
        self.assertTrue(issubclass(args[0][1], DeprecationWarning))