# Copyright 2019 Canonical Ltd
#
# 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

# from x import peers

# import charms_openstack.test_utils as test_utils


# _hook_args = {}


# class TestOVSDBPeers(test_utils.PatchHelper):

#     def setUp(self):
#         super().setUp()
#         self.target = ovsdb.OVSDB('some-relation', [])
#         self._patches = {}
#         self._patches_start = {}

#     def tearDown(self):
#         self.target = None
#         for k, v in self._patches.items():
#             v.stop()
#             setattr(self, k, None)
#         self._patches = None
#         self._patches_start = None

#     def patch_target(self, attr, return_value=None):
#         mocked = mock.patch.object(self.target, attr)
#         self._patches[attr] = mocked
#         started = mocked.start()
#         started.return_value = return_value
#         self._patches_start[attr] = started
#         setattr(self, attr, started)

#     def test_expected_peers_available(self):
#         # self.patch_target('_all_joined_units')
#         self.patch_object(ovsdb.ch_core.hookenv, 'expected_peer_units')
#         self.patch_target('_relations')
#         self.target._all_joined_units = ['aFakeUnit']
#         self.expected_peer_units.return_value = ['aFakeUnit']
#         relation = mock.MagicMock()
#         unit = mock.MagicMock()
#         relation.units.__iter__.return_value = [unit]
#         self._relations.__iter__.return_value = [relation]
#         unit.received.get.return_value = '127.0.0.1'
#         self.assertTrue(self.target.expected_peers_available())
#         unit.received.get.assert_called_once_with('bound-address')
#         unit.received.get.return_value = ''
#         self.assertFalse(self.target.expected_peers_available())
#         self.expected_peer_units.return_value = ['firstFakeUnit',
#                                                  'secondFakeUnit']
#         unit.received.get.return_value = '127.0.0.1'
#         self.assertFalse(self.target.expected_peers_available())

#     def test_joined(self):
#         self.patch_object(ovsdb.reactive, 'set_flag')
#         self.patch_target('publish_cluster_local_addr')
#         self.patch_target('expected_peers_available')
#         self.expected_peers_available.__bool__.return_value = False
#         self.target.joined()
#         self.expected_peers_available.__bool__.assert_called_once_with()
#         self.set_flag.assert_called_once_with('some-relation.connected')
#         self.publish_cluster_local_addr.assert_called_once_with()
#         self.set_flag.reset_mock()
#         self.expected_peers_available.__bool__.return_value = True
#         self.target.joined()
#         self.set_flag.assert_has_calls([
#             mock.call('some-relation.connected'),
#             mock.call('some-relation.available'),
#         ])