mirror of
https://github.com/outbackdingo/patroni.git
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249 lines
10 KiB
Python
249 lines
10 KiB
Python
import json
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import psycopg2
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import unittest
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from mock import Mock, patch
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from patroni.api import RestApiHandler, RestApiServer
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from patroni.dcs import ClusterConfig, Member
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from six import BytesIO as IO
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from six.moves import BaseHTTPServer
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from test_postgresql import psycopg2_connect, MockCursor
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class MockPostgresql(object):
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name = 'test'
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state = 'running'
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role = 'master'
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server_version = '999999'
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sysid = 'dummysysid'
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scope = 'dummy'
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pending_restart = True
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@staticmethod
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def connection():
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return psycopg2_connect()
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class MockHa(object):
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dcs = Mock()
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state_handler = MockPostgresql()
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@staticmethod
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def schedule_reinitialize():
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return 'reinitialize'
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@staticmethod
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def restart():
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return (True, '')
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@staticmethod
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def restart_scheduled():
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return False
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@staticmethod
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def fetch_nodes_statuses(members):
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return [[None, True, None, None, {}]]
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class MockPatroni(object):
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nap_time = 10
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config = Mock()
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postgresql = MockPostgresql()
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ha = MockHa()
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dcs = Mock()
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tags = {}
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version = '0.00'
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noloadbalance = Mock(return_value=False)
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@staticmethod
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def sighup_handler():
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pass
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class MockRequest(object):
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def __init__(self, request):
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self.request = request.encode('utf-8')
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def makefile(self, *args, **kwargs):
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return IO(self.request)
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class MockRestApiServer(RestApiServer):
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def __init__(self, Handler, request):
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self.socket = 0
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self.serve_forever = Mock()
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BaseHTTPServer.HTTPServer.__init__ = Mock()
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MockRestApiServer._BaseServer__is_shut_down = Mock()
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MockRestApiServer._BaseServer__shutdown_request = True
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config = {'listen': '127.0.0.1:8008', 'auth': 'test:test'}
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super(MockRestApiServer, self).__init__(MockPatroni(), config)
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config['certfile'] = 'dumb'
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self.reload_config(config)
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Handler(MockRequest(request), ('0.0.0.0', 8080), self)
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@patch('ssl.wrap_socket', Mock(return_value=0))
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class TestRestApiHandler(unittest.TestCase):
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_authorization = '\nAuthorization: Basic dGVzdDp0ZXN0'
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def test_do_GET(self):
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MockRestApiServer(RestApiHandler, 'GET /replica')
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with patch.object(RestApiHandler, 'get_postgresql_status', Mock(return_value={})):
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MockRestApiServer(RestApiHandler, 'GET /replica')
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with patch.object(RestApiHandler, 'get_postgresql_status', Mock(return_value={'role': 'master'})):
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MockRestApiServer(RestApiHandler, 'GET /replica')
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MockRestApiServer(RestApiHandler, 'GET /master')
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MockPatroni.dcs.cluster.leader.name = MockPostgresql.name
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MockRestApiServer(RestApiHandler, 'GET /replica')
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MockPatroni.dcs.cluster = None
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with patch.object(RestApiHandler, 'get_postgresql_status', Mock(return_value={'role': 'master'})):
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MockRestApiServer(RestApiHandler, 'GET /master')
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with patch.object(MockHa, 'restart_scheduled', Mock(return_value=True)):
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MockRestApiServer(RestApiHandler, 'GET /master')
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self.assertIsNotNone(MockRestApiServer(RestApiHandler, 'GET /master'))
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def test_do_OPTIONS(self):
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self.assertIsNotNone(MockRestApiServer(RestApiHandler, 'OPTIONS / HTTP/1.0'))
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def test_do_GET_patroni(self):
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self.assertIsNotNone(MockRestApiServer(RestApiHandler, 'GET /patroni'))
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def test_basicauth(self):
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self.assertIsNotNone(MockRestApiServer(RestApiHandler, 'POST /restart HTTP/1.0'))
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MockRestApiServer(RestApiHandler, 'POST /restart HTTP/1.0\nAuthorization:')
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@patch.object(MockPatroni, 'config')
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def test_do_GET_config(self, mock_config):
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mock_config.dynamic_configuration = {}
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self.assertIsNotNone(MockRestApiServer(RestApiHandler, 'GET /config'))
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@patch.object(MockHa, 'dcs')
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def test_do_PATCH_config(self, mock_dcs):
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config = {'postgresql': {'use_slots': False, 'use_pg_rewind': True, 'parameters': {'wal_level': 'logical'}}}
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mock_dcs.get_cluster.return_value.config = ClusterConfig.from_node(1, json.dumps(config))
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request = 'PATCH /config HTTP/1.0' + self._authorization
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self.assertIsNotNone(MockRestApiServer(RestApiHandler, request))
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request += '\nContent-Length: '
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self.assertIsNotNone(MockRestApiServer(RestApiHandler, request + '34\n\n{"postgresql":{"use_slots":false}}'))
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config['ttl'] = 5
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config['postgresql'].update({'use_slots': True, "parameters": None})
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config = json.dumps(config)
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request += str(len(config)) + '\n\n' + config
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MockRestApiServer(RestApiHandler, request)
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mock_dcs.set_config_value.return_value = False
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MockRestApiServer(RestApiHandler, request)
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@patch.object(MockHa, 'dcs')
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def test_do_PUT_config(self, mock_dcs):
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mock_dcs.get_cluster.return_value.config = ClusterConfig.from_node(1, '{}')
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request = 'PUT /config HTTP/1.0' + self._authorization + '\nContent-Length: '
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self.assertIsNotNone(MockRestApiServer(RestApiHandler, request + '2\n\n{}'))
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config = '{"foo": "bar"}'
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request += str(len(config)) + '\n\n' + config
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MockRestApiServer(RestApiHandler, request)
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mock_dcs.set_config_value.return_value = False
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MockRestApiServer(RestApiHandler, request)
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mock_dcs.get_cluster.return_value.config = ClusterConfig.from_node(1, config)
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MockRestApiServer(RestApiHandler, request)
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@patch.object(MockPatroni, 'sighup_handler', Mock(side_effect=Exception))
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def test_do_POST_reload(self):
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with patch.object(MockPatroni, 'config') as mock_config:
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mock_config.reload_local_configuration.return_value = False
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MockRestApiServer(RestApiHandler, 'POST /reload HTTP/1.0' + self._authorization)
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self.assertIsNotNone(MockRestApiServer(RestApiHandler, 'POST /reload HTTP/1.0' + self._authorization))
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def test_do_POST_restart(self):
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request = 'POST /restart HTTP/1.0' + self._authorization
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self.assertIsNotNone(MockRestApiServer(RestApiHandler, request))
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with patch.object(MockHa, 'restart', Mock(side_effect=Exception)):
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MockRestApiServer(RestApiHandler, request)
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@patch.object(MockHa, 'dcs')
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def test_do_POST_reinitialize(self, dcs):
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cluster = dcs.get_cluster.return_value
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request = 'POST /reinitialize HTTP/1.0' + self._authorization
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MockRestApiServer(RestApiHandler, request)
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cluster.is_unlocked.return_value = False
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MockRestApiServer(RestApiHandler, request)
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with patch.object(MockHa, 'schedule_reinitialize', Mock(return_value=None)):
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MockRestApiServer(RestApiHandler, request)
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cluster.leader.name = 'test'
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self.assertIsNotNone(MockRestApiServer(RestApiHandler, request))
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@patch('time.sleep', Mock())
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def test_RestApiServer_query(self):
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with patch.object(MockCursor, 'execute', Mock(side_effect=psycopg2.OperationalError)):
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self.assertIsNotNone(MockRestApiServer(RestApiHandler, 'GET /patroni'))
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with patch.object(MockPostgresql, 'connection', Mock(side_effect=psycopg2.OperationalError)):
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self.assertIsNotNone(MockRestApiServer(RestApiHandler, 'GET /patroni'))
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@patch('time.sleep', Mock())
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@patch.object(MockHa, 'dcs')
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def test_do_POST_failover(self, dcs):
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cluster = dcs.get_cluster.return_value
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post = 'POST /failover HTTP/1.0' + self._authorization + '\nContent-Length: '
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MockRestApiServer(RestApiHandler, post + '7\n\n{"1":2}')
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request = post + '0\n\n'
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MockRestApiServer(RestApiHandler, request)
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cluster.leader.name = 'postgresql1'
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MockRestApiServer(RestApiHandler, request)
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MockRestApiServer(RestApiHandler, post + '25\n\n{"leader": "postgresql1"}')
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cluster.leader.name = 'postgresql2'
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request = post + '53\n\n{"leader": "postgresql1", "candidate": "postgresql2"}'
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MockRestApiServer(RestApiHandler, request)
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cluster.leader.name = 'postgresql1'
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MockRestApiServer(RestApiHandler, request)
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cluster.members = [Member(0, 'postgresql0', 30, {'api_url': 'http'}),
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Member(0, 'postgresql2', 30, {'api_url': 'http'})]
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MockRestApiServer(RestApiHandler, request)
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with patch.object(MockPatroni, 'dcs') as d:
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cluster = d.get_cluster.return_value
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cluster.leader.name = 'postgresql0'
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MockRestApiServer(RestApiHandler, request)
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cluster.leader.name = 'postgresql2'
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MockRestApiServer(RestApiHandler, request)
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cluster.leader.name = 'postgresql1'
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cluster.failover = None
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MockRestApiServer(RestApiHandler, request)
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d.get_cluster = Mock(side_effect=Exception)
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MockRestApiServer(RestApiHandler, request)
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d.manual_failover.return_value = False
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MockRestApiServer(RestApiHandler, request)
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with patch.object(MockHa, 'fetch_nodes_statuses', Mock(return_value=[])):
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MockRestApiServer(RestApiHandler, request)
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# Valid future date
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request = post + '103\n\n{"leader": "postgresql1", "member": "postgresql2",' +\
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' "scheduled_at": "6016-02-15T18:13:30.568224+01:00"}'
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MockRestApiServer(RestApiHandler, request)
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with patch.object(MockPatroni, 'dcs') as d:
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d.manual_failover.return_value = False
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MockRestApiServer(RestApiHandler, request)
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# Exception: No timezone specified
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request = post + '97\n\n{"leader": "postgresql1", "member": "postgresql2",' +\
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' "scheduled_at": "6016-02-15T18:13:30.568224"}'
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MockRestApiServer(RestApiHandler, request)
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# Exception: Scheduled in the past
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request = post + '103\n\n{"leader": "postgresql1", "member": "postgresql2", "scheduled_at": "'
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MockRestApiServer(RestApiHandler, request + '1016-02-15T18:13:30.568224+01:00"}')
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# Invalid date
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self.assertIsNotNone(MockRestApiServer(RestApiHandler, request + '2010-02-29T18:13:30.568224+01:00"}'))
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