Files
patroni/tests/test_patroni.py
T

107 lines
4.2 KiB
Python

import etcd
import sys
import time
import unittest
from mock import Mock, patch
from patroni.api import RestApiServer
from patroni.async_executor import AsyncExecutor
from patroni.dcs.etcd import Client
from patroni.exceptions import DCSError
from patroni import Patroni, main as _main
from six.moves import BaseHTTPServer
from test_etcd import SleepException, etcd_read, etcd_write
from test_postgresql import Postgresql, psycopg2_connect
class MockFrozenImporter(object):
toc = set(['patroni.dcs.etcd'])
@patch('time.sleep', Mock())
@patch('subprocess.call', Mock(return_value=0))
@patch('psycopg2.connect', psycopg2_connect)
@patch.object(Postgresql, 'write_pg_hba', Mock())
@patch.object(Postgresql, '_write_postgresql_conf', Mock())
@patch.object(Postgresql, 'write_recovery_conf', Mock())
@patch.object(Postgresql, 'is_running', Mock(return_value=True))
@patch.object(BaseHTTPServer.HTTPServer, '__init__', Mock())
@patch.object(AsyncExecutor, 'run', Mock())
@patch.object(etcd.Client, 'write', etcd_write)
@patch.object(etcd.Client, 'read', etcd_read)
class TestPatroni(unittest.TestCase):
@patch('pkgutil.get_importer', Mock(return_value=MockFrozenImporter()))
@patch('sys.frozen', Mock(return_value=True), create=True)
@patch.object(etcd.Client, 'read', etcd_read)
def setUp(self):
RestApiServer._BaseServer__is_shut_down = Mock()
RestApiServer._BaseServer__shutdown_request = True
RestApiServer.socket = 0
with patch.object(Client, 'machines') as mock_machines:
mock_machines.__get__ = Mock(return_value=['http://remotehost:2379'])
sys.argv = ['patroni.py', 'postgres0.yml']
self.p = Patroni()
@patch('patroni.dcs.AbstractDCS.get_cluster', Mock(side_effect=[None, DCSError('foo'), None]))
def test_load_dynamic_configuration(self):
self.p.config._dynamic_configuration = {}
self.p.load_dynamic_configuration()
self.p.load_dynamic_configuration()
@patch('time.sleep', Mock(side_effect=SleepException))
@patch.object(etcd.Client, 'delete', Mock())
@patch.object(Client, 'machines')
def test_patroni_main(self, mock_machines):
with patch('subprocess.call', Mock(return_value=1)):
sys.argv = ['patroni.py', 'postgres0.yml']
mock_machines.__get__ = Mock(return_value=['http://remotehost:2379'])
with patch.object(Patroni, 'run', Mock(side_effect=SleepException)):
self.assertRaises(SleepException, _main)
with patch.object(Patroni, 'run', Mock(side_effect=KeyboardInterrupt())):
_main()
@patch('patroni.config.Config.save_cache', Mock())
@patch('patroni.config.Config.reload_local_configuration', Mock(return_value=True))
def test_run(self):
self.p.sighup_handler()
self.p.ha.dcs.watch = Mock(side_effect=SleepException)
self.p.api.start = Mock()
self.p.config._dynamic_configuration = {}
self.assertRaises(SleepException, self.p.run)
with patch('patroni.config.Config.set_dynamic_configuration', Mock(return_value=True)):
self.assertRaises(SleepException, self.p.run)
with patch('patroni.postgresql.Postgresql.data_directory_empty', Mock(return_value=False)):
self.assertRaises(SleepException, self.p.run)
def test_sigterm_handler(self):
self.assertRaises(SystemExit, self.p.sigterm_handler)
def test_schedule_next_run(self):
self.p.ha.dcs.watch = Mock(return_value=True)
self.p.schedule_next_run()
self.p.next_run = time.time() - self.p.dcs.loop_wait - 1
self.p.schedule_next_run()
def test_noloadbalance(self):
self.p.tags['noloadbalance'] = True
self.assertTrue(self.p.noloadbalance)
def test_nofailover(self):
self.p.tags['nofailover'] = True
self.assertTrue(self.p.nofailover)
self.p.tags['nofailover'] = None
self.assertFalse(self.p.nofailover)
def test_replicatefrom(self):
self.assertIsNone(self.p.replicatefrom)
self.p.tags['replicatefrom'] = 'foo'
self.assertEqual(self.p.replicatefrom, 'foo')
def test_reload_config(self):
self.p.reload_config()
self.p.get_tags = Mock(side_effect=Exception)
self.p.reload_config()