class TestPostgresql(unittest.TestCase):
def __init__(self, method_name='runTest'):
self.setUp = self.set_up
self.tearDown = self.tear_down
super(TestPostgresql, self).__init__(method_name)
def set_up(self):
subprocess.call = subprocess_call
shutil.copy = nop
self.p = Postgresql({'name': 'test0', 'data_dir': 'data/test0', 'listen': '127.0.0.1, *:5432',
'connect_address': '127.0.0.2:5432',
'pg_hba': ['hostssl all all 0.0.0.0/0 md5', 'host all all 0.0.0.0/0 md5'],
'superuser': {'password': ''}, 'admin': {'username': '******', 'password': '******'},
'replication': {'username': '******',
'password': '******',
'network': '127.0.0.1/32'},
'parameters': {'foo': 'bar'}, 'recovery_conf': {'foo': 'bar'}},
on_change_callback=lambda state: True)
psycopg2.connect = psycopg2_connect
if not os.path.exists(self.p.data_dir):
os.makedirs(self.p.data_dir)
self.leader = Member('leader', 'postgres://*****:*****@127.0.0.1:5434/postgres', None, 28)
def tear_down(self):
shutil.rmtree('data')
def test_data_directory_empty(self):
self.assertTrue(self.p.data_directory_empty())
def test_initialize(self):
self.assertTrue(self.p.initialize())
self.assertTrue(os.path.exists(os.path.join(self.p.data_dir, 'pg_hba.conf')))
def test_start(self):
self.assertFalse(self.p.start())
self.p.is_running = is_running
with open(os.path.join(self.p.data_dir, 'postmaster.pid'), 'w'):
pass
self.assertTrue(self.p.start())
def test_sync_from_leader(self):
self.assertTrue(self.p.sync_from_leader(self.leader))
def test_follow_the_leader(self):
self.p.demote(self.leader)
self.p.follow_the_leader(None)
self.p.demote(self.leader)
self.p.follow_the_leader(self.leader)
self.p.follow_the_leader(Member('leader', 'postgres://*****:*****@127.0.0.1:5435/postgres', None, 28))
def test_create_replication_slots(self):
self.p.start()
me = Member('test0', 'postgres://*****:*****@127.0.0.1:5434/postgres', None, 28)
other = Member('test1', 'postgres://*****:*****@127.0.0.1:5433/postgres', None, 28)
cluster = Cluster(True, self.leader, 0, [me, other, self.leader])
self.p.create_replication_slots(cluster)
def test_query(self):
self.p.query('select 1')
self.assertRaises(psycopg2.InterfaceError, self.p.query, 'InterfaceError')
self.assertRaises(psycopg2.OperationalError, self.p.query, 'blabla')
self.p._connection.closed = 2
self.assertRaises(psycopg2.OperationalError, self.p.query, 'blabla')
self.p._connection.closed = 2
self.p.disconnect = false
self.assertRaises(psycopg2.OperationalError, self.p.query, 'blabla')
def test_is_healthiest_node(self):
leader = Member('leader', 'postgres://*****:*****@127.0.0.1:5435/postgres', None, 28)
me = Member('test0', 'postgres://*****:*****@127.0.0.1:5434/postgres', None, 28)
other = Member('test1', 'postgres://*****:*****@127.0.0.1:5433/postgres', None, 28)
cluster = Cluster(True, leader, 0, [me, other, leader])
self.assertTrue(self.p.is_healthiest_node(cluster))
self.p.is_leader = false
self.assertFalse(self.p.is_healthiest_node(cluster))
self.p.xlog_position = xlog_position
self.assertTrue(self.p.is_healthiest_node(cluster))
self.p.config['maximum_lag_on_failover'] = -2
self.assertFalse(self.p.is_healthiest_node(cluster))
def test_is_leader(self):
self.p.is_promoted = True
self.assertTrue(self.p.is_leader())
self.assertFalse(self.p.is_promoted)
def test_reload(self):
self.assertTrue(self.p.reload())
def test_is_healthy(self):
self.assertTrue(self.p.is_healthy())
self.p.is_running = is_running
self.assertFalse(self.p.is_healthy())
def test_promote(self):
self.assertTrue(self.p.promote())
def test_last_operation(self):
self.assertEquals(self.p.last_operation(), 0)
class TestPostgresql(unittest.TestCase):
def __init__(self, method_name='runTest'):
self.setUp = self.set_up
self.tearDown = self.tear_down
super(TestPostgresql, self).__init__(method_name)
def set_up(self):
subprocess.call = subprocess_call
shutil.copy = nop
self.p = Postgresql({'name': 'test0', 'scope': 'batman', 'data_dir': 'data/test0',
'listen': '127.0.0.1, *:5432', 'connect_address': '127.0.0.2:5432',
'pg_hba': ['hostssl all all 0.0.0.0/0 md5', 'host all all 0.0.0.0/0 md5'],
'superuser': {'password': ''},
'admin': {'username': '******', 'password': '******'},
'replication': {'username': '******',
'password': '******',
'network': '127.0.0.1/32'},
'parameters': {'foo': 'bar'}, 'recovery_conf': {'foo': 'bar'},
'callbacks': {'on_start': 'true', 'on_stop': 'true',
'on_restart': 'true', 'on_role_change': 'true',
'on_reload': 'true'
},
'restore': 'true'})
psycopg2.connect = psycopg2_connect
if not os.path.exists(self.p.data_dir):
os.makedirs(self.p.data_dir)
self.leader = Member(0, 'leader', 'postgres://*****:*****@127.0.0.1:5435/postgres', None, None, 28)
self.other = Member(0, 'test1', 'postgres://*****:*****@127.0.0.1:5433/postgres', None, None, 28)
self.me = Member(0, 'test0', 'postgres://*****:*****@127.0.0.1:5434/postgres', None, None, 28)
def tear_down(self):
shutil.rmtree('data')
def mock_query(self, p):
raise psycopg2.OperationalError("not supported")
def test_data_directory_empty(self):
self.assertTrue(self.p.data_directory_empty())
def test_initialize(self):
self.assertTrue(self.p.initialize())
self.assertTrue(os.path.exists(os.path.join(self.p.data_dir, 'pg_hba.conf')))
def test_start_stop(self):
self.assertFalse(self.p.start())
self.p.is_running = is_running
with open(os.path.join(self.p.data_dir, 'postmaster.pid'), 'w'):
pass
self.assertTrue(self.p.start())
self.assertTrue(self.p.stop())
def test_sync_from_leader(self):
self.assertTrue(self.p.sync_from_leader(self.leader))
def test_follow_the_leader(self):
self.p.demote(self.leader)
self.p.follow_the_leader(None)
self.p.demote(self.leader)
self.p.follow_the_leader(self.leader)
self.p.follow_the_leader(self.other)
def test_create_connection_users(self):
cfg = self.p.config
cfg['superuser']['username'] = '******'
p = Postgresql(cfg)
p.create_connection_users()
def test_create_replication_slots(self):
self.p.start()
cluster = Cluster(True, self.leader, 0, [self.me, self.other, self.leader])
self.p.create_replication_slots(cluster)
def test_query(self):
self.p.query('select 1')
self.assertRaises(psycopg2.InterfaceError, self.p.query, 'InterfaceError')
self.assertRaises(psycopg2.OperationalError, self.p.query, 'blabla')
self.p._connection.closed = 2
self.assertRaises(psycopg2.OperationalError, self.p.query, 'blabla')
self.p._connection.closed = 2
self.p.disconnect = false
self.assertRaises(psycopg2.OperationalError, self.p.query, 'blabla')
def test_is_healthiest_node(self):
cluster = Cluster(True, self.leader, 0, [self.me, self.other, self.leader])
self.assertTrue(self.p.is_healthiest_node(cluster))
self.p.is_leader = false
self.assertFalse(self.p.is_healthiest_node(cluster))
self.p.xlog_position = lambda: 1
self.assertTrue(self.p.is_healthiest_node(cluster))
self.p.xlog_position = lambda: 2
self.assertFalse(self.p.is_healthiest_node(cluster))
self.p.config['maximum_lag_on_failover'] = -2
self.assertFalse(self.p.is_healthiest_node(cluster))
def test_is_leader(self):
self.p.is_promoted = True
self.assertTrue(self.p.is_leader())
self.assertFalse(self.p.is_promoted)
def test_reload(self):
self.assertTrue(self.p.reload())
def test_is_healthy(self):
self.assertTrue(self.p.is_healthy())
self.p.is_running = is_running
self.assertFalse(self.p.is_healthy())
def test_promote(self):
self.assertTrue(self.p.promote())
def test_last_operation(self):
self.assertEquals(self.p.last_operation(), '0')
def test_non_existing_callback(self):
self.assertFalse(self.p.call_nowait('foobar'))
def test_is_leader_exception(self):
self.p.start()
self.p.query = self.mock_query
self.assertTrue(self.p.stop())
