Files
patroni/tests/test_api.py
T
Feike Steenbergen 1e2fdac891 Scheduled Failover tests
Add tests for the scheduled failover feature, also add more and better tests for patronictl.
2016-02-10 14:19:41 +01:00

192 lines
7.8 KiB
Python

import psycopg2
import unittest
from mock import Mock, patch
from patroni.api import RestApiHandler, RestApiServer
from patroni.dcs import Member
from six import BytesIO as IO
from six.moves import BaseHTTPServer
from six.moves.BaseHTTPServer import BaseHTTPRequestHandler
import socket
from test_postgresql import psycopg2_connect, MockCursor
class MockPostgresql(Mock):
name = 'test'
state = 'running'
role = 'master'
server_version = '999999'
scope = 'dummy'
def connection(self):
return psycopg2_connect()
def is_running(self):
return True
class MockHa(Mock):
dcs = Mock()
state_handler = MockPostgresql()
def schedule_restart(self):
return 'restart'
def schedule_reinitialize(self):
return 'reinitialize'
def restart(self):
return (True, '')
def restart_scheduled(self):
return False
def fetch_nodes_statuses(self, members):
return [[None, True, None, None, {}]]
class MockPatroni:
postgresql = MockPostgresql()
ha = MockHa()
dcs = Mock()
tags = {}
version = '0.00'
class MockRequest:
def __init__(self, path):
self.path = path
def makefile(self, *args, **kwargs):
return IO(self.path)
class MockRestApiServer(RestApiServer):
def __init__(self, Handler, path):
self.socket = 0
BaseHTTPServer.HTTPServer.__init__ = Mock()
MockRestApiServer._BaseServer__is_shut_down = Mock()
MockRestApiServer._BaseServer__shutdown_request = True
config = {'listen': '127.0.0.1:8008', 'auth': 'test:test', 'certfile': 'dumb'}
super(MockRestApiServer, self).__init__(MockPatroni(), config)
Handler(MockRequest(path), ('0.0.0.0', 8080), self)
@patch('ssl.wrap_socket', Mock(return_value=0))
class TestRestApiHandler(unittest.TestCase):
def test_do_GET(self):
MockRestApiServer(RestApiHandler, b'GET /replica')
with patch.object(RestApiHandler, 'get_postgresql_status', Mock(return_value={})):
MockRestApiServer(RestApiHandler, b'GET /replica')
with patch.object(RestApiHandler, 'get_postgresql_status', Mock(return_value={'role': 'master'})):
MockRestApiServer(RestApiHandler, b'GET /replica')
MockRestApiServer(RestApiHandler, b'GET /master')
MockPatroni.dcs.cluster.leader.name = MockPostgresql.name
MockRestApiServer(RestApiHandler, b'GET /replica')
MockPatroni.dcs.cluster = None
with patch.object(RestApiHandler, 'get_postgresql_status', Mock(return_value={'role': 'master'})):
MockRestApiServer(RestApiHandler, b'GET /master')
with patch.object(MockHa, 'restart_scheduled', Mock(return_value=True)):
MockRestApiServer(RestApiHandler, b'GET /master')
MockRestApiServer(RestApiHandler, b'GET /master')
def test_do_OPTIONS(self):
MockRestApiServer(RestApiHandler, b'OPTIONS / HTTP/1.0')
with patch.object(BaseHTTPRequestHandler, 'handle_one_request') as mock_handle_request:
mock_handle_request.side_effect = socket.error("foo")
MockRestApiServer(RestApiHandler, b'OPTIONS / HTTP/1.0')
# make sure socket.error gets propagated via wfile object in finalize()
with patch.object(MockRequest, 'makefile') as makefile:
makefile.return_value.closed = False
makefile.return_value.readline.side_effect = lambda x: b"foo"
makefile.return_value.flush = Mock(side_effect=socket.error("foo"))
MockRestApiServer(RestApiHandler, b'OPTIONS / HTTP/1.0')
def test_do_GET_patroni(self):
MockRestApiServer(RestApiHandler, b'GET /patroni')
def test_basicauth(self):
MockRestApiServer(RestApiHandler, b'POST /restart HTTP/1.0')
MockRestApiServer(RestApiHandler, b'POST /restart HTTP/1.0\nAuthorization:')
def test_do_POST_restart(self):
request = b'POST /restart HTTP/1.0\nAuthorization: Basic dGVzdDp0ZXN0'
MockRestApiServer(RestApiHandler, request)
with patch.object(MockHa, 'restart', Mock(side_effect=Exception)):
MockRestApiServer(RestApiHandler, request)
@patch.object(MockHa, 'dcs')
def test_do_POST_reinitialize(self, dcs):
cluster = dcs.get_cluster.return_value
request = b'POST /reinitialize HTTP/1.0\nAuthorization: Basic dGVzdDp0ZXN0'
MockRestApiServer(RestApiHandler, request)
cluster.is_unlocked.return_value = False
MockRestApiServer(RestApiHandler, request)
with patch.object(MockHa, 'schedule_reinitialize', Mock(return_value=None)):
MockRestApiServer(RestApiHandler, request)
cluster.leader.name = 'test'
MockRestApiServer(RestApiHandler, request)
@patch('time.sleep', Mock())
def test_RestApiServer_query(self):
with patch.object(MockCursor, 'execute', Mock(side_effect=psycopg2.OperationalError)):
MockRestApiServer(RestApiHandler, b'GET /patroni')
with patch.object(MockPostgresql, 'connection', Mock(side_effect=psycopg2.OperationalError)):
MockRestApiServer(RestApiHandler, b'GET /patroni')
@patch('time.sleep', Mock())
@patch.object(MockHa, 'dcs')
def test_do_POST_failover(self, dcs):
cluster = dcs.get_cluster.return_value
request = b'POST /failover HTTP/1.0\nAuthorization: Basic dGVzdDp0ZXN0\n' +\
b'Content-Length: 25\n\n{"leader": "postgresql1"}'
MockRestApiServer(RestApiHandler, request)
cluster.leader.name = 'postgresql1'
MockRestApiServer(RestApiHandler, request)
cluster.members = [Member(0, 'postgresql0', 30, {'api_url': 'http'})]
MockRestApiServer(RestApiHandler, request)
with patch.object(MockPatroni, 'dcs') as d:
cluster = d.get_cluster.return_value
cluster.leader.name = 'postgresql0'
MockRestApiServer(RestApiHandler, request)
cluster.leader.name = 'postgresql1'
cluster.failover = None
MockRestApiServer(RestApiHandler, request)
d.get_cluster = Mock(side_effect=Exception())
MockRestApiServer(RestApiHandler, request)
d.manual_failover.return_value = False
MockRestApiServer(RestApiHandler, request)
with patch.object(MockHa, 'fetch_nodes_statuses', Mock(return_value=[])):
MockRestApiServer(RestApiHandler, request)
request = b'POST /failover HTTP/1.0\nAuthorization: Basic dGVzdDp0ZXN0\n' +\
b'Content-Length: 50\n\n{"leader": "postgresql1", "member": "postgresql2"}'
MockRestApiServer(RestApiHandler, request)
## Valid future date
request = b'POST /failover HTTP/1.0\nAuthorization: Basic dGVzdDp0ZXN0\n' +\
b'Content-Length: 103\n\n{"leader": "postgresql1", "member": "postgresql2", "scheduled_at": "6016-02-15T18:13:30.568224+01:00"}'
MockRestApiServer(RestApiHandler, request)
## Exception: No timezone specified
request = b'POST /failover HTTP/1.0\nAuthorization: Basic dGVzdDp0ZXN0\n' +\
b'Content-Length: 97\n\n{"leader": "postgresql1", "member": "postgresql2", "scheduled_at": "6016-02-15T18:13:30.568224"}'
MockRestApiServer(RestApiHandler, request)
## Exception: Scheduled in the past
request = b'POST /failover HTTP/1.0\nAuthorization: Basic dGVzdDp0ZXN0\n' +\
b'Content-Length: 103\n\n{"leader": "postgresql1", "member": "postgresql2", "scheduled_at": "1016-02-15T18:13:30.568224+01:00"}'
MockRestApiServer(RestApiHandler, request)
## Invalid date
request = b'POST /failover HTTP/1.0\nAuthorization: Basic dGVzdDp0ZXN0\n' +\
b'Content-Length: 103\n\n{"leader": "postgresql1", "member": "postgresql2", "scheduled_at": "2010-02-29T18:13:30.568224+01:00"}'
MockRestApiServer(RestApiHandler, request)