mongoengine/tests/test_replicaset_connection.py
2016-12-11 18:49:21 -05:00

52 lines
1.4 KiB
Python

import unittest
from pymongo import ReadPreference
from mongoengine.python_support import IS_PYMONGO_3
if IS_PYMONGO_3:
from pymongo import MongoClient
CONN_CLASS = MongoClient
READ_PREF = ReadPreference.SECONDARY
else:
from pymongo import ReplicaSetConnection
CONN_CLASS = ReplicaSetConnection
READ_PREF = ReadPreference.SECONDARY_ONLY
import mongoengine
from mongoengine import *
from mongoengine.connection import MongoEngineConnectionError
class ConnectionTest(unittest.TestCase):
def setUp(self):
mongoengine.connection._connection_settings = {}
mongoengine.connection._connections = {}
mongoengine.connection._dbs = {}
def tearDown(self):
mongoengine.connection._connection_settings = {}
mongoengine.connection._connections = {}
mongoengine.connection._dbs = {}
def test_replicaset_uri_passes_read_preference(self):
"""Requires a replica set called "rs" on port 27017
"""
try:
conn = connect(db='mongoenginetest',
host="mongodb://localhost/mongoenginetest?replicaSet=rs",
read_preference=READ_PREF)
except MongoEngineConnectionError as e:
return
if not isinstance(conn, CONN_CLASS):
# really???
return
self.assertEqual(conn.read_preference, READ_PREF)
if __name__ == '__main__':
unittest.main()