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test_server_description.py
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165 lines (132 loc) · 5.46 KB
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# Copyright 2014-present MongoDB, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Test the server_description module."""
import sys
sys.path[0:0] = [""]
from pymongo.server_type import SERVER_TYPE
from pymongo.ismaster import IsMaster
from pymongo.server_description import ServerDescription
from test import unittest
address = ('localhost', 27017)
def parse_ismaster_response(doc):
ismaster_response = IsMaster(doc)
return ServerDescription(address, ismaster_response)
class TestServerDescription(unittest.TestCase):
def test_unknown(self):
# Default, no ismaster_response.
s = ServerDescription(address)
self.assertEqual(SERVER_TYPE.Unknown, s.server_type)
self.assertFalse(s.is_writable)
self.assertFalse(s.is_readable)
def test_mongos(self):
s = parse_ismaster_response({'ok': 1, 'msg': 'isdbgrid'})
self.assertEqual(SERVER_TYPE.Mongos, s.server_type)
self.assertEqual('Mongos', s.server_type_name)
self.assertTrue(s.is_writable)
self.assertTrue(s.is_readable)
def test_primary(self):
s = parse_ismaster_response(
{'ok': 1, 'ismaster': True, 'setName': 'rs'})
self.assertEqual(SERVER_TYPE.RSPrimary, s.server_type)
self.assertEqual('RSPrimary', s.server_type_name)
self.assertTrue(s.is_writable)
self.assertTrue(s.is_readable)
def test_secondary(self):
s = parse_ismaster_response(
{'ok': 1, 'ismaster': False, 'secondary': True, 'setName': 'rs'})
self.assertEqual(SERVER_TYPE.RSSecondary, s.server_type)
self.assertEqual('RSSecondary', s.server_type_name)
self.assertFalse(s.is_writable)
self.assertTrue(s.is_readable)
def test_arbiter(self):
s = parse_ismaster_response(
{'ok': 1, 'ismaster': False, 'arbiterOnly': True, 'setName': 'rs'})
self.assertEqual(SERVER_TYPE.RSArbiter, s.server_type)
self.assertEqual('RSArbiter', s.server_type_name)
self.assertFalse(s.is_writable)
self.assertFalse(s.is_readable)
def test_other(self):
s = parse_ismaster_response(
{'ok': 1, 'ismaster': False, 'setName': 'rs'})
self.assertEqual(SERVER_TYPE.RSOther, s.server_type)
self.assertEqual('RSOther', s.server_type_name)
s = parse_ismaster_response({
'ok': 1,
'ismaster': False,
'secondary': True,
'hidden': True,
'setName': 'rs'})
self.assertEqual(SERVER_TYPE.RSOther, s.server_type)
self.assertFalse(s.is_writable)
self.assertFalse(s.is_readable)
def test_ghost(self):
s = parse_ismaster_response({'ok': 1, 'isreplicaset': True})
self.assertEqual(SERVER_TYPE.RSGhost, s.server_type)
self.assertEqual('RSGhost', s.server_type_name)
self.assertFalse(s.is_writable)
self.assertFalse(s.is_readable)
def test_fields(self):
s = parse_ismaster_response({
'ok': 1,
'ismaster': False,
'secondary': True,
'primary': 'a:27017',
'tags': {'a': 'foo', 'b': 'baz'},
'maxMessageSizeBytes': 1,
'maxBsonObjectSize': 2,
'maxWriteBatchSize': 3,
'minWireVersion': 4,
'maxWireVersion': 5,
'setName': 'rs'})
self.assertEqual(SERVER_TYPE.RSSecondary, s.server_type)
self.assertEqual(('a', 27017), s.primary)
self.assertEqual({'a': 'foo', 'b': 'baz'}, s.tags)
self.assertEqual(1, s.max_message_size)
self.assertEqual(2, s.max_bson_size)
self.assertEqual(3, s.max_write_batch_size)
self.assertEqual(4, s.min_wire_version)
self.assertEqual(5, s.max_wire_version)
def test_default_max_message_size(self):
s = parse_ismaster_response({
'ok': 1,
'ismaster': True,
'maxBsonObjectSize': 2})
# Twice max_bson_size.
self.assertEqual(4, s.max_message_size)
def test_standalone(self):
s = parse_ismaster_response({'ok': 1, 'ismaster': True})
self.assertEqual(SERVER_TYPE.Standalone, s.server_type)
# Mongod started with --slave.
s = parse_ismaster_response({'ok': 1, 'ismaster': False})
self.assertEqual(SERVER_TYPE.Standalone, s.server_type)
self.assertTrue(s.is_writable)
self.assertTrue(s.is_readable)
def test_ok_false(self):
s = parse_ismaster_response({'ok': 0, 'ismaster': True})
self.assertEqual(SERVER_TYPE.Unknown, s.server_type)
self.assertFalse(s.is_writable)
self.assertFalse(s.is_readable)
def test_all_hosts(self):
s = parse_ismaster_response({
'ok': 1,
'ismaster': True,
'hosts': ['a'],
'passives': ['b:27018'],
'arbiters': ['c']
})
self.assertEqual(
[('a', 27017), ('b', 27018), ('c', 27017)],
sorted(s.all_hosts))
if __name__ == "__main__":
unittest.main()