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from packaging import version
import sys
import unittest
from unittest import skipIf, skipUnless
try:
from unittest import mock
_HAVE_MOCK = True
except ImportError:
try:
import mock
_HAVE_MOCK = True
except ImportError:
_HAVE_MOCK = False
import mongomock
from mongomock import helpers
try:
from bson import codec_options
from pymongo.read_preferences import ReadPreference
except ImportError:
pass
class MongoClientApiTest(unittest.TestCase):
def test__read_preference(self):
client = mongomock.MongoClient()
self.assertEqual('Primary', client.read_preference.name)
self.assertEqual(client.read_preference, client.db.read_preference)
self.assertEqual(client.read_preference, client.db.coll.read_preference)
client2 = mongomock.MongoClient(read_preference=client.read_preference)
self.assertEqual(client2.read_preference, client.read_preference)
with self.assertRaises(TypeError):
mongomock.MongoClient(read_preference=0)
@unittest.skipIf(not helpers.HAVE_PYMONGO, 'pymongo not installed')
def test__different_read_preference(self):
client = mongomock.MongoClient(read_preference=ReadPreference.NEAREST)
self.assertEqual(ReadPreference.NEAREST, client.db.read_preference)
self.assertEqual(ReadPreference.NEAREST, client.db.coll.read_preference)
@unittest.skipIf(not helpers.HAVE_PYMONGO, 'pymongo not installed')
def test__codec_options_with_pymongo(self):
client = mongomock.MongoClient()
self.assertEqual(codec_options.CodecOptions(), client.codec_options)
self.assertFalse(client.codec_options.tz_aware)
def test__codec_options(self):
client = mongomock.MongoClient()
self.assertFalse(client.codec_options.tz_aware)
client = mongomock.MongoClient(tz_aware=True)
self.assertTrue(client.codec_options.tz_aware)
self.assertTrue(client.db.collection.codec_options.tz_aware)
with self.assertRaises(TypeError):
mongomock.MongoClient(tz_aware='True')
def test__parse_url(self):
client = mongomock.MongoClient('mongodb://localhost:27017/')
self.assertEqual(('localhost', 27017), client.address)
client = mongomock.MongoClient('mongodb://localhost:1234,example.com/')
self.assertEqual(('localhost', 1234), client.address)
client = mongomock.MongoClient('mongodb://example.com,localhost:1234/')
self.assertEqual(('example.com', 27017), client.address)
client = mongomock.MongoClient('mongodb://[::1]:1234/')
self.assertEqual(('::1', 1234), client.address)
with self.assertRaises(ValueError):
mongomock.MongoClient('mongodb://localhost:1234:456/')
with self.assertRaises(ValueError):
mongomock.MongoClient('mongodb://localhost:123456/')
with self.assertRaises(ValueError):
mongomock.MongoClient('mongodb://localhost:mongoport/')
def test__equality(self):
self.assertEqual(
mongomock.MongoClient('mongodb://localhost:27017/'),
mongomock.MongoClient('mongodb://localhost:27017/'))
self.assertEqual(
mongomock.MongoClient('mongodb://localhost:27017/'),
mongomock.MongoClient('localhost'))
self.assertNotEqual(
mongomock.MongoClient('/var/socket/mongo.sock'),
mongomock.MongoClient('localhost'))
@skipIf(sys.version_info < (3,), 'Older versions of Python do not handle hashing the same way')
@skipUnless(
helpers.PYMONGO_VERSION < version.parse('3.12'),
"older versions of pymongo didn't have proper hashing")
def test__not_hashable(self):
with self.assertRaises(TypeError):
{mongomock.MongoClient('localhost')} # pylint: disable=expression-not-assigned
@skipIf(sys.version_info < (3,), 'Older versions of Python do not handle hashing the same way')
@skipIf(
helpers.PYMONGO_VERSION < version.parse('3.12'),
"older versions of pymongo didn't have proper hashing")
def test__hashable(self):
{mongomock.MongoClient('localhost')} # pylint: disable=expression-not-assigned
def test__parse_hosts(self):
client = mongomock.MongoClient('localhost')
self.assertEqual(('localhost', 27017), client.address)
client = mongomock.MongoClient('localhost:1234,example.com')
self.assertEqual(('localhost', 1234), client.address)
client = mongomock.MongoClient('example.com,localhost:1234')
self.assertEqual(('example.com', 27017), client.address)
client = mongomock.MongoClient('[::1]:1234')
self.assertEqual(('::1', 1234), client.address)
client = mongomock.MongoClient('/var/socket/mongo.sock')
self.assertEqual(('/var/socket/mongo.sock', None), client.address)
with self.assertRaises(ValueError):
mongomock.MongoClient('localhost:1234:456')
with self.assertRaises(ValueError):
mongomock.MongoClient('localhost:123456')
with self.assertRaises(ValueError):
mongomock.MongoClient('localhost:mongoport')
@unittest.skipIf(not _HAVE_MOCK, 'mock not installed')
def test_database_names(self):
client = mongomock.MongoClient()
client.one_db.my_collec.insert_one({})
if helpers.PYMONGO_VERSION >= version.parse('4.0'):
with self.assertRaises(TypeError):
client.database_names()
return
with mock.patch('warnings.warn') as mock_warn:
self.assertEqual(['one_db'], client.database_names())
self.assertEqual(1, mock_warn.call_count)
self.assertIn('deprecated', mock_warn.call_args[0][0])
def test_list_database_names(self):
client = mongomock.MongoClient()
self.assertEqual([], client.list_database_names())
# Query a non existant collection.
client.one_db.my_collec.find_one()
self.assertEqual([], client.list_database_names())
client.one_db.my_collec.insert_one({})
self.assertEqual(['one_db'], client.list_database_names())
def test_client_implements_context_managers(self):
with mongomock.MongoClient() as client:
client.one_db.my_collec.insert_one({})
result = client.one_db.my_collec.find_one({})
self.assertTrue(result)
def test_start_session(self):
client = mongomock.MongoClient()
with self.assertRaises(NotImplementedError):
client.start_session()
@mock.patch('mongomock.SERVER_VERSION', '3.6')
def test_server_version(self):
client = mongomock.MongoClient()
server_info = client.server_info()
self.assertEqual('3.6', server_info['version'])
self.assertEqual([3, 6, 0, 0], server_info['versionArray'])
def test_consistent_server_version(self):
client = mongomock.MongoClient()
server_info = client.server_info()
with mock.patch('mongomock.SERVER_VERSION', '3.6'):
self.assertEqual(server_info, client.server_info())
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