627 lines
23 KiB
Python
627 lines
23 KiB
Python
import datetime
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from pymongo import MongoClient
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from pymongo.errors import OperationFailure, InvalidName
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from pymongo import ReadPreference
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try:
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import unittest2 as unittest
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except ImportError:
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import unittest
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from nose.plugins.skip import SkipTest
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import pymongo
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from bson.tz_util import utc
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from mongoengine import (
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connect, register_connection,
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Document, DateTimeField,
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disconnect_all, StringField)
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import mongoengine.connection
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from mongoengine.connection import (MongoEngineConnectionError, get_db,
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get_connection, disconnect, DEFAULT_DATABASE_NAME)
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def get_tz_awareness(connection):
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return connection.codec_options.tz_aware
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class ConnectionTest(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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disconnect_all()
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@classmethod
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def tearDownClass(cls):
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disconnect_all()
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def tearDown(self):
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mongoengine.connection._connection_settings = {}
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mongoengine.connection._connections = {}
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mongoengine.connection._dbs = {}
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def test_connect(self):
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"""Ensure that the connect() method works properly."""
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connect('mongoenginetest')
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conn = get_connection()
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self.assertIsInstance(conn, pymongo.mongo_client.MongoClient)
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db = get_db()
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self.assertIsInstance(db, pymongo.database.Database)
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self.assertEqual(db.name, 'mongoenginetest')
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connect('mongoenginetest2', alias='testdb')
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conn = get_connection('testdb')
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self.assertIsInstance(conn, pymongo.mongo_client.MongoClient)
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def test_connect_disconnect_works_properly(self):
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class History1(Document):
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name = StringField()
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meta = {'db_alias': 'db1'}
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class History2(Document):
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name = StringField()
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meta = {'db_alias': 'db2'}
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connect('db1', alias='db1')
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connect('db2', alias='db2')
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History1.drop_collection()
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History2.drop_collection()
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h = History1(name='default').save()
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h1 = History2(name='db1').save()
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self.assertEqual(list(History1.objects().as_pymongo()),
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[{'_id': h.id, 'name': 'default'}])
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self.assertEqual(list(History2.objects().as_pymongo()),
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[{'_id': h1.id, 'name': 'db1'}])
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disconnect('db1')
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disconnect('db2')
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with self.assertRaises(MongoEngineConnectionError):
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list(History1.objects().as_pymongo())
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with self.assertRaises(MongoEngineConnectionError):
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list(History2.objects().as_pymongo())
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connect('db1', alias='db1')
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connect('db2', alias='db2')
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self.assertEqual(list(History1.objects().as_pymongo()),
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[{'_id': h.id, 'name': 'default'}])
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self.assertEqual(list(History2.objects().as_pymongo()),
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[{'_id': h1.id, 'name': 'db1'}])
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def test_connect_different_documents_to_different_database(self):
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class History(Document):
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name = StringField()
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class History1(Document):
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name = StringField()
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meta = {'db_alias': 'db1'}
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class History2(Document):
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name = StringField()
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meta = {'db_alias': 'db2'}
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connect()
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connect('db1', alias='db1')
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connect('db2', alias='db2')
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History.drop_collection()
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History1.drop_collection()
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History2.drop_collection()
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h = History(name='default').save()
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h1 = History1(name='db1').save()
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h2 = History2(name='db2').save()
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self.assertEqual(History._collection.database.name, DEFAULT_DATABASE_NAME)
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self.assertEqual(History1._collection.database.name, 'db1')
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self.assertEqual(History2._collection.database.name, 'db2')
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self.assertEqual(list(History.objects().as_pymongo()),
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[{'_id': h.id, 'name': 'default'}])
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self.assertEqual(list(History1.objects().as_pymongo()),
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[{'_id': h1.id, 'name': 'db1'}])
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self.assertEqual(list(History2.objects().as_pymongo()),
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[{'_id': h2.id, 'name': 'db2'}])
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def test_connect_fails_if_connect_2_times_with_default_alias(self):
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connect('mongoenginetest')
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with self.assertRaises(MongoEngineConnectionError) as ctx_err:
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connect('mongoenginetest2')
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self.assertEqual("A different connection with alias `default` was already registered. Use disconnect() first", str(ctx_err.exception))
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def test_connect_fails_if_connect_2_times_with_custom_alias(self):
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connect('mongoenginetest', alias='alias1')
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with self.assertRaises(MongoEngineConnectionError) as ctx_err:
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connect('mongoenginetest2', alias='alias1')
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self.assertEqual("A different connection with alias `alias1` was already registered. Use disconnect() first", str(ctx_err.exception))
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def test_connect_fails_if_similar_connection_settings_arent_defined_the_same_way(self):
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"""Intended to keep the detecton function simple but robust"""
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db_name = 'mongoenginetest'
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db_alias = 'alias1'
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connect(db=db_name, alias=db_alias, host='localhost', port=27017)
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with self.assertRaises(MongoEngineConnectionError):
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connect(host='mongodb://localhost:27017/%s' % db_name, alias=db_alias)
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def test_connect_passes_silently_connect_multiple_times_with_same_config(self):
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# test default connection to `test`
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connect()
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connect()
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self.assertEqual(len(mongoengine.connection._connections), 1)
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connect('test01', alias='test01')
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connect('test01', alias='test01')
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self.assertEqual(len(mongoengine.connection._connections), 2)
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connect(host='mongodb://localhost:27017/mongoenginetest02', alias='test02')
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connect(host='mongodb://localhost:27017/mongoenginetest02', alias='test02')
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self.assertEqual(len(mongoengine.connection._connections), 3)
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def test_connect_with_invalid_db_name(self):
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"""Ensure that connect() method fails fast if db name is invalid
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"""
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with self.assertRaises(InvalidName):
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connect('mongomock://localhost')
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def test_connect_with_db_name_external(self):
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"""Ensure that connect() works if db name is $external
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"""
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"""Ensure that the connect() method works properly."""
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connect('$external')
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conn = get_connection()
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self.assertIsInstance(conn, pymongo.mongo_client.MongoClient)
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db = get_db()
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self.assertIsInstance(db, pymongo.database.Database)
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self.assertEqual(db.name, '$external')
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connect('$external', alias='testdb')
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conn = get_connection('testdb')
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self.assertIsInstance(conn, pymongo.mongo_client.MongoClient)
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def test_connect_with_invalid_db_name_type(self):
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"""Ensure that connect() method fails fast if db name has invalid type
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"""
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with self.assertRaises(TypeError):
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non_string_db_name = ['e. g. list instead of a string']
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connect(non_string_db_name)
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def test_connect_in_mocking(self):
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"""Ensure that the connect() method works properly in mocking.
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"""
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try:
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import mongomock
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except ImportError:
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raise SkipTest('you need mongomock installed to run this testcase')
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connect('mongoenginetest', host='mongomock://localhost')
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conn = get_connection()
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self.assertIsInstance(conn, mongomock.MongoClient)
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connect('mongoenginetest2', host='mongomock://localhost', alias='testdb2')
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conn = get_connection('testdb2')
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self.assertIsInstance(conn, mongomock.MongoClient)
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connect('mongoenginetest3', host='mongodb://localhost', is_mock=True, alias='testdb3')
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conn = get_connection('testdb3')
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self.assertIsInstance(conn, mongomock.MongoClient)
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connect('mongoenginetest4', is_mock=True, alias='testdb4')
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conn = get_connection('testdb4')
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self.assertIsInstance(conn, mongomock.MongoClient)
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connect(host='mongodb://localhost:27017/mongoenginetest5', is_mock=True, alias='testdb5')
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conn = get_connection('testdb5')
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self.assertIsInstance(conn, mongomock.MongoClient)
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connect(host='mongomock://localhost:27017/mongoenginetest6', alias='testdb6')
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conn = get_connection('testdb6')
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self.assertIsInstance(conn, mongomock.MongoClient)
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connect(host='mongomock://localhost:27017/mongoenginetest7', is_mock=True, alias='testdb7')
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conn = get_connection('testdb7')
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self.assertIsInstance(conn, mongomock.MongoClient)
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def test_connect_with_host_list(self):
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"""Ensure that the connect() method works when host is a list
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Uses mongomock to test w/o needing multiple mongod/mongos processes
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"""
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try:
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import mongomock
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except ImportError:
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raise SkipTest('you need mongomock installed to run this testcase')
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connect(host=['mongomock://localhost'])
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conn = get_connection()
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self.assertIsInstance(conn, mongomock.MongoClient)
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connect(host=['mongodb://localhost'], is_mock=True, alias='testdb2')
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conn = get_connection('testdb2')
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self.assertIsInstance(conn, mongomock.MongoClient)
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connect(host=['localhost'], is_mock=True, alias='testdb3')
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conn = get_connection('testdb3')
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self.assertIsInstance(conn, mongomock.MongoClient)
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connect(host=['mongomock://localhost:27017', 'mongomock://localhost:27018'], alias='testdb4')
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conn = get_connection('testdb4')
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self.assertIsInstance(conn, mongomock.MongoClient)
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connect(host=['mongodb://localhost:27017', 'mongodb://localhost:27018'], is_mock=True, alias='testdb5')
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conn = get_connection('testdb5')
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self.assertIsInstance(conn, mongomock.MongoClient)
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connect(host=['localhost:27017', 'localhost:27018'], is_mock=True, alias='testdb6')
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conn = get_connection('testdb6')
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self.assertIsInstance(conn, mongomock.MongoClient)
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def test_disconnect_cleans_globals(self):
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"""Ensure that the disconnect() method cleans the globals objects"""
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connections = mongoengine.connection._connections
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dbs = mongoengine.connection._dbs
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connection_settings = mongoengine.connection._connection_settings
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connect('mongoenginetest')
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self.assertEqual(len(connections), 1)
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self.assertEqual(len(dbs), 0)
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self.assertEqual(len(connection_settings), 1)
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class TestDoc(Document):
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pass
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TestDoc.drop_collection() # triggers the db
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self.assertEqual(len(dbs), 1)
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disconnect()
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self.assertEqual(len(connections), 0)
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self.assertEqual(len(dbs), 0)
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self.assertEqual(len(connection_settings), 0)
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def test_disconnect_cleans_cached_collection_attribute_in_document(self):
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"""Ensure that the disconnect() method works properly"""
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conn1 = connect('mongoenginetest')
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class History(Document):
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pass
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self.assertIsNone(History._collection)
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History.drop_collection()
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History.objects.first() # will trigger the caching of _collection attribute
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self.assertIsNotNone(History._collection)
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disconnect()
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self.assertIsNone(History._collection)
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with self.assertRaises(MongoEngineConnectionError) as ctx_err:
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History.objects.first()
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self.assertEqual("You have not defined a default connection", str(ctx_err.exception))
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def test_connect_disconnect_works_on_same_document(self):
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"""Ensure that the connect/disconnect works properly with a single Document"""
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db1 = 'db1'
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db2 = 'db2'
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# Ensure freshness of the 2 databases through pymongo
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client = MongoClient('localhost', 27017)
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client.drop_database(db1)
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client.drop_database(db2)
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# Save in db1
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connect(db1)
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class User(Document):
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name = StringField(required=True)
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user1 = User(name='John is in db1').save()
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disconnect()
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# Make sure save doesnt work at this stage
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with self.assertRaises(MongoEngineConnectionError):
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User(name='Wont work').save()
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# Save in db2
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connect(db2)
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user2 = User(name='Bob is in db2').save()
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disconnect()
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db1_users = list(client[db1].user.find())
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self.assertEqual(db1_users, [{'_id': user1.id, 'name': 'John is in db1'}])
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db2_users = list(client[db2].user.find())
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self.assertEqual(db2_users, [{'_id': user2.id, 'name': 'Bob is in db2'}])
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def test_disconnect_silently_pass_if_alias_does_not_exist(self):
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connections = mongoengine.connection._connections
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self.assertEqual(len(connections), 0)
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disconnect(alias='not_exist')
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def test_disconnect_all(self):
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connections = mongoengine.connection._connections
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dbs = mongoengine.connection._dbs
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connection_settings = mongoengine.connection._connection_settings
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connect('mongoenginetest')
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connect('mongoenginetest2', alias='db1')
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class History(Document):
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pass
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class History1(Document):
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name = StringField()
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meta = {'db_alias': 'db1'}
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History.drop_collection() # will trigger the caching of _collection attribute
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History.objects.first()
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History1.drop_collection()
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History1.objects.first()
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self.assertIsNotNone(History._collection)
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self.assertIsNotNone(History1._collection)
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self.assertEqual(len(connections), 2)
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self.assertEqual(len(dbs), 2)
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self.assertEqual(len(connection_settings), 2)
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disconnect_all()
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self.assertIsNone(History._collection)
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self.assertIsNone(History1._collection)
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self.assertEqual(len(connections), 0)
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self.assertEqual(len(dbs), 0)
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self.assertEqual(len(connection_settings), 0)
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with self.assertRaises(MongoEngineConnectionError):
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History.objects.first()
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with self.assertRaises(MongoEngineConnectionError):
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History1.objects.first()
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def test_disconnect_all_silently_pass_if_no_connection_exist(self):
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disconnect_all()
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def test_sharing_connections(self):
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"""Ensure that connections are shared when the connection settings are exactly the same
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"""
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connect('mongoenginetests', alias='testdb1')
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expected_connection = get_connection('testdb1')
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connect('mongoenginetests', alias='testdb2')
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actual_connection = get_connection('testdb2')
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expected_connection.server_info()
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self.assertEqual(expected_connection, actual_connection)
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def test_connect_uri(self):
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"""Ensure that the connect() method works properly with URIs."""
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c = connect(db='mongoenginetest', alias='admin')
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c.admin.system.users.delete_many({})
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c.mongoenginetest.system.users.delete_many({})
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c.admin.command("createUser", "admin", pwd="password", roles=["root"])
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c.admin.authenticate("admin", "password")
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c.admin.command("createUser", "username", pwd="password", roles=["dbOwner"])
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connect("testdb_uri", host='mongodb://username:password@localhost/mongoenginetest')
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conn = get_connection()
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self.assertIsInstance(conn, pymongo.mongo_client.MongoClient)
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db = get_db()
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self.assertIsInstance(db, pymongo.database.Database)
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self.assertEqual(db.name, 'mongoenginetest')
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c.admin.system.users.delete_many({})
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c.mongoenginetest.system.users.delete_many({})
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def test_connect_uri_without_db(self):
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"""Ensure connect() method works properly if the URI doesn't
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include a database name.
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"""
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connect("mongoenginetest", host='mongodb://localhost/')
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conn = get_connection()
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self.assertIsInstance(conn, pymongo.mongo_client.MongoClient)
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db = get_db()
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self.assertIsInstance(db, pymongo.database.Database)
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self.assertEqual(db.name, 'mongoenginetest')
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def test_connect_uri_default_db(self):
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"""Ensure connect() defaults to the right database name if
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the URI and the database_name don't explicitly specify it.
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"""
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connect(host='mongodb://localhost/')
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conn = get_connection()
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self.assertIsInstance(conn, pymongo.mongo_client.MongoClient)
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db = get_db()
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self.assertIsInstance(db, pymongo.database.Database)
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self.assertEqual(db.name, 'test')
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def test_uri_without_credentials_doesnt_override_conn_settings(self):
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"""Ensure connect() uses the username & password params if the URI
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doesn't explicitly specify them.
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"""
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c = connect(host='mongodb://localhost/mongoenginetest',
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username='user',
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password='pass')
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# OperationFailure means that mongoengine attempted authentication
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# w/ the provided username/password and failed - that's the desired
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# behavior. If the MongoDB URI would override the credentials
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self.assertRaises(OperationFailure, get_db)
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def test_connect_uri_with_authsource(self):
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"""Ensure that the connect() method works well with `authSource`
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option in the URI.
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"""
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# Create users
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c = connect('mongoenginetest')
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c.admin.system.users.delete_many({})
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c.admin.command("createUser", "username2", pwd="password", roles=["dbOwner"])
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# Authentication fails without "authSource"
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test_conn = connect(
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'mongoenginetest', alias='test1',
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host='mongodb://username2:password@localhost/mongoenginetest'
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)
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self.assertRaises(OperationFailure, test_conn.server_info)
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# Authentication succeeds with "authSource"
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authd_conn = connect(
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'mongoenginetest', alias='test2',
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host=('mongodb://username2:password@localhost/'
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'mongoenginetest?authSource=admin')
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)
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db = get_db('test2')
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self.assertIsInstance(db, pymongo.database.Database)
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self.assertEqual(db.name, 'mongoenginetest')
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# Clear all users
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authd_conn.admin.system.users.delete_many({})
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def test_register_connection(self):
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"""Ensure that connections with different aliases may be registered.
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"""
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register_connection('testdb', 'mongoenginetest2')
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self.assertRaises(MongoEngineConnectionError, get_connection)
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conn = get_connection('testdb')
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self.assertIsInstance(conn, pymongo.mongo_client.MongoClient)
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db = get_db('testdb')
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self.assertIsInstance(db, pymongo.database.Database)
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self.assertEqual(db.name, 'mongoenginetest2')
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|
|
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def test_register_connection_defaults(self):
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"""Ensure that defaults are used when the host and port are None.
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|
"""
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register_connection('testdb', 'mongoenginetest', host=None, port=None)
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|
|
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conn = get_connection('testdb')
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self.assertIsInstance(conn, pymongo.mongo_client.MongoClient)
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|
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def test_connection_kwargs(self):
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"""Ensure that connection kwargs get passed to pymongo."""
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connect('mongoenginetest', alias='t1', tz_aware=True)
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conn = get_connection('t1')
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|
|
|
self.assertTrue(get_tz_awareness(conn))
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|
|
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connect('mongoenginetest2', alias='t2')
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|
conn = get_connection('t2')
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self.assertFalse(get_tz_awareness(conn))
|
|
|
|
def test_connection_pool_via_kwarg(self):
|
|
"""Ensure we can specify a max connection pool size using
|
|
a connection kwarg.
|
|
"""
|
|
pool_size_kwargs = {'maxpoolsize': 100}
|
|
|
|
conn = connect('mongoenginetest', alias='max_pool_size_via_kwarg', **pool_size_kwargs)
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self.assertEqual(conn.max_pool_size, 100)
|
|
|
|
def test_connection_pool_via_uri(self):
|
|
"""Ensure we can specify a max connection pool size using
|
|
an option in a connection URI.
|
|
"""
|
|
conn = connect(host='mongodb://localhost/test?maxpoolsize=100', alias='max_pool_size_via_uri')
|
|
self.assertEqual(conn.max_pool_size, 100)
|
|
|
|
def test_write_concern(self):
|
|
"""Ensure write concern can be specified in connect() via
|
|
a kwarg or as part of the connection URI.
|
|
"""
|
|
conn1 = connect(alias='conn1', host='mongodb://localhost/testing?w=1&j=true')
|
|
conn2 = connect('testing', alias='conn2', w=1, j=True)
|
|
self.assertEqual(conn1.write_concern.document, {'w': 1, 'j': True})
|
|
self.assertEqual(conn2.write_concern.document, {'w': 1, 'j': True})
|
|
|
|
def test_connect_with_replicaset_via_uri(self):
|
|
"""Ensure connect() works when specifying a replicaSet via the
|
|
MongoDB URI.
|
|
"""
|
|
c = connect(host='mongodb://localhost/test?replicaSet=local-rs')
|
|
db = get_db()
|
|
self.assertIsInstance(db, pymongo.database.Database)
|
|
self.assertEqual(db.name, 'test')
|
|
|
|
def test_connect_with_replicaset_via_kwargs(self):
|
|
"""Ensure connect() works when specifying a replicaSet via the
|
|
connection kwargs
|
|
"""
|
|
c = connect(replicaset='local-rs')
|
|
self.assertEqual(c._MongoClient__options.replica_set_name,
|
|
'local-rs')
|
|
db = get_db()
|
|
self.assertIsInstance(db, pymongo.database.Database)
|
|
self.assertEqual(db.name, 'test')
|
|
|
|
def test_connect_tz_aware(self):
|
|
connect('mongoenginetest', tz_aware=True)
|
|
d = datetime.datetime(2010, 5, 5, tzinfo=utc)
|
|
|
|
class DateDoc(Document):
|
|
the_date = DateTimeField(required=True)
|
|
|
|
DateDoc.drop_collection()
|
|
DateDoc(the_date=d).save()
|
|
|
|
date_doc = DateDoc.objects.first()
|
|
self.assertEqual(d, date_doc.the_date)
|
|
|
|
def test_read_preference_from_parse(self):
|
|
conn = connect(host="mongodb://a1.vpc,a2.vpc,a3.vpc/prod?readPreference=secondaryPreferred")
|
|
self.assertEqual(conn.read_preference, ReadPreference.SECONDARY_PREFERRED)
|
|
|
|
def test_multiple_connection_settings(self):
|
|
connect('mongoenginetest', alias='t1', host="localhost")
|
|
|
|
connect('mongoenginetest2', alias='t2', host="127.0.0.1")
|
|
|
|
mongo_connections = mongoengine.connection._connections
|
|
self.assertEqual(len(mongo_connections.items()), 2)
|
|
self.assertIn('t1', mongo_connections.keys())
|
|
self.assertIn('t2', mongo_connections.keys())
|
|
|
|
# Handle PyMongo 3+ Async Connection
|
|
# Ensure we are connected, throws ServerSelectionTimeoutError otherwise.
|
|
# Purposely not catching exception to fail test if thrown.
|
|
mongo_connections['t1'].server_info()
|
|
mongo_connections['t2'].server_info()
|
|
self.assertEqual(mongo_connections['t1'].address[0], 'localhost')
|
|
self.assertEqual(mongo_connections['t2'].address[0], '127.0.0.1')
|
|
|
|
def test_connect_2_databases_uses_same_client_if_only_dbname_differs(self):
|
|
c1 = connect(alias='testdb1', db='testdb1')
|
|
c2 = connect(alias='testdb2', db='testdb2')
|
|
self.assertIs(c1, c2)
|
|
|
|
def test_connect_2_databases_uses_different_client_if_different_parameters(self):
|
|
c1 = connect(alias='testdb1', db='testdb1', username='u1')
|
|
c2 = connect(alias='testdb2', db='testdb2', username='u2')
|
|
self.assertIsNot(c1, c2)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|