/usr/lib/python2.7/dist-packages/celery/tests/backends/test_mongodb.py is in python-celery 3.1.20-1.
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import datetime
import uuid
from pickle import loads, dumps
from celery import states
from celery.backends import mongodb as module
from celery.backends.mongodb import MongoBackend, pymongo
from celery.exceptions import ImproperlyConfigured
from celery.tests.case import (
AppCase, MagicMock, Mock, SkipTest, ANY,
depends_on_current_app, patch, sentinel,
)
COLLECTION = 'taskmeta_celery'
TASK_ID = str(uuid.uuid1())
MONGODB_HOST = 'localhost'
MONGODB_PORT = 27017
MONGODB_USER = 'mongo'
MONGODB_PASSWORD = '1234'
MONGODB_DATABASE = 'testing'
MONGODB_COLLECTION = 'collection1'
class test_MongoBackend(AppCase):
def setup(self):
if pymongo is None:
raise SkipTest('pymongo is not installed.')
R = self._reset = {}
R['encode'], MongoBackend.encode = MongoBackend.encode, Mock()
R['decode'], MongoBackend.decode = MongoBackend.decode, Mock()
R['Binary'], module.Binary = module.Binary, Mock()
R['datetime'], datetime.datetime = datetime.datetime, Mock()
self.backend = MongoBackend(app=self.app)
def teardown(self):
MongoBackend.encode = self._reset['encode']
MongoBackend.decode = self._reset['decode']
module.Binary = self._reset['Binary']
datetime.datetime = self._reset['datetime']
def test_init_no_mongodb(self):
prev, module.pymongo = module.pymongo, None
try:
with self.assertRaises(ImproperlyConfigured):
MongoBackend(app=self.app)
finally:
module.pymongo = prev
def test_init_no_settings(self):
self.app.conf.CELERY_MONGODB_BACKEND_SETTINGS = []
with self.assertRaises(ImproperlyConfigured):
MongoBackend(app=self.app)
def test_init_settings_is_None(self):
self.app.conf.CELERY_MONGODB_BACKEND_SETTINGS = None
MongoBackend(app=self.app)
def test_restore_group_no_entry(self):
x = MongoBackend(app=self.app)
x.collection = Mock()
fo = x.collection.find_one = Mock()
fo.return_value = None
self.assertIsNone(x._restore_group('1f3fab'))
@depends_on_current_app
def test_reduce(self):
x = MongoBackend(app=self.app)
self.assertTrue(loads(dumps(x)))
def test_get_connection_connection_exists(self):
with patch('pymongo.MongoClient') as mock_Connection:
self.backend._connection = sentinel._connection
connection = self.backend._get_connection()
self.assertEqual(sentinel._connection, connection)
self.assertFalse(mock_Connection.called)
def test_get_connection_no_connection_host(self):
with patch('pymongo.MongoClient') as mock_Connection:
self.backend._connection = None
self.backend.host = MONGODB_HOST
self.backend.port = MONGODB_PORT
mock_Connection.return_value = sentinel.connection
connection = self.backend._get_connection()
mock_Connection.assert_called_once_with(
host='mongodb://localhost:27017',
**self.backend._prepare_client_options()
)
self.assertEqual(sentinel.connection, connection)
def test_get_connection_no_connection_mongodb_uri(self):
with patch('pymongo.MongoClient') as mock_Connection:
mongodb_uri = 'mongodb://%s:%d' % (MONGODB_HOST, MONGODB_PORT)
self.backend._connection = None
self.backend.host = mongodb_uri
mock_Connection.return_value = sentinel.connection
connection = self.backend._get_connection()
mock_Connection.assert_called_once_with(
host=mongodb_uri, **self.backend._prepare_client_options()
)
self.assertEqual(sentinel.connection, connection)
@patch('celery.backends.mongodb.MongoBackend._get_connection')
def test_get_database_no_existing(self, mock_get_connection):
# Should really check for combinations of these two, to be complete.
self.backend.user = MONGODB_USER
self.backend.password = MONGODB_PASSWORD
mock_database = Mock()
mock_connection = MagicMock(spec=['__getitem__'])
mock_connection.__getitem__.return_value = mock_database
mock_get_connection.return_value = mock_connection
database = self.backend.database
self.assertTrue(database is mock_database)
self.assertTrue(self.backend.__dict__['database'] is mock_database)
mock_database.authenticate.assert_called_once_with(
MONGODB_USER, MONGODB_PASSWORD)
@patch('celery.backends.mongodb.MongoBackend._get_connection')
def test_get_database_no_existing_no_auth(self, mock_get_connection):
# Should really check for combinations of these two, to be complete.
self.backend.user = None
self.backend.password = None
mock_database = Mock()
mock_connection = MagicMock(spec=['__getitem__'])
mock_connection.__getitem__.return_value = mock_database
mock_get_connection.return_value = mock_connection
database = self.backend.database
self.assertTrue(database is mock_database)
self.assertFalse(mock_database.authenticate.called)
self.assertTrue(self.backend.__dict__['database'] is mock_database)
def test_process_cleanup(self):
self.backend._connection = None
self.backend.process_cleanup()
self.assertEqual(self.backend._connection, None)
self.backend._connection = 'not none'
self.backend.process_cleanup()
self.assertEqual(self.backend._connection, None)
@patch('celery.backends.mongodb.MongoBackend._get_database')
def test_store_result(self, mock_get_database):
self.backend.taskmeta_collection = MONGODB_COLLECTION
mock_database = MagicMock(spec=['__getitem__', '__setitem__'])
mock_collection = Mock()
mock_get_database.return_value = mock_database
mock_database.__getitem__.return_value = mock_collection
ret_val = self.backend._store_result(
sentinel.task_id, sentinel.result, sentinel.status)
mock_get_database.assert_called_once_with()
mock_database.__getitem__.assert_called_once_with(MONGODB_COLLECTION)
mock_collection.save.assert_called_once_with(ANY)
self.assertEqual(sentinel.result, ret_val)
@patch('celery.backends.mongodb.MongoBackend._get_database')
def test_get_task_meta_for(self, mock_get_database):
datetime.datetime = self._reset['datetime']
self.backend.taskmeta_collection = MONGODB_COLLECTION
mock_database = MagicMock(spec=['__getitem__', '__setitem__'])
mock_collection = Mock()
mock_collection.find_one.return_value = MagicMock()
mock_get_database.return_value = mock_database
mock_database.__getitem__.return_value = mock_collection
ret_val = self.backend._get_task_meta_for(sentinel.task_id)
mock_get_database.assert_called_once_with()
mock_database.__getitem__.assert_called_once_with(MONGODB_COLLECTION)
self.assertEqual(
list(sorted(['status', 'task_id', 'date_done', 'traceback',
'result', 'children'])),
list(sorted(ret_val.keys())),
)
@patch('celery.backends.mongodb.MongoBackend._get_database')
def test_get_task_meta_for_no_result(self, mock_get_database):
self.backend.taskmeta_collection = MONGODB_COLLECTION
mock_database = MagicMock(spec=['__getitem__', '__setitem__'])
mock_collection = Mock()
mock_collection.find_one.return_value = None
mock_get_database.return_value = mock_database
mock_database.__getitem__.return_value = mock_collection
ret_val = self.backend._get_task_meta_for(sentinel.task_id)
mock_get_database.assert_called_once_with()
mock_database.__getitem__.assert_called_once_with(MONGODB_COLLECTION)
self.assertEqual({'status': states.PENDING, 'result': None}, ret_val)
@patch('celery.backends.mongodb.MongoBackend._get_database')
def test_save_group(self, mock_get_database):
self.backend.taskmeta_collection = MONGODB_COLLECTION
mock_database = MagicMock(spec=['__getitem__', '__setitem__'])
mock_collection = Mock()
mock_get_database.return_value = mock_database
mock_database.__getitem__.return_value = mock_collection
ret_val = self.backend._save_group(
sentinel.taskset_id, sentinel.result)
mock_get_database.assert_called_once_with()
mock_database.__getitem__.assert_called_once_with(MONGODB_COLLECTION)
mock_collection.save.assert_called_once_with(ANY)
self.assertEqual(sentinel.result, ret_val)
@patch('celery.backends.mongodb.MongoBackend._get_database')
def test_restore_group(self, mock_get_database):
self.backend.taskmeta_collection = MONGODB_COLLECTION
mock_database = MagicMock(spec=['__getitem__', '__setitem__'])
mock_collection = Mock()
mock_collection.find_one.return_value = MagicMock()
mock_get_database.return_value = mock_database
mock_database.__getitem__.return_value = mock_collection
ret_val = self.backend._restore_group(sentinel.taskset_id)
mock_get_database.assert_called_once_with()
mock_database.__getitem__.assert_called_once_with(MONGODB_COLLECTION)
mock_collection.find_one.assert_called_once_with(
{'_id': sentinel.taskset_id})
self.assertItemsEqual(
['date_done', 'result', 'task_id'],
list(ret_val.keys()),
)
@patch('celery.backends.mongodb.MongoBackend._get_database')
def test_delete_group(self, mock_get_database):
self.backend.taskmeta_collection = MONGODB_COLLECTION
mock_database = MagicMock(spec=['__getitem__', '__setitem__'])
mock_collection = Mock()
mock_get_database.return_value = mock_database
mock_database.__getitem__.return_value = mock_collection
self.backend._delete_group(sentinel.taskset_id)
mock_get_database.assert_called_once_with()
mock_database.__getitem__.assert_called_once_with(MONGODB_COLLECTION)
mock_collection.remove.assert_called_once_with(
{'_id': sentinel.taskset_id})
@patch('celery.backends.mongodb.MongoBackend._get_database')
def test_forget(self, mock_get_database):
self.backend.taskmeta_collection = MONGODB_COLLECTION
mock_database = MagicMock(spec=['__getitem__', '__setitem__'])
mock_collection = Mock()
mock_get_database.return_value = mock_database
mock_database.__getitem__.return_value = mock_collection
self.backend._forget(sentinel.task_id)
mock_get_database.assert_called_once_with()
mock_database.__getitem__.assert_called_once_with(
MONGODB_COLLECTION)
mock_collection.remove.assert_called_once_with(
{'_id': sentinel.task_id})
@patch('celery.backends.mongodb.MongoBackend._get_database')
def test_cleanup(self, mock_get_database):
datetime.datetime = self._reset['datetime']
self.backend.taskmeta_collection = MONGODB_COLLECTION
mock_database = MagicMock(spec=['__getitem__', '__setitem__'])
self.backend.collections = mock_collection = Mock()
mock_get_database.return_value = mock_database
mock_database.__getitem__.return_value = mock_collection
self.backend.app.now = datetime.datetime.utcnow
self.backend.cleanup()
mock_get_database.assert_called_once_with()
mock_database.__getitem__.assert_called_once_with(
MONGODB_COLLECTION)
self.assertTrue(mock_collection.remove.called)
def test_get_database_authfailure(self):
x = MongoBackend(app=self.app)
x._get_connection = Mock()
conn = x._get_connection.return_value = {}
db = conn[x.database_name] = Mock()
db.authenticate.return_value = False
x.user = 'jerry'
x.password = 'cere4l'
with self.assertRaises(ImproperlyConfigured):
x._get_database()
db.authenticate.assert_called_with('jerry', 'cere4l')
@patch('celery.backends.mongodb.detect_environment')
def test_prepare_client_options_for_ver_2(self, m_detect_env):
m_detect_env.return_value = 'default'
with patch('pymongo.version_tuple', new=(2, 6, 3)):
options = self.backend._prepare_client_options()
self.assertDictEqual(options, {
'max_pool_size': self.backend.max_pool_size,
'auto_start_request': False
})
@patch('celery.backends.mongodb.detect_environment')
def test_prepare_client_options_for_ver_2_with_gevent(self, m_detect_env):
m_detect_env.return_value = 'gevent'
with patch('pymongo.version_tuple', new=(2, 6, 3)):
options = self.backend._prepare_client_options()
self.assertDictEqual(options, {
'max_pool_size': self.backend.max_pool_size,
'auto_start_request': False,
'use_greenlets': True
})
@patch('celery.backends.mongodb.detect_environment')
def test_prepare_client_options_for_ver_3(self, m_detect_env):
m_detect_env.return_value = 'default'
with patch('pymongo.version_tuple', new=(3, 0, 3)):
options = self.backend._prepare_client_options()
self.assertDictEqual(options, {
'maxPoolSize': self.backend.max_pool_size
})
@patch('celery.backends.mongodb.detect_environment')
def test_prepare_client_options_for_ver_3_with_gevent(self, m_detect_env):
m_detect_env.return_value = 'gevent'
with patch('pymongo.version_tuple', new=(3, 0, 3)):
options = self.backend._prepare_client_options()
self.assertDictEqual(options, {
'maxPoolSize': self.backend.max_pool_size
})
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