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import os
from unittest import mock
import mongomock
from mongomock import helpers
from packaging import version
try:
import pymongo
except ImportError:
pymongo = None
from tests.multicollection import MultiCollection
from unittest import TestCase, skipIf
# https://pymongo.readthedocs.io/en/stable/migrate-to-pymongo4.html#collection-initialize-ordered-bulk-op-and-initialize-unordered-bulk-op-is-removed
@skipIf(helpers.PYMONGO_VERSION >= version.parse('4.0'), 'pymongo v4 or above')
class BulkOperationsTest(TestCase):
test_with_pymongo = False
def setUp(self):
super(BulkOperationsTest, self).setUp()
if self.test_with_pymongo:
self.client = pymongo.MongoClient(host=os.environ.get('TEST_MONGO_HOST', 'localhost'))
else:
self.client = mongomock.MongoClient()
self.db = self.client['somedb']
self.db.collection.drop()
for _i in 'abx':
self.db.collection.create_index(
_i, unique=False, name='idx' + _i, sparse=True, background=True)
self.bulk_op = self.db.collection.initialize_ordered_bulk_op()
def __check_document(self, doc, count=1):
found_num = self.db.collection.find(doc).count()
if found_num != count:
all = list(self.db.collection.find())
self.fail('Document %s count()=%s BUT expected count=%s! All'
' documents: %s' % (doc, found_num, count, all))
def __check_result(self, result, **expecting_values):
for key in ('nModified', 'nUpserted', 'nMatched', 'writeErrors',
'upserted', 'writeConcernErrors', 'nRemoved', 'nInserted'):
exp_val = expecting_values.get(key)
has_val = result.get(key)
if self.test_with_pymongo and key == 'nModified' and has_val is None:
# ops, real pymongo did not returned 'nModified' key!
continue
self.assertFalse(has_val is None, "Missed key '%s' in result: %s" % (key, result))
if exp_val:
self.assertEqual(
exp_val, has_val, 'Invalid result %s=%s (but expected value=%s)' % (
key, has_val, exp_val))
else:
self.assertFalse(
bool(has_val), 'Received unexpected value %s = %s' % (key, has_val))
def __execute_and_check_result(self, write_concern=None, **expecting_result):
result = self.bulk_op.execute(write_concern=write_concern)
self.__check_result(result, **expecting_result)
def __check_number_of_elements(self, count):
has_count = self.db.collection.count()
self.assertEqual(
has_count, count, 'There is %s documents but there should be %s' % (has_count, count))
def test__insert(self):
self.bulk_op.insert({'a': 1, 'b': 2})
self.bulk_op.insert({'a': 2, 'b': 4})
self.bulk_op.insert({'a': 2, 'b': 6})
self.__check_number_of_elements(0)
self.__execute_and_check_result(nInserted=3)
self.__check_document({'a': 1, 'b': 2})
self.__check_document({'a': 2, 'b': 4})
self.__check_document({'a': 2, 'b': 6})
def test__bulk_update_must_raise_error_if_missed_operator(self):
self.assertRaises(ValueError, self.bulk_op.find({'a': 1}).update, {'b': 20})
def test__bulk_execute_must_raise_error_if_bulk_empty(self):
self.assertRaises(mongomock.InvalidOperation, self.bulk_op.execute)
def test_update(self):
self.bulk_op.find({'a': 1}).update({'$set': {'b': 20}})
self.__execute_and_check_result()
self.__check_number_of_elements(0)
def test__update_must_update_all_documents(self):
self.db.collection.insert_one({'a': 1, 'b': 2})
self.db.collection.insert_one({'a': 2, 'b': 4})
self.db.collection.insert_one({'a': 2, 'b': 8})
self.bulk_op.find({'a': 1}).update({'$set': {'b': 20}})
self.bulk_op.find({'a': 2}).update({'$set': {'b': 40}})
self.__check_document({'a': 1, 'b': 2})
self.__check_document({'a': 2, 'b': 4})
self.__check_document({'a': 2, 'b': 8})
self.__execute_and_check_result(nMatched=3, nModified=3)
self.__check_document({'a': 1, 'b': 20})
self.__check_document({'a': 2, 'b': 40}, 2)
def test__ordered_insert_and_update(self):
self.bulk_op.insert({'a': 1, 'b': 2})
self.bulk_op.find({'a': 1}).update({'$set': {'b': 3}})
self.__execute_and_check_result(nInserted=1, nMatched=1, nModified=1)
self.__check_document({'a': 1, 'b': 3})
def test__update_one(self):
self.db.collection.insert_one({'a': 2, 'b': 1})
self.db.collection.insert_one({'a': 2, 'b': 2})
self.bulk_op.find({'a': 2}).update_one({'$set': {'b': 3}})
self.__execute_and_check_result(nMatched=1, nModified=1)
self.__check_document({'a': 2}, count=2)
self.__check_number_of_elements(2)
def test__remove(self):
self.db.collection.insert_one({'a': 2, 'b': 1})
self.db.collection.insert_one({'a': 2, 'b': 2})
self.bulk_op.find({'a': 2}).remove()
self.__execute_and_check_result(nRemoved=2)
self.__check_number_of_elements(0)
def test__remove_one(self):
self.db.collection.insert_one({'a': 2, 'b': 1})
self.db.collection.insert_one({'a': 2, 'b': 2})
self.bulk_op.find({'a': 2}).remove_one()
self.__execute_and_check_result(nRemoved=1)
self.__check_document({'a': 2}, 1)
self.__check_number_of_elements(1)
def test_upsert_replace_one_on_empty_set(self):
self.bulk_op.find({}).upsert().replace_one({'x': 1})
self.__execute_and_check_result(nUpserted=1, upserted=[{'index': 0, '_id': mock.ANY}])
def test_upsert_replace_one(self):
self.db.collection.insert_one({'a': 2, 'b': 1})
self.db.collection.insert_one({'a': 2, 'b': 2})
self.bulk_op.find({'a': 2}).replace_one({'x': 1})
self.__execute_and_check_result(nModified=1, nMatched=1)
self.__check_document({'a': 2}, 1)
self.__check_document({'x': 1}, 1)
self.__check_number_of_elements(2)
def test_upsert_update_on_empty_set(self):
self.bulk_op.find({}).upsert().update({'$set': {'a': 1, 'b': 2}})
self.__execute_and_check_result(nUpserted=1, upserted=[{'index': 0, '_id': mock.ANY}])
self.__check_document({'a': 1, 'b': 2})
self.__check_number_of_elements(1)
def test_upsert_update(self):
self.db.collection.insert_one({'a': 2, 'b': 1})
self.db.collection.insert_one({'a': 2, 'b': 2})
self.bulk_op.find({'a': 2}).upsert().update({'$set': {'b': 3}})
self.__execute_and_check_result(nMatched=2, nModified=2)
self.__check_document({'a': 2, 'b': 3}, 2)
self.__check_number_of_elements(2)
def test_upsert_update_one(self):
self.db.collection.insert_one({'a': 2, 'b': 1})
self.db.collection.insert_one({'a': 2, 'b': 1})
self.bulk_op.find({'a': 2}).upsert().update_one({'$inc': {'b': 1, 'x': 1}})
self.__execute_and_check_result(nModified=1, nMatched=1)
self.__check_document({'a': 2, 'b': 1}, 1)
self.__check_document({'a': 2, 'b': 2, 'x': 1}, 1)
self.__check_number_of_elements(2)
@skipIf(not helpers.HAVE_PYMONGO, 'pymongo not installed')
@skipIf(os.getenv('NO_LOCAL_MONGO'), 'No local Mongo server running')
class BulkOperationsWithPymongoTest(BulkOperationsTest):
test_with_pymongo = True
@skipIf(not helpers.HAVE_PYMONGO, 'pymongo not installed')
@skipIf(os.getenv('NO_LOCAL_MONGO'), 'No local Mongo server running')
# https://pymongo.readthedocs.io/en/stable/migrate-to-pymongo4.html#collection-initialize-ordered-bulk-op-and-initialize-unordered-bulk-op-is-removed
@skipIf(helpers.PYMONGO_VERSION >= version.parse('4.0'), 'pymongo v4 or above')
class CollectionComparisonTest(TestCase):
def setUp(self):
super(CollectionComparisonTest, self).setUp()
self.fake_conn = mongomock.MongoClient()
self.mongo_conn = pymongo.MongoClient(host=os.environ.get('TEST_MONGO_HOST', 'localhost'))
self.db_name = 'mongomock___testing_db'
self.collection_name = 'mongomock___testing_collection'
self.mongo_conn[self.db_name][self.collection_name].remove()
self.cmp = MultiCollection({
'fake': self.fake_conn[self.db_name][self.collection_name],
'real': self.mongo_conn[self.db_name][self.collection_name],
})
self.bulks = MultiCollection({
'fake': self.cmp.conns['fake'].initialize_ordered_bulk_op(),
'real': self.cmp.conns['real'].initialize_ordered_bulk_op()
})
# hacky! Depending on mongo server version 'nModified' is returned or not..
# so let make simple bulk operation to know what's the server behaviour...
coll = self.mongo_conn[self.db_name]['mongomock_testing_prepare_test']
bulk = coll.initialize_ordered_bulk_op()
bulk.insert({'a': 1})
insert_returns_nmodified = 'nModified' in bulk.execute()
bulk = self.cmp.conns['real'].initialize_ordered_bulk_op()
bulk.find({'a': 1}).update({'$set': {'a': 2}})
update_returns_nmodified = 'nModified' in bulk.execute()
coll.drop()
self.bulks.conns['fake']._set_nModified_policy(
insert_returns_nmodified, update_returns_nmodified)
def test__insert(self):
self.bulks.do.insert({'a': 1, 'b': 1})
self.bulks.do.insert({'a': 2, 'b': 2})
self.bulks.do.insert({'a': 2, 'b': 2})
self.bulks.compare.execute()
def test__mixed_operations(self):
self.cmp.do.insert({'a': 1, 'b': 3})
self.cmp.do.insert({'a': 2, 'c': 1})
self.cmp.do.insert({'a': 2, 'c': 2})
self.cmp.do.insert({'a': 3, 'c': 1})
self.cmp.do.insert({'a': 4, 'd': 2})
self.cmp.do.insert({'a': 5, 'd': 11})
self.cmp.do.insert({'a': 5, 'd': 22})
self.bulks.do.insert({'a': 1, 'b': 1})
for bwo in self.bulks.do.find({'a': 2}).values():
bwo.remove_one()
for bwo in self.bulks.do.find({'a': 3}).values():
bwo.update({'$inc': {'b': 1}})
for bwo in self.bulks.do.find({'a': 4}).values():
bwo.upsert().replace_one({'b': 11, 'x': 'y'})
for bwo in self.bulks.do.find({'a': 5}).values():
bwo.upsert().update({'$inc': {'b': 11}})
self.bulks.compare.execute()
self.cmp.compare.find(sort=[('a', 1), ('b', 1), ('c', 1), ('d', 1)])
|
