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# Copyright 2009-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 that pymongo is thread safe."""
from __future__ import annotations
import threading
from test import IntegrationTest, client_context, unittest
from test.utils import joinall
@client_context.require_connection
def setUpModule():
pass
class AutoAuthenticateThreads(threading.Thread):
def __init__(self, collection, num):
threading.Thread.__init__(self)
self.coll = collection
self.num = num
self.success = False
self.daemon = True
def run(self):
for i in range(self.num):
self.coll.insert_one({"num": i})
self.coll.find_one({"num": i})
self.success = True
class SaveAndFind(threading.Thread):
def __init__(self, collection):
threading.Thread.__init__(self)
self.collection = collection
self.daemon = True
self.passed = False
def run(self):
sum = 0
for document in self.collection.find():
sum += document["x"]
assert sum == 499500, "sum was %d not 499500" % sum
self.passed = True
class Insert(threading.Thread):
def __init__(self, collection, n, expect_exception):
threading.Thread.__init__(self)
self.collection = collection
self.n = n
self.expect_exception = expect_exception
self.daemon = True
def run(self):
for _ in range(self.n):
error = True
try:
self.collection.insert_one({"test": "insert"})
error = False
except:
if not self.expect_exception:
raise
if self.expect_exception:
assert error
class Update(threading.Thread):
def __init__(self, collection, n, expect_exception):
threading.Thread.__init__(self)
self.collection = collection
self.n = n
self.expect_exception = expect_exception
self.daemon = True
def run(self):
for _ in range(self.n):
error = True
try:
self.collection.update_one({"test": "unique"}, {"$set": {"test": "update"}})
error = False
except:
if not self.expect_exception:
raise
if self.expect_exception:
assert error
class TestThreads(IntegrationTest):
def setUp(self):
super().setUp()
self.db = self.client.pymongo_test
def test_threading(self):
self.db.drop_collection("test")
self.db.test.insert_many([{"x": i} for i in range(1000)])
threads = []
for _i in range(10):
t = SaveAndFind(self.db.test)
t.start()
threads.append(t)
joinall(threads)
def test_safe_insert(self):
self.db.drop_collection("test1")
self.db.test1.insert_one({"test": "insert"})
self.db.drop_collection("test2")
self.db.test2.insert_one({"test": "insert"})
self.db.test2.create_index("test", unique=True)
self.db.test2.find_one()
okay = Insert(self.db.test1, 2000, False)
error = Insert(self.db.test2, 2000, True)
error.start()
okay.start()
error.join()
okay.join()
def test_safe_update(self):
self.db.drop_collection("test1")
self.db.test1.insert_one({"test": "update"})
self.db.test1.insert_one({"test": "unique"})
self.db.drop_collection("test2")
self.db.test2.insert_one({"test": "update"})
self.db.test2.insert_one({"test": "unique"})
self.db.test2.create_index("test", unique=True)
self.db.test2.find_one()
okay = Update(self.db.test1, 2000, False)
error = Update(self.db.test2, 2000, True)
error.start()
okay.start()
error.join()
okay.join()
if __name__ == "__main__":
unittest.main()
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