399 lines
12 KiB
Python
399 lines
12 KiB
Python
# Copyright 2009-2014 MongoDB, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Test that pymongo is thread safe."""
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import threading
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import traceback
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from test import unittest, client_context, pair
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from test.utils import joinall, remove_all_users, RendezvousThread
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from test.test_client import get_client
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from test.utils import get_pool
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from pymongo.pool import SocketInfo, _closed
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from pymongo.errors import AutoReconnect, OperationFailure
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@client_context.require_connection
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def setUpModule():
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pass
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class AutoAuthenticateThreads(threading.Thread):
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def __init__(self, collection, num):
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threading.Thread.__init__(self)
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self.coll = collection
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self.num = num
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self.success = True
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self.setDaemon(True)
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def run(self):
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try:
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for i in range(self.num):
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self.coll.insert({'num':i})
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self.coll.find_one({'num':i})
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except Exception:
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traceback.print_exc()
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self.success = False
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class SaveAndFind(threading.Thread):
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def __init__(self, collection):
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threading.Thread.__init__(self)
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self.collection = collection
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self.setDaemon(True)
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def run(self):
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sum = 0
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for document in self.collection.find():
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sum += document["x"]
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assert sum == 499500, "sum was %d not 499500" % sum
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class Insert(threading.Thread):
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def __init__(self, collection, n, expect_exception):
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threading.Thread.__init__(self)
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self.collection = collection
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self.n = n
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self.expect_exception = expect_exception
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self.setDaemon(True)
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def run(self):
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for _ in range(self.n):
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error = True
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try:
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self.collection.insert({"test": "insert"})
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error = False
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except:
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if not self.expect_exception:
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raise
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if self.expect_exception:
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assert error
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class Update(threading.Thread):
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def __init__(self, collection, n, expect_exception):
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threading.Thread.__init__(self)
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self.collection = collection
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self.n = n
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self.expect_exception = expect_exception
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self.setDaemon(True)
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def run(self):
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for _ in range(self.n):
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error = True
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try:
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self.collection.update({"test": "unique"},
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{"$set": {"test": "update"}})
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error = False
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except:
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if not self.expect_exception:
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raise
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if self.expect_exception:
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assert error
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class IgnoreAutoReconnect(threading.Thread):
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def __init__(self, collection, n):
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threading.Thread.__init__(self)
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self.c = collection
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self.n = n
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self.setDaemon(True)
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def run(self):
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for _ in range(self.n):
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try:
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self.c.find_one()
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except AutoReconnect:
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pass
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class FindPauseFind(RendezvousThread):
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"""See test_server_disconnect() for details"""
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def __init__(self, collection, state):
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"""Params:
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`collection`: A collection for testing
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`state`: A shared state object from RendezvousThread.shared_state()
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"""
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super(FindPauseFind, self).__init__(state)
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self.collection = collection
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def before_rendezvous(self):
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# acquire a socket
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list(self.collection.find())
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pool = get_pool(self.collection.database.connection)
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socket_info = pool._get_request_state()
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assert isinstance(socket_info, SocketInfo)
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self.request_sock = socket_info.sock
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assert not _closed(self.request_sock)
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def after_rendezvous(self):
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# test_server_disconnect() has closed this socket, but that's ok
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# because it's not our request socket anymore
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assert _closed(self.request_sock)
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# if disconnect() properly replaced the pool, then this won't raise
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# AutoReconnect because it will acquire a new socket
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list(self.collection.find())
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assert self.collection.database.connection.in_request()
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pool = get_pool(self.collection.database.connection)
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assert self.request_sock != pool._get_request_state().sock
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class BaseTestThreads(object):
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"""
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Base test class for TestThreads and TestThreadsReplicaSet. (This
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is not itself a unittest.TestCase, otherwise it'd be run twice --
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once when unittest imports this module, and once when unittest
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imports test_threads_replica_set_connection.py, which imports this
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module.)
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"""
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def setUp(self):
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self.db = self._get_client().pymongo_test
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def tearDown(self):
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# Clear client reference so that RSC's monitor thread
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# dies.
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self.db = None
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def _get_client(self):
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"""
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Intended for overriding in TestThreadsReplicaSet. This method
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returns a MongoClient here, and a MongoReplicaSetClient in
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test_threads_replica_set_connection.py.
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"""
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# Regular test client
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return get_client(pair)
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def test_threading(self):
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self.db.drop_collection("test")
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for i in range(1000):
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self.db.test.save({"x": i})
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threads = []
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for i in range(10):
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t = SaveAndFind(self.db.test)
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t.start()
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threads.append(t)
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joinall(threads)
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def test_safe_insert(self):
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self.db.drop_collection("test1")
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self.db.test1.insert({"test": "insert"})
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self.db.drop_collection("test2")
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self.db.test2.insert({"test": "insert"})
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self.db.test2.create_index("test", unique=True)
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self.db.test2.find_one()
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okay = Insert(self.db.test1, 2000, False)
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error = Insert(self.db.test2, 2000, True)
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error.start()
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okay.start()
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error.join()
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okay.join()
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def test_safe_update(self):
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self.db.drop_collection("test1")
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self.db.test1.insert({"test": "update"})
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self.db.test1.insert({"test": "unique"})
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self.db.drop_collection("test2")
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self.db.test2.insert({"test": "update"})
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self.db.test2.insert({"test": "unique"})
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self.db.test2.create_index("test", unique=True)
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self.db.test2.find_one()
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okay = Update(self.db.test1, 2000, False)
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error = Update(self.db.test2, 2000, True)
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error.start()
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okay.start()
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error.join()
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okay.join()
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def test_server_disconnect(self):
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# PYTHON-345, we need to make sure that threads' request sockets are
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# closed by disconnect().
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#
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# 1. Create a client with auto_start_request=True
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# 2. Start N threads and do a find() in each to get a request socket
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# 3. Pause all threads
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# 4. In the main thread close all sockets, including threads' request
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# sockets
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# 5. In main thread, do a find(), which raises AutoReconnect and resets
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# pool
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# 6. Resume all threads, do a find() in them
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#
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# If we've fixed PYTHON-345, then only one AutoReconnect is raised,
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# and all the threads get new request sockets.
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cx = get_client(pair, auto_start_request=True)
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collection = cx.db.pymongo_test
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# acquire a request socket for the main thread
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collection.find_one()
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pool = get_pool(collection.database.connection)
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socket_info = pool._get_request_state()
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assert isinstance(socket_info, SocketInfo)
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request_sock = socket_info.sock
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state = FindPauseFind.create_shared_state(nthreads=10)
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threads = [
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FindPauseFind(collection, state)
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for _ in range(state.nthreads)
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]
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# Each thread does a find(), thus acquiring a request socket
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for t in threads:
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t.start()
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# Wait for the threads to reach the rendezvous
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FindPauseFind.wait_for_rendezvous(state)
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try:
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# Simulate an event that closes all sockets, e.g. primary stepdown
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for t in threads:
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t.request_sock.close()
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# Finally, ensure the main thread's socket's last_checkout is
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# updated:
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collection.find_one()
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# ... and close it:
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request_sock.close()
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# Doing an operation on the client raises an AutoReconnect and
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# resets the pool behind the scenes
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self.assertRaises(AutoReconnect, collection.find_one)
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finally:
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# Let threads do a second find()
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FindPauseFind.resume_after_rendezvous(state)
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joinall(threads)
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for t in threads:
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self.assertTrue(t.passed, "%s threw exception" % t)
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class BaseTestThreadsAuth(object):
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"""
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Base test class for TestThreadsAuth and TestThreadsAuthReplicaSet. (This is
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not itself a unittest.TestCase, otherwise it'd be run twice -- once when
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unittest imports this module, and once when unittest imports
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test_threads_replica_set_connection.py, which imports this module.)
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"""
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@classmethod
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@client_context.require_auth
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def setUpClass(cls):
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pass
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def _get_client(self):
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"""
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Intended for overriding in TestThreadsAuthReplicaSet. This method
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returns a MongoClient here, and a MongoReplicaSetClient in
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test_threads_replica_set_connection.py.
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"""
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# Regular test client
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return get_client(pair)
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def setUp(self):
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client = self._get_client()
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self.client = client
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self.client.admin.add_user('admin-user', 'password',
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roles=['clusterAdmin',
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'dbAdminAnyDatabase',
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'readWriteAnyDatabase',
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'userAdminAnyDatabase'])
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# client returned from self._get_client() may already be authenticated
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# to get around restricted localhost exception in MongoDB >= 2.7.1.
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self.client.admin.logout()
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self.client.admin.authenticate("admin-user", "password")
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self.client.auth_test.add_user("test-user", "password",
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roles=['readWrite'])
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def tearDown(self):
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# Remove auth users from databases
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self.client.admin.authenticate("admin-user", "password")
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remove_all_users(self.client.auth_test)
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self.client.drop_database('auth_test')
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self.client.admin.remove_user('admin-user')
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self.client.admin.logout()
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# Clear client reference so that RSC's monitor thread
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# dies.
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self.client = None
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def test_auto_auth_login(self):
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client = self._get_client()
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client.admin.logout()
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self.assertRaises(OperationFailure, client.auth_test.test.find_one)
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# Admin auth
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client = self._get_client()
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client.admin.logout()
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client.admin.authenticate("admin-user", "password")
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nthreads = 10
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threads = []
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for _ in range(nthreads):
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t = AutoAuthenticateThreads(client.auth_test.test, 100)
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t.start()
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threads.append(t)
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joinall(threads)
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for t in threads:
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self.assertTrue(t.success)
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# Database-specific auth
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client = self._get_client()
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client.admin.logout()
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client.auth_test.authenticate("test-user", "password")
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threads = []
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for _ in range(nthreads):
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t = AutoAuthenticateThreads(client.auth_test.test, 100)
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t.start()
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threads.append(t)
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joinall(threads)
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for t in threads:
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self.assertTrue(t.success)
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class TestThreads(BaseTestThreads, unittest.TestCase):
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pass
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class TestThreadsAuth(BaseTestThreadsAuth, unittest.TestCase):
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pass
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if __name__ == "__main__":
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unittest.main()
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