mongo-python-driver/test/test_replica_set_client.py

1427 lines
54 KiB
Python

# Copyright 2011-2015 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 the mongo_replica_set_client module."""
# TODO: anywhere we wait for refresh in tests, consider just refreshing w/ sync
import copy
import datetime
import random
import signal
import socket
import sys
import time
import thread
import threading
import traceback
import unittest
import warnings
sys.path[0:0] = [""]
from nose.plugins.skip import SkipTest
from bson import JAVA_LEGACY
from bson.son import SON
from bson.tz_util import utc
from pymongo.mongo_client import MongoClient
from pymongo.read_preferences import ReadPreference
from pymongo.member import SECONDARY, Member
from pymongo.mongo_replica_set_client import MongoReplicaSetClient, Monitor
from pymongo.mongo_replica_set_client import _partition_node, have_gevent
from pymongo.database import Database
from pymongo.pool import SocketInfo
from pymongo.errors import (AutoReconnect,
ConfigurationError,
ConnectionFailure,
InvalidName,
OperationFailure, InvalidOperation)
from test import version, port, pair, skip_restricted_localhost, auth_context
from test.pymongo_mocks import MockReplicaSetClient
from test.utils import (
delay, assertReadFrom, assertReadFromAll, read_from_which_host,
assertRaisesExactly, TestRequestMixin, one, pools_from_rs_client, get_pool,
_TestLazyConnectMixin, _TestExhaustCursorMixin, catch_warnings)
setUpModule = skip_restricted_localhost
class TestReplicaSetClientAgainstStandalone(unittest.TestCase):
"""This is a funny beast -- we want to run tests for MongoReplicaSetClient
but only if the database at DB_IP and DB_PORT is a standalone.
"""
def setUp(self):
client = MongoClient(pair)
response = client.admin.command('ismaster')
if 'setName' in response:
raise SkipTest("Connected to a replica set, not a standalone mongod")
def test_connect(self):
self.assertRaises(ConfigurationError, MongoReplicaSetClient,
pair, replicaSet='anything',
connectTimeoutMS=600)
class TestReplicaSetClientBase(unittest.TestCase):
def setUp(self):
client = MongoClient(pair)
response = client.admin.command('ismaster')
if 'setName' in response:
self.name = str(response['setName'])
self.w = len(response['hosts'])
self.hosts = set([_partition_node(h)
for h in response["hosts"]])
self.arbiters = set([_partition_node(h)
for h in response.get("arbiters", [])])
# Cannot run replSetGetStatus in MongoDB >= 2.7.1 under auth once a
# user has been added.
repl_set_status = auth_context.client.admin.command(
'replSetGetStatus')
primary_info = [
m for m in repl_set_status['members']
if m['stateStr'] == 'PRIMARY'
][0]
self.primary = _partition_node(primary_info['name'])
self.secondaries = [
_partition_node(m['name']) for m in repl_set_status['members']
if m['stateStr'] == 'SECONDARY'
]
else:
raise SkipTest("Not connected to a replica set")
super(TestReplicaSetClientBase, self).setUp()
def _get_client(self, **kwargs):
return MongoReplicaSetClient(
pair, replicaSet=self.name, **kwargs)
class TestReplicaSetClient(TestReplicaSetClientBase, TestRequestMixin):
def assertSoon(self, fn, msg=None):
start = time.time()
while time.time() - start < 10:
if fn():
return
time.sleep(0.1)
self.fail(msg)
def assertIsInstance(self, obj, cls, msg=None):
"""Backport from Python 2.7."""
if not isinstance(obj, cls):
standardMsg = '%r is not an instance of %r' % (obj, cls)
self.fail(self._formatMessage(msg, standardMsg))
def test_keyword_arg_defaults(self):
ctx = catch_warnings()
try:
warnings.simplefilter("ignore", DeprecationWarning)
client = MongoReplicaSetClient(
socketTimeoutMS=None,
connectTimeoutMS=20000,
waitQueueTimeoutMS=None,
waitQueueMultiple=None,
socketKeepAlive=False,
auto_start_request=False,
use_greenlets=False,
replicaSet='myreplset', # Required
read_preference=ReadPreference.PRIMARY,
tag_sets=[{}],
ssl=False,
ssl_keyfile=None,
ssl_certfile=None,
ssl_ca_certs=None,
_connect=False)
self.assertEqual(
None, client._MongoReplicaSetClient__net_timeout)
# socket.Socket.settimeout takes a float in seconds
self.assertEqual(
20.0, client._MongoReplicaSetClient__conn_timeout)
self.assertEqual(
None, client._MongoReplicaSetClient__wait_queue_timeout)
self.assertEqual(
None, client._MongoReplicaSetClient__wait_queue_multiple)
self.assertFalse(client._MongoReplicaSetClient__socket_keepalive)
self.assertFalse(client.auto_start_request)
self.assertFalse(client.use_greenlets)
self.assertEqual('myreplset',
client._MongoReplicaSetClient__name)
self.assertEqual(ReadPreference.PRIMARY, client.read_preference)
self.assertEqual([{}], client.tag_sets)
self.assertFalse(client._MongoReplicaSetClient__use_ssl)
self.assertEqual(None, client._MongoReplicaSetClient__ssl_keyfile)
self.assertEqual(None, client._MongoReplicaSetClient__ssl_certfile)
self.assertEqual(None, client._MongoReplicaSetClient__ssl_ca_certs)
finally:
ctx.exit()
def test_repl_max_pool_size_zero(self):
self.assertRaises(ConfigurationError, MongoReplicaSetClient,
maxPoolSize=0)
def test_init_disconnected(self):
c = self._get_client(_connect=False)
ctx = catch_warnings()
try:
warnings.simplefilter("ignore", DeprecationWarning)
self.assertIsInstance(c.is_mongos, bool)
self.assertIsInstance(c.max_pool_size, int)
self.assertIsInstance(c.use_greenlets, bool)
self.assertIsInstance(c.auto_start_request, bool)
self.assertIsInstance(c.tz_aware, bool)
self.assertIsInstance(c.max_bson_size, int)
self.assertIsInstance(c.min_wire_version, int)
self.assertIsInstance(c.max_wire_version, int)
self.assertIsInstance(c.seeds, set)
self.assertIsInstance(c.hosts, frozenset)
self.assertIsInstance(c.arbiters, frozenset)
self.assertEqual(dict, c.get_document_class())
self.assertFalse(c.primary)
self.assertFalse(c.secondaries)
finally:
ctx.exit()
c.pymongo_test.test.find_one() # Auto-connect for read.
self.assertTrue(c.primary)
self.assertTrue(c.secondaries)
if version.at_least(c, (2, 5, 4, -1)):
self.assertTrue(c.max_wire_version > 0)
else:
self.assertEqual(c.max_wire_version, 0)
self.assertTrue(c.min_wire_version >= 0)
c = self._get_client(_connect=False)
c.pymongo_test.test.update({}, {}) # Auto-connect for write.
self.assertTrue(c.primary)
c = self._get_client(_connect=False)
c.pymongo_test.test.insert({}) # Auto-connect for write.
self.assertTrue(c.primary)
c = self._get_client(_connect=False)
c.pymongo_test.test.remove({}) # Auto-connect for write.
self.assertTrue(c.primary)
c = MongoReplicaSetClient(
"somedomainthatdoesntexist.org", replicaSet="rs",
connectTimeoutMS=1, _connect=False)
self.assertRaises(ConnectionFailure, c.pymongo_test.test.find_one)
def test_connect(self):
assertRaisesExactly(ConnectionFailure, MongoReplicaSetClient,
"somedomainthatdoesntexist.org:27017",
replicaSet=self.name,
connectTimeoutMS=600)
self.assertRaises(ConfigurationError, MongoReplicaSetClient,
pair, replicaSet='fdlksjfdslkjfd')
self.assertTrue(MongoReplicaSetClient(pair, replicaSet=self.name))
# Test that connect=False prevents the constructor from raising
# ConnectionFailure.
client = MongoReplicaSetClient("somedomainthatdoesnotexist.org",
connectTimeoutMS=100, connect=False,
replicaSet=self.name)
try:
client.admin.command("ismaster")
except AutoReconnect:
pass
def test_repr(self):
client = self._get_client()
# Quirk: the RS client makes a frozenset of hosts from a dict's keys,
# so we must do the same to achieve the same order.
host_dict = dict([(host, 1) for host in self.hosts])
hosts_set = frozenset(host_dict)
hosts_repr = ', '.join([
repr(unicode('%s:%s' % host)) for host in hosts_set])
self.assertEqual(repr(client),
"MongoReplicaSetClient([%s])" % hosts_repr)
def test_properties(self):
c = MongoReplicaSetClient(pair, replicaSet=self.name)
c.admin.command('ping')
ctx = catch_warnings()
try:
warnings.simplefilter("ignore", DeprecationWarning)
self.assertEqual(c.primary, self.primary)
self.assertEqual(c.address, self.primary)
self.assertEqual(c.hosts, self.hosts)
self.assertEqual(c.arbiters, self.arbiters)
self.assertEqual(c.max_pool_size, 100)
self.assertEqual(c.document_class, dict)
self.assertEqual(c.tz_aware, False)
# Make sure MRSC's properties are copied to Database and Collection
for obj in c, c.pymongo_test, c.pymongo_test.test:
self.assertEqual(obj.read_preference, ReadPreference.PRIMARY)
self.assertEqual(obj.tag_sets, [{}])
self.assertEqual(obj.secondary_acceptable_latency_ms, 15)
self.assertEqual(obj.slave_okay, False)
self.assertEqual(obj.write_concern, {})
cursor = c.pymongo_test.test.find()
self.assertEqual(
ReadPreference.PRIMARY, cursor._Cursor__read_preference)
self.assertEqual([{}], cursor._Cursor__tag_sets)
self.assertEqual(
15, cursor._Cursor__secondary_acceptable_latency_ms)
self.assertEqual(False, cursor._Cursor__slave_okay)
c.close()
tag_sets = [{'dc': 'la', 'rack': '2'}, {'foo': 'bar'}]
c = MongoReplicaSetClient(pair, replicaSet=self.name,
max_pool_size=25,
document_class=SON, tz_aware=True,
slaveOk=False,
read_preference=ReadPreference.SECONDARY,
tag_sets=copy.deepcopy(tag_sets),
secondary_acceptable_latency_ms=77)
self.assertEqual(c.primary, self.primary)
self.assertEqual(c.address, self.primary)
self.assertEqual(c.hosts, self.hosts)
self.assertEqual(c.arbiters, self.arbiters)
self.assertEqual(c.max_pool_size, 25)
self.assertEqual(c.document_class, SON)
self.assertEqual(c.tz_aware, True)
for obj in c, c.pymongo_test, c.pymongo_test.test:
self.assertEqual(obj.read_preference, ReadPreference.SECONDARY)
self.assertEqual(obj.tag_sets, tag_sets)
self.assertEqual(obj.secondary_acceptable_latency_ms, 77)
self.assertEqual(obj.slave_okay, False)
self.assertEqual(obj.safe, True)
cursor = c.pymongo_test.test.find()
self.assertEqual(
ReadPreference.SECONDARY, cursor._Cursor__read_preference)
self.assertEqual(tag_sets, cursor._Cursor__tag_sets)
self.assertEqual(
77, cursor._Cursor__secondary_acceptable_latency_ms)
self.assertEqual(False, cursor._Cursor__slave_okay)
cursor = c.pymongo_test.test.find(
read_preference=ReadPreference.NEAREST,
tag_sets=[{'dc':'ny'}, {}],
secondary_acceptable_latency_ms=123)
self.assertEqual(
ReadPreference.NEAREST, cursor._Cursor__read_preference)
self.assertEqual([{'dc':'ny'}, {}], cursor._Cursor__tag_sets)
self.assertEqual(
123, cursor._Cursor__secondary_acceptable_latency_ms)
self.assertEqual(False, cursor._Cursor__slave_okay)
if version.at_least(c, (1, 7, 4)):
self.assertEqual(c.max_bson_size, 16777216)
else:
self.assertEqual(c.max_bson_size, 4194304)
c.close()
finally:
ctx.exit()
def test_use_greenlets(self):
ctx = catch_warnings()
try:
warnings.simplefilter("ignore", DeprecationWarning)
self.assertFalse(
MongoReplicaSetClient(
pair, replicaSet=self.name).use_greenlets)
if have_gevent:
self.assertTrue(
MongoReplicaSetClient(
pair,
replicaSet=self.name,
use_greenlets=True).use_greenlets)
finally:
ctx.exit()
def test_get_db(self):
client = self._get_client()
def make_db(base, name):
return base[name]
self.assertRaises(InvalidName, make_db, client, "")
self.assertRaises(InvalidName, make_db, client, "te$t")
self.assertRaises(InvalidName, make_db, client, "te.t")
self.assertRaises(InvalidName, make_db, client, "te\\t")
self.assertRaises(InvalidName, make_db, client, "te/t")
self.assertRaises(InvalidName, make_db, client, "te st")
self.assertTrue(isinstance(client.test, Database))
self.assertEqual(client.test, client["test"])
self.assertEqual(client.test, Database(client, "test"))
client.close()
def test_auto_reconnect_exception_when_read_preference_is_secondary(self):
c = self._get_client()
db = c.pymongo_test
def raise_socket_error(*args, **kwargs):
raise socket.error
# In Jython 2.7 socket.socket is a function, not a class.
sock = socket.socket()
klass = sock.__class__
old_sendall = klass.sendall
klass.sendall = raise_socket_error
try:
cursor = db.test.find(read_preference=ReadPreference.SECONDARY)
self.assertRaises(AutoReconnect, cursor.next)
finally:
klass.sendall = old_sendall
# Silence resource warnings.
sock.close()
def test_operations(self):
c = self._get_client()
# Check explicitly for a case we've commonly hit in tests:
# a replica set is started with a tiny oplog, a previous
# test does a big insert that leaves the secondaries
# permanently "RECOVERING", and our insert(w=self.w) hangs
# forever.
rs_status = c.admin.command('replSetGetStatus')
members = rs_status['members']
self.assertFalse(
[m for m in members if m['stateStr'] == 'RECOVERING'],
"Replica set is recovering, try a larger oplogSize next time"
)
db = c.pymongo_test
db.test.remove({})
self.assertEqual(0, db.test.count())
db.test.insert({'foo': 'x'}, w=self.w, wtimeout=10000)
self.assertEqual(1, db.test.count())
cursor = db.test.find()
doc = cursor.next()
self.assertEqual('x', doc['foo'])
# Ensure we read from the primary
self.assertEqual(c.primary, cursor._Cursor__connection_id)
cursor = db.test.find(read_preference=ReadPreference.SECONDARY)
doc = cursor.next()
self.assertEqual('x', doc['foo'])
# Ensure we didn't read from the primary
self.assertTrue(cursor._Cursor__connection_id in c.secondaries)
self.assertEqual(1, db.test.count())
db.test.remove({})
self.assertEqual(0, db.test.count())
db.test.drop()
c.close()
def test_database_names(self):
client = self._get_client()
client.pymongo_test.test.save({"dummy": u"object"})
client.pymongo_test_mike.test.save({"dummy": u"object"})
dbs = client.database_names()
self.assertTrue("pymongo_test" in dbs)
self.assertTrue("pymongo_test_mike" in dbs)
client.close()
def test_drop_database(self):
client = self._get_client()
self.assertRaises(TypeError, client.drop_database, 5)
self.assertRaises(TypeError, client.drop_database, None)
client.pymongo_test.test.save({"dummy": u"object"})
dbs = client.database_names()
self.assertTrue("pymongo_test" in dbs)
client.drop_database("pymongo_test")
dbs = client.database_names()
self.assertTrue("pymongo_test" not in dbs)
client.pymongo_test.test.save({"dummy": u"object"})
dbs = client.database_names()
self.assertTrue("pymongo_test" in dbs)
client.drop_database(client.pymongo_test)
dbs = client.database_names()
self.assertTrue("pymongo_test" not in dbs)
client.close()
def test_copy_db(self):
c = self._get_client()
ctx = catch_warnings()
try:
warnings.simplefilter("ignore", DeprecationWarning)
self.assertRaises(TypeError, c.copy_database, 4, "foo")
self.assertRaises(TypeError, c.copy_database, "foo", 4)
self.assertRaises(InvalidName, c.copy_database, "foo", "$foo")
c.pymongo_test.test.drop()
c.pymongo_test.test.insert({"foo": "bar"})
c.drop_database("pymongo_test1")
self.assertFalse("pymongo_test1" in c.database_names())
c.copy_database("pymongo_test", "pymongo_test1")
self.assertTrue("pymongo_test1" in c.database_names())
self.assertEqual("bar", c.pymongo_test1.test.find_one()["foo"])
c.drop_database("pymongo_test1")
finally:
ctx.exit()
def test_get_default_database(self):
host = one(self.hosts)
uri = "mongodb://%s:%d/foo?replicaSet=%s" % (
host[0], host[1], self.name)
c = MongoReplicaSetClient(uri, _connect=False)
self.assertEqual(Database(c, 'foo'), c.get_default_database())
def test_get_default_database_error(self):
host = one(self.hosts)
# URI with no database.
uri = "mongodb://%s:%d/?replicaSet=%s" % (
host[0], host[1], self.name)
c = MongoReplicaSetClient(uri, _connect=False)
self.assertRaises(ConfigurationError, c.get_default_database)
def test_get_default_database_with_authsource(self):
# Ensure we distinguish database name from authSource.
host = one(self.hosts)
uri = "mongodb://%s:%d/foo?replicaSet=%s&authSource=src" % (
host[0], host[1], self.name)
c = MongoReplicaSetClient(uri, _connect=False)
self.assertEqual(Database(c, 'foo'), c.get_default_database())
def test_iteration(self):
client = self._get_client()
def iterate():
[a for a in client]
self.assertRaises(TypeError, iterate)
client.close()
def test_disconnect(self):
c = self._get_client()
coll = c.pymongo_test.bar
c.disconnect()
c.disconnect()
coll.count()
c.disconnect()
c.disconnect()
coll.count()
def test_close(self):
# Multiple threads can call close() at once without error, and all
# operations raise InvalidOperation afterward.
c = self._get_client()
nthreads = 10
outcomes = []
def close():
c.close()
outcomes.append(True)
threads = [threading.Thread(target=close) for _ in range(nthreads)]
for t in threads:
t.start()
for t in threads:
t.join(10)
self.assertEqual(nthreads, len(outcomes))
self.assertRaises(InvalidOperation, c.db.collection.find_one)
self.assertRaises(InvalidOperation, c.db.collection.insert, {})
def test_fork(self):
# After a fork the monitor thread is gone.
# Verify that schedule_refresh restarts it.
if sys.platform == "win32":
raise SkipTest("Can't fork on Windows")
try:
from multiprocessing import Process, Pipe
except ImportError:
raise SkipTest("No multiprocessing module")
client = self._get_client()
def f(pipe):
try:
# Trigger a refresh.
self.assertFalse(
client._MongoReplicaSetClient__monitor.isAlive())
client.disconnect()
self.assertSoon(
lambda: client._MongoReplicaSetClient__monitor.isAlive())
client.db.collection.find_one() # No error.
except:
traceback.print_exc()
pipe.send(True)
cp, cc = Pipe()
p = Process(target=f, args=(cc,))
p.start()
p.join(10)
cc.close()
# recv will only have data if the subprocess failed
try:
cp.recv()
self.fail()
except EOFError:
pass
def test_document_class(self):
c = self._get_client()
db = c.pymongo_test
db.test.insert({"x": 1})
ctx = catch_warnings()
try:
warnings.simplefilter("ignore", DeprecationWarning)
self.assertEqual(dict, c.document_class)
self.assertTrue(isinstance(db.test.find_one(), dict))
self.assertFalse(isinstance(db.test.find_one(), SON))
c.document_class = SON
db = c.pymongo_test
self.assertEqual(SON, c.document_class)
self.assertTrue(isinstance(db.test.find_one(), SON))
self.assertFalse(isinstance(db.test.find_one(as_class=dict), SON))
c.close()
c = self._get_client(document_class=SON)
db = c.pymongo_test
self.assertEqual(SON, c.document_class)
self.assertTrue(isinstance(db.test.find_one(), SON))
self.assertFalse(isinstance(db.test.find_one(as_class=dict), SON))
c.document_class = dict
db = c.pymongo_test
self.assertEqual(dict, c.document_class)
self.assertTrue(isinstance(db.test.find_one(), dict))
self.assertFalse(isinstance(db.test.find_one(), SON))
c.close()
finally:
ctx.exit()
def test_network_timeout_validation(self):
c = self._get_client(socketTimeoutMS=10 * 1000)
self.assertEqual(10, c._MongoReplicaSetClient__net_timeout)
c = self._get_client(socketTimeoutMS=None)
self.assertEqual(None, c._MongoReplicaSetClient__net_timeout)
self.assertRaises(
ConfigurationError, self._get_client, socketTimeoutMS=0)
self.assertRaises(
ConfigurationError, self._get_client, socketTimeoutMS=-1)
self.assertRaises(
ConfigurationError, self._get_client, socketTimeoutMS=1e10)
self.assertRaises(
ConfigurationError, self._get_client, socketTimeoutMS='foo')
# network_timeout is gone from MongoReplicaSetClient, remains in
# deprecated ReplicaSetConnection
self.assertRaises(
ConfigurationError, self._get_client, network_timeout=10)
def test_network_timeout(self):
no_timeout = self._get_client()
timeout_sec = 1
timeout = self._get_client(socketTimeoutMS=timeout_sec*1000)
no_timeout.pymongo_test.drop_collection("test")
no_timeout.pymongo_test.test.insert({"x": 1})
# A $where clause that takes a second longer than the timeout.
query = {'$where': delay(1 + timeout_sec)}
no_timeout.pymongo_test.test.find_one(query) # No error.
try:
timeout.pymongo_test.test.find_one(query)
except AutoReconnect, e:
self.assertTrue('%d: timed out' % (port,) in e.args[0])
else:
self.fail('RS client should have raised timeout error')
timeout.pymongo_test.test.find_one(query, network_timeout=None)
try:
no_timeout.pymongo_test.test.find_one(query, network_timeout=0.1)
except AutoReconnect, e:
self.assertTrue('%d: timed out' % (port,) in e.args[0])
else:
self.fail('RS client should have raised timeout error')
try:
timeout.pymongo_test.test.find_one(
query,
read_preference=ReadPreference.SECONDARY)
except AutoReconnect, e:
# Like 'No replica set secondary available for query with
# ReadPreference SECONDARY. host:27018: timed out,
# host:27019: timed out'.
self.assertTrue(
str(e).startswith('No replica set secondary available'))
self.assertTrue('timed out' in str(e))
else:
self.fail('RS client should have raised timeout error')
no_timeout.close()
timeout.close()
def test_timeout_does_not_mark_member_down(self):
# If a query times out, the RS client shouldn't mark the member "down".
c = self._get_client(socketTimeoutMS=3000)
collection = c.pymongo_test.test
collection.insert({}, w=self.w)
# Query the primary.
self.assertRaises(
ConnectionFailure,
collection.find_one,
{'$where': delay(5)})
# primary_member returns None if primary is marked "down".
rs_state = c._MongoReplicaSetClient__rs_state
self.assertTrue(rs_state.primary_member)
collection.find_one() # No error.
# Query the secondary.
self.assertRaises(
ConnectionFailure,
collection.find_one,
{'$where': delay(5)},
read_preference=SECONDARY)
rs_state = c._MongoReplicaSetClient__rs_state
secondary_host = one(rs_state.secondaries)
self.assertTrue(rs_state.get(secondary_host))
collection.find_one(read_preference=SECONDARY) # No error.
def test_waitQueueTimeoutMS(self):
client = self._get_client(waitQueueTimeoutMS=2000)
pool = get_pool(client)
self.assertEqual(pool.wait_queue_timeout, 2)
def test_waitQueueMultiple(self):
client = self._get_client(max_pool_size=3, waitQueueMultiple=2)
pool = get_pool(client)
self.assertEqual(pool.wait_queue_multiple, 2)
self.assertEqual(pool._socket_semaphore.waiter_semaphore.counter, 6)
def test_waitQueueMultiple_backport_maxpoolsize(self):
client = self._get_client(maxpoolsize=3, waitQueueMultiple=2)
pool = get_pool(client)
self.assertEqual(pool.wait_queue_multiple, 2)
self.assertEqual(pool._socket_semaphore.waiter_semaphore.counter, 6)
def test_socketKeepAlive(self):
client = self._get_client(socketKeepAlive=True)
pool = get_pool(client)
self.assertTrue(pool.socket_keepalive)
def test_tz_aware(self):
self.assertRaises(ConfigurationError, MongoReplicaSetClient,
tz_aware='foo', replicaSet=self.name)
aware = self._get_client(tz_aware=True)
naive = self._get_client()
aware.pymongo_test.drop_collection("test")
now = datetime.datetime.utcnow()
aware.pymongo_test.test.insert({"x": now})
time.sleep(1)
self.assertEqual(None, naive.pymongo_test.test.find_one()["x"].tzinfo)
self.assertEqual(utc, aware.pymongo_test.test.find_one()["x"].tzinfo)
self.assertEqual(
aware.pymongo_test.test.find_one()["x"].replace(tzinfo=None),
naive.pymongo_test.test.find_one()["x"])
def test_ipv6(self):
try:
client = MongoReplicaSetClient("[::1]:%d" % (port,),
replicaSet=self.name)
except:
# Either mongod was started without --ipv6
# or the OS doesn't support it (or both).
raise SkipTest("No IPv6")
# Try a few simple things
client = MongoReplicaSetClient("mongodb://[::1]:%d" % (port,),
replicaSet=self.name)
client = MongoReplicaSetClient("mongodb://[::1]:%d/?w=0;"
"replicaSet=%s" % (port, self.name))
client = MongoReplicaSetClient("[::1]:%d,localhost:"
"%d" % (port, port),
replicaSet=self.name)
client = MongoReplicaSetClient("localhost:%d,[::1]:"
"%d" % (port, port),
replicaSet=self.name)
client.pymongo_test.test.save({"dummy": u"object"})
client.pymongo_test_bernie.test.save({"dummy": u"object"})
dbs = client.database_names()
self.assertTrue("pymongo_test" in dbs)
self.assertTrue("pymongo_test_bernie" in dbs)
client.close()
def test_backport_repl_maxpoolsize_uri(self):
uri = "mongodb://%s/?replicaSet=%s" % (pair, self.name)
mps_uri = ("mongodb://%s/?replicaSet=%s;maxPoolSize=10"
% (pair, self.name))
client = MongoReplicaSetClient(uri)
self.assertEqual(client.max_pool_size, 100)
client = MongoReplicaSetClient(uri, maxPoolSize=10)
self.assertEqual(client.max_pool_size, 10)
client = MongoReplicaSetClient(uri, max_pool_size=8, maxPoolSize=10)
self.assertEqual(client.max_pool_size, 10)
client = MongoReplicaSetClient(mps_uri)
self.assertEqual(client.max_pool_size, 10)
client = MongoReplicaSetClient(mps_uri, max_pool_size=8)
self.assertEqual(client.max_pool_size, 10)
client = MongoReplicaSetClient(mps_uri, maxPoolSize=8)
self.assertEqual(client.max_pool_size, 10)
client = MongoReplicaSetClient(mps_uri, max_pool_size=6, maxPoolSize=8)
self.assertEqual(client.max_pool_size, 10)
def test_backport_repl_localthresholdms_uri(self):
uri = ("mongodb://%s/?replicaSet=%s" % (pair, self.name))
lt_uri = ("mongodb://%s/?replicaSet=%s;localThresholdMS=10"
% (pair, self.name))
sl_uri = ("mongodb://%s/?replicaSet=%s;secondaryAcceptableLatencyMS=10"
% (pair, self.name))
sl_lt_uri = ("mongodb://%s/?replicaSet=%s;localThresholdMS=10;"
"secondaryAcceptableLatencyMS=8" % (pair, self.name))
ctx = catch_warnings()
try:
warnings.simplefilter("ignore", DeprecationWarning)
# Just localThresholdMS
client = MongoReplicaSetClient(uri)
self.assertEqual(client.secondary_acceptable_latency_ms, 15)
self.assertEqual(client.local_threshold_ms, 15)
client = MongoReplicaSetClient(uri, localThresholdMS=10)
self.assertEqual(client.secondary_acceptable_latency_ms, 10)
self.assertEqual(client.local_threshold_ms, 10)
client = MongoClient(uri, localThresholdMS=10,
secondaryAcceptableLatencyMS=8)
self.assertEqual(client.secondary_acceptable_latency_ms, 10)
self.assertEqual(client.local_threshold_ms, 10)
# URI options take precedence over kwargs but localThresholdMS
# takes precedence over secondaryAcceptableLatencyMS always. Test
# to make sure the precedence is correct between URI vs. kwargs.
client = MongoReplicaSetClient(lt_uri)
self.assertEqual(client.secondary_acceptable_latency_ms, 10)
self.assertEqual(client.local_threshold_ms, 10)
client = MongoReplicaSetClient(lt_uri, localThresholdMS=8)
self.assertEqual(client.secondary_acceptable_latency_ms, 10)
self.assertEqual(client.local_threshold_ms, 10)
client = MongoClient(lt_uri, secondaryAcceptableLatencyMS=8)
self.assertEqual(client.secondary_acceptable_latency_ms, 10)
self.assertEqual(client.local_threshold_ms, 10)
client = MongoClient(lt_uri, secondaryAcceptableLatencyMS=8,
localThresholdMS=6)
self.assertEqual(client.secondary_acceptable_latency_ms, 10)
self.assertEqual(client.local_threshold_ms, 10)
client = MongoClient(sl_uri, secondaryAcceptableLatencyMS=8)
self.assertEqual(client.secondary_acceptable_latency_ms, 10)
self.assertEqual(client.local_threshold_ms, 10)
client = MongoClient(sl_uri, localThresholdMS=10)
self.assertEqual(client.secondary_acceptable_latency_ms, 10)
self.assertEqual(client.local_threshold_ms, 10)
client = MongoClient(sl_uri, localThresholdMS=10,
secondaryAcceptableLatencyMS=6)
self.assertEqual(client.secondary_acceptable_latency_ms, 10)
self.assertEqual(client.local_threshold_ms, 10)
client = MongoClient(sl_lt_uri)
self.assertEqual(client.secondary_acceptable_latency_ms, 10)
self.assertEqual(client.local_threshold_ms, 10)
client = MongoClient(sl_lt_uri, localThresholdMS=8,
secondaryAcceptableLatencyMS=4)
self.assertEqual(client.secondary_acceptable_latency_ms, 10)
self.assertEqual(client.local_threshold_ms, 10)
finally:
ctx.exit()
def _test_kill_cursor_explicit(self, read_pref):
c = self._get_client(read_preference=read_pref)
db = c.pymongo_test
db.drop_collection("test")
test = db.test
test.insert([{"i": i} for i in range(20)], w=1 + len(c.secondaries))
# Partially evaluate cursor so it's left alive, then kill it
cursor = test.find().batch_size(10)
cursor.next()
self.assertNotEqual(0, cursor.cursor_id)
connection_id = cursor._Cursor__connection_id
writer = c._MongoReplicaSetClient__rs_state.writer
if read_pref == ReadPreference.PRIMARY:
msg = "Expected cursor's connection_id to be %s, got %s" % (
writer, connection_id)
self.assertEqual(connection_id, writer, msg)
else:
self.assertNotEqual(
connection_id,
writer,
"Expected cursor's connection_id not to be primary")
cursor_id = cursor.cursor_id
# Cursor dead on server - trigger a getMore on the same cursor_id and
# check that the server returns an error.
cursor2 = cursor.clone()
cursor2._Cursor__id = cursor_id
if (sys.platform.startswith('java') or
'PyPy' in sys.version):
# Explicitly kill cursor.
cursor.close()
else:
# Implicitly kill it in CPython.
del cursor
self.assertRaises(OperationFailure, lambda: list(cursor2))
def test_kill_cursor_explicit_primary(self):
self._test_kill_cursor_explicit(ReadPreference.PRIMARY)
def test_kill_cursor_explicit_secondary(self):
self._test_kill_cursor_explicit(ReadPreference.SECONDARY)
def test_interrupt_signal(self):
if sys.platform.startswith('java'):
raise SkipTest("Can't test interrupts in Jython")
# Test fix for PYTHON-294 -- make sure client closes its socket if it
# gets an interrupt while waiting to recv() from it.
c = self._get_client()
db = c.pymongo_test
# A $where clause which takes 1.5 sec to execute
where = delay(1.5)
# Need exactly 1 document so find() will execute its $where clause once
db.drop_collection('foo')
db.foo.insert({'_id': 1})
old_signal_handler = None
try:
# Platform-specific hacks for raising a KeyboardInterrupt on the
# main thread while find() is in-progress: On Windows, SIGALRM is
# unavailable so we use a second thread. In our Evergreen setup on
# Linux, the thread technique causes an error in the test at
# sock.recv(): TypeError: 'int' object is not callable
# We don't know what causes this, so we hack around it.
if sys.platform == 'win32':
def interrupter():
# Raises KeyboardInterrupt in the main thread
time.sleep(0.25)
thread.interrupt_main()
thread.start_new_thread(interrupter, ())
else:
# Convert SIGALRM to SIGINT -- it's hard to schedule a SIGINT
# for one second in the future, but easy to schedule SIGALRM.
def sigalarm(num, frame):
raise KeyboardInterrupt
old_signal_handler = signal.signal(signal.SIGALRM, sigalarm)
signal.alarm(1)
raised = False
try:
# Will be interrupted by a KeyboardInterrupt.
db.foo.find({'$where': where}).next()
except KeyboardInterrupt:
raised = True
# Can't use self.assertRaises() because it doesn't catch system
# exceptions
self.assertTrue(raised, "Didn't raise expected KeyboardInterrupt")
# Raises AssertionError due to PYTHON-294 -- Mongo's response to
# the previous find() is still waiting to be read on the socket,
# so the request id's don't match.
self.assertEqual(
{'_id': 1},
db.foo.find().next()
)
finally:
if old_signal_handler:
signal.signal(signal.SIGALRM, old_signal_handler)
def test_operation_failure_without_request(self):
# Ensure MongoReplicaSetClient doesn't close socket after it gets an
# error response to getLastError. PYTHON-395.
c = self._get_client(auto_start_request=False)
pool = get_pool(c)
self.assertEqual(1, len(pool.sockets))
old_sock_info = iter(pool.sockets).next()
c.pymongo_test.test.drop()
c.pymongo_test.test.insert({'_id': 'foo'})
self.assertRaises(
OperationFailure,
c.pymongo_test.test.insert, {'_id': 'foo'})
self.assertEqual(1, len(pool.sockets))
new_sock_info = iter(pool.sockets).next()
self.assertEqual(old_sock_info, new_sock_info)
c.close()
def test_operation_failure_with_request(self):
# Ensure MongoReplicaSetClient doesn't close socket after it gets an
# error response to getLastError. PYTHON-395.
c = self._get_client(auto_start_request=True)
c.pymongo_test.test.find_one()
pool = get_pool(c)
# Client reserved a socket for this thread
self.assertTrue(isinstance(pool._get_request_state(), SocketInfo))
old_sock_info = pool._get_request_state()
c.pymongo_test.test.drop()
c.pymongo_test.test.insert({'_id': 'foo'})
self.assertRaises(
OperationFailure,
c.pymongo_test.test.insert, {'_id': 'foo'})
# OperationFailure doesn't affect the request socket
self.assertEqual(old_sock_info, pool._get_request_state())
c.close()
def test_auto_start_request(self):
ctx = catch_warnings()
try:
warnings.simplefilter("ignore", DeprecationWarning)
for bad_horrible_value in (None, 5, 'hi!'):
self.assertRaises(
(TypeError, ConfigurationError),
lambda: self._get_client(
auto_start_request=bad_horrible_value)
)
client = self._get_client(auto_start_request=True)
self.assertTrue(client.auto_start_request)
pools = pools_from_rs_client(client)
self.assertInRequestAndSameSock(client, pools)
primary_pool = get_pool(client)
# Trigger the RSC to actually start a request on primary pool
client.pymongo_test.test.find_one()
self.assertTrue(primary_pool.in_request())
# Trigger the RSC to actually start a request on secondary pool
cursor = client.pymongo_test.test.find(
read_preference=ReadPreference.SECONDARY)
try:
cursor.next()
except StopIteration:
# No results, no problem
pass
secondary = cursor._Cursor__connection_id
rs_state = client._MongoReplicaSetClient__rs_state
secondary_pool = rs_state.get(secondary).pool
self.assertTrue(secondary_pool.in_request())
client.end_request()
self.assertNotInRequestAndDifferentSock(client, pools)
for pool in pools:
self.assertFalse(pool.in_request())
client.start_request()
self.assertInRequestAndSameSock(client, pools)
client.close()
client = self._get_client()
pools = pools_from_rs_client(client)
self.assertNotInRequestAndDifferentSock(client, pools)
client.start_request()
self.assertInRequestAndSameSock(client, pools)
client.end_request()
self.assertNotInRequestAndDifferentSock(client, pools)
client.close()
finally:
ctx.exit()
def test_nested_request(self):
client = self._get_client(auto_start_request=True)
try:
pools = pools_from_rs_client(client)
self.assertTrue(client.in_request())
# Start and end request - we're still in "outer" original request
client.start_request()
self.assertInRequestAndSameSock(client, pools)
client.end_request()
self.assertInRequestAndSameSock(client, pools)
# Double-nesting
client.start_request()
client.start_request()
self.assertEqual(
3, client._MongoReplicaSetClient__request_counter.get())
for pool in pools:
# MRSC only called start_request() once per pool, although its
# own counter is 2.
self.assertEqual(1, pool._request_counter.get())
client.end_request()
client.end_request()
self.assertInRequestAndSameSock(client, pools)
self.assertEqual(
1, client._MongoReplicaSetClient__request_counter.get())
for pool in pools:
self.assertEqual(1, pool._request_counter.get())
# Finally, end original request
client.end_request()
for pool in pools:
self.assertFalse(pool.in_request())
self.assertNotInRequestAndDifferentSock(client, pools)
finally:
client.close()
def test_request_threads(self):
client = self._get_client()
try:
pools = pools_from_rs_client(client)
self.assertNotInRequestAndDifferentSock(client, pools)
started_request, ended_request = threading.Event(), threading.Event()
checked_request = threading.Event()
thread_done = [False]
# Starting a request in one thread doesn't put the other thread in a
# request
def f():
self.assertNotInRequestAndDifferentSock(client, pools)
client.start_request()
self.assertInRequestAndSameSock(client, pools)
started_request.set()
checked_request.wait()
checked_request.clear()
self.assertInRequestAndSameSock(client, pools)
client.end_request()
self.assertNotInRequestAndDifferentSock(client, pools)
ended_request.set()
checked_request.wait()
thread_done[0] = True
t = threading.Thread(target=f)
t.setDaemon(True)
t.start()
started_request.wait()
self.assertNotInRequestAndDifferentSock(client, pools)
checked_request.set()
ended_request.wait()
self.assertNotInRequestAndDifferentSock(client, pools)
checked_request.set()
t.join()
self.assertNotInRequestAndDifferentSock(client, pools)
self.assertTrue(thread_done[0], "Thread didn't complete")
finally:
client.close()
def test_schedule_refresh(self):
client = self._get_client()
new_rs_state = rs_state = client._MongoReplicaSetClient__rs_state
for host in rs_state.hosts:
new_rs_state = new_rs_state.clone_with_host_down(host, 'error!')
client._MongoReplicaSetClient__rs_state = new_rs_state
client._MongoReplicaSetClient__schedule_refresh(sync=True)
rs_state = client._MongoReplicaSetClient__rs_state
self.assertEqual(
self.w, len(rs_state.members),
"MongoReplicaSetClient didn't detect members are up")
client.close()
def test_zero_latency(self):
orig_interval = Monitor._refresh_interval
Monitor._refresh_interval = 1e9
ping_times = set()
# Generate unique ping times.
while len(ping_times) < len(self.hosts):
ping_times.add(random.random())
for ping_time, host in zip(ping_times, self.hosts):
Member._host_to_ping_time[host] = ping_time
ctx = catch_warnings()
try:
warnings.simplefilter("ignore", DeprecationWarning)
client = self._get_client()
host = read_from_which_host(client, ReadPreference.NEAREST, 0)
for _ in range(5):
self.assertEqual(
host,
read_from_which_host(client, ReadPreference.NEAREST, 0))
finally:
ctx.exit()
Monitor._refresh_interval = orig_interval
Member._host_to_ping_time.clear()
def test_pinned_member(self):
latency = 1000 * 1000
client = self._get_client(localThresholdMS=latency)
host = read_from_which_host(client, ReadPreference.SECONDARY)
self.assertTrue(host in client.secondaries)
# No pinning since we're not in a request
ctx = catch_warnings()
try:
warnings.simplefilter("ignore", DeprecationWarning)
assertReadFromAll(
self, client, client.secondaries,
ReadPreference.SECONDARY, latency)
assertReadFromAll(
self, client, list(client.secondaries) + [client.primary],
ReadPreference.NEAREST, latency)
finally:
ctx.exit()
client.start_request()
host = read_from_which_host(client, ReadPreference.SECONDARY)
self.assertTrue(host in client.secondaries)
assertReadFrom(self, client, host, ReadPreference.SECONDARY)
# Changing any part of read preference (mode, tag_sets, latency)
# unpins the current host and pins to a new one
primary = client.primary
assertReadFrom(self, client, primary, ReadPreference.PRIMARY_PREFERRED)
host = read_from_which_host(client, ReadPreference.NEAREST)
assertReadFrom(self, client, host, ReadPreference.NEAREST)
assertReadFrom(self, client, primary, ReadPreference.PRIMARY_PREFERRED)
host = read_from_which_host(client, ReadPreference.SECONDARY_PREFERRED)
self.assertTrue(host in client.secondaries)
assertReadFrom(self, client, host, ReadPreference.SECONDARY_PREFERRED)
# Unpin
client.end_request()
ctx = catch_warnings()
try:
warnings.simplefilter("ignore", DeprecationWarning)
assertReadFromAll(
self, client, list(client.secondaries) + [client.primary],
ReadPreference.NEAREST, latency)
finally:
ctx.exit()
def test_alive(self):
ctx = catch_warnings()
try:
warnings.simplefilter("ignore", DeprecationWarning)
client = self._get_client()
self.assertTrue(client.alive())
client = MongoReplicaSetClient(
'doesnt exist', replicaSet='rs', _connect=False)
self.assertFalse(client.alive())
finally:
ctx.exit()
def test_uuid_representation_kwarg(self):
client = MongoReplicaSetClient(uuidRepresentation='javaLegacy',
replicaSet='rs',
connect=False)
self.assertEqual(client.uuid_subtype, JAVA_LEGACY)
class TestReplicaSetWireVersion(unittest.TestCase):
def test_wire_version(self):
c = MockReplicaSetClient(
standalones=[],
members=['a:1', 'b:2', 'c:3'],
mongoses=[],
host='a:1',
replicaSet='rs',
_connect=False)
c.set_wire_version_range('a:1', 1, 5)
c.set_wire_version_range('b:2', 0, 1)
c.set_wire_version_range('c:3', 1, 2)
c.db.collection.find_one() # Connect.
self.assertEqual(c.min_wire_version, 1)
self.assertEqual(c.max_wire_version, 5)
c.set_wire_version_range('a:1', 2, 2)
c.refresh()
self.assertEqual(c.min_wire_version, 2)
self.assertEqual(c.max_wire_version, 2)
# A secondary doesn't overlap with us.
c.set_wire_version_range('b:2', 5, 6)
# refresh() raises, as do all following operations.
self.assertRaises(ConfigurationError, c.refresh)
self.assertRaises(ConfigurationError, c.db.collection.find_one)
self.assertRaises(ConfigurationError, c.db.collection.insert, {})
# Test concurrent access to a lazily-connecting RS client.
class TestReplicaSetClientLazyConnect(
TestReplicaSetClientBase,
_TestLazyConnectMixin):
def test_read_mode_secondary(self):
client = MongoReplicaSetClient(
pair, replicaSet=self.name, _connect=False,
read_preference=ReadPreference.SECONDARY)
# No error.
client.pymongo_test.test_collection.find_one()
# Test concurrent access to a lazily-connecting RS client, with Gevent.
class TestReplicaSetClientLazyConnectGevent(
TestReplicaSetClientBase,
_TestLazyConnectMixin):
use_greenlets = True
def setUp(self):
self.warn_ctx = catch_warnings()
warnings.simplefilter("ignore", DeprecationWarning)
super(TestReplicaSetClientLazyConnectGevent, self).setUp()
def tearDown(self):
self.warn_ctx.exit()
super(TestReplicaSetClientLazyConnectGevent, self).tearDown()
class TestReplicaSetClientLazyConnectBadSeeds(
TestReplicaSetClientBase,
_TestLazyConnectMixin):
def _get_client(self, **kwargs):
kwargs.setdefault('connectTimeoutMS', 500)
# Assume there are no open mongods listening on a.com, b.com, ....
bad_seeds = ['%s.com' % chr(ord('a') + i) for i in range(5)]
seeds = ','.join(bad_seeds + [pair])
client = MongoReplicaSetClient(seeds, replicaSet=self.name, **kwargs)
# In case of a slow test machine.
client._refresh_timeout_sec = 30
return client
class TestReplicaSetClientInternalIPs(unittest.TestCase):
def test_connect_with_internal_ips(self):
# Client is passed an IP it can reach, 'a:1', but the RS config
# only contains unreachable IPs like 'internal-ip'. PYTHON-608.
assertRaisesExactly(
ConnectionFailure,
MockReplicaSetClient,
standalones=[],
members=['a:1'],
mongoses=[],
ismaster_hosts=['internal-ip:27017'],
host='a:1',
replicaSet='rs')
class TestReplicaSetClientMaxWriteBatchSize(unittest.TestCase):
def test_max_write_batch_size(self):
c = MockReplicaSetClient(
standalones=[],
members=['a:1', 'b:2'],
mongoses=[],
host='a:1',
replicaSet='rs',
_connect=False)
c.set_max_write_batch_size('a:1', 1)
c.set_max_write_batch_size('b:2', 2)
# Starts with default max batch size.
self.assertEqual(1000, c.max_write_batch_size)
c.db.collection.find_one() # Connect.
# Uses primary's max batch size.
self.assertEqual(c.max_write_batch_size, 1)
# b becomes primary.
c.mock_primary = 'b:2'
c.refresh()
self.assertEqual(c.max_write_batch_size, 2)
class TestReplicaSetClientExhaustCursor(
_TestExhaustCursorMixin,
TestReplicaSetClientBase):
# Base class implements _get_client already.
pass
if __name__ == "__main__":
unittest.main()