138 lines
5.4 KiB
Python
138 lines
5.4 KiB
Python
# Copyright 2016 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 maxStalenessSeconds support."""
|
|
from __future__ import annotations
|
|
|
|
import os
|
|
import sys
|
|
import time
|
|
import warnings
|
|
|
|
from pymongo.operations import _Op
|
|
|
|
sys.path[0:0] = [""]
|
|
|
|
from test import client_context, unittest
|
|
from test.utils import rs_or_single_client
|
|
from test.utils_selection_tests import create_selection_tests
|
|
|
|
from pymongo import MongoClient
|
|
from pymongo.errors import ConfigurationError
|
|
from pymongo.server_selectors import writable_server_selector
|
|
|
|
# Location of JSON test specifications.
|
|
_TEST_PATH = os.path.join(os.path.dirname(os.path.realpath(__file__)), "max_staleness")
|
|
|
|
|
|
class TestAllScenarios(create_selection_tests(_TEST_PATH)): # type: ignore
|
|
pass
|
|
|
|
|
|
class TestMaxStaleness(unittest.TestCase):
|
|
def test_max_staleness(self):
|
|
client = MongoClient()
|
|
self.assertEqual(-1, client.read_preference.max_staleness)
|
|
|
|
client = MongoClient("mongodb://a/?readPreference=secondary")
|
|
self.assertEqual(-1, client.read_preference.max_staleness)
|
|
|
|
# These tests are specified in max-staleness-tests.rst.
|
|
with self.assertRaises(ConfigurationError):
|
|
# Default read pref "primary" can't be used with max staleness.
|
|
MongoClient("mongodb://a/?maxStalenessSeconds=120")
|
|
|
|
with self.assertRaises(ConfigurationError):
|
|
# Read pref "primary" can't be used with max staleness.
|
|
MongoClient("mongodb://a/?readPreference=primary&maxStalenessSeconds=120")
|
|
|
|
client = MongoClient("mongodb://host/?maxStalenessSeconds=-1")
|
|
self.assertEqual(-1, client.read_preference.max_staleness)
|
|
|
|
client = MongoClient("mongodb://host/?readPreference=primary&maxStalenessSeconds=-1")
|
|
self.assertEqual(-1, client.read_preference.max_staleness)
|
|
|
|
client = MongoClient("mongodb://host/?readPreference=secondary&maxStalenessSeconds=120")
|
|
self.assertEqual(120, client.read_preference.max_staleness)
|
|
|
|
client = MongoClient("mongodb://a/?readPreference=secondary&maxStalenessSeconds=1")
|
|
self.assertEqual(1, client.read_preference.max_staleness)
|
|
|
|
client = MongoClient("mongodb://a/?readPreference=secondary&maxStalenessSeconds=-1")
|
|
self.assertEqual(-1, client.read_preference.max_staleness)
|
|
|
|
client = MongoClient(maxStalenessSeconds=-1, readPreference="nearest")
|
|
self.assertEqual(-1, client.read_preference.max_staleness)
|
|
|
|
with self.assertRaises(TypeError):
|
|
# Prohibit None.
|
|
MongoClient(maxStalenessSeconds=None, readPreference="nearest")
|
|
|
|
def test_max_staleness_float(self):
|
|
with self.assertRaises(TypeError) as ctx:
|
|
rs_or_single_client(maxStalenessSeconds=1.5, readPreference="nearest")
|
|
|
|
self.assertIn("must be an integer", str(ctx.exception))
|
|
|
|
with warnings.catch_warnings(record=True) as ctx:
|
|
warnings.simplefilter("always")
|
|
client = MongoClient("mongodb://host/?maxStalenessSeconds=1.5&readPreference=nearest")
|
|
|
|
# Option was ignored.
|
|
self.assertEqual(-1, client.read_preference.max_staleness)
|
|
self.assertIn("must be an integer", str(ctx[0]))
|
|
|
|
def test_max_staleness_zero(self):
|
|
# Zero is too small.
|
|
with self.assertRaises(ValueError) as ctx:
|
|
rs_or_single_client(maxStalenessSeconds=0, readPreference="nearest")
|
|
|
|
self.assertIn("must be a positive integer", str(ctx.exception))
|
|
|
|
with warnings.catch_warnings(record=True) as ctx:
|
|
warnings.simplefilter("always")
|
|
client = MongoClient("mongodb://host/?maxStalenessSeconds=0&readPreference=nearest")
|
|
|
|
# Option was ignored.
|
|
self.assertEqual(-1, client.read_preference.max_staleness)
|
|
self.assertIn("must be a positive integer", str(ctx[0]))
|
|
|
|
@client_context.require_replica_set
|
|
def test_last_write_date(self):
|
|
# From max-staleness-tests.rst, "Parse lastWriteDate".
|
|
client = rs_or_single_client(heartbeatFrequencyMS=500)
|
|
client.pymongo_test.test.insert_one({})
|
|
# Wait for the server description to be updated.
|
|
time.sleep(1)
|
|
server = client._topology.select_server(writable_server_selector, _Op.TEST)
|
|
first = server.description.last_write_date
|
|
self.assertTrue(first)
|
|
# The first last_write_date may correspond to a internal server write,
|
|
# sleep so that the next write does not occur within the same second.
|
|
time.sleep(1)
|
|
client.pymongo_test.test.insert_one({})
|
|
# Wait for the server description to be updated.
|
|
time.sleep(1)
|
|
server = client._topology.select_server(writable_server_selector, _Op.TEST)
|
|
second = server.description.last_write_date
|
|
assert first is not None
|
|
|
|
assert second is not None
|
|
self.assertGreater(second, first)
|
|
self.assertLess(second, first + 10)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|