mongo-python-driver/test/mockupdb/test_cluster_time.py
2025-02-28 15:24:28 -08:00

160 lines
4.9 KiB
Python

# Copyright 2017-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 $clusterTime handling."""
from __future__ import annotations
import unittest
from test import PyMongoTestCase
import pytest
try:
from mockupdb import MockupDB, going
_HAVE_MOCKUPDB = True
except ImportError:
_HAVE_MOCKUPDB = False
from bson import Timestamp
from pymongo import DeleteMany, InsertOne, MongoClient, UpdateOne
from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
from pymongo.errors import OperationFailure
pytestmark = pytest.mark.mockupdb
class TestClusterTime(PyMongoTestCase):
def cluster_time_conversation(
self, callback, replies, max_wire_version=MIN_SUPPORTED_WIRE_VERSION
):
cluster_time = Timestamp(0, 0)
server = MockupDB()
# First test all commands include $clusterTime with max_wire_version.
_ = server.autoresponds(
"ismaster",
{
"minWireVersion": 0,
"maxWireVersion": max_wire_version,
"$clusterTime": {"clusterTime": cluster_time},
},
)
server.run()
self.addCleanup(server.stop)
client = self.simple_client(server.uri)
with going(callback, client):
for reply in replies:
request = server.receives()
self.assertIn("$clusterTime", request)
self.assertEqual(request["$clusterTime"]["clusterTime"], cluster_time)
cluster_time = Timestamp(cluster_time.time, cluster_time.inc + 1)
reply["$clusterTime"] = {"clusterTime": cluster_time}
request.reply(reply)
def test_command(self):
def callback(client):
client.db.command("ping")
client.db.command("ping")
self.cluster_time_conversation(callback, [{"ok": 1}] * 2)
def test_bulk(self):
def callback(client: MongoClient[dict]) -> None:
client.db.collection.bulk_write(
[InsertOne({}), InsertOne({}), UpdateOne({}, {"$inc": {"x": 1}}), DeleteMany({})]
)
self.cluster_time_conversation(
callback,
[{"ok": 1, "nInserted": 2}, {"ok": 1, "nModified": 1}, {"ok": 1, "nDeleted": 2}],
)
batches = [
{"cursor": {"id": 123, "firstBatch": [{"a": 1}]}},
{"cursor": {"id": 123, "nextBatch": [{"a": 2}]}},
{"cursor": {"id": 0, "nextBatch": [{"a": 3}]}},
]
def test_cursor(self):
def callback(client):
list(client.db.collection.find())
self.cluster_time_conversation(callback, self.batches)
def test_aggregate(self):
def callback(client):
list(client.db.collection.aggregate([]))
self.cluster_time_conversation(callback, self.batches)
def test_explain(self):
def callback(client):
client.db.collection.find().explain()
self.cluster_time_conversation(callback, [{"ok": 1}])
def test_monitor(self):
cluster_time = Timestamp(0, 0)
reply = {
"minWireVersion": 0,
"maxWireVersion": MIN_SUPPORTED_WIRE_VERSION,
"$clusterTime": {"clusterTime": cluster_time},
}
server = MockupDB()
server.run()
self.addCleanup(server.stop)
client = self.simple_client(server.uri, heartbeatFrequencyMS=500)
for _ in range(3):
request = server.receives("ismaster")
# No $clusterTime in heartbeats or handshakes.
self.assertNotIn("$clusterTime", request)
request.ok(reply)
client.close()
def test_collection_bulk_error(self):
def callback(client: MongoClient[dict]) -> None:
with self.assertRaises(OperationFailure):
client.db.collection.bulk_write([InsertOne({}), InsertOne({})])
self.cluster_time_conversation(
callback,
[{"ok": 0, "errmsg": "mock error"}],
)
def test_client_bulk_error(self):
def callback(client: MongoClient[dict]) -> None:
with self.assertRaises(OperationFailure):
client.bulk_write(
[
InsertOne({}, namespace="db.collection"),
InsertOne({}, namespace="db.collection"),
]
)
self.cluster_time_conversation(
callback, [{"ok": 0, "errmsg": "mock error"}], max_wire_version=25
)
if __name__ == "__main__":
unittest.main()