111 lines
3.3 KiB
Python
111 lines
3.3 KiB
Python
# Copyright 2015 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 PyMongo's SlaveOkay with:
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- A direct connection to a standalone.
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- A direct connection to a slave.
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- A direct connection to a mongos.
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"""
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from __future__ import annotations
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import itertools
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import unittest
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from queue import Queue
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import pytest
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try:
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from mockupdb import MockupDB, going
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_HAVE_MOCKUPDB = True
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except ImportError:
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_HAVE_MOCKUPDB = False
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from operations import operations # type: ignore[import]
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from pymongo import MongoClient
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from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
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from pymongo.read_preferences import make_read_preference, read_pref_mode_from_name
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pytestmark = pytest.mark.mockupdb
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class TestSlaveOkaySharded(unittest.TestCase):
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def setup_server(self):
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self.mongos1, self.mongos2 = MockupDB(), MockupDB()
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# Collect queries to either server in one queue.
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self.q: Queue = Queue()
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for server in self.mongos1, self.mongos2:
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server.subscribe(self.q.put)
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server.run()
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self.addCleanup(server.stop)
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server.autoresponds(
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"ismaster",
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minWireVersion=2,
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maxWireVersion=MIN_SUPPORTED_WIRE_VERSION,
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ismaster=True,
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msg="isdbgrid",
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)
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self.mongoses_uri = f"mongodb://{self.mongos1.address_string},{self.mongos2.address_string}"
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def create_slave_ok_sharded_test(mode, operation):
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def test(self):
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self.setup_server()
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if operation.op_type == "always-use-secondary":
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slave_ok = True
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elif operation.op_type == "may-use-secondary":
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slave_ok = mode != "primary"
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elif operation.op_type == "must-use-primary":
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slave_ok = False
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else:
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raise AssertionError("unrecognized op_type %r" % operation.op_type)
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pref = make_read_preference(read_pref_mode_from_name(mode), tag_sets=None)
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client = MongoClient(self.mongoses_uri, read_preference=pref)
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self.addCleanup(client.close)
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with going(operation.function, client):
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request = self.q.get(timeout=1)
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request.reply(operation.reply)
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if slave_ok:
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self.assertTrue(request.slave_ok, "SlaveOkay not set")
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else:
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self.assertFalse(request.slave_ok, "SlaveOkay set")
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return test
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def generate_slave_ok_sharded_tests():
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modes = "primary", "secondary", "nearest"
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matrix = itertools.product(modes, operations)
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for entry in matrix:
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mode, operation = entry
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test = create_slave_ok_sharded_test(mode, operation)
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test_name = "test_{}_with_mode_{}".format(operation.name.replace(" ", "_"), mode)
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test.__name__ = test_name
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setattr(TestSlaveOkaySharded, test_name, test)
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generate_slave_ok_sharded_tests()
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if __name__ == "__main__":
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unittest.main()
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