100 lines
3.4 KiB
Python
100 lines
3.4 KiB
Python
# Copyright 2023-present 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 cursor does not set exhaustAllowed automatically (PYTHON-4007)."""
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from __future__ import annotations
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import unittest
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from test import PyMongoTestCase
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import pytest
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try:
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from mockupdb import MockupDB, OpMsg, 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 bson.objectid import ObjectId
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from pymongo.common import MIN_SUPPORTED_WIRE_VERSION
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from pymongo.errors import OperationFailure
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pytestmark = pytest.mark.mockupdb
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class TestCursor(PyMongoTestCase):
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def test_getmore_load_balanced(self):
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server = MockupDB()
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server.autoresponds(
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"hello",
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isWritablePrimary=True,
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msg="isdbgrid",
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minWireVersion=0,
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maxWireVersion=20,
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helloOk=True,
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serviceId=ObjectId(),
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)
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server.run()
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self.addCleanup(server.stop)
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client = self.simple_client(server.uri, loadBalanced=True)
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self.addCleanup(client.close)
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collection = client.db.coll
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cursor = collection.find()
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with going(next, cursor):
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request = server.receives(OpMsg({"find": "coll"}))
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self.assertEqual(request.flags, 0, "exhaustAllowed should not be set")
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# Respond with a different namespace.
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request.reply({"cursor": {"id": 123, "firstBatch": [{}]}})
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# 3 batches, check exhaustAllowed on all getMores.
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for i in range(1, 3):
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with going(next, cursor):
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request = server.receives(OpMsg({"getMore": 123}))
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self.assertEqual(request.flags, 0, "exhaustAllowed should not be set")
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cursor_id = 123 if i < 2 else 0
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request.replies({"cursor": {"id": cursor_id, "nextBatch": [{}]}})
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class TestRetryableErrorCodeCatch(PyMongoTestCase):
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def _test_fail_on_operation_failure_with_code(self, code):
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"""Test reads on error codes that should not be retried"""
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server = MockupDB()
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server.run()
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self.addCleanup(server.stop)
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server.autoresponds("ismaster", maxWireVersion=MIN_SUPPORTED_WIRE_VERSION)
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client = self.simple_client(server.uri)
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with going(lambda: server.receives(OpMsg({"find": "collection"})).command_err(code=code)):
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cursor = client.db.collection.find()
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with self.assertRaises(OperationFailure) as ctx:
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cursor.next()
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self.assertEqual(ctx.exception.code, code)
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def test_fail_on_operation_failure_none(self):
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self._test_fail_on_operation_failure_with_code(None)
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def test_fail_on_operation_failure_zero(self):
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self._test_fail_on_operation_failure_with_code(0)
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def test_fail_on_operation_failure_one(self):
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self._test_fail_on_operation_failure_with_code(1)
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if __name__ == "__main__":
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unittest.main()
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