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PYTHON-5366 - test_pool_reset waits until Pool.reset() increments gen… #2797

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PYTHON-5366 - test_pool_reset waits until Pool.reset() increments gen… #2797

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PYTHON-5366 - test_pool_reset waits until Pool.reset() increments gen…
NoahStapp May 7, 2026
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Merge branch 'master' into PYTHON-5366
NoahStapp May 7, 2026
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Merge branch 'master' into PYTHON-5366
NoahStapp May 7, 2026
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9 changes: 6 additions & 3 deletions test/test_topology.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@

from test import client_knobs, unittest
from test.pymongo_mocks import DummyMonitor
from test.utils import MockPool, flaky
from test.utils import MockPool
from test.utils_shared import wait_until

from bson.objectid import ObjectId
Expand Down Expand Up @@ -755,7 +755,6 @@ def get_primary():
class TestTopologyErrors(TopologyTest):
# Errors when calling hello.

@flaky(reason="PYTHON-5366")
def test_pool_reset(self):
# hello succeeds at first, then always raises socket error.
hello_count = [0]
Expand All @@ -776,7 +775,11 @@ def _check_with_socket(self, *args, **kwargs):

# Pool is reset by hello failure.
t.request_check_all()
self.assertNotEqual(generation, server.pool.gen.get_overall())
# Wait for the monitor's hello failure to trigger Pool.reset() and bump the generation.
wait_until(
lambda: server.pool.gen.get_overall() != generation,
"pool reset after failed monitor check",
)

def test_hello_retry(self):
# hello succeeds at first, then raises socket error, then succeeds.
Expand Down
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