122 lines
4.0 KiB
Python
122 lines
4.0 KiB
Python
# Copyright 2014-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 the monitor module."""
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from __future__ import annotations
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import asyncio
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import gc
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import subprocess
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import sys
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import warnings
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from functools import partial
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sys.path[0:0] = [""]
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from test.asynchronous import AsyncIntegrationTest, async_client_context, connected, unittest
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from test.utils import (
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ServerAndTopologyEventListener,
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async_wait_until,
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)
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from pymongo.periodic_executor import _EXECUTORS
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_IS_SYNC = False
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def unregistered(ref):
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gc.collect()
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return ref not in _EXECUTORS
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def get_executors(client):
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executors = []
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for server in client._topology._servers.values():
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executors.append(server._monitor._executor)
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executors.append(server._monitor._rtt_monitor._executor)
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executors.append(client._kill_cursors_executor)
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executors.append(client._topology._Topology__events_executor)
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return [e for e in executors if e is not None]
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class TestMonitor(AsyncIntegrationTest):
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async def create_client(self):
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listener = ServerAndTopologyEventListener()
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client = await self.unmanaged_async_single_client(event_listeners=[listener])
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await connected(client)
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return client
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async def test_cleanup_executors_on_client_del(self):
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with warnings.catch_warnings(record=True) as w:
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warnings.simplefilter("always")
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client = await self.create_client()
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executors = get_executors(client)
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self.assertEqual(len(executors), 4)
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# Each executor stores a weakref to itself in _EXECUTORS.
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executor_refs = [(r, r()._name) for r in _EXECUTORS.copy() if r() in executors]
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del executors
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del client
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for ref, name in executor_refs:
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await async_wait_until(
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partial(unregistered, ref), f"unregister executor: {name}", timeout=5
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)
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def resource_warning_caught():
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gc.collect()
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for warning in w:
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if (
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issubclass(warning.category, ResourceWarning)
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and "Call AsyncMongoClient.close() to safely shut down your client and free up resources."
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in str(warning.message)
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):
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return True
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return False
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await async_wait_until(resource_warning_caught, "catch resource warning")
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async def test_cleanup_executors_on_client_close(self):
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client = await self.create_client()
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executors = get_executors(client)
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self.assertEqual(len(executors), 4)
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await client.close()
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for executor in executors:
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await async_wait_until(
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lambda: executor._stopped, f"closed executor: {executor._name}", timeout=5
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)
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@async_client_context.require_sync
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def test_no_thread_start_runtime_err_on_shutdown(self):
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"""Test we silence noisy runtime errors fired when the AsyncMongoClient spawns a new thread
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on process shutdown."""
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command = [
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sys.executable,
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"-c",
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"from pymongo import AsyncMongoClient; c = AsyncMongoClient()",
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]
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completed_process: subprocess.CompletedProcess = subprocess.run(
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command, capture_output=True
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)
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self.assertFalse(completed_process.stderr)
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self.assertFalse(completed_process.stdout)
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if __name__ == "__main__":
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unittest.main()
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