471 lines
17 KiB
Python
471 lines
17 KiB
Python
# Copyright 2019-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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"""Execute Transactions Spec tests."""
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import os
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import sys
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import threading
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import time
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sys.path[0:0] = [""]
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from test import IntegrationTest, client_knobs, unittest
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from test.pymongo_mocks import DummyMonitor
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from test.utils import (
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CMAPListener,
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OvertCommandListener,
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TestCreator,
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camel_to_snake,
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client_context,
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get_pool,
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get_pools,
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rs_or_single_client,
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single_client,
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single_client_noauth,
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wait_until,
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)
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from test.utils_spec_runner import SpecRunnerThread
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from bson.objectid import ObjectId
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from bson.son import SON
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from pymongo.errors import ConnectionFailure, OperationFailure, PyMongoError
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from pymongo.monitoring import (
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ConnectionCheckedInEvent,
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ConnectionCheckedOutEvent,
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ConnectionCheckOutFailedEvent,
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ConnectionCheckOutFailedReason,
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ConnectionCheckOutStartedEvent,
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ConnectionClosedEvent,
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ConnectionClosedReason,
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ConnectionCreatedEvent,
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ConnectionReadyEvent,
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PoolClearedEvent,
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PoolClosedEvent,
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PoolCreatedEvent,
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PoolReadyEvent,
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)
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from pymongo.pool import PoolState, _PoolClosedError
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from pymongo.read_preferences import ReadPreference
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from pymongo.topology_description import updated_topology_description
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OBJECT_TYPES = {
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# Event types.
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"ConnectionCheckedIn": ConnectionCheckedInEvent,
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"ConnectionCheckedOut": ConnectionCheckedOutEvent,
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"ConnectionCheckOutFailed": ConnectionCheckOutFailedEvent,
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"ConnectionClosed": ConnectionClosedEvent,
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"ConnectionCreated": ConnectionCreatedEvent,
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"ConnectionReady": ConnectionReadyEvent,
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"ConnectionCheckOutStarted": ConnectionCheckOutStartedEvent,
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"ConnectionPoolCreated": PoolCreatedEvent,
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"ConnectionPoolReady": PoolReadyEvent,
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"ConnectionPoolCleared": PoolClearedEvent,
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"ConnectionPoolClosed": PoolClosedEvent,
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# Error types.
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"PoolClosedError": _PoolClosedError,
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"WaitQueueTimeoutError": ConnectionFailure,
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}
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class TestCMAP(IntegrationTest):
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# Location of JSON test specifications.
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TEST_PATH = os.path.join(os.path.dirname(os.path.realpath(__file__)), "cmap")
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# Test operations:
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def start(self, op):
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"""Run the 'start' thread operation."""
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target = op["target"]
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thread = SpecRunnerThread(target)
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thread.start()
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self.targets[target] = thread
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def wait(self, op):
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"""Run the 'wait' operation."""
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time.sleep(op["ms"] / 1000.0)
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def wait_for_thread(self, op):
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"""Run the 'waitForThread' operation."""
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target = op["target"]
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thread = self.targets[target]
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thread.stop()
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thread.join()
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if thread.exc:
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raise thread.exc
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self.assertFalse(thread.ops)
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def wait_for_event(self, op):
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"""Run the 'waitForEvent' operation."""
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event = OBJECT_TYPES[op["event"]]
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count = op["count"]
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timeout = op.get("timeout", 10000) / 1000.0
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wait_until(
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lambda: self.listener.event_count(event) >= count,
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"find %s %s event(s)" % (count, event),
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timeout=timeout,
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)
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def check_out(self, op):
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"""Run the 'checkOut' operation."""
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label = op["label"]
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with self.pool.get_socket() as sock_info:
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# Call 'pin_cursor' so we can hold the socket.
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sock_info.pin_cursor()
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if label:
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self.labels[label] = sock_info
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else:
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self.addCleanup(sock_info.close_socket, None)
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def check_in(self, op):
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"""Run the 'checkIn' operation."""
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label = op["connection"]
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sock_info = self.labels[label]
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self.pool.return_socket(sock_info)
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def ready(self, op):
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"""Run the 'ready' operation."""
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self.pool.ready()
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def clear(self, op):
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"""Run the 'clear' operation."""
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self.pool.reset()
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def close(self, op):
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"""Run the 'close' operation."""
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self.pool.close()
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def run_operation(self, op):
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"""Run a single operation in a test."""
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op_name = camel_to_snake(op["name"])
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thread = op["thread"]
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meth = getattr(self, op_name)
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if thread:
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self.targets[thread].schedule(lambda: meth(op))
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else:
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meth(op)
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def run_operations(self, ops):
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"""Run a test's operations."""
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for op in ops:
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self._ops.append(op)
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self.run_operation(op)
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def check_object(self, actual, expected):
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"""Assert that the actual object matches the expected object."""
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self.assertEqual(type(actual), OBJECT_TYPES[expected["type"]])
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for attr, expected_val in expected.items():
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if attr == "type":
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continue
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c2s = camel_to_snake(attr)
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actual_val = getattr(actual, c2s)
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if expected_val == 42:
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self.assertIsNotNone(actual_val)
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else:
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self.assertEqual(actual_val, expected_val)
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def check_event(self, actual, expected):
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"""Assert that the actual event matches the expected event."""
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self.check_object(actual, expected)
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def actual_events(self, ignore):
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"""Return all the non-ignored events."""
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ignore = tuple(OBJECT_TYPES[name] for name in ignore)
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return [event for event in self.listener.events if not isinstance(event, ignore)]
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def check_events(self, events, ignore):
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"""Check the events of a test."""
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actual_events = self.actual_events(ignore)
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for actual, expected in zip(actual_events, events):
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self.logs.append("Checking event actual: %r vs expected: %r" % (actual, expected))
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self.check_event(actual, expected)
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if len(events) > len(actual_events):
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self.fail("missing events: %r" % (events[len(actual_events) :],))
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def check_error(self, actual, expected):
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message = expected.pop("message")
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self.check_object(actual, expected)
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self.assertIn(message, str(actual))
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def _set_fail_point(self, client, command_args):
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cmd = SON([("configureFailPoint", "failCommand")])
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cmd.update(command_args)
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client.admin.command(cmd)
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def set_fail_point(self, command_args):
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if not client_context.supports_failCommand_fail_point:
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self.skipTest("failCommand fail point must be supported")
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self._set_fail_point(self.client, command_args)
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def run_scenario(self, scenario_def, test):
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"""Run a CMAP spec test."""
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self.logs: list = []
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self.assertEqual(scenario_def["version"], 1)
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self.assertIn(scenario_def["style"], ["unit", "integration"])
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self.listener = CMAPListener()
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self._ops: list = []
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# Configure the fail point before creating the client.
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if "failPoint" in test:
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fp = test["failPoint"]
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self.set_fail_point(fp)
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self.addCleanup(
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self.set_fail_point, {"configureFailPoint": fp["configureFailPoint"], "mode": "off"}
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)
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opts = test["poolOptions"].copy()
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opts["event_listeners"] = [self.listener]
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opts["_monitor_class"] = DummyMonitor
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opts["connect"] = False
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# Support backgroundThreadIntervalMS, default to 50ms.
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interval = opts.pop("backgroundThreadIntervalMS", 50)
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if interval < 0:
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kill_cursor_frequency = 99999999
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else:
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kill_cursor_frequency = interval / 1000.0
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with client_knobs(kill_cursor_frequency=kill_cursor_frequency, min_heartbeat_interval=0.05):
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client = single_client(**opts)
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# Update the SD to a known type because the DummyMonitor will not.
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# Note we cannot simply call topology.on_change because that would
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# internally call pool.ready() which introduces unexpected
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# PoolReadyEvents. Instead, update the initial state before
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# opening the Topology.
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td = client_context.client._topology.description
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sd = td.server_descriptions()[(client_context.host, client_context.port)]
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client._topology._description = updated_topology_description(
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client._topology._description, sd
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)
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# When backgroundThreadIntervalMS is negative we do not start the
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# background thread to ensure it never runs.
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if interval < 0:
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client._topology.open()
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else:
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client._get_topology()
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self.addCleanup(client.close)
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self.pool = list(client._topology._servers.values())[0].pool
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# Map of target names to Thread objects.
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self.targets: dict = dict()
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# Map of label names to Connection objects
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self.labels: dict = dict()
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def cleanup():
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for t in self.targets.values():
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t.stop()
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for t in self.targets.values():
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t.join(5)
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for conn in self.labels.values():
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conn.close_socket(None)
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self.addCleanup(cleanup)
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try:
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if test["error"]:
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with self.assertRaises(PyMongoError) as ctx:
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self.run_operations(test["operations"])
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self.check_error(ctx.exception, test["error"])
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else:
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self.run_operations(test["operations"])
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self.check_events(test["events"], test["ignore"])
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except Exception:
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# Print the events after a test failure.
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print("\nFailed test: %r" % (test["description"],))
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print("Operations:")
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for op in self._ops:
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print(op)
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print("Threads:")
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print(self.targets)
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print("Connections:")
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print(self.labels)
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print("Events:")
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for event in self.listener.events:
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print(event)
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print("Log:")
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for log in self.logs:
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print(log)
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raise
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POOL_OPTIONS = {
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"maxPoolSize": 50,
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"minPoolSize": 1,
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"maxIdleTimeMS": 10000,
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"waitQueueTimeoutMS": 10000,
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}
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#
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# Prose tests. Numbers correspond to the prose test number in the spec.
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#
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def test_1_client_connection_pool_options(self):
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client = rs_or_single_client(**self.POOL_OPTIONS)
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self.addCleanup(client.close)
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pool_opts = get_pool(client).opts
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self.assertEqual(pool_opts.non_default_options, self.POOL_OPTIONS)
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def test_2_all_client_pools_have_same_options(self):
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client = rs_or_single_client(**self.POOL_OPTIONS)
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self.addCleanup(client.close)
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client.admin.command("ping")
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# Discover at least one secondary.
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if client_context.has_secondaries:
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client.admin.command("ping", read_preference=ReadPreference.SECONDARY)
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pools = get_pools(client)
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pool_opts = pools[0].opts
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self.assertEqual(pool_opts.non_default_options, self.POOL_OPTIONS)
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for pool in pools[1:]:
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self.assertEqual(pool.opts, pool_opts)
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def test_3_uri_connection_pool_options(self):
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opts = "&".join(["%s=%s" % (k, v) for k, v in self.POOL_OPTIONS.items()])
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uri = "mongodb://%s/?%s" % (client_context.pair, opts)
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client = rs_or_single_client(uri)
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self.addCleanup(client.close)
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pool_opts = get_pool(client).opts
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self.assertEqual(pool_opts.non_default_options, self.POOL_OPTIONS)
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def test_4_subscribe_to_events(self):
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listener = CMAPListener()
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client = single_client(event_listeners=[listener])
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self.addCleanup(client.close)
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self.assertEqual(listener.event_count(PoolCreatedEvent), 1)
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# Creates a new connection.
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client.admin.command("ping")
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self.assertEqual(listener.event_count(ConnectionCheckOutStartedEvent), 1)
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self.assertEqual(listener.event_count(ConnectionCreatedEvent), 1)
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self.assertEqual(listener.event_count(ConnectionReadyEvent), 1)
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self.assertEqual(listener.event_count(ConnectionCheckedOutEvent), 1)
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self.assertEqual(listener.event_count(ConnectionCheckedInEvent), 1)
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# Uses the existing connection.
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client.admin.command("ping")
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self.assertEqual(listener.event_count(ConnectionCheckOutStartedEvent), 2)
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self.assertEqual(listener.event_count(ConnectionCheckedOutEvent), 2)
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self.assertEqual(listener.event_count(ConnectionCheckedInEvent), 2)
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client.close()
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self.assertEqual(listener.event_count(PoolClearedEvent), 1)
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self.assertEqual(listener.event_count(ConnectionClosedEvent), 1)
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def test_5_check_out_fails_connection_error(self):
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listener = CMAPListener()
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client = single_client(event_listeners=[listener])
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self.addCleanup(client.close)
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pool = get_pool(client)
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def mock_connect(*args, **kwargs):
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raise ConnectionFailure("connect failed")
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pool.connect = mock_connect
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# Un-patch Pool.connect to break the cyclic reference.
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self.addCleanup(delattr, pool, "connect")
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# Attempt to create a new connection.
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with self.assertRaisesRegex(ConnectionFailure, "connect failed"):
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client.admin.command("ping")
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self.assertIsInstance(listener.events[0], PoolCreatedEvent)
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self.assertIsInstance(listener.events[1], PoolReadyEvent)
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self.assertIsInstance(listener.events[2], ConnectionCheckOutStartedEvent)
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self.assertIsInstance(listener.events[3], ConnectionCheckOutFailedEvent)
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self.assertIsInstance(listener.events[4], PoolClearedEvent)
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failed_event = listener.events[3]
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self.assertEqual(failed_event.reason, ConnectionCheckOutFailedReason.CONN_ERROR)
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def test_5_check_out_fails_auth_error(self):
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listener = CMAPListener()
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client = single_client_noauth(
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username="notauser", password="fail", event_listeners=[listener]
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)
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self.addCleanup(client.close)
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# Attempt to create a new connection.
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with self.assertRaisesRegex(OperationFailure, "failed"):
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client.admin.command("ping")
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self.assertIsInstance(listener.events[0], PoolCreatedEvent)
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self.assertIsInstance(listener.events[1], PoolReadyEvent)
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self.assertIsInstance(listener.events[2], ConnectionCheckOutStartedEvent)
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self.assertIsInstance(listener.events[3], ConnectionCreatedEvent)
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# Error happens here.
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self.assertIsInstance(listener.events[4], ConnectionClosedEvent)
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self.assertIsInstance(listener.events[5], ConnectionCheckOutFailedEvent)
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self.assertEqual(listener.events[5].reason, ConnectionCheckOutFailedReason.CONN_ERROR)
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#
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# Extra non-spec tests
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#
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def assertRepr(self, obj):
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new_obj = eval(repr(obj))
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self.assertEqual(type(new_obj), type(obj))
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self.assertEqual(repr(new_obj), repr(obj))
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def test_events_repr(self):
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host = ("localhost", 27017)
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self.assertRepr(ConnectionCheckedInEvent(host, 1))
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self.assertRepr(ConnectionCheckedOutEvent(host, 1))
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self.assertRepr(
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ConnectionCheckOutFailedEvent(host, ConnectionCheckOutFailedReason.POOL_CLOSED)
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)
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self.assertRepr(ConnectionClosedEvent(host, 1, ConnectionClosedReason.POOL_CLOSED))
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self.assertRepr(ConnectionCreatedEvent(host, 1))
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self.assertRepr(ConnectionReadyEvent(host, 1))
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self.assertRepr(ConnectionCheckOutStartedEvent(host))
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self.assertRepr(PoolCreatedEvent(host, {}))
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self.assertRepr(PoolClearedEvent(host))
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self.assertRepr(PoolClearedEvent(host, service_id=ObjectId()))
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self.assertRepr(PoolClosedEvent(host))
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def test_close_leaves_pool_unpaused(self):
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# Needed until we implement PYTHON-2463. This test is related to
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# test_threads.TestThreads.test_client_disconnect
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listener = CMAPListener()
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client = single_client(event_listeners=[listener])
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client.admin.command("ping")
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pool = get_pool(client)
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client.close()
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self.assertEqual(1, listener.event_count(PoolClearedEvent))
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self.assertEqual(PoolState.READY, pool.state)
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# Checking out a connection should succeed
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with pool.get_socket():
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pass
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def create_test(scenario_def, test, name):
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def run_scenario(self):
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self.run_scenario(scenario_def, test)
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return run_scenario
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class CMAPTestCreator(TestCreator):
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def tests(self, scenario_def):
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"""Extract the tests from a spec file.
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CMAP tests do not have a 'tests' field. The whole file represents
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a single test case.
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"""
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return [scenario_def]
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test_creator = CMAPTestCreator(create_test, TestCMAP, TestCMAP.TEST_PATH)
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test_creator.create_tests()
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if __name__ == "__main__":
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unittest.main()
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