241 lines
9.8 KiB
Python
241 lines
9.8 KiB
Python
# Copyright 2015-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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"""Run the command monitoring spec tests."""
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import os
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import re
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import sys
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sys.path[0:0] = [""]
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import pymongo
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from bson import json_util
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from pymongo.errors import OperationFailure
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from pymongo.write_concern import WriteConcern
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from test import unittest, client_context
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from test.utils import single_client, wait_until, EventListener
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from test.utils_selection_tests import parse_read_preference
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# Location of JSON test specifications.
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_TEST_PATH = os.path.join(
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os.path.dirname(os.path.realpath(__file__)),
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'command_monitoring')
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def camel_to_snake(camel):
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# Regex to convert CamelCase to snake_case.
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snake = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', camel)
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return re.sub('([a-z0-9])([A-Z])', r'\1_\2', snake).lower()
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class TestAllScenarios(unittest.TestCase):
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@classmethod
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@client_context.require_connection
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def setUpClass(cls):
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cls.listener = EventListener()
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cls.client = single_client(event_listeners=[cls.listener])
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def tearDown(self):
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self.listener.results.clear()
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def format_actual_results(results):
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started = results['started']
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succeeded = results['succeeded']
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failed = results['failed']
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msg = "\nStarted: %r" % (started[0].command if len(started) else None,)
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msg += "\nSucceeded: %r" % (succeeded[0].reply if len(succeeded) else None,)
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msg += "\nFailed: %r" % (failed[0].failure if len(failed) else None,)
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return msg
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def create_test(scenario_def, test):
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def run_scenario(self):
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dbname = scenario_def['database_name']
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collname = scenario_def['collection_name']
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coll = self.client[dbname][collname]
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coll.drop()
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coll.insert_many(scenario_def['data'])
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self.listener.results.clear()
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name = camel_to_snake(test['operation']['name'])
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if 'read_preference' in test['operation']:
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coll = coll.with_options(read_preference=parse_read_preference(
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test['operation']['read_preference']))
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if 'collectionOptions' in test['operation']:
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colloptions = test['operation']['collectionOptions']
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if 'writeConcern' in colloptions:
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concern = colloptions['writeConcern']
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coll = coll.with_options(
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write_concern=WriteConcern(**concern))
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test_args = test['operation']['arguments']
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if 'options' in test_args:
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options = test_args.pop('options')
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test_args.update(options)
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args = {}
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for arg in test_args:
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args[camel_to_snake(arg)] = test_args[arg]
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if name == 'bulk_write':
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bulk_args = []
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for request in args['requests']:
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opname = request['name']
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klass = opname[0:1].upper() + opname[1:]
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arg = getattr(pymongo, klass)(**request['arguments'])
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bulk_args.append(arg)
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try:
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coll.bulk_write(bulk_args, args.get('ordered', True))
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except OperationFailure:
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pass
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elif name == 'find':
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if 'sort' in args:
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args['sort'] = list(args['sort'].items())
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for arg in 'skip', 'limit':
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if arg in args:
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args[arg] = int(args[arg])
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try:
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# Iterate the cursor.
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tuple(coll.find(**args))
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except OperationFailure:
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pass
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# Wait for the killCursors thread to run if necessary.
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if 'limit' in args and client_context.version[:2] < (3, 1):
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self.client._kill_cursors_executor.wake()
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started = self.listener.results['started']
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succeeded = self.listener.results['succeeded']
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wait_until(
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lambda: started[-1].command_name == 'killCursors',
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"publish a start event for killCursors.")
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wait_until(
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lambda: succeeded[-1].command_name == 'killCursors',
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"publish a succeeded event for killCursors.")
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else:
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try:
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getattr(coll, name)(**args)
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except OperationFailure:
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pass
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res = self.listener.results
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for expectation in test['expectations']:
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event_type = next(iter(expectation))
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if event_type == "command_started_event":
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event = res['started'][0] if len(res['started']) else None
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if event is not None:
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# The tests substitute 42 for any number other than 0.
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if (event.command_name == 'getMore'
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and event.command['getMore']):
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event.command['getMore'] = 42
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elif event.command_name == 'killCursors':
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event.command['cursors'] = [42]
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elif event_type == "command_succeeded_event":
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event = (
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res['succeeded'].pop(0) if len(res['succeeded']) else None)
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if event is not None:
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reply = event.reply
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# The tests substitute 42 for any number other than 0,
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# and "" for any error message.
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if 'writeErrors' in reply:
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for doc in reply['writeErrors']:
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# Remove any new fields the server adds. The tests
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# only have index, code, and errmsg.
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diff = set(doc) - set(['index', 'code', 'errmsg'])
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for field in diff:
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doc.pop(field)
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doc['code'] = 42
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doc['errmsg'] = ""
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elif 'cursor' in reply:
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if reply['cursor']['id']:
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reply['cursor']['id'] = 42
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elif event.command_name == 'killCursors':
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# Make the tests continue to pass when the killCursors
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# command is actually in use.
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if 'cursorsKilled' in reply:
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reply.pop('cursorsKilled')
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reply['cursorsUnknown'] = [42]
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# Found succeeded event. Pop related started event.
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res['started'].pop(0)
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elif event_type == "command_failed_event":
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event = res['failed'].pop(0) if len(res['failed']) else None
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if event is not None:
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# Found failed event. Pop related started event.
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res['started'].pop(0)
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else:
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self.fail("Unknown event type")
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if event is None:
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event_name = event_type.split('_')[1]
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self.fail(
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"Expected %s event for %s command. Actual "
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"results:%s" % (
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event_name,
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expectation[event_type]['command_name'],
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format_actual_results(res)))
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for attr, expected in expectation[event_type].items():
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if 'options' in expected:
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options = expected.pop('options')
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expected.update(options)
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actual = getattr(event, attr)
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if isinstance(expected, dict):
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for key, val in expected.items():
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self.assertEqual(val, actual[key])
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else:
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self.assertEqual(actual, expected)
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return run_scenario
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def create_tests():
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for dirpath, _, filenames in os.walk(_TEST_PATH):
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dirname = os.path.split(dirpath)[-1]
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for filename in filenames:
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with open(os.path.join(dirpath, filename)) as scenario_stream:
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scenario_def = json_util.loads(scenario_stream.read())
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assert bool(scenario_def.get('tests')), "tests cannot be empty"
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# Construct test from scenario.
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for test in scenario_def['tests']:
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new_test = create_test(scenario_def, test)
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if "ignore_if_server_version_greater_than" in test:
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version = test["ignore_if_server_version_greater_than"]
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ver = tuple(int(elt) for elt in version.split('.'))
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new_test = client_context.require_version_max(*ver)(
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new_test)
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if "ignore_if_server_version_less_than" in test:
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version = test["ignore_if_server_version_less_than"]
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ver = tuple(int(elt) for elt in version.split('.'))
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new_test = client_context.require_version_min(*ver)(
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new_test)
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if "ignore_if_topology_type" in test:
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types = set(test["ignore_if_topology_type"])
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if "sharded" in types:
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new_test = client_context.require_no_mongos(None)(
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new_test)
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test_name = 'test_%s_%s_%s' % (
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dirname,
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os.path.splitext(filename)[0],
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str(test['description'].replace(" ", "_")))
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new_test.__name__ = test_name
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setattr(TestAllScenarios, new_test.__name__, new_test)
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create_tests()
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if __name__ == "__main__":
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unittest.main()
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