1081 lines
33 KiB
Python
1081 lines
33 KiB
Python
# Copyright 2012-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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"""Utilities for testing pymongo"""
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from __future__ import annotations
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import asyncio
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import contextlib
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import copy
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import functools
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import os
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import random
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import re
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import shutil
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import sys
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import threading
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import time
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import unittest
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import warnings
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from asyncio import iscoroutinefunction
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from collections import abc, defaultdict
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from functools import partial
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from test import client_context, db_pwd, db_user
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from test.asynchronous import async_client_context
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from typing import Any, List
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from bson import json_util
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from bson.objectid import ObjectId
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from bson.son import SON
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from pymongo import AsyncMongoClient, monitoring, operations, read_preferences
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from pymongo._asyncio_task import create_task
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from pymongo.cursor_shared import CursorType
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from pymongo.errors import ConfigurationError, OperationFailure
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from pymongo.hello import HelloCompat
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from pymongo.helpers_shared import _SENSITIVE_COMMANDS
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from pymongo.lock import _async_create_lock, _create_lock
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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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ConnectionCheckOutStartedEvent,
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ConnectionClosedEvent,
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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.operations import _Op
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from pymongo.read_concern import ReadConcern
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from pymongo.read_preferences import ReadPreference
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from pymongo.server_selectors import any_server_selector, writable_server_selector
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from pymongo.server_type import SERVER_TYPE
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from pymongo.synchronous.collection import ReturnDocument
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from pymongo.synchronous.mongo_client import MongoClient
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from pymongo.synchronous.pool import _CancellationContext, _PoolGeneration
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from pymongo.uri_parser import parse_uri
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from pymongo.write_concern import WriteConcern
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IMPOSSIBLE_WRITE_CONCERN = WriteConcern(w=50)
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class BaseListener:
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def __init__(self):
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self.events = []
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def reset(self):
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self.events = []
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def add_event(self, event):
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self.events.append(event)
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def event_count(self, event_type):
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return len(self.events_by_type(event_type))
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def events_by_type(self, event_type):
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"""Return the matching events by event class.
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event_type can be a single class or a tuple of classes.
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"""
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return self.matching(lambda e: isinstance(e, event_type))
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def matching(self, matcher):
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"""Return the matching events."""
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return [event for event in self.events[:] if matcher(event)]
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def wait_for_event(self, event, count):
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"""Wait for a number of events to be published, or fail."""
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wait_until(lambda: self.event_count(event) >= count, f"find {count} {event} event(s)")
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async def async_wait_for_event(self, event, count):
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"""Wait for a number of events to be published, or fail."""
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await async_wait_until(
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lambda: self.event_count(event) >= count, f"find {count} {event} event(s)"
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)
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class CMAPListener(BaseListener, monitoring.ConnectionPoolListener):
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def connection_created(self, event):
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assert isinstance(event, ConnectionCreatedEvent)
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self.add_event(event)
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def connection_ready(self, event):
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assert isinstance(event, ConnectionReadyEvent)
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self.add_event(event)
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def connection_closed(self, event):
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assert isinstance(event, ConnectionClosedEvent)
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self.add_event(event)
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def connection_check_out_started(self, event):
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assert isinstance(event, ConnectionCheckOutStartedEvent)
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self.add_event(event)
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def connection_check_out_failed(self, event):
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assert isinstance(event, ConnectionCheckOutFailedEvent)
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self.add_event(event)
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def connection_checked_out(self, event):
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assert isinstance(event, ConnectionCheckedOutEvent)
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self.add_event(event)
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def connection_checked_in(self, event):
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assert isinstance(event, ConnectionCheckedInEvent)
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self.add_event(event)
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def pool_created(self, event):
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assert isinstance(event, PoolCreatedEvent)
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self.add_event(event)
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def pool_ready(self, event):
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assert isinstance(event, PoolReadyEvent)
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self.add_event(event)
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def pool_cleared(self, event):
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assert isinstance(event, PoolClearedEvent)
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self.add_event(event)
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def pool_closed(self, event):
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assert isinstance(event, PoolClosedEvent)
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self.add_event(event)
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class EventListener(BaseListener, monitoring.CommandListener):
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def __init__(self):
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super().__init__()
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self.results = defaultdict(list)
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@property
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def started_events(self) -> List[monitoring.CommandStartedEvent]:
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return self.results["started"]
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@property
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def succeeded_events(self) -> List[monitoring.CommandSucceededEvent]:
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return self.results["succeeded"]
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@property
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def failed_events(self) -> List[monitoring.CommandFailedEvent]:
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return self.results["failed"]
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def started(self, event: monitoring.CommandStartedEvent) -> None:
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self.started_events.append(event)
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self.add_event(event)
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def succeeded(self, event: monitoring.CommandSucceededEvent) -> None:
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self.succeeded_events.append(event)
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self.add_event(event)
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def failed(self, event: monitoring.CommandFailedEvent) -> None:
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self.failed_events.append(event)
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self.add_event(event)
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def started_command_names(self) -> List[str]:
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"""Return list of command names started."""
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return [event.command_name for event in self.started_events]
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def reset(self) -> None:
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"""Reset the state of this listener."""
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self.results.clear()
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super().reset()
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class TopologyEventListener(monitoring.TopologyListener):
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def __init__(self):
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self.results = defaultdict(list)
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def closed(self, event):
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self.results["closed"].append(event)
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def description_changed(self, event):
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self.results["description_changed"].append(event)
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def opened(self, event):
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self.results["opened"].append(event)
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def reset(self):
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"""Reset the state of this listener."""
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self.results.clear()
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class AllowListEventListener(EventListener):
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def __init__(self, *commands):
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self.commands = set(commands)
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super().__init__()
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def started(self, event):
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if event.command_name in self.commands:
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super().started(event)
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def succeeded(self, event):
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if event.command_name in self.commands:
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super().succeeded(event)
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def failed(self, event):
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if event.command_name in self.commands:
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super().failed(event)
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class OvertCommandListener(EventListener):
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"""A CommandListener that ignores sensitive commands."""
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ignore_list_collections = False
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def started(self, event):
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if event.command_name.lower() not in _SENSITIVE_COMMANDS:
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super().started(event)
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def succeeded(self, event):
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if event.command_name.lower() not in _SENSITIVE_COMMANDS:
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super().succeeded(event)
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def failed(self, event):
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if event.command_name.lower() not in _SENSITIVE_COMMANDS:
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super().failed(event)
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class _ServerEventListener:
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"""Listens to all events."""
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def __init__(self):
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self.results = []
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def opened(self, event):
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self.results.append(event)
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def description_changed(self, event):
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self.results.append(event)
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def closed(self, event):
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self.results.append(event)
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def matching(self, matcher):
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"""Return the matching events."""
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results = self.results[:]
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return [event for event in results if matcher(event)]
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def reset(self):
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self.results = []
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class ServerEventListener(_ServerEventListener, monitoring.ServerListener):
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"""Listens to Server events."""
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class ServerAndTopologyEventListener( # type: ignore[misc]
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ServerEventListener, monitoring.TopologyListener
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):
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"""Listens to Server and Topology events."""
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class HeartbeatEventListener(BaseListener, monitoring.ServerHeartbeatListener):
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"""Listens to only server heartbeat events."""
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def started(self, event):
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self.add_event(event)
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def succeeded(self, event):
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self.add_event(event)
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def failed(self, event):
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self.add_event(event)
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class HeartbeatEventsListListener(HeartbeatEventListener):
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"""Listens to only server heartbeat events and publishes them to a provided list."""
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def __init__(self, events):
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super().__init__()
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self.event_list = events
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def started(self, event):
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self.add_event(event)
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self.event_list.append("serverHeartbeatStartedEvent")
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def succeeded(self, event):
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self.add_event(event)
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self.event_list.append("serverHeartbeatSucceededEvent")
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def failed(self, event):
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self.add_event(event)
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self.event_list.append("serverHeartbeatFailedEvent")
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class AsyncMockConnection:
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def __init__(self):
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self.cancel_context = _CancellationContext()
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self.more_to_come = False
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self.id = random.randint(0, 100)
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def close_conn(self, reason):
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pass
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def __aenter__(self):
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return self
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def __aexit__(self, exc_type, exc_val, exc_tb):
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pass
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class MockConnection:
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def __init__(self):
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self.cancel_context = _CancellationContext()
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self.more_to_come = False
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self.id = random.randint(0, 100)
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def close_conn(self, reason):
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pass
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def __enter__(self):
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return self
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def __exit__(self, exc_type, exc_val, exc_tb):
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pass
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class AsyncMockPool:
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def __init__(self, address, options, handshake=True, client_id=None):
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self.gen = _PoolGeneration()
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self._lock = _async_create_lock()
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self.opts = options
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self.operation_count = 0
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self.conns = []
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def stale_generation(self, gen, service_id):
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return self.gen.stale(gen, service_id)
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@contextlib.asynccontextmanager
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async def checkout(self, handler=None):
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yield AsyncMockConnection()
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async def checkin(self, *args, **kwargs):
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pass
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async def _reset(self, service_id=None):
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async with self._lock:
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self.gen.inc(service_id)
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async def ready(self):
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pass
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async def reset(self, service_id=None, interrupt_connections=False):
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await self._reset()
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async def reset_without_pause(self):
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await self._reset()
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async def close(self):
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await self._reset()
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async def update_is_writable(self, is_writable):
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pass
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async def remove_stale_sockets(self, *args, **kwargs):
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pass
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class MockPool:
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def __init__(self, address, options, handshake=True, client_id=None):
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self.gen = _PoolGeneration()
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self._lock = _create_lock()
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self.opts = options
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self.operation_count = 0
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self.conns = []
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def stale_generation(self, gen, service_id):
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return self.gen.stale(gen, service_id)
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def checkout(self, handler=None):
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return MockConnection()
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def checkin(self, *args, **kwargs):
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pass
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def _reset(self, service_id=None):
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with self._lock:
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self.gen.inc(service_id)
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def ready(self):
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pass
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def reset(self, service_id=None, interrupt_connections=False):
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self._reset()
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def reset_without_pause(self):
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self._reset()
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def close(self):
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self._reset()
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def update_is_writable(self, is_writable):
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pass
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def remove_stale_sockets(self, *args, **kwargs):
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pass
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class ScenarioDict(dict):
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"""Dict that returns {} for any unknown key, recursively."""
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def __init__(self, data):
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def convert(v):
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if isinstance(v, abc.Mapping):
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return ScenarioDict(v)
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if isinstance(v, (str, bytes)):
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return v
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if isinstance(v, abc.Sequence):
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return [convert(item) for item in v]
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return v
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dict.__init__(self, [(k, convert(v)) for k, v in data.items()])
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def __getitem__(self, item):
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try:
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return dict.__getitem__(self, item)
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except KeyError:
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# Unlike a defaultdict, don't set the key, just return a dict.
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return ScenarioDict({})
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class CompareType:
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"""Class that compares equal to any object of the given type(s)."""
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def __init__(self, types):
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self.types = types
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def __eq__(self, other):
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return isinstance(other, self.types)
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class FunctionCallRecorder:
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"""Utility class to wrap a callable and record its invocations."""
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def __init__(self, function):
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self._function = function
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self._call_list = []
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def __call__(self, *args, **kwargs):
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self._call_list.append((args, kwargs))
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return self._function(*args, **kwargs)
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def reset(self):
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"""Wipes the call list."""
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self._call_list = []
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def call_list(self):
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"""Returns a copy of the call list."""
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return self._call_list[:]
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@property
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def call_count(self):
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"""Returns the number of times the function has been called."""
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return len(self._call_list)
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def ensure_all_connected(client: MongoClient) -> None:
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"""Ensure that the client's connection pool has socket connections to all
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members of a replica set. Raises ConfigurationError when called with a
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non-replica set client.
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Depending on the use-case, the caller may need to clear any event listeners
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that are configured on the client.
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"""
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hello: dict = client.admin.command(HelloCompat.LEGACY_CMD)
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if "setName" not in hello:
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raise ConfigurationError("cluster is not a replica set")
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target_host_list = set(hello["hosts"] + hello.get("passives", []))
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connected_host_list = {hello["me"]}
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# Run hello until we have connected to each host at least once.
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def discover():
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i = 0
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while i < 100 and connected_host_list != target_host_list:
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hello: dict = client.admin.command(
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HelloCompat.LEGACY_CMD, read_preference=ReadPreference.SECONDARY
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)
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connected_host_list.update([hello["me"]])
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i += 1
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return connected_host_list
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try:
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wait_until(lambda: target_host_list == discover(), "connected to all hosts")
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except AssertionError as exc:
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raise AssertionError(
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f"{exc}, {connected_host_list} != {target_host_list}, {client.topology_description}"
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)
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async def async_ensure_all_connected(client: AsyncMongoClient) -> None:
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"""Ensure that the client's connection pool has socket connections to all
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members of a replica set. Raises ConfigurationError when called with a
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non-replica set client.
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Depending on the use-case, the caller may need to clear any event listeners
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that are configured on the client.
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"""
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hello: dict = await client.admin.command(HelloCompat.LEGACY_CMD)
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if "setName" not in hello:
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raise ConfigurationError("cluster is not a replica set")
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target_host_list = set(hello["hosts"] + hello.get("passives", []))
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connected_host_list = {hello["me"]}
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# Run hello until we have connected to each host at least once.
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async def discover():
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i = 0
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while i < 100 and connected_host_list != target_host_list:
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hello: dict = await client.admin.command(
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HelloCompat.LEGACY_CMD, read_preference=ReadPreference.SECONDARY
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)
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connected_host_list.update([hello["me"]])
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i += 1
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return connected_host_list
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try:
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async def predicate():
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return target_host_list == await discover()
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await async_wait_until(predicate, "connected to all hosts")
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except AssertionError as exc:
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raise AssertionError(
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f"{exc}, {connected_host_list} != {target_host_list}, {client.topology_description}"
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)
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def one(s):
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"""Get one element of a set"""
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return next(iter(s))
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def oid_generated_on_process(oid):
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|
"""Makes a determination as to whether the given ObjectId was generated
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by the current process, based on the 5-byte random number in the ObjectId.
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"""
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return ObjectId._random() == oid.binary[4:9]
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def delay(sec):
|
|
return """function() { sleep(%f * 1000); return true; }""" % sec
|
|
|
|
|
|
def get_command_line(client):
|
|
command_line = client.admin.command("getCmdLineOpts")
|
|
assert command_line["ok"] == 1, "getCmdLineOpts() failed"
|
|
return command_line
|
|
|
|
|
|
def camel_to_snake(camel):
|
|
# Regex to convert CamelCase to snake_case.
|
|
snake = re.sub("(.)([A-Z][a-z]+)", r"\1_\2", camel)
|
|
return re.sub("([a-z0-9])([A-Z])", r"\1_\2", snake).lower()
|
|
|
|
|
|
def camel_to_upper_camel(camel):
|
|
return camel[0].upper() + camel[1:]
|
|
|
|
|
|
def camel_to_snake_args(arguments):
|
|
for arg_name in list(arguments):
|
|
c2s = camel_to_snake(arg_name)
|
|
arguments[c2s] = arguments.pop(arg_name)
|
|
return arguments
|
|
|
|
|
|
def snake_to_camel(snake):
|
|
# Regex to convert snake_case to lowerCamelCase.
|
|
return re.sub(r"_([a-z])", lambda m: m.group(1).upper(), snake)
|
|
|
|
|
|
def parse_collection_options(opts):
|
|
if "readPreference" in opts:
|
|
opts["read_preference"] = parse_read_preference(opts.pop("readPreference"))
|
|
|
|
if "writeConcern" in opts:
|
|
opts["write_concern"] = WriteConcern(**dict(opts.pop("writeConcern")))
|
|
|
|
if "readConcern" in opts:
|
|
opts["read_concern"] = ReadConcern(**dict(opts.pop("readConcern")))
|
|
|
|
if "timeoutMS" in opts:
|
|
opts["timeout"] = int(opts.pop("timeoutMS")) / 1000.0
|
|
return opts
|
|
|
|
|
|
def server_started_with_option(client, cmdline_opt, config_opt):
|
|
"""Check if the server was started with a particular option.
|
|
|
|
:Parameters:
|
|
- `cmdline_opt`: The command line option (i.e. --nojournal)
|
|
- `config_opt`: The config file option (i.e. nojournal)
|
|
"""
|
|
command_line = get_command_line(client)
|
|
if "parsed" in command_line:
|
|
parsed = command_line["parsed"]
|
|
if config_opt in parsed:
|
|
return parsed[config_opt]
|
|
argv = command_line["argv"]
|
|
return cmdline_opt in argv
|
|
|
|
|
|
def server_started_with_auth(client):
|
|
try:
|
|
command_line = get_command_line(client)
|
|
except OperationFailure as e:
|
|
assert e.details is not None
|
|
msg = e.details.get("errmsg", "")
|
|
if e.code == 13 or "unauthorized" in msg or "login" in msg:
|
|
# Unauthorized.
|
|
return True
|
|
raise
|
|
|
|
# MongoDB >= 2.0
|
|
if "parsed" in command_line:
|
|
parsed = command_line["parsed"]
|
|
# MongoDB >= 2.6
|
|
if "security" in parsed:
|
|
security = parsed["security"]
|
|
# >= rc3
|
|
if "authorization" in security:
|
|
return security["authorization"] == "enabled"
|
|
# < rc3
|
|
return security.get("auth", False) or bool(security.get("keyFile"))
|
|
return parsed.get("auth", False) or bool(parsed.get("keyFile"))
|
|
# Legacy
|
|
argv = command_line["argv"]
|
|
return "--auth" in argv or "--keyFile" in argv
|
|
|
|
|
|
def joinall(threads):
|
|
"""Join threads with a 5-minute timeout, assert joins succeeded"""
|
|
for t in threads:
|
|
t.join(300)
|
|
assert not t.is_alive(), "Thread %s hung" % t
|
|
|
|
|
|
async def async_joinall(tasks):
|
|
"""Join threads with a 5-minute timeout, assert joins succeeded"""
|
|
await asyncio.wait([t.task for t in tasks if t is not None], timeout=300)
|
|
|
|
|
|
def wait_until(predicate, success_description, timeout=10):
|
|
"""Wait up to 10 seconds (by default) for predicate to be true.
|
|
|
|
E.g.:
|
|
|
|
wait_until(lambda: client.primary == ('a', 1),
|
|
'connect to the primary')
|
|
|
|
If the lambda-expression isn't true after 10 seconds, we raise
|
|
AssertionError("Didn't ever connect to the primary").
|
|
|
|
Returns the predicate's first true value.
|
|
"""
|
|
start = time.time()
|
|
interval = min(float(timeout) / 100, 0.1)
|
|
while True:
|
|
retval = predicate()
|
|
if retval:
|
|
return retval
|
|
|
|
if time.time() - start > timeout:
|
|
raise AssertionError("Didn't ever %s" % success_description)
|
|
|
|
time.sleep(interval)
|
|
|
|
|
|
async def async_wait_until(predicate, success_description, timeout=10):
|
|
"""Wait up to 10 seconds (by default) for predicate to be true.
|
|
|
|
E.g.:
|
|
|
|
wait_until(lambda: client.primary == ('a', 1),
|
|
'connect to the primary')
|
|
|
|
If the lambda-expression isn't true after 10 seconds, we raise
|
|
AssertionError("Didn't ever connect to the primary").
|
|
|
|
Returns the predicate's first true value.
|
|
"""
|
|
start = time.time()
|
|
interval = min(float(timeout) / 100, 0.1)
|
|
while True:
|
|
if iscoroutinefunction(predicate):
|
|
retval = await predicate()
|
|
else:
|
|
retval = predicate()
|
|
if retval:
|
|
return retval
|
|
|
|
if time.time() - start > timeout:
|
|
raise AssertionError("Didn't ever %s" % success_description)
|
|
|
|
await asyncio.sleep(interval)
|
|
|
|
|
|
def is_mongos(client):
|
|
res = client.admin.command(HelloCompat.LEGACY_CMD)
|
|
return res.get("msg", "") == "isdbgrid"
|
|
|
|
|
|
async def async_is_mongos(client):
|
|
res = await client.admin.command(HelloCompat.LEGACY_CMD)
|
|
return res.get("msg", "") == "isdbgrid"
|
|
|
|
|
|
def assertRaisesExactly(cls, fn, *args, **kwargs):
|
|
"""
|
|
Unlike the standard assertRaises, this checks that a function raises a
|
|
specific class of exception, and not a subclass. E.g., check that
|
|
MongoClient() raises ConnectionFailure but not its subclass, AutoReconnect.
|
|
"""
|
|
try:
|
|
fn(*args, **kwargs)
|
|
except Exception as e:
|
|
assert e.__class__ == cls, f"got {e.__class__.__name__}, expected {cls.__name__}"
|
|
else:
|
|
raise AssertionError("%s not raised" % cls)
|
|
|
|
|
|
async def asyncAssertRaisesExactly(cls, fn, *args, **kwargs):
|
|
"""
|
|
Unlike the standard assertRaises, this checks that a function raises a
|
|
specific class of exception, and not a subclass. E.g., check that
|
|
MongoClient() raises ConnectionFailure but not its subclass, AutoReconnect.
|
|
"""
|
|
try:
|
|
await fn(*args, **kwargs)
|
|
except Exception as e:
|
|
assert e.__class__ == cls, f"got {e.__class__.__name__}, expected {cls.__name__}"
|
|
else:
|
|
raise AssertionError("%s not raised" % cls)
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def _ignore_deprecations():
|
|
with warnings.catch_warnings():
|
|
warnings.simplefilter("ignore", DeprecationWarning)
|
|
yield
|
|
|
|
|
|
def ignore_deprecations(wrapped=None):
|
|
"""A context manager or a decorator."""
|
|
if wrapped:
|
|
if iscoroutinefunction(wrapped):
|
|
|
|
@functools.wraps(wrapped)
|
|
async def wrapper(*args, **kwargs):
|
|
with _ignore_deprecations():
|
|
return await wrapped(*args, **kwargs)
|
|
else:
|
|
|
|
@functools.wraps(wrapped)
|
|
def wrapper(*args, **kwargs):
|
|
with _ignore_deprecations():
|
|
return wrapped(*args, **kwargs)
|
|
|
|
return wrapper
|
|
|
|
else:
|
|
return _ignore_deprecations()
|
|
|
|
|
|
class DeprecationFilter:
|
|
def __init__(self, action="ignore"):
|
|
"""Start filtering deprecations."""
|
|
self.warn_context = warnings.catch_warnings()
|
|
self.warn_context.__enter__()
|
|
warnings.simplefilter(action, DeprecationWarning)
|
|
|
|
def stop(self):
|
|
"""Stop filtering deprecations."""
|
|
self.warn_context.__exit__() # type: ignore
|
|
self.warn_context = None # type: ignore
|
|
|
|
|
|
def get_pool(client):
|
|
"""Get the standalone, primary, or mongos pool."""
|
|
topology = client._get_topology()
|
|
server = topology._select_server(writable_server_selector, _Op.TEST)
|
|
return server.pool
|
|
|
|
|
|
async def async_get_pool(client):
|
|
"""Get the standalone, primary, or mongos pool."""
|
|
topology = await client._get_topology()
|
|
server = await topology._select_server(writable_server_selector, _Op.TEST)
|
|
return server.pool
|
|
|
|
|
|
def get_pools(client):
|
|
"""Get all pools."""
|
|
return [
|
|
server.pool
|
|
for server in client._get_topology().select_servers(any_server_selector, _Op.TEST)
|
|
]
|
|
|
|
|
|
async def async_get_pools(client):
|
|
"""Get all pools."""
|
|
return [
|
|
server.pool
|
|
for server in await (await client._get_topology()).select_servers(
|
|
any_server_selector, _Op.TEST
|
|
)
|
|
]
|
|
|
|
|
|
# Constants for run_threads and lazy_client_trial.
|
|
NTRIALS = 5
|
|
NTHREADS = 10
|
|
|
|
|
|
def run_threads(collection, target):
|
|
"""Run a target function in many threads.
|
|
|
|
target is a function taking a Collection and an integer.
|
|
"""
|
|
threads = []
|
|
for i in range(NTHREADS):
|
|
bound_target = partial(target, collection, i)
|
|
threads.append(threading.Thread(target=bound_target))
|
|
|
|
for t in threads:
|
|
t.start()
|
|
|
|
for t in threads:
|
|
t.join(60)
|
|
assert not t.is_alive()
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def frequent_thread_switches():
|
|
"""Make concurrency bugs more likely to manifest."""
|
|
interval = sys.getswitchinterval()
|
|
sys.setswitchinterval(1e-6)
|
|
|
|
try:
|
|
yield
|
|
finally:
|
|
sys.setswitchinterval(interval)
|
|
|
|
|
|
def lazy_client_trial(reset, target, test, get_client):
|
|
"""Test concurrent operations on a lazily-connecting client.
|
|
|
|
`reset` takes a collection and resets it for the next trial.
|
|
|
|
`target` takes a lazily-connecting collection and an index from
|
|
0 to NTHREADS, and performs some operation, e.g. an insert.
|
|
|
|
`test` takes the lazily-connecting collection and asserts a
|
|
post-condition to prove `target` succeeded.
|
|
"""
|
|
collection = client_context.client.pymongo_test.test
|
|
|
|
with frequent_thread_switches():
|
|
for _i in range(NTRIALS):
|
|
reset(collection)
|
|
lazy_client = get_client()
|
|
lazy_collection = lazy_client.pymongo_test.test
|
|
run_threads(lazy_collection, target)
|
|
test(lazy_collection)
|
|
|
|
|
|
def gevent_monkey_patched():
|
|
"""Check if gevent's monkey patching is active."""
|
|
try:
|
|
import socket
|
|
|
|
import gevent.socket # type:ignore[import]
|
|
|
|
return socket.socket is gevent.socket.socket
|
|
except ImportError:
|
|
return False
|
|
|
|
|
|
def eventlet_monkey_patched():
|
|
"""Check if eventlet's monkey patching is active."""
|
|
import threading
|
|
|
|
return threading.current_thread.__module__ == "eventlet.green.threading"
|
|
|
|
|
|
def is_greenthread_patched():
|
|
return gevent_monkey_patched() or eventlet_monkey_patched()
|
|
|
|
|
|
def parse_read_preference(pref):
|
|
# Make first letter lowercase to match read_pref's modes.
|
|
mode_string = pref.get("mode", "primary")
|
|
mode_string = mode_string[:1].lower() + mode_string[1:]
|
|
mode = read_preferences.read_pref_mode_from_name(mode_string)
|
|
max_staleness = pref.get("maxStalenessSeconds", -1)
|
|
tag_sets = pref.get("tagSets") or pref.get("tag_sets")
|
|
return read_preferences.make_read_preference(
|
|
mode, tag_sets=tag_sets, max_staleness=max_staleness
|
|
)
|
|
|
|
|
|
def server_name_to_type(name):
|
|
"""Convert a ServerType name to the corresponding value. For SDAM tests."""
|
|
# Special case, some tests in the spec include the PossiblePrimary
|
|
# type, but only single-threaded drivers need that type. We call
|
|
# possible primaries Unknown.
|
|
if name == "PossiblePrimary":
|
|
return SERVER_TYPE.Unknown
|
|
return getattr(SERVER_TYPE, name)
|
|
|
|
|
|
def cat_files(dest, *sources):
|
|
"""Cat multiple files into dest."""
|
|
with open(dest, "wb") as fdst:
|
|
for src in sources:
|
|
with open(src, "rb") as fsrc:
|
|
shutil.copyfileobj(fsrc, fdst)
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def assertion_context(msg):
|
|
"""A context manager that adds info to an assertion failure."""
|
|
try:
|
|
yield
|
|
except AssertionError as exc:
|
|
raise AssertionError(f"{msg}: {exc}")
|
|
|
|
|
|
def parse_spec_options(opts):
|
|
if "readPreference" in opts:
|
|
opts["read_preference"] = parse_read_preference(opts.pop("readPreference"))
|
|
|
|
if "writeConcern" in opts:
|
|
w_opts = opts.pop("writeConcern")
|
|
if "journal" in w_opts:
|
|
w_opts["j"] = w_opts.pop("journal")
|
|
if "wtimeoutMS" in w_opts:
|
|
w_opts["wtimeout"] = w_opts.pop("wtimeoutMS")
|
|
opts["write_concern"] = WriteConcern(**dict(w_opts))
|
|
|
|
if "readConcern" in opts:
|
|
opts["read_concern"] = ReadConcern(**dict(opts.pop("readConcern")))
|
|
|
|
if "timeoutMS" in opts:
|
|
assert isinstance(opts["timeoutMS"], int)
|
|
opts["timeout"] = int(opts.pop("timeoutMS")) / 1000.0
|
|
|
|
if "maxTimeMS" in opts:
|
|
opts["max_time_ms"] = opts.pop("maxTimeMS")
|
|
|
|
if "maxCommitTimeMS" in opts:
|
|
opts["max_commit_time_ms"] = opts.pop("maxCommitTimeMS")
|
|
|
|
return dict(opts)
|
|
|
|
|
|
def prepare_spec_arguments(spec, arguments, opname, entity_map, with_txn_callback):
|
|
for arg_name in list(arguments):
|
|
c2s = camel_to_snake(arg_name)
|
|
# Named "key" instead not fieldName.
|
|
if arg_name == "fieldName":
|
|
arguments["key"] = arguments.pop(arg_name)
|
|
# Aggregate uses "batchSize", while find uses batch_size.
|
|
elif (arg_name == "batchSize" or arg_name == "allowDiskUse") and opname == "aggregate":
|
|
continue
|
|
elif arg_name == "timeoutMode":
|
|
raise unittest.SkipTest("PyMongo does not support timeoutMode")
|
|
# Requires boolean returnDocument.
|
|
elif arg_name == "returnDocument":
|
|
arguments[c2s] = getattr(ReturnDocument, arguments.pop(arg_name).upper())
|
|
elif "bulk_write" in opname and (c2s == "requests" or c2s == "models"):
|
|
# Parse each request into a bulk write model.
|
|
requests = []
|
|
for request in arguments[c2s]:
|
|
if "name" in request:
|
|
# CRUD v2 format
|
|
bulk_model = camel_to_upper_camel(request["name"])
|
|
bulk_class = getattr(operations, bulk_model)
|
|
bulk_arguments = camel_to_snake_args(request["arguments"])
|
|
else:
|
|
# Unified test format
|
|
bulk_model, spec = next(iter(request.items()))
|
|
bulk_class = getattr(operations, camel_to_upper_camel(bulk_model))
|
|
bulk_arguments = camel_to_snake_args(spec)
|
|
requests.append(bulk_class(**dict(bulk_arguments)))
|
|
arguments[c2s] = requests
|
|
elif arg_name == "session":
|
|
arguments["session"] = entity_map[arguments["session"]]
|
|
elif opname == "open_download_stream" and arg_name == "id":
|
|
arguments["file_id"] = arguments.pop(arg_name)
|
|
elif opname not in ("find", "find_one") and c2s == "max_time_ms":
|
|
# find is the only method that accepts snake_case max_time_ms.
|
|
# All other methods take kwargs which must use the server's
|
|
# camelCase maxTimeMS. See PYTHON-1855.
|
|
arguments["maxTimeMS"] = arguments.pop("max_time_ms")
|
|
elif opname == "with_transaction" and arg_name == "callback":
|
|
if "operations" in arguments[arg_name]:
|
|
# CRUD v2 format
|
|
callback_ops = arguments[arg_name]["operations"]
|
|
else:
|
|
# Unified test format
|
|
callback_ops = arguments[arg_name]
|
|
arguments["callback"] = lambda _: with_txn_callback(copy.deepcopy(callback_ops))
|
|
elif opname == "drop_collection" and arg_name == "collection":
|
|
arguments["name_or_collection"] = arguments.pop(arg_name)
|
|
elif opname == "create_collection":
|
|
if arg_name == "collection":
|
|
arguments["name"] = arguments.pop(arg_name)
|
|
arguments["check_exists"] = False
|
|
# Any other arguments to create_collection are passed through
|
|
# **kwargs.
|
|
elif opname == "create_index" and arg_name == "keys":
|
|
arguments["keys"] = list(arguments.pop(arg_name).items())
|
|
elif opname == "drop_index" and arg_name == "name":
|
|
arguments["index_or_name"] = arguments.pop(arg_name)
|
|
elif opname == "rename" and arg_name == "to":
|
|
arguments["new_name"] = arguments.pop(arg_name)
|
|
elif opname == "rename" and arg_name == "dropTarget":
|
|
arguments["dropTarget"] = arguments.pop(arg_name)
|
|
elif arg_name == "cursorType":
|
|
cursor_type = arguments.pop(arg_name)
|
|
if cursor_type == "tailable":
|
|
arguments["cursor_type"] = CursorType.TAILABLE
|
|
elif cursor_type == "tailableAwait":
|
|
arguments["cursor_type"] = CursorType.TAILABLE
|
|
else:
|
|
raise AssertionError(f"Unsupported cursorType: {cursor_type}")
|
|
else:
|
|
arguments[c2s] = arguments.pop(arg_name)
|
|
|
|
|
|
def set_fail_point(client, command_args):
|
|
cmd = SON([("configureFailPoint", "failCommand")])
|
|
cmd.update(command_args)
|
|
client.admin.command(cmd)
|
|
|
|
|
|
async def async_set_fail_point(client, command_args):
|
|
cmd = SON([("configureFailPoint", "failCommand")])
|
|
cmd.update(command_args)
|
|
await client.admin.command(cmd)
|
|
|
|
|
|
def create_async_event():
|
|
return asyncio.Event()
|
|
|
|
|
|
def create_event():
|
|
return threading.Event()
|