276 lines
10 KiB
Python
276 lines
10 KiB
Python
# Copyright 2018-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 read and write concern tests."""
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import json
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import os
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import sys
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import warnings
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sys.path[0:0] = [""]
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from pymongo import DESCENDING
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from pymongo.errors import (BulkWriteError,
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ConfigurationError,
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WTimeoutError,
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WriteConcernError)
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from pymongo.mongo_client import MongoClient
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from pymongo.operations import IndexModel, InsertOne
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from pymongo.read_concern import ReadConcern
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from pymongo.write_concern import WriteConcern
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from test import client_context, unittest
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from test.utils import (IMPOSSIBLE_WRITE_CONCERN,
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EventListener,
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disable_replication,
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enable_replication,
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rs_or_single_client)
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_TEST_PATH = os.path.join(
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os.path.dirname(os.path.realpath(__file__)), 'read_write_concern')
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class TestReadWriteConcernSpec(unittest.TestCase):
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@client_context.require_connection
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def test_omit_default_read_write_concern(self):
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listener = EventListener()
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# Client with default readConcern and writeConcern
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client = rs_or_single_client(event_listeners=[listener])
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collection = client.pymongo_test.collection
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# Prepare for tests of find() and aggregate().
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collection.insert_many([{} for _ in range(10)])
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self.addCleanup(collection.drop)
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self.addCleanup(client.pymongo_test.collection2.drop)
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# Commands MUST NOT send the default read/write concern to the server.
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def rename_and_drop():
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# Ensure collection exists.
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collection.insert_one({})
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collection.rename('collection2')
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client.pymongo_test.collection2.drop()
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def insert_command_default_write_concern():
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collection.database.command(
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'insert', 'collection', documents=[{}],
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write_concern=WriteConcern())
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ops = [
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('aggregate', lambda: list(collection.aggregate([]))),
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('find', lambda: list(collection.find())),
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('insert_one', lambda: collection.insert_one({})),
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('update_one',
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lambda: collection.update_one({}, {'$set': {'x': 1}})),
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('update_many',
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lambda: collection.update_many({}, {'$set': {'x': 1}})),
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('delete_one', lambda: collection.delete_one({})),
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('delete_many', lambda: collection.delete_many({})),
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('bulk_write', lambda: collection.bulk_write([InsertOne({})])),
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('rename_and_drop', rename_and_drop),
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('command', insert_command_default_write_concern)
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]
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for name, f in ops:
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listener.results.clear()
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f()
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self.assertGreaterEqual(len(listener.results['started']), 1)
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for i, event in enumerate(listener.results['started']):
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self.assertNotIn(
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'readConcern', event.command,
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"%s sent default readConcern with %s" % (
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name, event.command_name))
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self.assertNotIn(
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'writeConcern', event.command,
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"%s sent default writeConcern with %s" % (
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name, event.command_name))
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def assertWriteOpsRaise(self, write_concern, expected_exception):
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client = rs_or_single_client(**write_concern.document)
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db = client.get_database('pymongo_test')
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coll = db.test
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def insert_command():
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coll.database.command(
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'insert', 'new_collection', documents=[{}],
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writeConcern=write_concern.document,
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parse_write_concern_error=True)
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ops = [
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('insert_one', lambda: coll.insert_one({})),
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('insert_many', lambda: coll.insert_many([{}, {}])),
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('update_one', lambda: coll.update_one({}, {'$set': {'x': 1}})),
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('update_many', lambda: coll.update_many({}, {'$set': {'x': 1}})),
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('delete_one', lambda: coll.delete_one({})),
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('delete_many', lambda: coll.delete_many({})),
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('bulk_write', lambda: coll.bulk_write([InsertOne({})])),
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('command', insert_command),
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]
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ops_require_34 = [
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('aggregate', lambda: coll.aggregate([{'$out': 'out'}])),
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('create_index', lambda: coll.create_index([('a', DESCENDING)])),
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('create_indexes', lambda: coll.create_indexes([IndexModel('b')])),
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('drop_index', lambda: coll.drop_index([('a', DESCENDING)])),
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('create', lambda: db.create_collection('new')),
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('rename', lambda: coll.rename('new')),
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('drop', lambda: db.new.drop()),
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]
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if client_context.version > (3, 4):
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ops.extend(ops_require_34)
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# SERVER-34776: Drop database does not respect wtimeout in 4.0.
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if client_context.version <= (3, 6):
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ops.append(('drop_database', lambda: client.drop_database(db)))
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for name, f in ops:
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# Ensure insert_many and bulk_write still raise BulkWriteError.
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if name in ('insert_many', 'bulk_write'):
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expected = BulkWriteError
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else:
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expected = expected_exception
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with self.assertRaises(expected, msg=name) as cm:
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f()
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if expected == BulkWriteError:
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bulk_result = cm.exception.details
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wc_errors = bulk_result['writeConcernErrors']
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self.assertTrue(wc_errors)
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@client_context.require_replica_set
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def test_raise_write_concern_error(self):
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self.addCleanup(client_context.client.drop_database, 'pymongo_test')
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self.assertWriteOpsRaise(
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WriteConcern(w=client_context.w+1, wtimeout=1), WriteConcernError)
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# MongoDB 3.2 introduced the stopReplProducer failpoint.
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@client_context.require_version_min(3, 2)
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@client_context.require_secondaries_count(1)
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@client_context.require_test_commands
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def test_raise_wtimeout(self):
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self.addCleanup(client_context.client.drop_database, 'pymongo_test')
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self.addCleanup(enable_replication, client_context.client)
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# Disable replication to guarantee a wtimeout error.
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disable_replication(client_context.client)
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self.assertWriteOpsRaise(WriteConcern(w=client_context.w, wtimeout=1),
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WTimeoutError)
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def normalize_write_concern(concern):
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result = {}
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for key in concern:
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if key.lower() == 'wtimeoutms':
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result['wtimeout'] = concern[key]
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elif key == 'journal':
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result['j'] = concern[key]
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else:
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result[key] = concern[key]
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return result
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def create_connection_string_test(test_case):
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def run_test(self):
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uri = test_case['uri']
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valid = test_case['valid']
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warning = test_case['warning']
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if not valid:
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if warning is False:
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self.assertRaises(
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(ConfigurationError, ValueError),
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MongoClient,
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uri,
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connect=False)
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else:
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with warnings.catch_warnings():
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warnings.simplefilter('error', UserWarning)
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self.assertRaises(
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UserWarning,
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MongoClient,
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uri,
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connect=False)
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else:
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client = MongoClient(uri, connect=False)
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if 'writeConcern' in test_case:
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document = client.write_concern.document
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self.assertEqual(
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document,
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normalize_write_concern(test_case['writeConcern']))
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if 'readConcern' in test_case:
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document = client.read_concern.document
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self.assertEqual(document, test_case['readConcern'])
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return run_test
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def create_document_test(test_case):
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def run_test(self):
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valid = test_case['valid']
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if 'writeConcern' in test_case:
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normalized = normalize_write_concern(test_case['writeConcern'])
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if not valid:
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self.assertRaises(
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(ConfigurationError, ValueError),
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WriteConcern,
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**normalized)
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else:
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concern = WriteConcern(**normalized)
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self.assertEqual(
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concern.document, test_case['writeConcernDocument'])
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self.assertEqual(
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concern.acknowledged, test_case['isAcknowledged'])
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self.assertEqual(
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concern.is_server_default, test_case['isServerDefault'])
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if 'readConcern' in test_case:
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# Any string for 'level' is equaly valid
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concern = ReadConcern(**test_case['readConcern'])
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self.assertEqual(concern.document, test_case['readConcernDocument'])
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self.assertEqual(
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not bool(concern.level), test_case['isServerDefault'])
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return run_test
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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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if dirname == 'connection-string':
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create_test = create_connection_string_test
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else:
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create_test = create_document_test
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for filename in filenames:
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with open(os.path.join(dirpath, filename)) as test_stream:
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test_cases = json.load(test_stream)['tests']
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fname = os.path.splitext(filename)[0]
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for test_case in test_cases:
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new_test = create_test(test_case)
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test_name = 'test_%s_%s_%s' % (
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dirname.replace('-', '_'),
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fname.replace('-', '_'),
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str(test_case['description'].lower().replace(' ', '_')))
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new_test.__name__ = test_name
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setattr(TestReadWriteConcernSpec, 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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