164 lines
6.0 KiB
Python
164 lines
6.0 KiB
Python
# Copyright 2015 MongoDB, Inc.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
"""Test the read_concern module."""
|
|
|
|
import pymongo
|
|
|
|
from bson.son import SON
|
|
from pymongo import monitoring
|
|
from pymongo.errors import ConfigurationError, OperationFailure
|
|
from pymongo.read_concern import ReadConcern
|
|
|
|
from test import client_context, pair, unittest
|
|
from test.utils import single_client, EventListener
|
|
|
|
|
|
class TestReadConcern(unittest.TestCase):
|
|
|
|
@classmethod
|
|
@client_context.require_connection
|
|
def setUpClass(cls):
|
|
cls.listener = EventListener()
|
|
cls.saved_listeners = monitoring._LISTENERS
|
|
# Don't use any global subscribers.
|
|
monitoring._LISTENERS = monitoring._Listeners([], [], [], [])
|
|
cls.client = single_client(event_listeners=[cls.listener])
|
|
cls.db = cls.client.pymongo_test
|
|
|
|
@classmethod
|
|
def tearDownClass(cls):
|
|
monitoring._LISTENERS = cls.saved_listeners
|
|
|
|
def tearDown(self):
|
|
self.db.coll.drop()
|
|
self.listener.results.clear()
|
|
|
|
def test_read_concern(self):
|
|
rc = ReadConcern()
|
|
self.assertIsNone(rc.level)
|
|
self.assertTrue(rc.ok_for_legacy)
|
|
|
|
rc = ReadConcern('majority')
|
|
self.assertEqual('majority', rc.level)
|
|
self.assertFalse(rc.ok_for_legacy)
|
|
|
|
rc = ReadConcern('local')
|
|
self.assertEqual('local', rc.level)
|
|
self.assertTrue(rc.ok_for_legacy)
|
|
|
|
self.assertRaises(TypeError, ReadConcern, 42)
|
|
|
|
def test_read_concern_uri(self):
|
|
uri = 'mongodb://%s/?readConcernLevel=majority' % (pair,)
|
|
client = pymongo.MongoClient(uri)
|
|
self.assertEqual(ReadConcern('majority'), client.read_concern)
|
|
|
|
@client_context.require_version_max(3, 1)
|
|
def test_invalid_read_concern(self):
|
|
coll = self.db.get_collection(
|
|
'coll', read_concern=ReadConcern('majority'))
|
|
self.assertRaisesRegexp(
|
|
ConfigurationError,
|
|
'read concern level of majority is not valid '
|
|
'with a max wire version of [0-3]',
|
|
coll.count)
|
|
|
|
@client_context.require_version_min(3, 1, 9, -1)
|
|
def test_find_command(self):
|
|
# readConcern not sent in command if not specified.
|
|
coll = self.db.coll
|
|
tuple(coll.find({'field': 'value'}))
|
|
self.assertNotIn('readConcern',
|
|
self.listener.results['started'][0].command)
|
|
|
|
self.listener.results.clear()
|
|
|
|
# Explicitly set readConcern to 'local'.
|
|
coll = self.db.get_collection('coll', read_concern=ReadConcern('local'))
|
|
tuple(coll.find({'field': 'value'}))
|
|
self.assertEqual(
|
|
SON([('find', 'coll'),
|
|
('filter', {'field': 'value'}),
|
|
('readConcern', {'level': 'local'})]),
|
|
self.listener.results['started'][0].command)
|
|
|
|
@client_context.require_version_min(3, 1, 9, -1)
|
|
def test_command_cursor(self):
|
|
# readConcern not sent in command if not specified.
|
|
coll = self.db.coll
|
|
tuple(coll.aggregate([{'$match': {'field': 'value'}}]))
|
|
self.assertNotIn('readConcern',
|
|
self.listener.results['started'][0].command)
|
|
|
|
self.listener.results.clear()
|
|
|
|
# Explicitly set readConcern to 'local'.
|
|
coll = self.db.get_collection('coll', read_concern=ReadConcern('local'))
|
|
tuple(coll.aggregate([{'$match': {'field': 'value'}}]))
|
|
self.assertEqual(
|
|
{'level': 'local'},
|
|
self.listener.results['started'][0].command['readConcern'])
|
|
|
|
def test_aggregate_out(self):
|
|
coll = self.db.get_collection('coll', read_concern=ReadConcern('local'))
|
|
try:
|
|
tuple(coll.aggregate([{'$match': {'field': 'value'}},
|
|
{'$out': 'output_collection'}]))
|
|
except OperationFailure:
|
|
# "ns doesn't exist"
|
|
pass
|
|
self.assertNotIn('readConcern',
|
|
self.listener.results['started'][0].command)
|
|
|
|
def test_map_reduce_out(self):
|
|
coll = self.db.get_collection('coll', read_concern=ReadConcern('local'))
|
|
try:
|
|
tuple(coll.map_reduce('function() { emit(this._id, this.value); }',
|
|
'function(key, values) { return 42; }',
|
|
out='output_collection'))
|
|
except OperationFailure:
|
|
# "ns doesn't exist"
|
|
pass
|
|
self.assertNotIn('readConcern',
|
|
self.listener.results['started'][0].command)
|
|
|
|
if client_context.version.at_least(3, 1, 9, -1):
|
|
self.listener.results.clear()
|
|
try:
|
|
tuple(coll.map_reduce(
|
|
'function() { emit(this._id, this.value); }',
|
|
'function(key, values) { return 42; }',
|
|
out={'inline': 1}))
|
|
except OperationFailure:
|
|
# "ns doesn't exist"
|
|
pass
|
|
self.assertEqual(
|
|
{'level': 'local'},
|
|
self.listener.results['started'][0].command['readConcern'])
|
|
|
|
@client_context.require_version_min(3, 1, 9, -1)
|
|
def test_inline_map_reduce(self):
|
|
coll = self.db.get_collection('coll', read_concern=ReadConcern('local'))
|
|
try:
|
|
tuple(coll.inline_map_reduce(
|
|
'function() { emit(this._id, this.value); }',
|
|
'function(key, values) { return 42; }'))
|
|
except OperationFailure:
|
|
# "ns doesn't exist"
|
|
pass
|
|
self.assertEqual(
|
|
{'level': 'local'},
|
|
self.listener.results['started'][0].command['readConcern'])
|