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# Copyright 2017-present 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 Motor, an asynchronous driver for MongoDB and Tornado."""
import copy
import sys
import unittest
from test import SkipTest
from test.test_environment import env
from test.tornado_tests import MotorTest
from test.utils import TestListener, session_ids
from pymongo import IndexModel, InsertOne
from pymongo.errors import InvalidOperation
from tornado.testing import gen_test
class MotorSessionTest(MotorTest):
@classmethod
def setUpClass(cls):
super().setUpClass()
if not env.sessions_enabled:
raise SkipTest("Sessions not supported")
async def _test_ops(self, client, *ops):
listener = client.options.event_listeners[0]
for f, args, kw in ops:
# Simulate "async with" on all Pythons.
s = await client.start_session()
try:
listener.results.clear()
# In case "f" modifies its inputs.
args2 = copy.copy(args)
kw2 = copy.copy(kw)
kw2["session"] = s
await f(*args2, **kw2)
for event in listener.results["started"]:
self.assertTrue(
"lsid" in event.command,
"%s sent no lsid with %s" % (f.__name__, event.command_name),
)
self.assertEqual(
s.session_id,
event.command["lsid"],
"%s sent wrong lsid with %s" % (f.__name__, event.command_name),
)
self.assertFalse(s.has_ended)
finally:
await s.end_session()
with self.assertRaises(InvalidOperation) as ctx:
await f(*args2, **kw2)
self.assertIn("ended session", str(ctx.exception))
# No explicit session.
for f, args, kw in ops:
listener.results.clear()
await f(*args, **kw)
self.assertGreaterEqual(len(listener.results["started"]), 1)
lsids = []
for event in listener.results["started"]:
self.assertTrue(
"lsid" in event.command,
"%s sent no lsid with %s" % (f.__name__, event.command_name),
)
lsids.append(event.command["lsid"])
if "PyPy" not in sys.version:
# Server session was returned to pool. Ignore interpreters with
# non-deterministic GC.
for lsid in lsids:
self.assertIn(
lsid,
session_ids(client),
"%s did not return implicit session to pool" % (f.__name__,),
)
@gen_test
async def test_database(self):
listener = TestListener()
client = self.motor_client(event_listeners=[listener])
db = client.pymongo_test
ops = [
(db.command, ["ping"], {}),
(db.drop_collection, ["collection"], {}),
(db.create_collection, ["collection"], {}),
(db.list_collection_names, [], {}),
]
await self._test_ops(client, *ops)
@gen_test(timeout=30)
async def test_collection(self):
listener = TestListener()
client = self.motor_client(event_listeners=[listener])
await client.drop_database("motor_test")
coll = client.motor_test.test_collection
async def list_indexes(session=None):
await coll.list_indexes(session=session).to_list(length=None)
async def aggregate(session=None):
await coll.aggregate([], session=session).to_list(length=None)
# Test some collection methods - the rest are in test_cursor.
await self._test_ops(
client,
(coll.drop, [], {}),
(coll.bulk_write, [[InsertOne({})]], {}),
(coll.insert_one, [{}], {}),
(coll.insert_many, [[{}, {}]], {}),
(coll.replace_one, [{}, {}], {}),
(coll.update_one, [{}, {"$set": {"a": 1}}], {}),
(coll.update_many, [{}, {"$set": {"a": 1}}], {}),
(coll.delete_one, [{}], {}),
(coll.delete_many, [{}], {}),
(coll.find_one_and_replace, [{}, {}], {}),
(coll.find_one_and_update, [{}, {"$set": {"a": 1}}], {}),
(coll.find_one_and_delete, [{}, {}], {}),
(coll.rename, ["collection2"], {}),
# Drop collection2 between tests of "rename", above.
(client.motor_test.drop_collection, ["collection2"], {}),
(coll.distinct, ["a"], {}),
(coll.find_one, [], {}),
(coll.count_documents, [{}], {}),
(coll.create_indexes, [[IndexModel("a")]], {}),
(coll.create_index, ["a"], {}),
(coll.drop_index, ["a_1"], {}),
(coll.drop_indexes, [], {}),
(list_indexes, [], {}),
(coll.index_information, [], {}),
(coll.options, [], {}),
(aggregate, [], {}),
)
@gen_test
async def test_cursor(self):
listener = TestListener()
client = self.motor_client(event_listeners=[listener])
await self.make_test_data()
coll = client.motor_test.test_collection
s = await client.start_session()
# Simulate "async with" on all Pythons.
try:
listener.results.clear()
cursor = coll.find(session=s)
await cursor.to_list(length=None)
self.assertEqual(len(listener.results["started"]), 2)
for event in listener.results["started"]:
self.assertTrue(
"lsid" in event.command, "find sent no lsid with %s" % (event.command_name,)
)
self.assertEqual(
s.session_id,
event.command["lsid"],
"find sent wrong lsid with %s" % (event.command_name,),
)
finally:
await s.end_session()
with self.assertRaises(InvalidOperation) as ctx:
await coll.find(session=s).to_list(length=None)
self.assertIn("ended session", str(ctx.exception))
# No explicit session.
listener.results.clear()
cursor = coll.find()
await cursor.to_list(length=None)
self.assertEqual(len(listener.results["started"]), 2)
event0 = listener.first_command_started()
self.assertTrue(
"lsid" in event0.command, "find sent no lsid with %s" % (event0.command_name,)
)
lsid = event0.command["lsid"]
for event in listener.results["started"][1:]:
self.assertTrue(
"lsid" in event.command, "find sent no lsid with %s" % (event.command_name,)
)
self.assertEqual(
lsid, event.command["lsid"], "find sent wrong lsid with %s" % (event.command_name,)
)
@gen_test
async def test_options(self):
s = await self.cx.start_session()
self.assertTrue(s.options.causal_consistency)
s = await self.cx.start_session(False)
self.assertFalse(s.options.causal_consistency)
s = await self.cx.start_session(causal_consistency=True)
self.assertTrue(s.options.causal_consistency)
s = await self.cx.start_session(causal_consistency=False)
self.assertFalse(s.options.causal_consistency)
if __name__ == "__main__":
unittest.main()
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