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# Copyright 2012-2015 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 Motor, an asynchronous driver for MongoDB and Tornado."""
import unittest
from test import env
from test.tornado_tests import MotorTest
import pymongo.database
from bson import CodecOptions
from bson.binary import JAVA_LEGACY
from pymongo import ReadPreference, WriteConcern
from pymongo.errors import CollectionInvalid, OperationFailure
from pymongo.read_preferences import Secondary
from tornado.testing import gen_test
import motor
class MotorDatabaseTest(MotorTest):
@gen_test
async def test_database(self):
# Test that we can create a db directly, not just from MotorClient's
# accessors
db = motor.MotorDatabase(self.cx, "motor_test")
# Make sure we got the right DB and it can do an operation
self.assertEqual("motor_test", db.name)
await db.test_collection.insert_one({"_id": 1})
doc = await db.test_collection.find_one({"_id": 1})
self.assertEqual(1, doc["_id"])
def test_collection_named_delegate(self):
db = self.db
self.assertTrue(isinstance(db.delegate, pymongo.database.Database))
self.assertTrue(isinstance(db["delegate"], motor.MotorCollection))
db.client.close()
def test_call(self):
# Prevents user error with nice message.
try:
self.cx.foo()
except TypeError as e:
self.assertTrue("no such method exists" in str(e))
else:
self.fail("Expected TypeError")
@env.require_version_min(3, 6)
@gen_test
async def test_aggregate(self):
pipeline = [
{"$listLocalSessions": {}},
{"$limit": 1},
{"$addFields": {"dummy": "dummy field"}},
{"$project": {"_id": 0, "dummy": 1}},
]
expected = [{"dummy": "dummy field"}]
cursor = self.cx.admin.aggregate(pipeline)
docs = await cursor.to_list(10)
self.assertEqual(expected, docs)
@gen_test
async def test_command(self):
result = await self.cx.admin.command("buildinfo")
# Make sure we got some sane result or other.
self.assertEqual(1, result["ok"])
@gen_test
async def test_create_collection(self):
# Test creating collection, return val is wrapped in MotorCollection,
# creating it again raises CollectionInvalid.
db = self.db
await db.drop_collection("test_collection2")
collection = await db.create_collection("test_collection2")
self.assertTrue(isinstance(collection, motor.MotorCollection))
self.assertTrue("test_collection2" in (await db.list_collection_names()))
with self.assertRaises(CollectionInvalid):
await db.create_collection("test_collection2")
await db.drop_collection("test_collection2")
# Test creating capped collection
collection = await db.create_collection("test_capped", capped=True, size=4096)
self.assertTrue(isinstance(collection, motor.MotorCollection))
self.assertEqual({"capped": True, "size": 4096}, (await db.test_capped.options()))
await db.drop_collection("test_capped")
@gen_test
async def test_drop_collection(self):
# Make sure we can pass a MotorCollection instance to drop_collection
db = self.db
collection = db.test_drop_collection
await collection.insert_one({})
names = await db.list_collection_names()
self.assertTrue("test_drop_collection" in names)
await db.drop_collection(collection)
names = await db.list_collection_names()
self.assertFalse("test_drop_collection" in names)
@gen_test
async def test_validate_collection(self):
db = self.db
with self.assertRaises(TypeError):
await db.validate_collection(5)
with self.assertRaises(TypeError):
await db.validate_collection(None)
with self.assertRaises(OperationFailure):
await db.validate_collection("test.doesnotexist")
with self.assertRaises(OperationFailure):
await db.validate_collection(db.test.doesnotexist)
await db.test.insert_one({"dummy": "object"})
self.assertTrue(await db.validate_collection("test"))
self.assertTrue(await db.validate_collection(db.test))
def test_get_collection(self):
codec_options = CodecOptions(tz_aware=True, uuid_representation=JAVA_LEGACY)
write_concern = WriteConcern(w=2, j=True)
coll = self.db.get_collection("foo", codec_options, ReadPreference.SECONDARY, write_concern)
self.assertTrue(isinstance(coll, motor.MotorCollection))
self.assertEqual("foo", coll.name)
self.assertEqual(codec_options, coll.codec_options)
self.assertEqual(ReadPreference.SECONDARY, coll.read_preference)
self.assertEqual(write_concern, coll.write_concern)
pref = Secondary([{"dc": "sf"}])
coll = self.db.get_collection("foo", read_preference=pref)
self.assertEqual(pref, coll.read_preference)
self.assertEqual(self.db.codec_options, coll.codec_options)
self.assertEqual(self.db.write_concern, coll.write_concern)
def test_with_options(self):
db = self.db
codec_options = CodecOptions(tz_aware=True, uuid_representation=JAVA_LEGACY)
write_concern = WriteConcern(w=2, j=True)
db2 = db.with_options(codec_options, ReadPreference.SECONDARY, write_concern)
self.assertTrue(isinstance(db2, motor.MotorDatabase))
self.assertEqual(codec_options, db2.codec_options)
self.assertEqual(Secondary(), db2.read_preference)
self.assertEqual(write_concern, db2.write_concern)
pref = Secondary([{"dc": "sf"}])
db2 = db.with_options(read_preference=pref)
self.assertEqual(pref, db2.read_preference)
self.assertEqual(db.codec_options, db2.codec_options)
self.assertEqual(db.write_concern, db2.write_concern)
@gen_test
async def test_cursor_command(self):
db = self.db
await db.test.drop()
docs = [{"_id": i, "doc": i} for i in range(3)]
await db.test.insert_many(docs)
cursor = await db.cursor_command("find", "test")
for i in range(3):
item = await cursor.try_next()
self.assertEqual(item, docs[i])
if __name__ == "__main__":
unittest.main()
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