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test_motor_gridfsbucket.py
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test_motor_gridfsbucket.py
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# -*- coding: utf-8 -*-
# Copyright 2016 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.
from __future__ import unicode_literals
"""Test MotorGridFSBucket."""
from io import BytesIO
from gridfs.errors import NoFile
from tornado import gen
from tornado.testing import gen_test
import motor
from test.tornado_tests import MotorTest
class MotorGridFSBucketTest(MotorTest):
@gen.coroutine
def _reset(self):
yield self.db.drop_collection("fs.files")
yield self.db.drop_collection("fs.chunks")
yield self.db.drop_collection("alt.files")
yield self.db.drop_collection("alt.chunks")
def setUp(self):
super(MotorGridFSBucketTest, self).setUp()
self.io_loop.run_sync(self._reset)
self.bucket = motor.MotorGridFSBucket(self.db)
def tearDown(self):
self.io_loop.run_sync(self._reset)
super(MotorGridFSBucketTest, self).tearDown()
@gen_test
def test_basic(self):
oid = yield self.bucket.upload_from_stream("test_filename",
b"hello world")
gout = yield self.bucket.open_download_stream(oid)
self.assertEqual(b"hello world", (yield gout.read()))
self.assertEqual(1, (yield self.db.fs.files.count_documents({})))
self.assertEqual(1, (yield self.db.fs.chunks.count_documents({})))
yield self.bucket.delete(oid)
with self.assertRaises(NoFile):
yield self.bucket.open_download_stream(oid)
self.assertEqual(0, (yield self.db.fs.files.count_documents({})))
self.assertEqual(0, (yield self.db.fs.chunks.count_documents({})))
gin = self.bucket.open_upload_stream("test_filename")
yield gin.write(b"hello world")
yield gin.close()
dst = BytesIO()
yield self.bucket.download_to_stream(gin._id, dst)
self.assertEqual(b"hello world", dst.getvalue())