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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 GridFS with Motor, an asynchronous driver for MongoDB and Tornado."""
import datetime
import sys
import traceback
import unittest
from test import MockRequestHandler
from test.asyncio_tests import AsyncIOTestCase, asyncio_test
from bson.objectid import ObjectId
from gridfs.errors import NoFile
from pymongo.errors import InvalidOperation
from motor import motor_asyncio
class MotorGridFileTest(AsyncIOTestCase):
async def _reset(self):
await self.db.drop_collection("fs.files")
await self.db.drop_collection("fs.chunks")
await self.db.drop_collection("alt.files")
await self.db.drop_collection("alt.chunks")
def tearDown(self):
self.loop.run_until_complete(self._reset())
super().tearDown()
@asyncio_test
async def test_attributes(self):
f = motor_asyncio.AsyncIOMotorGridIn(
self.db.fs, filename="test", foo="bar", content_type="text"
)
await f.close()
g = motor_asyncio.AsyncIOMotorGridOut(self.db.fs, f._id)
attr_names = (
"_id",
"filename",
"name",
"name",
"content_type",
"length",
"chunk_size",
"upload_date",
"aliases",
"metadata",
)
for attr_name in attr_names:
self.assertRaises(InvalidOperation, getattr, g, attr_name)
await g.open()
for attr_name in attr_names:
getattr(g, attr_name)
@asyncio_test
async def test_iteration(self):
fs = motor_asyncio.AsyncIOMotorGridFSBucket(self.db)
_id = await fs.upload_from_stream("filename", b"foo")
g = motor_asyncio.AsyncIOMotorGridOut(self.db.fs, _id)
# Iteration is prohibited.
self.assertRaises(TypeError, iter, g)
@asyncio_test
async def test_basic(self):
f = motor_asyncio.AsyncIOMotorGridIn(self.db.fs, filename="test")
await f.write(b"hello world")
await f.close()
self.assertEqual(1, (await self.db.fs.files.count_documents({})))
self.assertEqual(1, (await self.db.fs.chunks.count_documents({})))
g = motor_asyncio.AsyncIOMotorGridOut(self.db.fs, f._id)
self.assertEqual(b"hello world", (await g.read()))
f = motor_asyncio.AsyncIOMotorGridIn(self.db.fs, filename="test")
await f.close()
self.assertEqual(2, (await self.db.fs.files.count_documents({})))
self.assertEqual(1, (await self.db.fs.chunks.count_documents({})))
g = motor_asyncio.AsyncIOMotorGridOut(self.db.fs, f._id)
self.assertEqual(b"", (await g.read()))
@asyncio_test
async def test_readchunk(self):
in_data = b"a" * 10
f = motor_asyncio.AsyncIOMotorGridIn(self.db.fs, chunkSize=3)
await f.write(in_data)
await f.close()
g = motor_asyncio.AsyncIOMotorGridOut(self.db.fs, f._id)
# This is starting to look like Lisp.
self.assertEqual(3, len(await g.readchunk()))
self.assertEqual(2, len(await g.read(2)))
self.assertEqual(1, len(await g.readchunk()))
self.assertEqual(3, len(await g.read(3)))
self.assertEqual(1, len(await g.readchunk()))
self.assertEqual(0, len(await g.readchunk()))
@asyncio_test
async def test_gridout_open_exc_info(self):
g = motor_asyncio.AsyncIOMotorGridOut(self.db.fs, "_id that doesn't exist")
try:
await g.open()
except NoFile:
_, _, tb = sys.exc_info()
# The call tree should include PyMongo code we ran on a thread.
formatted = "\n".join(traceback.format_tb(tb))
self.assertTrue("open" in formatted)
@asyncio_test
async def test_alternate_collection(self):
await self.db.alt.files.delete_many({})
await self.db.alt.chunks.delete_many({})
f = motor_asyncio.AsyncIOMotorGridIn(self.db.alt)
await f.write(b"hello world")
await f.close()
self.assertEqual(1, (await self.db.alt.files.count_documents({})))
self.assertEqual(1, (await self.db.alt.chunks.count_documents({})))
g = motor_asyncio.AsyncIOMotorGridOut(self.db.alt, f._id)
self.assertEqual(b"hello world", (await g.read()))
@asyncio_test
async def test_grid_in_default_opts(self):
self.assertRaises(TypeError, motor_asyncio.AsyncIOMotorGridIn, "foo")
a = motor_asyncio.AsyncIOMotorGridIn(self.db.fs)
self.assertTrue(isinstance(a._id, ObjectId))
self.assertRaises(AttributeError, setattr, a, "_id", 5)
self.assertEqual(None, a.filename)
# This raises AttributeError because you can't directly set properties
# in Motor, have to use set()
def setter():
a.filename = "my_file"
self.assertRaises(AttributeError, setter)
# This method of setting attributes works in Motor
await a.set("filename", "my_file")
self.assertEqual("my_file", a.filename)
self.assertEqual(None, a.content_type)
await a.set("content_type", "text/html")
self.assertEqual("text/html", a.content_type)
self.assertRaises(AttributeError, getattr, a, "length")
self.assertRaises(AttributeError, setattr, a, "length", 5)
self.assertEqual(255 * 1024, a.chunk_size)
self.assertRaises(AttributeError, setattr, a, "chunk_size", 5)
self.assertRaises(AttributeError, getattr, a, "upload_date")
self.assertRaises(AttributeError, setattr, a, "upload_date", 5)
self.assertRaises(AttributeError, getattr, a, "aliases")
await a.set("aliases", ["foo"])
self.assertEqual(["foo"], a.aliases)
self.assertRaises(AttributeError, getattr, a, "metadata")
await a.set("metadata", {"foo": 1})
self.assertEqual({"foo": 1}, a.metadata)
await a.close()
self.assertTrue(isinstance(a._id, ObjectId))
self.assertRaises(AttributeError, setattr, a, "_id", 5)
self.assertEqual("my_file", a.filename)
self.assertEqual("text/html", a.content_type)
self.assertEqual(0, a.length)
self.assertRaises(AttributeError, setattr, a, "length", 5)
self.assertEqual(255 * 1024, a.chunk_size)
self.assertRaises(AttributeError, setattr, a, "chunk_size", 5)
self.assertTrue(isinstance(a.upload_date, datetime.datetime))
self.assertRaises(AttributeError, setattr, a, "upload_date", 5)
self.assertEqual(["foo"], a.aliases)
self.assertEqual({"foo": 1}, a.metadata)
@asyncio_test
async def test_grid_in_custom_opts(self):
self.assertRaises(TypeError, motor_asyncio.AsyncIOMotorGridIn, "foo")
a = motor_asyncio.AsyncIOMotorGridIn(
self.db.fs,
_id=5,
filename="my_file",
contentType="text/html",
chunkSize=1000,
aliases=["foo"],
metadata={"foo": 1, "bar": 2},
bar=3,
baz="hello",
)
self.assertEqual(5, a._id)
self.assertEqual("my_file", a.filename)
self.assertEqual("text/html", a.content_type)
self.assertEqual(1000, a.chunk_size)
self.assertEqual(["foo"], a.aliases)
self.assertEqual({"foo": 1, "bar": 2}, a.metadata)
self.assertEqual(3, a.bar)
self.assertEqual("hello", a.baz)
self.assertRaises(AttributeError, getattr, a, "mike")
b = motor_asyncio.AsyncIOMotorGridIn(
self.db.fs, content_type="text/html", chunk_size=1000, baz=100
)
self.assertEqual("text/html", b.content_type)
self.assertEqual(1000, b.chunk_size)
self.assertEqual(100, b.baz)
@asyncio_test
async def test_grid_out_default_opts(self):
self.assertRaises(TypeError, motor_asyncio.AsyncIOMotorGridOut, "foo")
gout = motor_asyncio.AsyncIOMotorGridOut(self.db.fs, 5)
with self.assertRaises(NoFile):
await gout.open()
a = motor_asyncio.AsyncIOMotorGridIn(self.db.fs)
await a.close()
b = await motor_asyncio.AsyncIOMotorGridOut(self.db.fs, a._id).open()
self.assertEqual(a._id, b._id)
self.assertEqual(0, b.length)
self.assertEqual(None, b.content_type)
self.assertEqual(255 * 1024, b.chunk_size)
self.assertTrue(isinstance(b.upload_date, datetime.datetime))
self.assertEqual(None, b.aliases)
self.assertEqual(None, b.metadata)
@asyncio_test
async def test_grid_out_custom_opts(self):
one = motor_asyncio.AsyncIOMotorGridIn(
self.db.fs,
_id=5,
filename="my_file",
contentType="text/html",
chunkSize=1000,
aliases=["foo"],
metadata={"foo": 1, "bar": 2},
bar=3,
baz="hello",
)
await one.write(b"hello world")
await one.close()
two = await motor_asyncio.AsyncIOMotorGridOut(self.db.fs, 5).open()
self.assertEqual(5, two._id)
self.assertEqual(11, two.length)
self.assertEqual("text/html", two.content_type)
self.assertEqual(1000, two.chunk_size)
self.assertTrue(isinstance(two.upload_date, datetime.datetime))
self.assertEqual(["foo"], two.aliases)
self.assertEqual({"foo": 1, "bar": 2}, two.metadata)
self.assertEqual(3, two.bar)
@asyncio_test
async def test_grid_out_file_document(self):
one = motor_asyncio.AsyncIOMotorGridIn(self.db.fs)
await one.write(b"foo bar")
await one.close()
file_document = await self.db.fs.files.find_one()
two = motor_asyncio.AsyncIOMotorGridOut(self.db.fs, file_document=file_document)
self.assertEqual(b"foo bar", (await two.read()))
file_document = await self.db.fs.files.find_one()
three = motor_asyncio.AsyncIOMotorGridOut(self.db.fs, 5, file_document)
self.assertEqual(b"foo bar", (await three.read()))
gridout = motor_asyncio.AsyncIOMotorGridOut(self.db.fs, file_document={})
with self.assertRaises(NoFile):
await gridout.open()
@asyncio_test
async def test_write_file_like(self):
one = motor_asyncio.AsyncIOMotorGridIn(self.db.fs)
await one.write(b"hello world")
await one.close()
two = motor_asyncio.AsyncIOMotorGridOut(self.db.fs, one._id)
three = motor_asyncio.AsyncIOMotorGridIn(self.db.fs)
await three.write(two)
await three.close()
four = motor_asyncio.AsyncIOMotorGridOut(self.db.fs, three._id)
self.assertEqual(b"hello world", (await four.read()))
@asyncio_test
async def test_set_after_close(self):
f = motor_asyncio.AsyncIOMotorGridIn(self.db.fs, _id="foo", bar="baz")
self.assertEqual("foo", f._id)
self.assertEqual("baz", f.bar)
self.assertRaises(AttributeError, getattr, f, "baz")
self.assertRaises(AttributeError, getattr, f, "uploadDate")
self.assertRaises(AttributeError, setattr, f, "_id", 5)
f.bar = "foo"
f.baz = 5
self.assertEqual("foo", f.bar)
self.assertEqual(5, f.baz)
self.assertRaises(AttributeError, getattr, f, "uploadDate")
await f.close()
self.assertEqual("foo", f._id)
self.assertEqual("foo", f.bar)
self.assertEqual(5, f.baz)
self.assertTrue(f.uploadDate)
self.assertRaises(AttributeError, setattr, f, "_id", 5)
await f.set("bar", "a")
await f.set("baz", "b")
self.assertRaises(AttributeError, setattr, f, "upload_date", 5)
g = await motor_asyncio.AsyncIOMotorGridOut(self.db.fs, f._id).open()
self.assertEqual("a", g.bar)
self.assertEqual("b", g.baz)
@asyncio_test
async def test_stream_to_handler(self):
fs = motor_asyncio.AsyncIOMotorGridFSBucket(self.db)
for content_length in (0, 1, 100, 100 * 1000):
_id = await fs.upload_from_stream("filename", b"a" * content_length)
gridout = await fs.open_download_stream(_id)
handler = MockRequestHandler()
await gridout.stream_to_handler(handler)
self.assertEqual(content_length, handler.n_written)
await fs.delete(_id)
if __name__ == "__main__":
unittest.main()
|
