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# -*- coding: utf-8 -*-
#
# Copyright 2009-2014 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.
"""Tests for the gridfs package.
"""
import datetime
import sys
import threading
import time
import unittest
import warnings
sys.path[0:0] = [""]
import gridfs
from bson.py3compat import b, StringIO
from gridfs.errors import (FileExists, NoFile)
from pymongo.errors import ConnectionFailure
from pymongo.mongo_client import MongoClient
from pymongo.read_preferences import ReadPreference
from test import skip_restricted_localhost
from test.test_client import get_client
from test.test_replica_set_client import TestReplicaSetClientBase
from test.utils import catch_warnings, joinall
setUpModule = skip_restricted_localhost
class JustWrite(threading.Thread):
def __init__(self, fs, n):
threading.Thread.__init__(self)
self.fs = fs
self.n = n
self.setDaemon(True)
def run(self):
for _ in range(self.n):
file = self.fs.new_file(filename="test")
file.write(b("hello"))
file.close()
class JustRead(threading.Thread):
def __init__(self, fs, n, results):
threading.Thread.__init__(self)
self.fs = fs
self.n = n
self.results = results
self.setDaemon(True)
def run(self):
for _ in range(self.n):
file = self.fs.get("test")
data = file.read()
self.results.append(data)
assert data == b("hello")
class TestGridfs(unittest.TestCase):
def setUp(self):
self.db = get_client().pymongo_test
self.db.drop_collection("fs.files")
self.db.drop_collection("fs.chunks")
self.db.drop_collection("alt.files")
self.db.drop_collection("alt.chunks")
self.fs = gridfs.GridFS(self.db)
self.alt = gridfs.GridFS(self.db, "alt")
def tearDown(self):
self.db = self.fs = self.alt = None
def test_gridfs(self):
self.assertRaises(TypeError, gridfs.GridFS, "foo")
self.assertRaises(TypeError, gridfs.GridFS, self.db, 5)
def test_basic(self):
oid = self.fs.put(b("hello world"))
self.assertEqual(b("hello world"), self.fs.get(oid).read())
self.assertEqual(1, self.db.fs.files.count())
self.assertEqual(1, self.db.fs.chunks.count())
self.fs.delete(oid)
self.assertRaises(NoFile, self.fs.get, oid)
self.assertEqual(0, self.db.fs.files.count())
self.assertEqual(0, self.db.fs.chunks.count())
self.assertRaises(NoFile, self.fs.get, "foo")
oid = self.fs.put(b("hello world"), _id="foo")
self.assertEqual("foo", oid)
self.assertEqual(b("hello world"), self.fs.get("foo").read())
def test_list(self):
self.assertEqual([], self.fs.list())
self.fs.put(b("hello world"))
self.assertEqual([], self.fs.list())
# PYTHON-598: in server versions before 2.5.x, creating an index on
# filename, uploadDate causes list() to include None.
self.fs.get_last_version()
self.assertEqual([], self.fs.list())
self.fs.put(b(""), filename="mike")
self.fs.put(b("foo"), filename="test")
self.fs.put(b(""), filename="hello world")
self.assertEqual(set(["mike", "test", "hello world"]),
set(self.fs.list()))
def test_empty_file(self):
oid = self.fs.put(b(""))
self.assertEqual(b(""), self.fs.get(oid).read())
self.assertEqual(1, self.db.fs.files.count())
self.assertEqual(0, self.db.fs.chunks.count())
raw = self.db.fs.files.find_one()
self.assertEqual(0, raw["length"])
self.assertEqual(oid, raw["_id"])
self.assertTrue(isinstance(raw["uploadDate"], datetime.datetime))
self.assertEqual(255 * 1024, raw["chunkSize"])
self.assertTrue(isinstance(raw["md5"], basestring))
def test_alt_collection(self):
oid = self.alt.put(b("hello world"))
self.assertEqual(b("hello world"), self.alt.get(oid).read())
self.assertEqual(1, self.db.alt.files.count())
self.assertEqual(1, self.db.alt.chunks.count())
self.alt.delete(oid)
self.assertRaises(NoFile, self.alt.get, oid)
self.assertEqual(0, self.db.alt.files.count())
self.assertEqual(0, self.db.alt.chunks.count())
self.assertRaises(NoFile, self.alt.get, "foo")
oid = self.alt.put(b("hello world"), _id="foo")
self.assertEqual("foo", oid)
self.assertEqual(b("hello world"), self.alt.get("foo").read())
self.alt.put(b(""), filename="mike")
self.alt.put(b("foo"), filename="test")
self.alt.put(b(""), filename="hello world")
self.assertEqual(set(["mike", "test", "hello world"]),
set(self.alt.list()))
def test_threaded_reads(self):
self.fs.put(b("hello"), _id="test")
threads = []
results = []
for i in range(10):
threads.append(JustRead(self.fs, 10, results))
threads[i].start()
joinall(threads)
self.assertEqual(
100 * [b('hello')],
results
)
def test_threaded_writes(self):
threads = []
for i in range(10):
threads.append(JustWrite(self.fs, 10))
threads[i].start()
joinall(threads)
f = self.fs.get_last_version("test")
self.assertEqual(f.read(), b("hello"))
# Should have created 100 versions of 'test' file
self.assertEqual(
100,
self.db.fs.files.find({'filename':'test'}).count()
)
def test_get_last_version(self):
one = self.fs.put(b("foo"), filename="test")
time.sleep(0.01)
two = self.fs.new_file(filename="test")
two.write(b("bar"))
two.close()
time.sleep(0.01)
two = two._id
three = self.fs.put(b("baz"), filename="test")
self.assertEqual(b("baz"), self.fs.get_last_version("test").read())
self.fs.delete(three)
self.assertEqual(b("bar"), self.fs.get_last_version("test").read())
self.fs.delete(two)
self.assertEqual(b("foo"), self.fs.get_last_version("test").read())
self.fs.delete(one)
self.assertRaises(NoFile, self.fs.get_last_version, "test")
def test_get_last_version_with_metadata(self):
one = self.fs.put(b("foo"), filename="test", author="author")
time.sleep(0.01)
two = self.fs.put(b("bar"), filename="test", author="author")
self.assertEqual(b("bar"), self.fs.get_last_version(author="author").read())
self.fs.delete(two)
self.assertEqual(b("foo"), self.fs.get_last_version(author="author").read())
self.fs.delete(one)
one = self.fs.put(b("foo"), filename="test", author="author1")
time.sleep(0.01)
two = self.fs.put(b("bar"), filename="test", author="author2")
self.assertEqual(b("foo"), self.fs.get_last_version(author="author1").read())
self.assertEqual(b("bar"), self.fs.get_last_version(author="author2").read())
self.assertEqual(b("bar"), self.fs.get_last_version(filename="test").read())
self.assertRaises(NoFile, self.fs.get_last_version, author="author3")
self.assertRaises(NoFile, self.fs.get_last_version, filename="nottest", author="author1")
self.fs.delete(one)
self.fs.delete(two)
def test_get_version(self):
self.fs.put(b("foo"), filename="test")
time.sleep(0.01)
self.fs.put(b("bar"), filename="test")
time.sleep(0.01)
self.fs.put(b("baz"), filename="test")
time.sleep(0.01)
self.assertEqual(b("foo"), self.fs.get_version("test", 0).read())
self.assertEqual(b("bar"), self.fs.get_version("test", 1).read())
self.assertEqual(b("baz"), self.fs.get_version("test", 2).read())
self.assertEqual(b("baz"), self.fs.get_version("test", -1).read())
self.assertEqual(b("bar"), self.fs.get_version("test", -2).read())
self.assertEqual(b("foo"), self.fs.get_version("test", -3).read())
self.assertRaises(NoFile, self.fs.get_version, "test", 3)
self.assertRaises(NoFile, self.fs.get_version, "test", -4)
def test_get_version_with_metadata(self):
one = self.fs.put(b("foo"), filename="test", author="author1")
time.sleep(0.01)
two = self.fs.put(b("bar"), filename="test", author="author1")
time.sleep(0.01)
three = self.fs.put(b("baz"), filename="test", author="author2")
self.assertEqual(b("foo"), self.fs.get_version(filename="test", author="author1", version=-2).read())
self.assertEqual(b("bar"), self.fs.get_version(filename="test", author="author1", version=-1).read())
self.assertEqual(b("foo"), self.fs.get_version(filename="test", author="author1", version=0).read())
self.assertEqual(b("bar"), self.fs.get_version(filename="test", author="author1", version=1).read())
self.assertEqual(b("baz"), self.fs.get_version(filename="test", author="author2", version=0).read())
self.assertEqual(b("baz"), self.fs.get_version(filename="test", version=-1).read())
self.assertEqual(b("baz"), self.fs.get_version(filename="test", version=2).read())
self.assertRaises(NoFile, self.fs.get_version, filename="test", author="author3")
self.assertRaises(NoFile, self.fs.get_version, filename="test", author="author1", version=2)
self.fs.delete(one)
self.fs.delete(two)
self.fs.delete(three)
def test_put_filelike(self):
oid = self.fs.put(StringIO(b("hello world")), chunk_size=1)
self.assertEqual(11, self.db.fs.chunks.count())
self.assertEqual(b("hello world"), self.fs.get(oid).read())
def test_file_exists(self):
db = get_client(w=1).pymongo_test
fs = gridfs.GridFS(db)
oid = fs.put(b("hello"))
self.assertRaises(FileExists, fs.put, b("world"), _id=oid)
one = fs.new_file(_id=123)
one.write(b("some content"))
one.close()
two = fs.new_file(_id=123)
self.assertRaises(FileExists, two.write, b('x' * 262146))
def test_exists(self):
oid = self.fs.put(b("hello"))
self.assertTrue(self.fs.exists(oid))
self.assertTrue(self.fs.exists({"_id": oid}))
self.assertTrue(self.fs.exists(_id=oid))
self.assertFalse(self.fs.exists(filename="mike"))
self.assertFalse(self.fs.exists("mike"))
oid = self.fs.put(b("hello"), filename="mike", foo=12)
self.assertTrue(self.fs.exists(oid))
self.assertTrue(self.fs.exists({"_id": oid}))
self.assertTrue(self.fs.exists(_id=oid))
self.assertTrue(self.fs.exists(filename="mike"))
self.assertTrue(self.fs.exists({"filename": "mike"}))
self.assertTrue(self.fs.exists(foo=12))
self.assertTrue(self.fs.exists({"foo": 12}))
self.assertTrue(self.fs.exists(foo={"$gt": 11}))
self.assertTrue(self.fs.exists({"foo": {"$gt": 11}}))
self.assertFalse(self.fs.exists(foo=13))
self.assertFalse(self.fs.exists({"foo": 13}))
self.assertFalse(self.fs.exists(foo={"$gt": 12}))
self.assertFalse(self.fs.exists({"foo": {"$gt": 12}}))
def test_put_unicode(self):
self.assertRaises(TypeError, self.fs.put, u"hello")
oid = self.fs.put(u"hello", encoding="utf-8")
self.assertEqual(b("hello"), self.fs.get(oid).read())
self.assertEqual("utf-8", self.fs.get(oid).encoding)
oid = self.fs.put(u"aé", encoding="iso-8859-1")
self.assertEqual(u"aé".encode("iso-8859-1"), self.fs.get(oid).read())
self.assertEqual("iso-8859-1", self.fs.get(oid).encoding)
def test_missing_length_iter(self):
# Test fix that guards against PHP-237
self.fs.put(b(""), filename="empty")
doc = self.db.fs.files.find_one({"filename": "empty"})
doc.pop("length")
self.db.fs.files.save(doc)
f = self.fs.get_last_version(filename="empty")
def iterate_file(grid_file):
for chunk in grid_file:
pass
return True
self.assertTrue(iterate_file(f))
def test_request(self):
c = self.db.connection
c.start_request()
n = 5
for i in range(n):
file = self.fs.new_file(filename="test")
file.write(b("hello"))
file.close()
c.end_request()
self.assertEqual(
n,
self.db.fs.files.find({'filename':'test'}).count()
)
def test_gridfs_request(self):
self.assertFalse(self.db.connection.in_request())
self.fs.put(b("hello world"))
# Request started and ended by put(), we're back to original state
self.assertFalse(self.db.connection.in_request())
def test_gridfs_lazy_connect(self):
client = MongoClient('badhost', _connect=False)
db = client.db
self.assertRaises(ConnectionFailure, gridfs.GridFS, db)
fs = gridfs.GridFS(db, _connect=False)
f = fs.new_file() # Still no connection.
self.assertRaises(ConnectionFailure, f.close)
def test_gridfs_find(self):
self.fs.put(b("test2"), filename="two")
time.sleep(0.01)
self.fs.put(b("test2+"), filename="two")
time.sleep(0.01)
self.fs.put(b("test1"), filename="one")
time.sleep(0.01)
self.fs.put(b("test2++"), filename="two")
self.assertEqual(3, self.fs.find({"filename":"two"}).count())
self.assertEqual(4, self.fs.find().count())
cursor = self.fs.find(timeout=False).sort("uploadDate", -1).skip(1).limit(2)
# 2to3 hint...
gout = cursor.next()
self.assertEqual(b("test1"), gout.read())
cursor.rewind()
gout = cursor.next()
self.assertEqual(b("test1"), gout.read())
gout = cursor.next()
self.assertEqual(b("test2+"), gout.read())
self.assertRaises(StopIteration, cursor.next)
cursor.close()
self.assertRaises(TypeError, self.fs.find, {}, {"_id": True})
def test_gridfs_find_one(self):
self.assertEqual(None, self.fs.find_one())
id1 = self.fs.put(b('test1'), filename='file1')
self.assertEqual(b('test1'), self.fs.find_one().read())
id2 = self.fs.put(b('test2'), filename='file2', meta='data')
self.assertEqual(b('test1'), self.fs.find_one(id1).read())
self.assertEqual(b('test2'), self.fs.find_one(id2).read())
self.assertEqual(b('test1'),
self.fs.find_one({'filename': 'file1'}).read())
self.assertEqual('data', self.fs.find_one(id2).meta)
def test_grid_in_non_int_chunksize(self):
# Lua, and perhaps other buggy GridFS clients, store size as a float.
data = b('data')
self.fs.put(data, filename='f')
self.db.fs.files.update({'filename': 'f'},
{'$set': {'chunkSize': 100.0}})
self.assertEqual(data, self.fs.get_version('f').read())
class TestGridfsReplicaSet(TestReplicaSetClientBase):
def test_gridfs_replica_set(self):
rsc = self._get_client(
w=self.w, wtimeout=30000,
read_preference=ReadPreference.SECONDARY)
try:
fs = gridfs.GridFS(rsc.pymongo_test)
oid = fs.put(b('foo'))
content = fs.get(oid).read()
self.assertEqual(b('foo'), content)
finally:
rsc.close()
def test_gridfs_secondary(self):
primary_host, primary_port = self.primary
primary_connection = MongoClient(primary_host, primary_port)
secondary_host, secondary_port = self.secondaries[0]
ctx = catch_warnings()
try:
warnings.simplefilter("ignore", DeprecationWarning)
for secondary_connection in [
MongoClient(secondary_host, secondary_port, slave_okay=True),
MongoClient(secondary_host, secondary_port,
read_preference=ReadPreference.SECONDARY),
]:
primary_connection.pymongo_test.drop_collection("fs.files")
primary_connection.pymongo_test.drop_collection("fs.chunks")
# Should detect it's connected to secondary and not attempt to
# create index
fs = gridfs.GridFS(secondary_connection.pymongo_test)
# This won't detect secondary, raises error
self.assertRaises(ConnectionFailure, fs.put, b('foo'))
finally:
ctx.exit()
def test_gridfs_secondary_lazy(self):
# Should detect it's connected to secondary and not attempt to
# create index.
secondary_host, secondary_port = self.secondaries[0]
client = MongoClient(
secondary_host, secondary_port,
read_preference=ReadPreference.SECONDARY,
_connect=False)
# Still no connection.
fs = gridfs.GridFS(client.test_gridfs_secondary_lazy, _connect=False)
# Connects, doesn't create index.
self.assertRaises(NoFile, fs.get_last_version)
self.assertRaises(ConnectionFailure, fs.put, 'data')
def tearDown(self):
rsc = self._get_client()
rsc.pymongo_test.drop_collection('fs.files')
rsc.pymongo_test.drop_collection('fs.chunks')
rsc.close()
if __name__ == "__main__":
unittest.main()