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# -*- coding: utf-8 -*-
#
# Copyright 2009-2012 10gen, 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.
"""
try:
from io import BytesIO as StringIO
except ImportError:
from cStringIO import StringIO
import datetime
import unittest
import threading
import time
import sys
sys.path[0:0] = [""]
import gridfs
from bson.py3compat import b
from gridfs.errors import (FileExists,
NoFile)
from test.test_connection import get_connection
from test.utils import joinall
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_connection().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 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())
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(256 * 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_put_duplicate(self):
oid = self.fs.put(b("hello"))
self.assertRaises(FileExists, self.fs.put, "world", _id=oid)
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()
)
if __name__ == "__main__":
unittest.main()
|
