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# 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 objectid module."""
import datetime
import pickle
import warnings
import unittest
import sys
import time
sys.path[0:0] = [""]
from nose.plugins.skip import SkipTest
from bson.errors import InvalidId
from bson.objectid import ObjectId
from bson.py3compat import b, binary_type
from bson.tz_util import (FixedOffset,
utc)
PY3 = sys.version_info[0] == 3
def oid(x):
return ObjectId()
class TestObjectId(unittest.TestCase):
def setUp(self):
pass
def test_creation(self):
self.assertRaises(TypeError, ObjectId, 4)
self.assertRaises(TypeError, ObjectId, 175.0)
self.assertRaises(TypeError, ObjectId, {"test": 4})
self.assertRaises(TypeError, ObjectId, ["something"])
self.assertRaises(InvalidId, ObjectId, "")
self.assertRaises(InvalidId, ObjectId, "12345678901")
self.assertRaises(InvalidId, ObjectId, "1234567890123")
self.assertTrue(ObjectId())
self.assertTrue(ObjectId(b("123456789012")))
a = ObjectId()
self.assertTrue(ObjectId(a))
def test_unicode(self):
a = ObjectId()
self.assertEqual(a, ObjectId(unicode(a)))
self.assertEqual(ObjectId("123456789012123456789012"),
ObjectId(u"123456789012123456789012"))
self.assertRaises(InvalidId, ObjectId, u"hello")
def test_from_hex(self):
ObjectId("123456789012123456789012")
self.assertRaises(InvalidId, ObjectId, "123456789012123456789G12")
self.assertRaises(InvalidId, ObjectId, u"123456789012123456789G12")
def test_repr_str(self):
self.assertEqual(repr(ObjectId("1234567890abcdef12345678")),
"ObjectId('1234567890abcdef12345678')")
self.assertEqual(str(ObjectId("1234567890abcdef12345678")),
"1234567890abcdef12345678")
self.assertEqual(str(ObjectId(b("123456789012"))),
"313233343536373839303132")
self.assertEqual(ObjectId("1234567890abcdef12345678").binary,
b('\x124Vx\x90\xab\xcd\xef\x124Vx'))
self.assertEqual(str(ObjectId(b('\x124Vx\x90\xab\xcd\xef\x124Vx'))),
"1234567890abcdef12345678")
def test_cmp(self):
a = ObjectId()
self.assertEqual(a, ObjectId(a))
self.assertEqual(ObjectId(b("123456789012")), ObjectId(b("123456789012")))
self.assertNotEqual(ObjectId(), ObjectId())
self.assertNotEqual(ObjectId(b("123456789012")), b("123456789012"))
def test_binary_str_equivalence(self):
a = ObjectId()
self.assertEqual(a, ObjectId(a.binary))
self.assertEqual(a, ObjectId(str(a)))
def test_multiprocessing(self):
# multiprocessing on windows is weird and I don't feel like figuring it
# out right now. this should fix buildbot.
if sys.platform == "win32":
raise SkipTest()
try:
import multiprocessing
except ImportError:
raise SkipTest()
pool = multiprocessing.Pool(2)
ids = pool.map(oid, range(20))
pool.close()
pool.join()
map = {}
for id in ids:
self.assertTrue(id not in map)
map[id] = True
def test_generation_time(self):
d1 = datetime.datetime.utcnow()
d2 = ObjectId().generation_time
self.assertEqual(utc, d2.tzinfo)
d2 = d2.replace(tzinfo=None)
self.assertTrue(d2 - d1 < datetime.timedelta(seconds=2))
def test_from_datetime(self):
if 'PyPy 1.8.0' in sys.version:
# See https://bugs.pypy.org/issue1092
raise SkipTest("datetime.timedelta is broken in pypy 1.8.0")
d = datetime.datetime.utcnow()
d = d - datetime.timedelta(microseconds=d.microsecond)
oid = ObjectId.from_datetime(d)
self.assertEqual(d, oid.generation_time.replace(tzinfo=None))
self.assertEqual("0" * 16, str(oid)[8:])
aware = datetime.datetime(1993, 4, 4, 2,
tzinfo=FixedOffset(555, "SomeZone"))
as_utc = (aware - aware.utcoffset()).replace(tzinfo=utc)
oid = ObjectId.from_datetime(aware)
self.assertEqual(as_utc, oid.generation_time)
def test_pickling(self):
orig = ObjectId()
for protocol in [0, 1, 2, -1]:
pkl = pickle.dumps(orig, protocol=protocol)
self.assertEqual(orig, pickle.loads(pkl))
def test_pickle_backwards_compatability(self):
# For a full discussion see http://bugs.python.org/issue6137
if sys.version.startswith('3.0'):
raise SkipTest("Python 3.0.x can't unpickle "
"objects pickled in Python 2.x.")
# This string was generated by pickling an ObjectId in pymongo
# version 1.9
pickled_with_1_9 = b(
"ccopy_reg\n_reconstructor\np0\n"
"(cbson.objectid\nObjectId\np1\nc__builtin__\n"
"object\np2\nNtp3\nRp4\n"
"(dp5\nS'_ObjectId__id'\np6\n"
"S'M\\x9afV\\x13v\\xc0\\x0b\\x88\\x00\\x00\\x00'\np7\nsb.")
# We also test against a hardcoded "New" pickle format so that we
# make sure we're backward compatible with the current version in
# the future as well.
pickled_with_1_10 = b(
"ccopy_reg\n_reconstructor\np0\n"
"(cbson.objectid\nObjectId\np1\nc__builtin__\n"
"object\np2\nNtp3\nRp4\n"
"S'M\\x9afV\\x13v\\xc0\\x0b\\x88\\x00\\x00\\x00'\np5\nb."
)
if PY3:
# Have to load using 'latin-1' since these were pickled in python2.x.
oid_1_9 = pickle.loads(pickled_with_1_9, encoding='latin-1')
oid_1_10 = pickle.loads(pickled_with_1_10, encoding='latin-1')
else:
oid_1_9 = pickle.loads(pickled_with_1_9)
oid_1_10 = pickle.loads(pickled_with_1_10)
self.assertEqual(oid_1_9, ObjectId("4d9a66561376c00b88000000"))
self.assertEqual(oid_1_9, oid_1_10)
if __name__ == "__main__":
unittest.main()
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