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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.
"""Test some utilities for working with JSON and PyMongo."""
import unittest
import datetime
import re
import sys
json_lib = True
try:
import json
except ImportError:
try:
import simplejson as json
except ImportError:
json_lib = False
try:
import uuid
should_test_uuid = True
except ImportError:
should_test_uuid = False
from nose.plugins.skip import SkipTest
sys.path[0:0] = [""]
from bson.dbref import DBRef
from bson.json_util import default, object_hook
from bson.min_key import MinKey
from bson.max_key import MaxKey
from bson.objectid import ObjectId
from bson.timestamp import Timestamp
from bson.tz_util import utc
PY3 = sys.version_info[0] == 3
class TestJsonUtil(unittest.TestCase):
def setUp(self):
if not json_lib:
raise SkipTest()
def round_tripped(self, doc):
return json.loads(json.dumps(doc, default=default),
object_hook=object_hook)
def round_trip(self, doc):
self.assertEqual(doc, self.round_tripped(doc))
def test_basic(self):
self.round_trip({"hello": "world"})
def test_objectid(self):
self.round_trip({"id": ObjectId()})
def test_dbref(self):
self.round_trip({"ref": DBRef("foo", 5)})
self.round_trip({"ref": DBRef("foo", 5, "db")})
# TODO this is broken when using cjson. See:
# http://jira.mongodb.org/browse/PYTHON-153
# http://bugs.python.org/issue6105
#
# self.assertEqual("{\"ref\": {\"$ref\": \"foo\", \"$id\": 5}}",
# json.dumps({"ref": DBRef("foo", 5)},
# default=default))
# self.assertEqual("{\"ref\": {\"$ref\": \"foo\",
# \"$id\": 5, \"$db\": \"bar\"}}",
# json.dumps({"ref": DBRef("foo", 5, "bar")},
# default=default))
def test_datetime(self):
# only millis, not micros
self.round_trip({"date": datetime.datetime(2009, 12, 9, 15,
49, 45, 191000, utc)})
def test_regex(self):
res = self.round_tripped({"r": re.compile("a*b", re.IGNORECASE)})["r"]
self.assertEqual("a*b", res.pattern)
if PY3:
# re.UNICODE is a default in python 3.
self.assertEqual(re.IGNORECASE|re.UNICODE, res.flags)
else:
self.assertEqual(re.IGNORECASE, res.flags)
def test_minkey(self):
self.round_trip({"m": MinKey()})
def test_maxkey(self):
self.round_trip({"m": MinKey()})
def test_timestamp(self):
res = json.dumps({"ts": Timestamp(4, 13)}, default=default)
dct = json.loads(res)
self.assertEqual(dct['ts']['t'], 4)
self.assertEqual(dct['ts']['i'], 13)
def test_uuid(self):
if not should_test_uuid:
raise SkipTest()
self.round_trip(
{'uuid': uuid.UUID('f47ac10b-58cc-4372-a567-0e02b2c3d479')})
if __name__ == "__main__":
unittest.main()
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