/
test_bson.py
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/
test_bson.py
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# Copyright 2009 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 the bson module."""
import unittest
import datetime
import re
import glob
import sys
import types
try:
import uuid
should_test_uuid = True
except ImportError:
should_test_uuid = False
from nose.plugins.skip import SkipTest
sys.path[0:0] = [""]
import qcheck
from pymongo.binary import Binary
from pymongo.code import Code
from pymongo.objectid import ObjectId
from pymongo.dbref import DBRef
from pymongo.son import SON
from pymongo.bson import BSON, is_valid, _to_dicts
from pymongo.errors import UnsupportedTag, InvalidDocument, InvalidStringData
class TestBSON(unittest.TestCase):
def setUp(self):
pass
def test_basic_validation(self):
self.assertRaises(TypeError, is_valid, 100)
self.assertRaises(TypeError, is_valid, u"test")
self.assertRaises(TypeError, is_valid, 10.4)
self.failIf(is_valid("test"))
# the simplest valid BSON document
self.assert_(is_valid("\x05\x00\x00\x00\x00"))
self.assert_(is_valid(BSON("\x05\x00\x00\x00\x00")))
self.failIf(is_valid("\x04\x00\x00\x00\x00"))
self.failIf(is_valid("\x05\x00\x00\x00\x01"))
self.failIf(is_valid("\x05\x00\x00\x00"))
self.failIf(is_valid("\x05\x00\x00\x00\x00\x00"))
def test_random_data_is_not_bson(self):
qcheck.check_unittest(self, qcheck.isnt(is_valid),
qcheck.gen_string(qcheck.gen_range(0, 40)))
def test_basic_to_dict(self):
self.assertEqual({"test": u"hello world"},
BSON("\x1B\x00\x00\x00\x0E\x74\x65\x73\x74\x00\x0C"
"\x00\x00\x00\x68\x65\x6C\x6C\x6F\x20\x77\x6F"
"\x72\x6C\x64\x00\x00").to_dict())
self.assertEqual([{"test": u"hello world"}, {}],
_to_dicts("\x1B\x00\x00\x00\x0E\x74\x65\x73\x74\x00"
"\x0C\x00\x00\x00\x68\x65\x6C\x6C\x6F\x20"
"\x77\x6F\x72\x6C\x64\x00\x00\x05\x00\x00"
"\x00\x00"))
def test_data_timestamp(self):
self.assertEqual({"test": (4, 20)},
BSON("\x13\x00\x00\x00\x11\x74\x65\x73\x74\x00\x04"
"\x00\x00\x00\x14\x00\x00\x00\x00").to_dict())
def test_basic_from_dict(self):
self.assertRaises(TypeError, BSON.from_dict, 100)
self.assertRaises(TypeError, BSON.from_dict, "hello")
self.assertRaises(TypeError, BSON.from_dict, None)
self.assertRaises(TypeError, BSON.from_dict, [])
self.assertEqual(BSON.from_dict({}), BSON("\x05\x00\x00\x00\x00"))
self.assertEqual(BSON.from_dict({"test": u"hello world"}),
"\x1B\x00\x00\x00\x02\x74\x65\x73\x74\x00\x0C\x00\x00"
"\x00\x68\x65\x6C\x6C\x6F\x20\x77\x6F\x72\x6C\x64\x00"
"\x00")
self.assertEqual(BSON.from_dict({u"mike": 100}),
"\x0F\x00\x00\x00\x10\x6D\x69\x6B\x65\x00\x64\x00\x00"
"\x00\x00")
self.assertEqual(BSON.from_dict({"hello": 1.5}),
"\x14\x00\x00\x00\x01\x68\x65\x6C\x6C\x6F\x00\x00\x00"
"\x00\x00\x00\x00\xF8\x3F\x00")
self.assertEqual(BSON.from_dict({"true": True}),
"\x0C\x00\x00\x00\x08\x74\x72\x75\x65\x00\x01\x00")
self.assertEqual(BSON.from_dict({"false": False}),
"\x0D\x00\x00\x00\x08\x66\x61\x6C\x73\x65\x00\x00"
"\x00")
self.assertEqual(BSON.from_dict({"empty": []}),
"\x11\x00\x00\x00\x04\x65\x6D\x70\x74\x79\x00\x05\x00"
"\x00\x00\x00\x00")
self.assertEqual(BSON.from_dict({"none": {}}),
"\x10\x00\x00\x00\x03\x6E\x6F\x6E\x65\x00\x05\x00\x00"
"\x00\x00\x00")
self.assertEqual(BSON.from_dict({"test": Binary("test")}),
"\x18\x00\x00\x00\x05\x74\x65\x73\x74\x00\x08\x00\x00"
"\x00\x02\x04\x00\x00\x00\x74\x65\x73\x74\x00")
self.assertEqual(BSON.from_dict({"test": Binary("test", 128)}),
"\x14\x00\x00\x00\x05\x74\x65\x73\x74\x00\x04\x00\x00"
"\x00\x80\x74\x65\x73\x74\x00")
self.assertEqual(BSON.from_dict({"test": None}),
"\x0B\x00\x00\x00\x0A\x74\x65\x73\x74\x00\x00")
self.assertEqual(BSON.from_dict({"date": datetime.datetime(2007, 1, 8,
0, 30,
11)}),
"\x13\x00\x00\x00\x09\x64\x61\x74\x65\x00\x38\xBE\x1C"
"\xFF\x0F\x01\x00\x00\x00")
self.assertEqual(BSON.from_dict({"regex": re.compile("a*b",
re.IGNORECASE)}),
"\x12\x00\x00\x00\x0B\x72\x65\x67\x65\x78\x00\x61\x2A"
"\x62\x00\x69\x00\x00")
self.assertEqual(BSON.from_dict({"$where": Code("test")}),
"\x1F\x00\x00\x00\x0F\x24\x77\x68\x65\x72\x65\x00\x12"
"\x00\x00\x00\x05\x00\x00\x00\x74\x65\x73\x74\x00\x05"
"\x00\x00\x00\x00\x00")
a = ObjectId("\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B")
self.assertEqual(BSON.from_dict({"oid": a}),
"\x16\x00\x00\x00\x07\x6F\x69\x64\x00\x00\x01\x02\x03"
"\x04\x05\x06\x07\x08\x09\x0A\x0B\x00")
self.assertEqual(BSON.from_dict({"ref": DBRef("coll", a)}),
"\x2F\x00\x00\x00\x03ref\x00\x25\x00\x00\x00\x02$ref"
"\x00\x05\x00\x00\x00coll\x00\x07$id\x00\x00\x01\x02"
"\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x00\x00")
def test_null_character_encoding(self):
self.assertRaises(InvalidStringData, BSON.from_dict, {"with zero": "hello\x00world"})
self.assertRaises(InvalidStringData, BSON.from_dict, {"with zero": u"hello\x00world"})
def test_from_then_to_dict(self):
def helper(dict):
self.assertEqual(dict, (BSON.from_dict(dict)).to_dict())
helper({})
helper({"test": u"hello"})
self.assert_(isinstance(BSON.from_dict({"hello": "world"})
.to_dict()["hello"],
types.UnicodeType))
helper({"mike": -10120})
helper({"long": long(10)})
helper({"really big long": 2147483648})
helper({u"hello": 0.0013109})
helper({"something": True})
helper({"false": False})
helper({"an array": [1, True, 3.8, u"world"]})
helper({"an object": {"test": u"something"}})
helper({"a binary": Binary("test", 100)})
helper({"a binary": Binary("test", 128)})
helper({"a binary": Binary("test", 254)})
helper({"another binary": Binary("test")})
helper(SON([(u'test dst', datetime.datetime(1993, 4, 4, 2))]))
helper({"big float": float(10000000000)})
helper({"ref": DBRef("coll", 5)})
helper({"ref": DBRef("coll", 5, "foo")})
def from_then_to_dict(dict):
return dict == (BSON.from_dict(dict)).to_dict()
qcheck.check_unittest(self, from_then_to_dict,
qcheck.gen_mongo_dict(3))
def test_data_files(self):
# TODO don't hardcode this, actually clone the repo
data_files = "../mongo-qa/modules/bson_tests/tests/*/*.xson"
generate = True
for file_name in glob.glob(data_files):
f = open(file_name, "r")
xml = f.read()
f.close()
try:
doc = SON.from_xml(xml)
bson = BSON.from_dict(doc)
except UnsupportedTag:
print "skipped file %s: %s" % (file_name, sys.exc_info()[1])
continue
try:
f = open(file_name.replace(".xson", ".bson"), "rb")
expected = f.read()
f.close()
self.assertEqual(bson, expected, file_name)
self.assertEqual(doc, bson.to_dict(), file_name)
except IOError:
if generate:
print "generating .bson for %s" % file_name
f = open(file_name.replace(".xson", ".bson"), "w")
f.write(bson)
f.close()
def test_bad_encode(self):
self.assertRaises(InvalidStringData, BSON.from_dict,
{"lalala": '\xf4\xe0\xf0\xe1\xc0 Color Touch'})
def test_overflow(self):
self.assert_(BSON.from_dict({"x": 9223372036854775807L}))
self.assertRaises(OverflowError, BSON.from_dict, {"x": 9223372036854775808L})
self.assert_(BSON.from_dict({"x": -9223372036854775808L}))
self.assertRaises(OverflowError, BSON.from_dict, {"x": -9223372036854775809L})
def test_tuple(self):
self.assertEqual({"tuple": [1, 2]},
BSON.from_dict({"tuple": (1, 2)}).to_dict())
def test_uuid(self):
if not should_test_uuid:
raise SkipTest()
id = uuid.uuid4()
transformed_id = (BSON.from_dict({"id": id})).to_dict()["id"]
self.assert_(isinstance(transformed_id, uuid.UUID))
self.assertEqual(id, transformed_id)
self.assertNotEqual(uuid.uuid4(), transformed_id)
# The C extension was segfaulting on unicode RegExs, so we have this test
# that doesn't really test anything but the lack of a segfault.
def test_unicode_regex(self):
regex = re.compile(u'revisi\xf3n')
BSON.from_dict({"regex": regex}).to_dict()
def test_non_string_keys(self):
self.assertRaises(InvalidDocument, BSON.from_dict, {8.9: "test"})
# TODO this test doesn't pass w/ C extension
#
# timegm doesn't handle years < 1900 (negative), at least on OS X
# we probably need to use our own version of timegm
# def test_date_before_epoch(self):
# doc = {"date": datetime.datetime(1600, 5, 5)}
# self.assertEqual(doc, BSON.from_dict(doc).to_dict())
if __name__ == "__main__":
unittest.main()