466 lines
20 KiB
Python
466 lines
20 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright 2009-2012 10gen, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Test the bson module."""
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import unittest
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import datetime
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import re
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import sys
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try:
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import uuid
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should_test_uuid = True
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except ImportError:
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should_test_uuid = False
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sys.path[0:0] = [""]
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from nose.plugins.skip import SkipTest
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import bson
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from bson import (BSON,
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decode_all,
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is_valid)
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from bson.binary import Binary, UUIDLegacy
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from bson.code import Code
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from bson.objectid import ObjectId
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from bson.dbref import DBRef
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from bson.py3compat import b
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from bson.son import SON
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from bson.timestamp import Timestamp
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from bson.errors import (InvalidDocument,
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InvalidStringData)
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from bson.max_key import MaxKey
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from bson.min_key import MinKey
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from bson.tz_util import (FixedOffset,
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utc)
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from test import qcheck
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PY3 = sys.version_info[0] == 3
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class TestBSON(unittest.TestCase):
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def setUp(self):
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pass
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def test_basic_validation(self):
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self.assertRaises(TypeError, is_valid, 100)
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self.assertRaises(TypeError, is_valid, u"test")
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self.assertRaises(TypeError, is_valid, 10.4)
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self.assertFalse(is_valid(b("test")))
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# the simplest valid BSON document
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self.assertTrue(is_valid(b("\x05\x00\x00\x00\x00")))
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self.assertTrue(is_valid(BSON(b("\x05\x00\x00\x00\x00"))))
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# failure cases
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self.assertFalse(is_valid(b("\x04\x00\x00\x00\x00")))
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self.assertFalse(is_valid(b("\x05\x00\x00\x00\x01")))
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self.assertFalse(is_valid(b("\x05\x00\x00\x00")))
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self.assertFalse(is_valid(b("\x05\x00\x00\x00\x00\x00")))
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self.assertFalse(is_valid(b("\x07\x00\x00\x00\x02a\x00\x78\x56\x34\x12")))
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self.assertFalse(is_valid(b("\x09\x00\x00\x00\x10a\x00\x05\x00")))
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self.assertFalse(is_valid(b("\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00")))
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self.assertFalse(is_valid(b("\x13\x00\x00\x00\x02foo\x00"
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"\x04\x00\x00\x00bar\x00\x00")))
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self.assertFalse(is_valid(b("\x18\x00\x00\x00\x03foo\x00\x0f\x00\x00"
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"\x00\x10bar\x00\xff\xff\xff\x7f\x00\x00")))
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self.assertFalse(is_valid(b("\x15\x00\x00\x00\x03foo\x00\x0c"
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"\x00\x00\x00\x08bar\x00\x01\x00\x00")))
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self.assertFalse(is_valid(b("\x1c\x00\x00\x00\x03foo\x00"
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"\x12\x00\x00\x00\x02bar\x00"
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"\x05\x00\x00\x00baz\x00\x00\x00")))
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self.assertFalse(is_valid(b("\x10\x00\x00\x00\x02a\x00"
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"\x04\x00\x00\x00abc\xff\x00")))
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def test_random_data_is_not_bson(self):
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qcheck.check_unittest(self, qcheck.isnt(is_valid),
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qcheck.gen_string(qcheck.gen_range(0, 40)))
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def test_basic_decode(self):
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self.assertEqual({"test": u"hello world"},
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BSON(b("\x1B\x00\x00\x00\x0E\x74\x65\x73\x74\x00\x0C"
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"\x00\x00\x00\x68\x65\x6C\x6C\x6F\x20\x77\x6F"
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"\x72\x6C\x64\x00\x00")).decode())
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self.assertEqual([{"test": u"hello world"}, {}],
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decode_all(b("\x1B\x00\x00\x00\x0E\x74\x65\x73\x74"
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"\x00\x0C\x00\x00\x00\x68\x65\x6C\x6C"
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"\x6f\x20\x77\x6F\x72\x6C\x64\x00\x00"
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"\x05\x00\x00\x00\x00")))
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def test_data_timestamp(self):
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self.assertEqual({"test": Timestamp(4, 20)},
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BSON(b("\x13\x00\x00\x00\x11\x74\x65\x73\x74\x00\x14"
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"\x00\x00\x00\x04\x00\x00\x00\x00")).decode())
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def test_basic_encode(self):
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self.assertRaises(TypeError, BSON.encode, 100)
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self.assertRaises(TypeError, BSON.encode, "hello")
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self.assertRaises(TypeError, BSON.encode, None)
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self.assertRaises(TypeError, BSON.encode, [])
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self.assertEqual(BSON.encode({}), BSON(b("\x05\x00\x00\x00\x00")))
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self.assertEqual(BSON.encode({"test": u"hello world"}),
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b("\x1B\x00\x00\x00\x02\x74\x65\x73\x74\x00\x0C\x00"
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"\x00\x00\x68\x65\x6C\x6C\x6F\x20\x77\x6F\x72\x6C"
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"\x64\x00\x00"))
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self.assertEqual(BSON.encode({u"mike": 100}),
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b("\x0F\x00\x00\x00\x10\x6D\x69\x6B\x65\x00\x64\x00"
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"\x00\x00\x00"))
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self.assertEqual(BSON.encode({"hello": 1.5}),
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b("\x14\x00\x00\x00\x01\x68\x65\x6C\x6C\x6F\x00\x00"
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"\x00\x00\x00\x00\x00\xF8\x3F\x00"))
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self.assertEqual(BSON.encode({"true": True}),
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b("\x0C\x00\x00\x00\x08\x74\x72\x75\x65\x00\x01\x00"))
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self.assertEqual(BSON.encode({"false": False}),
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b("\x0D\x00\x00\x00\x08\x66\x61\x6C\x73\x65\x00\x00"
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"\x00"))
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self.assertEqual(BSON.encode({"empty": []}),
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b("\x11\x00\x00\x00\x04\x65\x6D\x70\x74\x79\x00\x05"
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"\x00\x00\x00\x00\x00"))
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self.assertEqual(BSON.encode({"none": {}}),
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b("\x10\x00\x00\x00\x03\x6E\x6F\x6E\x65\x00\x05\x00"
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"\x00\x00\x00\x00"))
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self.assertEqual(BSON.encode({"test": Binary(b("test"), 0)}),
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b("\x14\x00\x00\x00\x05\x74\x65\x73\x74\x00\x04\x00"
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"\x00\x00\x00\x74\x65\x73\x74\x00"))
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self.assertEqual(BSON.encode({"test": Binary(b("test"), 2)}),
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b("\x18\x00\x00\x00\x05\x74\x65\x73\x74\x00\x08\x00"
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"\x00\x00\x02\x04\x00\x00\x00\x74\x65\x73\x74\x00"))
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self.assertEqual(BSON.encode({"test": Binary(b("test"), 128)}),
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b("\x14\x00\x00\x00\x05\x74\x65\x73\x74\x00\x04\x00"
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"\x00\x00\x80\x74\x65\x73\x74\x00"))
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self.assertEqual(BSON.encode({"test": None}),
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b("\x0B\x00\x00\x00\x0A\x74\x65\x73\x74\x00\x00"))
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self.assertEqual(BSON.encode({"date": datetime.datetime(2007, 1, 8,
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0, 30, 11)}),
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b("\x13\x00\x00\x00\x09\x64\x61\x74\x65\x00\x38\xBE"
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"\x1C\xFF\x0F\x01\x00\x00\x00"))
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self.assertEqual(BSON.encode({"regex": re.compile(b("a*b"),
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re.IGNORECASE)}),
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b("\x12\x00\x00\x00\x0B\x72\x65\x67\x65\x78\x00\x61"
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"\x2A\x62\x00\x69\x00\x00"))
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self.assertEqual(BSON.encode({"$where": Code("test")}),
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b("\x16\x00\x00\x00\r$where\x00\x05\x00\x00\x00test"
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"\x00\x00"))
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self.assertEqual(BSON.encode({"$field":
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Code("function(){ return true;}", scope=None)}),
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b("+\x00\x00\x00\r$field\x00\x1a\x00\x00\x00"
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"function(){ return true;}\x00\x00"))
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self.assertEqual(BSON.encode({"$field":
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Code("return function(){ return x; }",
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scope={'x': False})}),
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b("=\x00\x00\x00\x0f$field\x000\x00\x00\x00\x1f\x00"
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"\x00\x00return function(){ return x; }\x00\t\x00"
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"\x00\x00\x08x\x00\x00\x00\x00"))
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a = ObjectId(b("\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B"))
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self.assertEqual(BSON.encode({"oid": a}),
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b("\x16\x00\x00\x00\x07\x6F\x69\x64\x00\x00\x01\x02"
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"\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x00"))
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self.assertEqual(BSON.encode({"ref": DBRef("coll", a)}),
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b("\x2F\x00\x00\x00\x03ref\x00\x25\x00\x00\x00\x02"
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"$ref\x00\x05\x00\x00\x00coll\x00\x07$id\x00\x00"
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"\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x00"
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"\x00"))
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def test_encode_then_decode(self):
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def helper(dict):
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self.assertEqual(dict, (BSON.encode(dict)).decode())
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helper({})
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helper({"test": u"hello"})
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self.assertTrue(isinstance(BSON.encode({"hello": "world"})
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.decode()["hello"],
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unicode))
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helper({"mike": -10120})
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helper({"long": long(10)})
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helper({"really big long": 2147483648})
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helper({u"hello": 0.0013109})
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helper({"something": True})
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helper({"false": False})
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helper({"an array": [1, True, 3.8, u"world"]})
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helper({"an object": {"test": u"something"}})
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helper({"a binary": Binary(b("test"), 100)})
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helper({"a binary": Binary(b("test"), 128)})
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helper({"a binary": Binary(b("test"), 254)})
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helper({"another binary": Binary(b("test"), 2)})
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helper(SON([(u'test dst', datetime.datetime(1993, 4, 4, 2))]))
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helper(SON([(u'test negative dst', datetime.datetime(1, 1, 1, 1, 1, 1))]))
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helper({"big float": float(10000000000)})
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helper({"ref": DBRef("coll", 5)})
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helper({"ref": DBRef("coll", 5, foo="bar", bar=4)})
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helper({"ref": DBRef("coll", 5, "foo")})
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helper({"ref": DBRef("coll", 5, "foo", foo="bar")})
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helper({"ref": Timestamp(1, 2)})
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helper({"foo": MinKey()})
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helper({"foo": MaxKey()})
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helper({"$field": Code("function(){ return true; }")})
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helper({"$field": Code("return function(){ return x; }", scope={'x': False})})
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doc_class = dict
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# Work around http://bugs.jython.org/issue1728
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if (sys.platform.startswith('java') and
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sys.version_info[:3] >= (2, 5, 2)):
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doc_class = SON
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def encode_then_decode(doc):
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return doc == (BSON.encode(doc)).decode(as_class=doc_class)
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qcheck.check_unittest(self, encode_then_decode,
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qcheck.gen_mongo_dict(3))
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def test_bytes_as_keys(self):
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doc = {b("foo"): 'bar'}
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# Since `bytes` are stored as Binary you can't use them
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# as keys in python 3.x. Using binary data as a key makes
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# no sense in BSON anyway and little sense in python.
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if PY3:
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self.assertRaises(InvalidDocument, BSON.encode, doc)
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else:
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self.assertTrue(BSON.encode(doc))
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def test_datetime_encode_decode(self):
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# Negative timestamps
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dt1 = datetime.datetime(1, 1, 1, 1, 1, 1, 111000)
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dt2 = BSON.encode({"date": dt1}).decode()["date"]
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self.assertEqual(dt1, dt2)
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dt1 = datetime.datetime(1959, 6, 25, 12, 16, 59, 999000)
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dt2 = BSON.encode({"date": dt1}).decode()["date"]
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self.assertEqual(dt1, dt2)
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# Positive timestamps
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dt1 = datetime.datetime(9999, 12, 31, 23, 59, 59, 999000)
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dt2 = BSON.encode({"date": dt1}).decode()["date"]
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self.assertEqual(dt1, dt2)
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dt1 = datetime.datetime(2011, 6, 14, 10, 47, 53, 444000)
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dt2 = BSON.encode({"date": dt1}).decode()["date"]
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self.assertEqual(dt1, dt2)
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def test_aware_datetime(self):
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aware = datetime.datetime(1993, 4, 4, 2,
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tzinfo=FixedOffset(555, "SomeZone"))
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as_utc = (aware - aware.utcoffset()).replace(tzinfo=utc)
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self.assertEqual(datetime.datetime(1993, 4, 3, 16, 45, tzinfo=utc),
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as_utc)
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after = BSON.encode({"date": aware}).decode(tz_aware=True)["date"]
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self.assertEqual(utc, after.tzinfo)
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self.assertEqual(as_utc, after)
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def test_naive_decode(self):
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aware = datetime.datetime(1993, 4, 4, 2,
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tzinfo=FixedOffset(555, "SomeZone"))
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naive_utc = (aware - aware.utcoffset()).replace(tzinfo=None)
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self.assertEqual(datetime.datetime(1993, 4, 3, 16, 45), naive_utc)
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after = BSON.encode({"date": aware}).decode()["date"]
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self.assertEqual(None, after.tzinfo)
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self.assertEqual(naive_utc, after)
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def test_dst(self):
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d = {"x": datetime.datetime(1993, 4, 4, 2)}
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self.assertEqual(d, BSON.encode(d).decode())
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def test_bad_encode(self):
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if not PY3:
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# Python3 treats this as a unicode string which won't raise
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# an exception. If we passed the string as bytes instead we
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# still wouldn't get an error since we store bytes as BSON
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# binary subtype 0.
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self.assertRaises(InvalidStringData, BSON.encode,
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{"lalala": '\xf4\xe0\xf0\xe1\xc0 Color Touch'})
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evil_list = {'a': []}
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evil_list['a'].append(evil_list)
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evil_dict = {}
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evil_dict['a'] = evil_dict
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for evil_data in [evil_dict, evil_list]:
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self.assertRaises(RuntimeError, BSON.encode, evil_data)
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def test_overflow(self):
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self.assertTrue(BSON.encode({"x": 9223372036854775807L}))
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self.assertRaises(OverflowError, BSON.encode,
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{"x": 9223372036854775808L})
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self.assertTrue(BSON.encode({"x": -9223372036854775808L}))
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self.assertRaises(OverflowError, BSON.encode,
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{"x": -9223372036854775809L})
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def test_small_long_encode_decode(self):
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if PY3:
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raise SkipTest("No long type in Python 3.")
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encoded1 = BSON.encode({'x': 256})
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decoded1 = BSON.decode(encoded1)['x']
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self.assertEqual(256, decoded1)
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self.assertEqual(type(256), type(decoded1))
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encoded2 = BSON.encode({'x': 256L})
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decoded2 = BSON.decode(encoded2)['x']
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self.assertEqual(256L, decoded2)
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self.assertEqual(type(256L), type(decoded2))
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self.assertNotEqual(type(decoded1), type(decoded2))
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def test_tuple(self):
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self.assertEqual({"tuple": [1, 2]},
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BSON.encode({"tuple": (1, 2)}).decode())
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def test_uuid(self):
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if not should_test_uuid:
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raise SkipTest("No uuid module")
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id = uuid.uuid4()
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transformed_id = (BSON.encode({"id": id})).decode()["id"]
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self.assertTrue(isinstance(transformed_id, uuid.UUID))
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self.assertEqual(id, transformed_id)
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self.assertNotEqual(uuid.uuid4(), transformed_id)
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def test_uuid_legacy(self):
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if not should_test_uuid:
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raise SkipTest("No uuid module")
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id = uuid.uuid4()
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legacy = UUIDLegacy(id)
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self.assertEqual(3, legacy.subtype)
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transformed = (BSON.encode({"uuid": legacy})).decode()["uuid"]
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self.assertTrue(isinstance(transformed, uuid.UUID))
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self.assertEqual(id, transformed)
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self.assertNotEqual(UUIDLegacy(uuid.uuid4()), UUIDLegacy(transformed))
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# The C extension was segfaulting on unicode RegExs, so we have this test
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# that doesn't really test anything but the lack of a segfault.
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def test_unicode_regex(self):
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regex = re.compile(u'revisi\xf3n')
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BSON.encode({"regex": regex}).decode()
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def test_non_string_keys(self):
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self.assertRaises(InvalidDocument, BSON.encode, {8.9: "test"})
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def test_utf8(self):
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w = {u"aéあ": u"aéあ"}
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self.assertEqual(w, BSON.encode(w).decode())
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iso8859_bytes = u"aé".encode("iso-8859-1")
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y = {"hello": iso8859_bytes}
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if PY3:
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# Stored as BSON binary subtype 0.
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out = BSON.encode(y).decode()
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self.assertTrue(isinstance(out['hello'], bytes))
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self.assertEqual(out['hello'], iso8859_bytes)
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else:
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# Python 2.
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try:
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BSON.encode(y)
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except InvalidStringData, e:
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self.assertTrue(repr(iso8859_bytes) in str(e))
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# The next two tests only make sense in python 2.x since
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# you can't use `bytes` type as document keys in python 3.x.
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x = {u"aéあ".encode("utf-8"): u"aéあ".encode("utf-8")}
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self.assertEqual(w, BSON.encode(x).decode())
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z = {iso8859_bytes: "hello"}
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self.assertRaises(InvalidStringData, BSON.encode, z)
|
|
|
|
def test_null_character(self):
|
|
doc = {"a": "\x00"}
|
|
self.assertEqual(doc, BSON.encode(doc).decode())
|
|
|
|
# This test doesn't make much sense in Python2
|
|
# since {'a': '\x00'} == {'a': u'\x00'}.
|
|
# Decoding here actually returns {'a': '\x00'}
|
|
doc = {"a": u"\x00"}
|
|
self.assertEqual(doc, BSON.encode(doc).decode())
|
|
|
|
self.assertRaises(InvalidDocument, BSON.encode, {b("\x00"): "a"})
|
|
self.assertRaises(InvalidDocument, BSON.encode, {u"\x00": "a"})
|
|
|
|
self.assertRaises(InvalidDocument, BSON.encode,
|
|
{"a": re.compile(b("ab\x00c"))})
|
|
self.assertRaises(InvalidDocument, BSON.encode,
|
|
{"a": re.compile(u"ab\x00c")})
|
|
|
|
def test_move_id(self):
|
|
self.assertEqual(b("\x19\x00\x00\x00\x02_id\x00\x02\x00\x00\x00a\x00"
|
|
"\x02a\x00\x02\x00\x00\x00a\x00\x00"),
|
|
BSON.encode(SON([("a", "a"), ("_id", "a")])))
|
|
|
|
self.assertEqual(b("\x2c\x00\x00\x00"
|
|
"\x02_id\x00\x02\x00\x00\x00b\x00"
|
|
"\x03b\x00"
|
|
"\x19\x00\x00\x00\x02a\x00\x02\x00\x00\x00a\x00"
|
|
"\x02_id\x00\x02\x00\x00\x00a\x00\x00\x00"),
|
|
BSON.encode(SON([("b",
|
|
SON([("a", "a"), ("_id", "a")])),
|
|
("_id", "b")])))
|
|
|
|
def test_dates(self):
|
|
doc = {"early": datetime.datetime(1686, 5, 5),
|
|
"late": datetime.datetime(2086, 5, 5)}
|
|
try:
|
|
self.assertEqual(doc, BSON.encode(doc).decode())
|
|
except ValueError:
|
|
# Ignore ValueError when no C ext, since it's probably
|
|
# a problem w/ 32-bit Python - we work around this in the
|
|
# C ext, though.
|
|
if bson.has_c():
|
|
raise
|
|
|
|
def test_custom_class(self):
|
|
self.assertTrue(isinstance(BSON.encode({}).decode(), dict))
|
|
self.assertFalse(isinstance(BSON.encode({}).decode(), SON))
|
|
self.assertTrue(isinstance(BSON.encode({}).decode(SON), SON))
|
|
|
|
self.assertEqual(1, BSON.encode({"x": 1}).decode(SON)["x"])
|
|
|
|
x = BSON.encode({"x": [{"y": 1}]})
|
|
self.assertTrue(isinstance(x.decode(SON)["x"][0], SON))
|
|
|
|
def test_subclasses(self):
|
|
# make sure we can serialize subclasses of native Python types.
|
|
class _myint(int):
|
|
pass
|
|
|
|
class _myfloat(float):
|
|
pass
|
|
|
|
class _myunicode(unicode):
|
|
pass
|
|
|
|
d = {'a': _myint(42), 'b': _myfloat(63.9),
|
|
'c': _myunicode('hello world')
|
|
}
|
|
d2 = BSON.encode(d).decode()
|
|
for key, value in d2.iteritems():
|
|
orig_value = d[key]
|
|
orig_type = orig_value.__class__.__bases__[0]
|
|
self.assertEqual(type(value), orig_type)
|
|
self.assertEqual(value, orig_type(value))
|
|
|
|
def test_ordered_dict(self):
|
|
try:
|
|
from collections import OrderedDict
|
|
except ImportError:
|
|
raise SkipTest("No OrderedDict")
|
|
d = OrderedDict([("one", 1), ("two", 2), ("three", 3), ("four", 4)])
|
|
self.assertEqual(d, BSON.encode(d).decode(as_class=OrderedDict))
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|