153 lines
5.9 KiB
Python
153 lines
5.9 KiB
Python
# 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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"""Tests for the dbref module."""
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import os
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import pickle
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import unittest
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import sys
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sys.path[0:0] = [""]
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from bson.dbref import DBRef
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from bson.objectid import ObjectId
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from bson.py3compat import b
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from copy import deepcopy
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class TestDBRef(unittest.TestCase):
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def setUp(self):
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pass
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def test_creation(self):
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a = ObjectId()
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self.assertRaises(TypeError, DBRef)
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self.assertRaises(TypeError, DBRef, "coll")
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self.assertRaises(TypeError, DBRef, 4, a)
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self.assertRaises(TypeError, DBRef, 1.5, a)
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self.assertRaises(TypeError, DBRef, a, a)
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self.assertRaises(TypeError, DBRef, None, a)
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self.assertRaises(TypeError, DBRef, "coll", a, 5)
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self.assertTrue(DBRef("coll", a))
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self.assertTrue(DBRef(u"coll", a))
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self.assertTrue(DBRef(u"coll", 5))
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self.assertTrue(DBRef(u"coll", 5, "database"))
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def test_read_only(self):
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a = DBRef("coll", ObjectId())
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def foo():
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a.collection = "blah"
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def bar():
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a.id = "aoeu"
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self.assertEqual("coll", a.collection)
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a.id
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self.assertEqual(None, a.database)
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self.assertRaises(AttributeError, foo)
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self.assertRaises(AttributeError, bar)
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def test_repr(self):
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self.assertEqual(repr(DBRef("coll",
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ObjectId("1234567890abcdef12345678"))),
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"DBRef('coll', ObjectId('1234567890abcdef12345678'))")
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self.assertEqual(repr(DBRef(u"coll",
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ObjectId("1234567890abcdef12345678"))),
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"DBRef(%s, ObjectId('1234567890abcdef12345678'))"
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% (repr(u'coll'),)
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)
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self.assertEqual(repr(DBRef("coll", 5, foo="bar")),
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"DBRef('coll', 5, foo='bar')")
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self.assertEqual(repr(DBRef("coll",
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ObjectId("1234567890abcdef12345678"), "foo")),
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"DBRef('coll', ObjectId('1234567890abcdef12345678'), "
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"'foo')")
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# This assert will fail in Python 3.3+ unless
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# hash randomization is disabled.
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if (sys.version_info < (3, 3) or
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os.environ.get('PYTHONHASHSEED') == '0'):
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self.assertEqual(repr(DBRef("coll", 5, "baz", foo="bar", baz=4)),
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"DBRef('coll', 5, 'baz', foo='bar', baz=4)")
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def test_cmp(self):
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self.assertEqual(DBRef("coll", ObjectId("1234567890abcdef12345678")),
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DBRef(u"coll", ObjectId("1234567890abcdef12345678")))
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self.assertNotEqual(DBRef("coll",
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ObjectId("1234567890abcdef12345678")),
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DBRef(u"coll",
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ObjectId("1234567890abcdef12345678"), "foo"))
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self.assertNotEqual(DBRef("coll",
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ObjectId("1234567890abcdef12345678")),
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DBRef("col", ObjectId("1234567890abcdef12345678")))
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self.assertNotEqual(DBRef("coll",
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ObjectId("1234567890abcdef12345678")),
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DBRef("coll", ObjectId(b("123456789011"))))
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self.assertNotEqual(DBRef("coll",
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ObjectId("1234567890abcdef12345678")), 4)
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self.assertEqual(DBRef("coll",
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ObjectId("1234567890abcdef12345678"), "foo"),
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DBRef(u"coll",
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ObjectId("1234567890abcdef12345678"), "foo"))
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self.assertNotEqual(DBRef("coll",
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ObjectId("1234567890abcdef12345678"), "foo"),
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DBRef(u"coll",
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ObjectId("1234567890abcdef12345678"), "bar"))
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def test_kwargs(self):
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self.assertEqual(DBRef("coll", 5, foo="bar"),
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DBRef("coll", 5, foo="bar"))
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self.assertNotEqual(DBRef("coll", 5, foo="bar"), DBRef("coll", 5))
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self.assertNotEqual(DBRef("coll", 5, foo="bar"),
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DBRef("coll", 5, foo="baz"))
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self.assertEqual("bar", DBRef("coll", 5, foo="bar").foo)
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self.assertRaises(AttributeError, getattr,
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DBRef("coll", 5, foo="bar"), "bar")
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def test_deepcopy(self):
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a = DBRef('coll', 'asdf', 'db', x=[1])
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b = deepcopy(a)
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self.assertEqual(a, b)
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self.assertNotEqual(id(a), id(b.x))
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self.assertEqual(a.x, b.x)
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self.assertNotEqual(id(a.x), id(b.x))
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b.x[0] = 2
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self.assertEqual(a.x, [1])
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self.assertEqual(b.x, [2])
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def test_pickling(self):
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dbr = DBRef('coll', 5, foo='bar')
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for protocol in [0, 1, 2, -1]:
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pkl = pickle.dumps(dbr, protocol=protocol)
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dbr2 = pickle.loads(pkl)
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self.assertEqual(dbr, dbr2)
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def test_dbref_hash(self):
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dbref_1a = DBRef('collection', 'id', 'database')
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dbref_1b = DBRef('collection', 'id', 'database')
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self.assertEqual(hash(dbref_1a), hash(dbref_1b))
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dbref_2a = DBRef('collection', 'id', 'database', custom='custom')
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dbref_2b = DBRef('collection', 'id', 'database', custom='custom')
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self.assertEqual(hash(dbref_2a), hash(dbref_2b))
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self.assertNotEqual(hash(dbref_1a), hash(dbref_2a))
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if __name__ == "__main__":
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unittest.main()
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