53a7bea492
This change removes the u() helper from bson.py3compat and all of its uses in the driver and tests. PyPy3 continues to be supported since, even though it is based on python 3.2.5, it has always supported the u string prefix. The README and install docs are now explicit about PyPy(3) support.
139 lines
5.2 KiB
Python
139 lines
5.2 KiB
Python
# Copyright 2009-2015 MongoDB, 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 pickle
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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 test import unittest
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from copy import deepcopy
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class TestDBRef(unittest.TestCase):
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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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def test_equality(self):
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obj_id = ObjectId("1234567890abcdef12345678")
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self.assertEqual(DBRef('foo', 5), DBRef('foo', 5))
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self.assertEqual(DBRef("coll", obj_id), DBRef(u"coll", obj_id))
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self.assertNotEqual(DBRef("coll", obj_id),
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DBRef(u"coll", obj_id, "foo"))
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self.assertNotEqual(DBRef("coll", obj_id), DBRef("col", obj_id))
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self.assertNotEqual(DBRef("coll", obj_id),
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DBRef("coll", ObjectId(b"123456789011")))
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self.assertNotEqual(DBRef("coll", obj_id), 4)
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self.assertEqual(DBRef("coll", obj_id, "foo"),
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DBRef(u"coll", obj_id, "foo"))
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self.assertNotEqual(DBRef("coll", obj_id, "foo"),
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DBRef(u"coll", obj_id, "bar"))
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# Explicitly test inequality
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self.assertFalse(DBRef('foo', 5) != DBRef('foo', 5))
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self.assertFalse(DBRef("coll", obj_id) != DBRef(u"coll", obj_id))
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self.assertFalse(DBRef("coll", obj_id, "foo") !=
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DBRef(u"coll", obj_id, "foo"))
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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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