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.
196 lines
6.9 KiB
Python
196 lines
6.9 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 son module."""
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import copy
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import pickle
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import re
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import sys
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sys.path[0:0] = [""]
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from bson.py3compat import b
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from bson.son import SON
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from test import SkipTest, unittest
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class TestSON(unittest.TestCase):
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def test_ordered_dict(self):
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a1 = SON()
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a1["hello"] = "world"
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a1["mike"] = "awesome"
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a1["hello_"] = "mike"
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self.assertEqual(list(a1.items()), [("hello", "world"),
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("mike", "awesome"),
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("hello_", "mike")])
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b2 = SON({"hello": "world"})
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self.assertEqual(b2["hello"], "world")
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self.assertRaises(KeyError, lambda: b2["goodbye"])
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def test_equality(self):
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a1 = SON({"hello": "world"})
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b2 = SON((('hello', 'world'), ('mike', 'awesome'), ('hello_', 'mike')))
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self.assertEqual(a1, SON({"hello": "world"}))
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self.assertEqual(b2, SON((('hello', 'world'),
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('mike', 'awesome'),
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('hello_', 'mike'))))
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self.assertEqual(b2, dict((('hello_', 'mike'),
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('mike', 'awesome'),
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('hello', 'world'))))
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self.assertNotEqual(a1, b2)
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self.assertNotEqual(b2, SON((('hello_', 'mike'),
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('mike', 'awesome'),
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('hello', 'world'))))
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# Explicitly test inequality
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self.assertFalse(a1 != SON({"hello": "world"}))
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self.assertFalse(b2 != SON((('hello', 'world'),
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('mike', 'awesome'),
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('hello_', 'mike'))))
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self.assertFalse(b2 != dict((('hello_', 'mike'),
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('mike', 'awesome'),
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('hello', 'world'))))
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# Embedded SON.
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d4 = SON([('blah', {'foo': SON()})])
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self.assertEqual(d4, {'blah': {'foo': {}}})
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self.assertEqual(d4, {'blah': {'foo': SON()}})
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self.assertNotEqual(d4, {'blah': {'foo': []}})
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# Original data unaffected.
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self.assertEqual(SON, d4['blah']['foo'].__class__)
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def test_to_dict(self):
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a1 = SON()
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b2 = SON([("blah", SON())])
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c3 = SON([("blah", [SON()])])
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d4 = SON([("blah", {"foo": SON()})])
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self.assertEqual({}, a1.to_dict())
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self.assertEqual({"blah": {}}, b2.to_dict())
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self.assertEqual({"blah": [{}]}, c3.to_dict())
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self.assertEqual({"blah": {"foo": {}}}, d4.to_dict())
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self.assertEqual(dict, a1.to_dict().__class__)
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self.assertEqual(dict, b2.to_dict()["blah"].__class__)
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self.assertEqual(dict, c3.to_dict()["blah"][0].__class__)
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self.assertEqual(dict, d4.to_dict()["blah"]["foo"].__class__)
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# Original data unaffected.
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self.assertEqual(SON, d4['blah']['foo'].__class__)
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def test_pickle(self):
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simple_son = SON([])
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complex_son = SON([('son', simple_son),
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('list', [simple_son, simple_son])])
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for protocol in range(pickle.HIGHEST_PROTOCOL + 1):
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pickled = pickle.loads(pickle.dumps(complex_son,
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protocol=protocol))
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self.assertEqual(pickled['son'], pickled['list'][0])
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self.assertEqual(pickled['son'], pickled['list'][1])
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def test_pickle_backwards_compatability(self):
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# This string was generated by pickling a SON object in pymongo
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# version 2.1.1
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pickled_with_2_1_1 = b(
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"ccopy_reg\n_reconstructor\np0\n(cbson.son\nSON\np1\n"
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"c__builtin__\ndict\np2\n(dp3\ntp4\nRp5\n(dp6\n"
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"S'_SON__keys'\np7\n(lp8\nsb."
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)
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son_2_1_1 = pickle.loads(pickled_with_2_1_1)
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self.assertEqual(son_2_1_1, SON([]))
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def test_copying(self):
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simple_son = SON([])
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complex_son = SON([('son', simple_son),
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('list', [simple_son, simple_son])])
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regex_son = SON([("x", re.compile("^hello.*"))])
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reflexive_son = SON([('son', simple_son)])
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reflexive_son["reflexive"] = reflexive_son
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simple_son1 = copy.copy(simple_son)
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self.assertEqual(simple_son, simple_son1)
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complex_son1 = copy.copy(complex_son)
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self.assertEqual(complex_son, complex_son1)
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regex_son1 = copy.copy(regex_son)
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self.assertEqual(regex_son, regex_son1)
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reflexive_son1 = copy.copy(reflexive_son)
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self.assertEqual(reflexive_son, reflexive_son1)
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# Test deepcopying
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simple_son1 = copy.deepcopy(simple_son)
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self.assertEqual(simple_son, simple_son1)
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regex_son1 = copy.deepcopy(regex_son)
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self.assertEqual(regex_son, regex_son1)
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complex_son1 = copy.deepcopy(complex_son)
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self.assertEqual(complex_son, complex_son1)
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reflexive_son1 = copy.deepcopy(reflexive_son)
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self.assertEqual(list(reflexive_son), list(reflexive_son1))
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self.assertEqual(id(reflexive_son1), id(reflexive_son1["reflexive"]))
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def test_iteration(self):
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"""
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Test __iter__
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"""
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# test success case
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test_son = SON([(1, 100), (2, 200), (3, 300)])
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for ele in test_son:
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self.assertEqual(ele * 100, test_son[ele])
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def test_contains_has(self):
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"""
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has_key and __contains__
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"""
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test_son = SON([(1, 100), (2, 200), (3, 300)])
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self.assertIn(1, test_son)
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self.assertTrue(2 in test_son, "in failed")
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self.assertFalse(22 in test_son, "in succeeded when it shouldn't")
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self.assertTrue(test_son.has_key(2), "has_key failed")
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self.assertFalse(test_son.has_key(22), "has_key succeeded when it shouldn't")
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def test_clears(self):
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"""
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Test clear()
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"""
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test_son = SON([(1, 100), (2, 200), (3, 300)])
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test_son.clear()
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self.assertNotIn(1, test_son)
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self.assertEqual(0, len(test_son))
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self.assertEqual(0, len(test_son.keys()))
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self.assertEqual({}, test_son.to_dict())
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def test_len(self):
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"""
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Test len
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"""
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test_son = SON()
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self.assertEqual(0, len(test_son))
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test_son = SON([(1, 100), (2, 200), (3, 300)])
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self.assertEqual(3, len(test_son))
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test_son.popitem()
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self.assertEqual(2, len(test_son))
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if __name__ == "__main__":
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unittest.main()
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