201 lines
7.2 KiB
Python
201 lines
7.2 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 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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# For a full discussion see http://bugs.python.org/issue6137
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if sys.version.startswith('3.0'):
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raise SkipTest("Python 3.0.x can't unpickle "
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"objects pickled in Python 2.x.")
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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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