61 lines
1.5 KiB
Python
61 lines
1.5 KiB
Python
import pickle
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import unittest
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from mongoengine import Document, IntField, StringField
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from mongoengine.connection import connect
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class Person(Document):
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name = StringField()
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age = IntField()
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class TestQuerysetPickable(unittest.TestCase):
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"""
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Test for adding pickling support for QuerySet instances
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See issue https://github.com/MongoEngine/mongoengine/issues/442
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"""
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def setUp(self):
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super(TestQuerysetPickable, self).setUp()
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connection = connect(db="test")
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connection.drop_database("test")
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self.john = Person.objects.create(name="John", age=21)
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def test_picke_simple_qs(self):
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qs = Person.objects.all()
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pickle.dumps(qs)
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def _get_loaded(self, qs):
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s = pickle.dumps(qs)
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return pickle.loads(s)
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def test_unpickle(self):
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qs = Person.objects.all()
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loadedQs = self._get_loaded(qs)
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self.assertEqual(qs.count(), loadedQs.count())
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# can update loadedQs
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loadedQs.update(age=23)
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# check
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self.assertEqual(Person.objects.first().age, 23)
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def test_pickle_support_filtration(self):
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Person.objects.create(name="Alice", age=22)
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Person.objects.create(name="Bob", age=23)
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qs = Person.objects.filter(age__gte=22)
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self.assertEqual(qs.count(), 2)
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loaded = self._get_loaded(qs)
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self.assertEqual(loaded.count(), 2)
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self.assertEqual(loaded.filter(name="Bob").first().age, 23)
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