55 lines
1.3 KiB
Python
55 lines
1.3 KiB
Python
import pickle
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from mongoengine import Document, IntField, StringField
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from tests.utils import MongoDBTestCase
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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(MongoDBTestCase):
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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().setUp()
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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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assert 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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assert 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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assert qs.count() == 2
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loaded = self._get_loaded(qs)
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assert loaded.count() == 2
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assert loaded.filter(name="Bob").first().age == 23
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