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49 lines
1.6 KiB
Python
49 lines
1.6 KiB
Python
from __future__ import absolute_import
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import pickle
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import datetime
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from django.test import TestCase
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from .models import Group, Event, Happening
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class PickleabilityTestCase(TestCase):
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def assert_pickles(self, qs):
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self.assertEqual(list(pickle.loads(pickle.dumps(qs))), list(qs))
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def test_related_field(self):
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g = Group.objects.create(name="Ponies Who Own Maybachs")
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self.assert_pickles(Event.objects.filter(group=g.id))
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def test_datetime_callable_default_all(self):
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self.assert_pickles(Happening.objects.all())
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def test_datetime_callable_default_filter(self):
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self.assert_pickles(Happening.objects.filter(when=datetime.datetime.now()))
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def test_lambda_as_default(self):
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self.assert_pickles(Happening.objects.filter(name="test"))
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def test_standalone_method_as_default(self):
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self.assert_pickles(Happening.objects.filter(number1=1))
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def test_staticmethod_as_default(self):
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self.assert_pickles(Happening.objects.filter(number2=1))
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def test_classmethod_as_default(self):
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self.assert_pickles(Happening.objects.filter(number3=1))
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def test_membermethod_as_default(self):
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self.assert_pickles(Happening.objects.filter(number4=1))
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def test_doesnotexist_exception(self):
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# Ticket #17776
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original = Event.DoesNotExist("Doesn't exist")
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unpickled = pickle.loads(pickle.dumps(original))
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# Exceptions are not equal to equivalent instances of themselves, so
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# can't just use assertEqual(original, unpickled)
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self.assertEqual(original.__class__, unpickled.__class__)
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self.assertEqual(original.args, unpickled.args)
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