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https://github.com/Hopiu/django-model-utils.git
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aeeb69a9dd
This allows using the latest annotation syntax supported by the type checker regardless of the runtime Python version.
18 lines
575 B
Python
18 lines
575 B
Python
from __future__ import annotations
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from django.db.models import Prefetch
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from django.test import TestCase
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from tests.models import InheritanceManagerTestChild1, InheritanceManagerTestParent
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class InheritanceIterableTest(TestCase):
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def test_prefetch(self):
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qs = InheritanceManagerTestChild1.objects.all().prefetch_related(
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Prefetch(
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'normal_field',
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queryset=InheritanceManagerTestParent.objects.all(),
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to_attr='normal_field_prefetched'
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)
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)
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self.assertEqual(qs.count(), 0)
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