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django/tests/model_regress/test_state.py

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Fixed #33984 -- Reverted "Fixed #32980 -- Made models cache related managers." This reverts 4f8c7fd9d91b35e2c2922de4bb50c8c8066cbbc6 and adds two regression tests: - test_related_manager_refresh(), and - test_create_copy_with_m2m(). Thanks joeli for the report.
2022-10-01 00:18:33 +08:00
from django.db.models.base import ModelState, ModelStateFieldsCacheDescriptor
Refs #28459 -- Optimized ModelState instantiation.
2017-08-04 14:20:15 +08:00
from django.test import SimpleTestCase
class ModelStateTests(SimpleTestCase):
def test_fields_cache_descriptor(self):
Fixed #33984 -- Reverted "Fixed #32980 -- Made models cache related managers." This reverts 4f8c7fd9d91b35e2c2922de4bb50c8c8066cbbc6 and adds two regression tests: - test_related_manager_refresh(), and - test_create_copy_with_m2m(). Thanks joeli for the report.
2022-10-01 00:18:33 +08:00
self.assertIsInstance(ModelState.fields_cache, ModelStateFieldsCacheDescriptor)