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20 lines
745 B
Python
20 lines
745 B
Python
from django.db import IntegrityError, transaction
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from django.test import TestCase, skipUnlessDBFeature
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from .models import PossessedCar
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class TestTestCase(TestCase):
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@skipUnlessDBFeature('can_defer_constraint_checks')
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@skipUnlessDBFeature('supports_foreign_keys')
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def test_fixture_teardown_checks_constraints(self):
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rollback_atomics = self._rollback_atomics
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self._rollback_atomics = lambda connection: None # noop
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try:
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car = PossessedCar.objects.create(car_id=1, belongs_to_id=1)
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with self.assertRaises(IntegrityError), transaction.atomic():
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self._fixture_teardown()
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car.delete()
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finally:
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self._rollback_atomics = rollback_atomics
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