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Fix flaky CT tests #567

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Merged
amureki merged 1 commit into from
Jan 18, 2026
Merged

Fix flaky CT tests #567

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13 changes: 13 additions & 0 deletions tests/test_filling_fields.py
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Original file line number Diff line number Diff line change
Expand Up @@ -320,6 +320,19 @@ def test_filling_IPAddressField(self):
not BAKER_CONTENTTYPES, reason="Django contenttypes framework is not installed"
)
class TestFillingGenericForeignKeyField:
@pytest.fixture(autouse=True)
def clear_content_type_cache(self):
"""Clear ContentType cache to avoid stale entries from rolled-back transactions.

pytest-django doesn't clear the ContentType cache between tests (unlike Site cache).
This can cause FK violations on PostgreSQL when a cached ContentType references
a pk that was created in a rolled-back transaction.
See: https://github.com/pytest-dev/pytest-django/issues/1156
"""
from django.contrib.contenttypes.models import ContentType

ContentType.objects.clear_cache()

@pytest.mark.django_db
def test_content_type_field(self):
from django.contrib.contenttypes.models import ContentType
Expand Down