#30751: Old bug: IntegrityError with TransactionTestCase and
serialized_rollback=True
-------------------------------------+-------------------------------------
Reporter: raywtham | Owner: nobody
Type: Bug | Status: new
Component: Testing | Version: 2.2
framework | Keywords:
Severity: Normal | APITransactionTestCase
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-------------------------------------+-------------------------------------
I experienced the same issue in #23727 (which is marked as fixed)
{{{
Traceback (most recent call last):
File "/usr/local/lib/python3.6/site-
packages/django/db/backends/utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
psycopg2.errors.UniqueViolation: duplicate key value violates unique
constraint "django_content_type_app_label_model_76bd3d3b_uniq"
DETAIL: Key (app_label, model)=(admin, logentry) already exists.
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/usr/local/lib/python3.6/site-packages/django/test/testcases.py",
line 267, in __call__
self._pre_setup()
File "/usr/local/lib/python3.6/site-packages/django/test/testcases.py",
line 938, in _pre_setup
self._fixture_setup()
File "/usr/local/lib/python3.6/site-packages/django/test/testcases.py",
line 987, in _fixture_setup
connections[db_name]._test_serialized_contents
File "/usr/local/lib/python3.6/site-
packages/django/db/backends/base/creation.py", line 133, in
deserialize_db_from_string
obj.save()
File "/usr/local/lib/python3.6/site-
packages/django/core/serializers/base.py", line 223, in save
models.Model.save_base(self.object, using=using, raw=True, **kwargs)
File "/usr/local/lib/python3.6/site-packages/django/db/models/base.py",
line 779, in save_base
force_update, using, update_fields,
File "/usr/local/lib/python3.6/site-packages/django/db/models/base.py",
line 870, in _save_table
result = self._do_insert(cls._base_manager, using, fields, update_pk,
raw)
File "/usr/local/lib/python3.6/site-packages/django/db/models/base.py",
line 908, in _do_insert
using=using, raw=raw)
File "/usr/local/lib/python3.6/site-
packages/django/db/models/manager.py", line 82, in manager_method
return getattr(self.get_queryset(), name)(*args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/django/db/models/query.py",
line 1186, in _insert
return query.get_compiler(using=using).execute_sql(return_id)
File "/usr/local/lib/python3.6/site-
packages/django/db/models/sql/compiler.py", line 1332, in execute_sql
cursor.execute(sql, params)
File "/usr/local/lib/python3.6/site-
packages/django/db/backends/utils.py", line 67, in execute
return self._execute_with_wrappers(sql, params, many=False,
executor=self._execute)
File "/usr/local/lib/python3.6/site-
packages/django/db/backends/utils.py", line 76, in _execute_with_wrappers
return executor(sql, params, many, context)
File "/usr/local/lib/python3.6/site-
packages/django/db/backends/utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
File "/usr/local/lib/python3.6/site-packages/django/db/utils.py", line
89, in __exit__
raise dj_exc_value.with_traceback(traceback) from exc_value
File "/usr/local/lib/python3.6/site-
packages/django/db/backends/utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
django.db.utils.IntegrityError: duplicate key value violates unique
constraint "django_content_type_app_label_model_76bd3d3b_uniq"
DETAIL: Key (app_label, model)=(admin, logentry) already exists.
}}}
I am currently using this as a workaround:
{{{
TEST_NON_SERIALIZED_APPS = ['django.contrib.contenttypes',
'django.contrib.auth']
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/30751>
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