mirrors/django
1
0
Fork 0
mirror of https://github.com/django/django.git synced 2025-03-24 16:20:46 +00:00
Code Issues 32 Releases Wiki Activity
django/tests
History
Daniyal f479df7f8d Refs #32508 -- Raised Type/ValueError instead of using "assert" in django.db.models. 
Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>
2021-07-15 11:43:33 +02:00
..
absolute_url_overrides
…
admin_autodiscover
…
admin_changelist
Refs #24121 -- Added __repr__() to ChangeList and BaseStorage.
2021-06-07 06:31:50 +02:00
admin_checks
Corrected messages of admin checks for invalid model field names.
2021-03-04 08:41:28 +01:00
admin_custom_urls
Fixed #32771 -- Used IS_POPUP_VAR constant instead of hard-coded value.
2021-05-20 07:04:26 +02:00
admin_default_site
Refs #24121 -- Added __repr__() to AdminSite, DefaultAdminSite, and ModelAdmin.
2021-07-05 08:15:58 +02:00
admin_docs
Fixed CVE-2021-33203 -- Fixed potential path-traversal via admindocs' TemplateDetailView.
2021-06-02 10:58:39 +02:00
admin_filters
Refs #31369 -- Removed models.NullBooleanField per deprecation timeline.
2021-01-14 17:50:04 +01:00
admin_inlines
Fixed typos in test comments.
2021-06-07 20:54:28 +02:00
admin_ordering
Fixed #32003 -- Added obj argument to has_perm() methods in tests.
2020-09-14 12:28:17 +02:00
admin_registration
Refs #32273 -- Completed test coverage for AdminSite.unregister().
2020-12-17 08:27:56 +01:00
admin_scripts
Refs #32379 -- Added USE_TZ settings to AdminScriptTestCase.write_settings().
2021-05-25 13:22:40 +02:00
admin_utils
Refs #31369 -- Removed models.NullBooleanField per deprecation timeline.
2021-01-14 17:50:04 +01:00
admin_views
Fixed #32905 -- Added CSS class for non-form errors of formsets.
2021-07-15 07:00:39 +02:00
admin_widgets
Fixed capitalization of "ECMAScript" and "JavaScript".
2021-04-29 20:29:08 +02:00
aggregation
Refs #26430 -- Re-introduced empty aggregation optimization.
2021-07-02 07:25:42 +02:00
aggregation_regress
Fixed #32690 -- Fixed __in lookup crash when combining with filtered aggregates.
2021-05-05 11:41:35 +02:00
annotations
Used more specific unittest assertions in tests.
2021-07-07 10:51:38 +02:00
app_loading
…
apps
Fixed #32285 -- Raised ImproperlyConfigured when AppConfig.label is not a valid Python identifier.
2020-12-22 13:26:30 +01:00
asgi
Fixed #32889 -- Allowed per-request sync_to_async context in ASGIHandler .
2021-07-01 12:13:19 +02:00
async
…
auth_tests
Used more specific unittest assertions in tests.
2021-07-07 10:51:38 +02:00
backends
Used more specific unittest assertions in tests.
2021-07-07 10:51:38 +02:00
base
…
bash_completion
Reverted "Refs #23919 -- Removed obsolete __init__.py files in management command directories."
2020-06-01 10:55:41 +02:00
basic
Fixed #24141 -- Added QuerySet.contains().
2021-03-06 20:40:29 +01:00
builtin_server
Refs #29069 -- Added test for calling request_finished signal by static file responses.
2020-04-20 06:17:57 +02:00
bulk_create
Refs #32508 -- Raised Type/ValueError instead of using "assert" in django.db.models.
2021-07-15 11:43:33 +02:00
cache
Fixed #32772 -- Made database cache count size once per set.
2021-05-26 11:21:11 +02:00
check_framework
Fixed #32863 -- Skipped system check for specifying type of auto-created primary keys on models with invalid app_label.
2021-06-22 20:47:15 +02:00
conditional_processing
Fixed #31789 -- Added a new headers interface to HttpResponse.
2020-09-14 08:41:59 +02:00
constraints
Fixed #30916 -- Added support for functional unique constraints.
2021-02-23 20:19:53 +01:00
contenttypes_tests
Fixed #31789 -- Added a new headers interface to HttpResponse.
2020-09-14 08:41:59 +02:00
context_processors
…
csrf_tests
Refs #32885 -- Used _read_csrf_cookie()/_set_csrf_cookie() in more CSRF tests.
2021-06-30 07:48:15 +02:00
custom_columns
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
custom_lookups
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
custom_managers
Removed unused __str__() methods in tests models.
2020-04-30 09:13:23 +02:00
custom_methods
…
custom_migration_operations
…
custom_pk
Fixed #32442 -- Used converters on returning fields from INSERT statements.
2021-04-07 17:10:00 +02:00
datatypes
Refs #31369 -- Removed models.NullBooleanField per deprecation timeline.
2021-01-14 17:50:04 +01:00
dates
Refs #32508 -- Raised Type/ValueError instead of using "assert" in django.db.models.
2021-07-15 11:43:33 +02:00
datetimes
Refs #32508 -- Raised Type/ValueError instead of using "assert" in django.db.models.
2021-07-15 11:43:33 +02:00
db_functions
Refs #32508 -- Raised Type/ValueError instead of using "assert" in django.db.models.
2021-07-15 11:43:33 +02:00
db_typecasts
…
db_utils
Fixed #32233 -- Cleaned-up duplicate connection functionality.
2020-12-08 08:55:44 +01:00
dbshell
Fixed #32732 -- Removed usage of deprecated 'db' and 'passwd' connection options in MySQL backend.
2021-05-12 12:21:57 +02:00
decorators
Refs #32468 -- Added error message on invalid usage of cache decorators.
2021-02-24 10:13:51 +01:00
defer
Fixed #30427, Fixed #16176 -- Corrected setting descriptor in Field.contribute_to_class().
2021-06-15 12:01:28 +02:00
defer_regress
Removed hardcoded pk in defer_regress test.
2020-11-04 06:41:47 +01:00
delete
Refs #32508 -- Raised Type/ValueError instead of using "assert" in django.db.models.
2021-07-15 11:43:33 +02:00
delete_regress
Refs #32682 -- Fixed QuerySet.delete() crash on querysets with self-referential subqueries on MySQL.
2021-04-27 10:34:47 +02:00
deprecation
Refs #24121 -- Added __repr__() to MiddlewareMixin and subclasses.
2021-03-10 21:16:58 +01:00
dispatch
Refs #32508 -- Raised ImproperlyConfigured/TypeError instead of using "assert" in various code.
2021-06-25 06:55:47 +02:00
distinct_on_fields
Refs #32508 -- Raised Type/ValueError instead of using "assert" in django.db.models.
2021-07-15 11:43:33 +02:00
empty
…
empty_models
Added assertions for an empty stdout to CoreCommandsNoOutputTests.
2020-04-20 11:32:03 +02:00
expressions
Fixed #32793 -- Fixed loss of precision for temporal operations with DecimalFields on MySQL.
2021-06-01 15:11:42 +02:00
expressions_case
Refs #31369 -- Removed models.NullBooleanField per deprecation timeline.
2021-01-14 17:50:04 +01:00
expressions_window
Fixed #32178 -- Allowed database backends to skip tests and mark expected failures.
2020-12-10 18:00:57 +01:00
extra_regress
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
field_deconstruction
Fixed #32676 -- Prevented migrations from rendering related field attributes when not passed during initialization.
2021-05-28 20:25:59 +02:00
field_defaults
…
field_subclassing
Fixed #30657 -- Allowed customizing Field's descriptors with a descriptor_class attribute.
2019-07-25 08:15:20 +02:00
file_storage
Fixed #28154 -- Prevented infinite loop in FileSystemStorage.save() when a broken symlink with the same name exists.
2021-06-02 12:20:22 +02:00
file_uploads
Fixed isolation of test_filename_traversal_upload().
2021-07-05 12:05:13 +02:00
files
Skipped GetImageDimensionsTests.test_webp when WEBP is not installed.
2020-10-06 11:25:04 +02:00
filtered_relation
Fixed #29789 -- Added support for nested relations to FilteredRelation.
2020-07-09 20:24:00 +02:00
fixtures
Fixed #32291 -- Added fixtures compression support to dumpdata.
2021-01-12 15:47:58 +01:00
fixtures_model_package
Fixed fixtures loading isolation in tests.
2020-05-15 09:14:05 +02:00
fixtures_regress
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
flatpages_tests
…
force_insert_update
…
foreign_object
Fixed #32366 -- Updated datetime module usage to recommended approach.
2021-05-12 11:08:41 +02:00
forms_tests
Fixed #32920 -- Changed BaseForm to access its values through bound fields.
2021-07-15 10:47:02 +02:00
from_db_value
Removed unused __str__() methods in tests models.
2020-04-15 20:20:32 +02:00
generic_inline_admin
Fixed #32003 -- Added obj argument to has_perm() methods in tests.
2020-09-14 12:28:17 +02:00
generic_relations
Refs #32045 -- Added tests for GenericRelatedObjectManager.clear()/remove().
2020-11-06 11:31:21 +01:00
generic_relations_regress
Fixed isolation of GenericRelationTests.test_filter_targets_related_pk().
2021-07-08 13:13:40 +02:00
generic_views
Fixed #21936 -- Allowed DeleteView to work with custom Forms and SuccessMessageMixin.
2021-07-14 09:47:03 +02:00
get_earliest_or_latest
Refs #32508 -- Raised TypeError instead of using "assert" on unsupported operations for sliced querysets.
2021-03-10 09:16:28 +01:00
get_object_or_404
Removed unused __str__() methods in tests models.
2020-04-15 20:20:32 +02:00
get_or_create
Removed unused __str__() methods in tests models.
2020-04-30 09:13:23 +02:00
gis_tests
Fixed #32721 -- Fixed migrations crash when adding namespaced spatial indexes on PostGIS.
2021-05-14 07:10:28 +02:00
handlers
Refs CVE-2021-23336 -- Updated tests and release notes for affected versions.
2021-02-19 09:03:06 +01:00
httpwrappers
Refs #24121 -- Added __repr__() to StreamingHttpResponse and subclasses.
2021-06-22 21:28:48 +02:00
humanize_tests
…
i18n
Refs #32144 -- Made makemessages remove temporary files on preprocessing error.
2021-07-01 10:11:10 +02:00
import_error_package
…
indexes
Refs #26167 -- Added @skipUnlessDBFeature('supports_expression_indexes') to a test.
2021-03-08 20:12:26 +01:00
inline_formsets
Refs #23919 -- Replaced super(ClassName, self) with super().
2017-01-25 12:23:46 -05:00
inspectdb
Fixed #32357 -- Dropped support for PostgreSQL 9.6 and PostGIS 2.3.
2021-01-19 12:25:20 +01:00
introspection
Fixed #32453 -- Added introspection of unique constraint field ordering on SQLite.
2021-02-17 10:59:17 +01:00
invalid_models_tests
Refs #32508 -- Raised Type/ValueError instead of using "assert" in django.db.models.
2021-07-15 11:43:33 +02:00
known_related_objects
…
logging_tests
Refs #32355 -- Used addClassCleanup() in tests.
2021-06-04 12:53:11 +02:00
lookup
Fixed #27021 -- Allowed lookup expressions in annotations, aggregations, and QuerySet.filter().
2021-07-09 11:43:06 +02:00
m2m_and_m2o
…
m2m_intermediary
Removed unused __str__() methods in tests models.
2020-04-30 09:13:23 +02:00
m2m_multiple
…
m2m_recursive
…
m2m_regress
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
m2m_signals
Removed unused __str__() methods in tests models.
2020-04-30 09:13:23 +02:00
m2m_through
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
m2m_through_regress
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
m2o_recursive
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
mail
Refs #32355 -- Used addClassCleanup() in tests.
2021-06-04 12:53:11 +02:00
managers_regress
Fixed #32355 -- Dropped support for Python 3.6 and 3.7
2021-02-10 10:20:54 +01:00
many_to_many
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
many_to_one
Fixed #32332 -- Fixed loss of parent with non-numeric pk when saving child after parent.
2021-02-04 06:06:00 +01:00
many_to_one_null
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
max_lengths
…
messages_tests
Fixed #21936 -- Allowed DeleteView to work with custom Forms and SuccessMessageMixin.
2021-07-14 09:47:03 +02:00
middleware
Fixed #32678 -- Removed SECURE_BROWSER_XSS_FILTER setting.
2021-04-30 12:32:52 +02:00
middleware_exceptions
Fixed #32614 -- Fixed MiddlewareSyncAsyncTests tests with asgiref 3.3.2+.
2021-04-06 08:03:43 +02:00
migrate_signals
Fixed #32395 -- Allowed capturing stdout of migration signals.
2021-02-04 11:19:49 +01:00
migration_test_data_persistence
…
migrations
Fixed #32893 -- Fixed serialization of models.Model class in migrations.
2021-07-01 12:42:32 +02:00
migrations2
…
model_enums
Refs #32074 -- Backported Enum.__repr__() from Python 3.10.
2021-04-07 10:28:40 +02:00
model_fields
Refs #32508 -- Raised Type/ValueError instead of using "assert" in django.db.models.
2021-07-15 11:43:33 +02:00
model_forms
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
model_formsets
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
model_formsets_regress
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
model_indexes
Refs #32508 -- Raised Type/ValueError instead of using "assert" in django.db.models.
2021-07-15 11:43:33 +02:00
model_inheritance
Used more specific unittest assertions in tests.
2021-07-07 10:51:38 +02:00
model_inheritance_regress
Removed unused __str__() methods in tests models.
2020-04-30 09:13:23 +02:00
model_meta
Fixed #32294 -- Prevented ManyToManyField's hidden related name collisions between apps.
2020-12-30 13:11:47 +01:00
model_options
Fixed #32620 -- Allowed subclasses of Big/SmallAutoField for DEFAULT_AUTO_FIELD.
2021-04-08 13:17:08 +02:00
model_package
…
model_regress
Fixed #31863 -- Prevented mutating model state by copies of model instances.
2020-08-12 12:43:42 +02:00
model_utils
Fixed #32812 -- Restored immutability of named values from QuerySet.values_list().
2021-06-04 07:23:16 +02:00
modeladmin
Refs #24121 -- Added __repr__() to AdminSite, DefaultAdminSite, and ModelAdmin.
2021-07-05 08:15:58 +02:00
multiple_database
Fixed isolation of RouterTestCase.test_m2m_cross_database_protection().
2021-07-05 15:22:08 +02:00
mutually_referential
…
nested_foreign_keys
…
no_models
…
null_fk
Removed unused __str__() methods in tests models.
2020-04-15 20:20:32 +02:00
null_fk_ordering
Removed unused __str__() methods in tests models.
2020-04-30 09:13:23 +02:00
null_queries
Removed unused __str__() methods in tests models.
2020-04-30 09:13:23 +02:00
one_to_one
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
or_lookups
…
order_with_respect_to
…
ordering
Fixed #32546 -- Avoided Meta.ordering columns in GROUP BY clauses.
2021-03-16 07:58:38 +01:00
pagination
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
postgres_tests
Fixed #32776 -- Added support for Array subqueries on PostgreSQL.
2021-07-06 07:36:52 +02:00
prefetch_related
Fixed #32812 -- Restored immutability of named values from QuerySet.values_list().
2021-06-04 07:23:16 +02:00
project_template
Fixed #31840 -- Added support for Cross-Origin Opener Policy header.
2021-03-30 19:59:24 +02:00
properties
…
proxy_model_inheritance
Removed obsolete TODO in proxy_model_inheritance test.
2018-08-16 09:20:31 -04:00
proxy_models
…
queries
Refs #32508 -- Raised Type/ValueError instead of using "assert" in django.db.models.
2021-07-15 11:43:33 +02:00
queryset_pickle
Refs #32548 -- Added tests for passing conditional expressions to Q().
2021-03-17 21:53:36 +01:00
raw_query
Fixed #32231 -- Allowed passing None params to QuerySet.raw().
2021-01-05 10:37:11 +01:00
redirects_tests
Refs #26601 -- Made get_response argument required and don't accept None in middleware classes.
2021-01-14 17:50:04 +01:00
requests
Fixed #32698 -- Moved HttpRequest.get_raw_uri() to ExceptionReporter._get_raw_insecure_uri().
2021-04-30 08:05:42 +02:00
requirements
Updated asgiref dependency for 3.2 release series.
2021-04-06 10:38:43 +02:00
reserved_names
…
resolve_url
Removed unnecessary tuple wrapping of single format string argument.
2020-04-27 08:30:16 +02:00
responses
Refs #24121 -- Added __repr__() to StreamingHttpResponse and subclasses.
2021-06-22 21:28:48 +02:00
reverse_lookup
Removed unused __str__() methods in tests models.
2020-04-30 09:13:23 +02:00
save_delete_hooks
…
schema
Refs #32508 -- Raised Type/ValueError instead of using "assert" in django.db.models.
2021-07-15 11:43:33 +02:00
select_for_update
Fixed #31866 -- Fixed locking proxy models in QuerySet.select_for_update(of=()).
2020-08-11 11:55:10 +02:00
select_related
Refs #30573 -- Rephrased "Of Course" and "Obvious(ly)" in documentation and comments.
2020-05-04 12:10:47 +02:00
select_related_onetoone
Removed unused __str__() methods in tests models.
2020-04-30 09:13:23 +02:00
select_related_regress
Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.
2020-11-06 09:24:50 +01:00
serializers
Fixed #32420 -- Fixed detecting primary key values in deserialization when PK is also a FK.
2021-02-05 12:33:43 +01:00
servers
Fixed #32416 -- Made ThreadedWSGIServer close connections after each thread.
2021-04-12 10:23:56 +02:00
sessions_tests
Refs #31274 -- Removed support for the pre-Django 3.1 encoding format of sessions.
2021-01-14 17:50:04 +01:00
settings_tests
Fixed #32379 -- Started deprecation toward changing default USE_TZ to True.
2021-05-18 20:26:44 +02:00
shell
Fixed #32183 -- Fixed shell crash when passing code with nested scopes.
2020-11-11 09:18:26 +01:00
shortcuts
Fixed #31789 -- Added a new headers interface to HttpResponse.
2020-09-14 08:41:59 +02:00
signals
Fixed #32594 -- Doc'd and tested that Signal.disconnect() with lazy references returns None.
2021-04-03 14:57:43 +02:00
signed_cookies_tests
…
signing
Fixed #32712 -- Deprecated django.utils.baseconv module.
2021-05-07 11:57:40 +02:00
sitemaps_tests
Fixed #32375 -- Started deprecation toward changing the default sitemap protocol to https.
2021-05-21 11:00:54 +02:00
sites_framework
Removed unused __str__() methods in tests models.
2020-04-15 20:20:32 +02:00
sites_tests
Fixed #31802 -- Added system check for non-integer SITE_ID.
2020-07-24 10:41:55 +02:00
staticfiles_tests
Fixed #32716 -- Fixed ManifestStaticFilesStorage crash when max_post_process_passes is 0.
2021-06-07 07:56:20 +02:00
str
…
string_lookup
Removed unused __str__() methods in tests models.
2020-04-15 20:20:32 +02:00
swappable_models
Disabled management commands output with verbosity 0 in various tests.
2020-05-13 09:12:43 +02:00
syndication_tests
Fixed #32789 -- Made feeds emit elements with no content as self-closing tags.
2021-05-27 21:05:28 +02:00
template_backends
Fixed #27827 -- Used "raise from" when raising InvalidTemplateLibrary exceptions in get_package_libraries().
2020-12-28 07:31:37 +01:00
template_loader
…
template_tests
Fixed #28935 -- Fixed display of errors in extended blocks.
2021-07-02 11:38:15 +02:00
templates
…
test_client
Fixed ResourceWarning in test_client.tests.ClientTest.test_uploading_named_temp_file().
2021-06-24 11:47:29 +02:00
test_client_regress
Fixed #31789 -- Added a new headers interface to HttpResponse.
2020-09-14 08:41:59 +02:00
test_exceptions
Fixed #28507 -- Made ValidationError.__eq__() ignore messages and params ordering.
2020-07-29 12:04:13 +02:00
test_runner
Fixed #32914 -- Prevented test --shuffle from skipping test methods.
2021-07-12 06:36:12 +02:00
test_runner_apps
Fixed #29127 -- Prevented DiscoverRunner from hiding tagged test with syntax errors.
2021-03-30 10:26:20 +02:00
test_utils
Refs #32508 -- Raised ImproperlyConfigured/TypeError instead of using "assert".
2021-07-05 13:31:03 +02:00
timezones
Added test for errors when saving timezone-aware times if not supported.
2021-07-06 10:44:06 +02:00
transaction_hooks
Fixed #32108 -- Made transaction.on_commit() raise TypeError when callback is not a callable.
2020-10-19 20:46:13 +02:00
transactions
Fixed isolation of NonAutocommitTests.test_orm_query_after_error_and_rollback().
2021-07-09 07:38:31 +02:00
unmanaged_models
Removed unused __str__() methods in tests models.
2020-04-15 20:20:32 +02:00
update
Fixed #32645 -- Fixed QuerySet.update() crash when ordered by joined fields on MySQL/MariaDB.
2021-04-14 21:11:17 +02:00
update_only_fields
Fixed #31382 -- Made Model.save(update_fields=...) raise ValueError on non-concrete fields.
2020-08-12 21:13:55 +02:00
urlpatterns
Fixed #32195 -- Added system check for invalid view in path() and improved error messages.
2021-06-09 09:06:42 +02:00
urlpatterns_reverse
Fixed #32870 -- Improved error message when URLconf is empty.
2021-06-22 08:09:53 +02:00
user_commands
Fixed #32355 -- Dropped support for Python 3.6 and 3.7
2021-02-10 10:20:54 +01:00
utils_tests
Completed test coverage for django.utils.dateformat.
2021-07-13 13:21:10 +02:00
validation
Refs #32508 -- Raised Type/ValueError instead of using "assert" in django.db.models.
2021-07-15 11:43:33 +02:00
validators
Fixed CVE-2021-33571 -- Prevented leading zeros in IPv4 addresses.
2021-06-02 10:58:39 +02:00
version
Fixed #32316 -- Deferred accessing __file__.
2021-04-01 14:33:30 +02:00
view_tests
Refs #32508 -- Raised ImproperlyConfigured/TypeError instead of using "assert" in various code.
2021-06-25 06:55:47 +02:00
wsgi
…
.coveragerc
…
README.rst
…
runtests.py
Fixed #24522 -- Added a --shuffle option to DiscoverRunner.
2021-07-08 07:29:04 +02:00
test_sqlite.py
Fixed #32379 -- Started deprecation toward changing default USE_TZ to True.
2021-05-18 20:26:44 +02:00
urls.py
…

README.rst 

To run the test suite, first, create and activate a virtual environment. Then
install some requirements and run the tests::

    $ cd tests
    $ python -m pip install -e ..
    $ python -m pip install -r requirements/py3.txt
    $ ./runtests.py

For more information about the test suite, see
https://docs.djangoproject.com/en/dev/internals/contributing/writing-code/unit-tests/.