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Code Issues 32 Releases Wiki Activity

Refs #33476 -- Reformatted code with Black.

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This commit is contained in:
django-bot
2022-02-03 20:24:19 +01:00
committed by Mariusz Felisiak
parent f68fa8b45d
commit 9c19aff7c7
1992 changed files with 139577 additions and 96284 deletions
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38
tests/backends/postgresql/test_server_side_cursors.py
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@@ -9,19 +9,23 @@ from django.test import TestCase
from ..models import Person
@unittest.skipUnless(connection.vendor == 'postgresql', 'PostgreSQL tests')
@unittest.skipUnless(connection.vendor == "postgresql", "PostgreSQL tests")
class ServerSideCursorsPostgres(TestCase):
cursor_fields = 'name, statement, is_holdable, is_binary, is_scrollable, creation_time'
PostgresCursor = namedtuple('PostgresCursor', cursor_fields)
cursor_fields = (
"name, statement, is_holdable, is_binary, is_scrollable, creation_time"
)
PostgresCursor = namedtuple("PostgresCursor", cursor_fields)
@classmethod
def setUpTestData(cls):
Person.objects.create(first_name='a', last_name='a')
Person.objects.create(first_name='b', last_name='b')
Person.objects.create(first_name="a", last_name="a")
Person.objects.create(first_name="b", last_name="b")
def inspect_cursors(self):
with connection.cursor() as cursor:
cursor.execute('SELECT {fields} FROM pg_cursors;'.format(fields=self.cursor_fields))
cursor.execute(
"SELECT {fields} FROM pg_cursors;".format(fields=self.cursor_fields)
)
cursors = cursor.fetchall()
return [self.PostgresCursor._make(cursor) for cursor in cursors]
@@ -30,7 +34,9 @@ class ServerSideCursorsPostgres(TestCase):
for setting in kwargs:
original_value = connection.settings_dict.get(setting)
if setting in connection.settings_dict:
self.addCleanup(operator.setitem, connection.settings_dict, setting, original_value)
self.addCleanup(
operator.setitem, connection.settings_dict, setting, original_value
)
else:
self.addCleanup(operator.delitem, connection.settings_dict, setting)
@@ -42,7 +48,7 @@ class ServerSideCursorsPostgres(TestCase):
cursors = self.inspect_cursors()
self.assertEqual(len(cursors), num_expected)
for cursor in cursors:
self.assertIn('_django_curs_', cursor.name)
self.assertIn("_django_curs_", cursor.name)
self.assertFalse(cursor.is_scrollable)
self.assertFalse(cursor.is_holdable)
self.assertFalse(cursor.is_binary)
@@ -54,17 +60,23 @@ class ServerSideCursorsPostgres(TestCase):
self.assertUsesCursor(Person.objects.iterator())
def test_values(self):
self.assertUsesCursor(Person.objects.values('first_name').iterator())
self.assertUsesCursor(Person.objects.values("first_name").iterator())
def test_values_list(self):
self.assertUsesCursor(Person.objects.values_list('first_name').iterator())
self.assertUsesCursor(Person.objects.values_list("first_name").iterator())
def test_values_list_flat(self):
self.assertUsesCursor(Person.objects.values_list('first_name', flat=True).iterator())
self.assertUsesCursor(
Person.objects.values_list("first_name", flat=True).iterator()
)
def test_values_list_fields_not_equal_to_names(self):
expr = models.Count('id')
self.assertUsesCursor(Person.objects.annotate(id__count=expr).values_list(expr, 'id__count').iterator())
expr = models.Count("id")
self.assertUsesCursor(
Person.objects.annotate(id__count=expr)
.values_list(expr, "id__count")
.iterator()
)
def test_server_side_cursor_many_cursors(self):
persons = Person.objects.iterator()