Refs #33476 -- Reformatted code with Black.

tests/backends/oracle/tests.py

@@ -4,14 +4,11 @@ from django.db import DatabaseError, connection
 from django.db.models import BooleanField
 from django.test import TransactionTestCase
 
-from ..models import (
-    Square, VeryLongModelNameZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ,
-)
+from ..models import Square, VeryLongModelNameZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
 
-@unittest.skipUnless(connection.vendor == 'oracle', 'Oracle tests')
+@unittest.skipUnless(connection.vendor == "oracle", "Oracle tests")
 class Tests(unittest.TestCase):
-
     def test_quote_name(self):
         """'%' chars are escaped for query execution."""
         name = '"SOME%NAME"'
@@ -21,21 +18,24 @@ class Tests(unittest.TestCase):
     def test_quote_name_db_table(self):
         model = VeryLongModelNameZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
         db_table = model._meta.db_table.upper()
-        self.assertEqual(f'"{db_table}"', connection.ops.quote_name(
-            'backends_verylongmodelnamezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz',
-        ))
+        self.assertEqual(
+            f'"{db_table}"',
+            connection.ops.quote_name(
+                "backends_verylongmodelnamezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz",
+            ),
+        )
 
     def test_dbms_session(self):
         """A stored procedure can be called through a cursor wrapper."""
         with connection.cursor() as cursor:
-            cursor.callproc('DBMS_SESSION.SET_IDENTIFIER', ['_django_testing!'])
+            cursor.callproc("DBMS_SESSION.SET_IDENTIFIER", ["_django_testing!"])
 
     def test_cursor_var(self):
         """Cursor variables can be passed as query parameters."""
         with connection.cursor() as cursor:
             var = cursor.var(str)
             cursor.execute("BEGIN %s := 'X'; END; ", [var])
-            self.assertEqual(var.getvalue(), 'X')
+            self.assertEqual(var.getvalue(), "X")
 
     def test_order_of_nls_parameters(self):
         """
@@ -53,41 +53,46 @@ class Tests(unittest.TestCase):
         """Boolean fields have check constraints on their values."""
         for field in (BooleanField(), BooleanField(null=True)):
             with self.subTest(field=field):
-                field.set_attributes_from_name('is_nice')
+                field.set_attributes_from_name("is_nice")
                 self.assertIn('"IS_NICE" IN (0,1)', field.db_check(connection))
 
 
-@unittest.skipUnless(connection.vendor == 'oracle', 'Oracle tests')
+@unittest.skipUnless(connection.vendor == "oracle", "Oracle tests")
 class TransactionalTests(TransactionTestCase):
-    available_apps = ['backends']
+    available_apps = ["backends"]
 
     def test_hidden_no_data_found_exception(self):
         # "ORA-1403: no data found" exception is hidden by Oracle OCI library
         # when an INSERT statement is used with a RETURNING clause (see #28859).
         with connection.cursor() as cursor:
             # Create trigger that raises "ORA-1403: no data found".
-            cursor.execute("""
+            cursor.execute(
+                """
                 CREATE OR REPLACE TRIGGER "TRG_NO_DATA_FOUND"
                 AFTER INSERT ON "BACKENDS_SQUARE"
                 FOR EACH ROW
                 BEGIN
                     RAISE NO_DATA_FOUND;
                 END;
-            """)
+            """
+            )
         try:
-            with self.assertRaisesMessage(DatabaseError, (
-                'The database did not return a new row id. Probably "ORA-1403: '
-                'no data found" was raised internally but was hidden by the '
-                'Oracle OCI library (see https://code.djangoproject.com/ticket/28859).'
-            )):
+            with self.assertRaisesMessage(
+                DatabaseError,
+                (
+                    'The database did not return a new row id. Probably "ORA-1403: '
+                    'no data found" was raised internally but was hidden by the '
+                    "Oracle OCI library (see https://code.djangoproject.com/ticket/28859)."
+                ),
+            ):
                 Square.objects.create(root=2, square=4)
         finally:
             with connection.cursor() as cursor:
                 cursor.execute('DROP TRIGGER "TRG_NO_DATA_FOUND"')
 
     def test_password_with_at_sign(self):
-        old_password = connection.settings_dict['PASSWORD']
-        connection.settings_dict['PASSWORD'] = 'p@ssword'
+        old_password = connection.settings_dict["PASSWORD"]
+        connection.settings_dict["PASSWORD"] = "p@ssword"
         try:
             self.assertIn(
                 '/"p@ssword"@',
@@ -97,6 +102,6 @@ class TransactionalTests(TransactionTestCase):
                 connection.cursor()
             # Database exception: "ORA-01017: invalid username/password" is
             # expected.
-            self.assertIn('ORA-01017', context.exception.args[0].message)
+            self.assertIn("ORA-01017", context.exception.args[0].message)
         finally:
-            connection.settings_dict['PASSWORD'] = old_password
+            connection.settings_dict["PASSWORD"] = old_password