mirror of https://github.com/django/django.git
120 lines
4.7 KiB
Python
120 lines
4.7 KiB
Python
import unittest
|
|
from unittest import mock
|
|
|
|
from django.db import DatabaseError, NotSupportedError, connection
|
|
from django.db.models import BooleanField
|
|
from django.test import TestCase, TransactionTestCase
|
|
|
|
from ..models import Square, VeryLongModelNameZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
|
|
|
|
|
|
@unittest.skipUnless(connection.vendor == "oracle", "Oracle tests")
|
|
class Tests(TestCase):
|
|
def test_quote_name(self):
|
|
"""'%' chars are escaped for query execution."""
|
|
name = '"SOME%NAME"'
|
|
quoted_name = connection.ops.quote_name(name)
|
|
self.assertEqual(quoted_name % (), name)
|
|
|
|
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",
|
|
),
|
|
)
|
|
|
|
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!"])
|
|
|
|
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")
|
|
|
|
def test_order_of_nls_parameters(self):
|
|
"""
|
|
An 'almost right' datetime works with configured NLS parameters
|
|
(#18465).
|
|
"""
|
|
with connection.cursor() as cursor:
|
|
query = "select 1 from dual where '1936-12-29 00:00' < sysdate"
|
|
# The query succeeds without errors - pre #18465 this
|
|
# wasn't the case.
|
|
cursor.execute(query)
|
|
self.assertEqual(cursor.fetchone()[0], 1)
|
|
|
|
def test_boolean_constraints(self):
|
|
"""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")
|
|
self.assertIn('"IS_NICE" IN (0,1)', field.db_check(connection))
|
|
|
|
@mock.patch.object(
|
|
connection,
|
|
"get_database_version",
|
|
return_value=(18, 1),
|
|
)
|
|
def test_check_database_version_supported(self, mocked_get_database_version):
|
|
msg = "Oracle 19 or later is required (found 18.1)."
|
|
with self.assertRaisesMessage(NotSupportedError, msg):
|
|
connection.check_database_version_supported()
|
|
self.assertTrue(mocked_get_database_version.called)
|
|
|
|
|
|
@unittest.skipUnless(connection.vendor == "oracle", "Oracle tests")
|
|
class TransactionalTests(TransactionTestCase):
|
|
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(
|
|
"""
|
|
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)."
|
|
),
|
|
):
|
|
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"
|
|
try:
|
|
self.assertIn(
|
|
'/"p@ssword"@',
|
|
connection.client.connect_string(connection.settings_dict),
|
|
)
|
|
with self.assertRaises(DatabaseError) as context:
|
|
connection.cursor()
|
|
# Database exception: "ORA-01017: invalid username/password" is
|
|
# expected.
|
|
self.assertIn("ORA-01017", context.exception.args[0].message)
|
|
finally:
|
|
connection.settings_dict["PASSWORD"] = old_password
|