django/tests/backends/test_mysql.py

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from __future__ import unicode_literals
import unittest
from django.db import connection
from django.test import TestCase, override_settings
@override_settings(DEBUG=True)
@unittest.skipUnless(connection.vendor == 'mysql', 'MySQL specific test.')
class MySQLTests(TestCase):
def test_auto_is_null_auto_config(self):
query = 'set sql_auto_is_null = 0'
connection.init_connection_state()
last_query = connection.queries[-1]['sql'].lower()
if connection.features.is_sql_auto_is_null_enabled:
self.assertIn(query, last_query)
else:
self.assertNotIn(query, last_query)