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-rw-r--r--tests/backends/mysql/test_features.py6
-rw-r--r--tests/backends/tests.py3
2 files changed, 8 insertions, 1 deletions
diff --git a/tests/backends/mysql/test_features.py b/tests/backends/mysql/test_features.py
index 1385c9b88c..5d27890a5d 100644
--- a/tests/backends/mysql/test_features.py
+++ b/tests/backends/mysql/test_features.py
@@ -32,3 +32,9 @@ class TestFeatures(TestCase):
database_features = DatabaseFeatures(_connection)
self.assertFalse(database_features.has_select_for_update_skip_locked)
self.assertFalse(database_features.has_select_for_update_nowait)
+
+ def test_allows_auto_pk_0(self):
+ with mock.MagicMock() as _connection:
+ _connection.sql_mode = {'NO_AUTO_VALUE_ON_ZERO'}
+ database_features = DatabaseFeatures(_connection)
+ self.assertIs(database_features.allows_auto_pk_0, True)
diff --git a/tests/backends/tests.py b/tests/backends/tests.py
index 08bdac3437..cf6bdbf25d 100644
--- a/tests/backends/tests.py
+++ b/tests/backends/tests.py
@@ -806,7 +806,8 @@ class ThreadTests(TransactionTestCase):
class MySQLPKZeroTests(TestCase):
"""
Zero as id for AutoField should raise exception in MySQL, because MySQL
- does not allow zero for autoincrement primary key.
+ does not allow zero for autoincrement primary key if the
+ NO_AUTO_VALUE_ON_ZERO SQL mode is not enabled.
"""
@skipIfDBFeature('allows_auto_pk_0')
def test_zero_as_autoval(self):