Refs #32061 -- Unified DatabaseClient.runshell() in db backends.

3 files changed, 21 insertions, 1 deletions

diff --git a/tests/backends/base/test_client.py b/tests/backends/base/test_client.py
new file mode 100644
index 0000000000..4573bbe97b
--- /dev/null
+++ b/tests/backends/base/test_client.py
@@ -0,0 +1,16 @@
+from django.db import connection
+from django.db.backends.base.client import BaseDatabaseClient
+from django.test import SimpleTestCase
+
+
+class SimpleDatabaseClientTests(SimpleTestCase):
+    def setUp(self):
+        self.client = BaseDatabaseClient(connection=connection)
+
+    def test_settings_to_cmd_args_env(self):
+        msg = (
+            'subclasses of BaseDatabaseClient must provide a '
+            'settings_to_cmd_args_env() method or override a runshell().'
+        )
+        with self.assertRaisesMessage(NotImplementedError, msg):
+            self.client.settings_to_cmd_args_env(None, None)
diff --git a/tests/backends/mysql/test_creation.py b/tests/backends/mysql/test_creation.py
index 5675601a1b..0d3480adea 100644
--- a/tests/backends/mysql/test_creation.py
+++ b/tests/backends/mysql/test_creation.py
@@ -78,6 +78,7 @@ class DatabaseCreationTests(SimpleTestCase):
                             'source_db',
                         ],
                         stdout=subprocess.PIPE,
+                        env=None,
                     ),
                 ])
         finally:
diff --git a/tests/backends/oracle/tests.py b/tests/backends/oracle/tests.py
index 0a7bf01963..258f98f5c9 100644
--- a/tests/backends/oracle/tests.py
+++ b/tests/backends/oracle/tests.py
@@ -86,7 +86,10 @@ class TransactionalTests(TransactionTestCase):
         old_password = connection.settings_dict['PASSWORD']
         connection.settings_dict['PASSWORD'] = 'p@ssword'
         try:
-            self.assertIn('/"p@ssword"@', connection._connect_string())
+            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