1
0
mirror of https://github.com/django/django.git synced 2024-12-23 01:25:58 +00:00
django/tests/servers/test_liveserverthread.py
Jon Dufresne 76990cbbda Fixed #30171 -- Fixed DatabaseError in servers tests.
Made DatabaseWrapper thread sharing logic reentrant. Used a reference
counting like scheme to allow nested uses.

The error appeared after 8c775391b7.
2019-02-14 10:04:55 -05:00

28 lines
1.0 KiB
Python

from django.db import DEFAULT_DB_ALIAS, connections
from django.test import LiveServerTestCase, TestCase
class LiveServerThreadTest(TestCase):
def run_live_server_thread(self, connections_override=None):
thread = LiveServerTestCase._create_server_thread(connections_override)
thread.daemon = True
thread.start()
thread.is_ready.wait()
thread.terminate()
def test_closes_connections(self):
conn = connections[DEFAULT_DB_ALIAS]
if conn.vendor == 'sqlite' and conn.is_in_memory_db():
self.skipTest("the sqlite backend's close() method is a no-op when using an in-memory database")
# Pass a connection to the thread to check they are being closed.
connections_override = {DEFAULT_DB_ALIAS: conn}
conn.inc_thread_sharing()
try:
self.assertTrue(conn.is_usable())
self.run_live_server_thread(connections_override)
self.assertFalse(conn.is_usable())
finally:
conn.dec_thread_sharing()