django/tests/servers/test_liveserverthread.py

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from django.db import DEFAULT_DB_ALIAS, connections
from django.test import LiveServerTestCase, TransactionTestCase
from django.test.testcases import LiveServerThread
# Use TransactionTestCase instead of TestCase to run outside of a transaction,
# otherwise closing the connection would implicitly rollback and not set the
# connection to None.
class LiveServerThreadTest(TransactionTestCase):
available_apps = []
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]
# Pass a connection to the thread to check they are being closed.
connections_override = {DEFAULT_DB_ALIAS: conn}
# Open a connection to the database.
conn.connect()
conn.inc_thread_sharing()
try:
self.assertIsNotNone(conn.connection)
self.run_live_server_thread(connections_override)
self.assertIsNone(conn.connection)
finally:
conn.dec_thread_sharing()
def test_server_class(self):
class FakeServer:
def __init__(*args, **kwargs):
pass
class MyServerThread(LiveServerThread):
server_class = FakeServer
class MyServerTestCase(LiveServerTestCase):
server_thread_class = MyServerThread
thread = MyServerTestCase._create_server_thread(None)
server = thread._create_server()
self.assertIs(type(server), FakeServer)