Ticket #18984: 18984-deadlock-test-case.diff

tests/regressiontests/test_runner/tests.py

@@ -5 +5 @@
 
 from optparse import make_option
 
+from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured
 from django.core.management import call_command
 from django import db
@@ -279 +280 @@
     def test_autoincrement_reset2(self):
         p = Person.objects.create(first_name='Jack', last_name='Smith')
         self.assertEqual(p.pk, 1)
+
+
+class MirrorDeadlockTest(TransactionTestCase):
+    multi_db = True
+
+    def test_teardown_deadlock(self):
+        # If pour DATABASES setting must contain a mirror obeying the following rules...
+        default = settings.DATABASES['default'].copy()
+        mirror = settings.DATABASES['mirror'].copy()
+        self.assertEqual(default.pop('TEST_MIRROR'), None)
+        self.assertEqual(mirror.pop('TEST_MIRROR'), 'default')
+        self.assertEqual(mirror, default)
+        # ... sorry.
+        print("You're going to deadlock, human. MUHAHA.")