Fixed #6064 -- Added the connection_created signal for when a database connection is created.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@10182 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/backends/tests.py

@@ -1,13 +1,10 @@
 # -*- coding: utf-8 -*-
-
-# Unit tests for specific database backends.
-
+# Unit and doctests for specific database backends.
 import unittest
-
 from django.db import connection
+from django.db.backends.signals import connection_created
 from django.conf import settings
 
-
 class Callproc(unittest.TestCase):
 
     def test_dbms_session(self):
@@ -21,6 +18,23 @@ class Callproc(unittest.TestCase):
         else:
             return True
 
+def connection_created_test(sender, **kwargs):
+    print 'connection_created signal'
+
+__test__ = {'API_TESTS': ''}
+
+# Unfortunately with sqlite3 the in-memory test database cannot be
+# closed, and so it cannot be re-opened during testing, and so we
+# sadly disable this test for now.
+if settings.DATABASE_ENGINE != 'sqlite3':
+    __test__['API_TESTS'] += """
+>>> connection_created.connect(connection_created_test)
+>>> connection.close() # Ensure the connection is closed
+>>> cursor = connection.cursor()
+connection_created signal
+>>> connection_created.disconnect(connection_created_test)
+>>> cursor = connection.cursor()
+"""
 
 if __name__ == '__main__':
     unittest.main()