[multi-db] Added basic tests for Manager.db attribute.

git-svn-id: http://code.djangoproject.com/svn/django/branches/multiple-db-support@3363 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/othertests/manager_db.py

@@ -0,0 +1,23 @@
+from django.db import models
+
+def run_tests(verbosity=0):
+    class Insect(models.Model):
+        common_name = models.CharField(maxlength=64)
+        latin_name = models.CharField(maxlength=128)
+
+        class Meta:
+            app_label = 'manager_db'
+
+    m = Insect.objects
+    db = Insect.objects.db
+
+    assert db
+    assert db.connection
+    assert db.connection.cursor
+    assert db.backend
+    assert db.backend.quote_name
+    assert db.get_creation_module
+
+if __name__ == '__main__':
+    run_tests()
+    print "ok"