1 files changed, 13 insertions, 0 deletions
diff --git a/test/orm/test_joins.py b/test/orm/test_joins.py
index e0eb7c3e0..e820f3fc4 100644
--- a/test/orm/test_joins.py
+++ b/test/orm/test_joins.py
@@ -396,6 +396,19 @@ class JoinTest(QueryTest, AssertsCompiledSQL):
             "ON addresses.id = orders.address_id"
         )
 
+    def test_left_is_none(self):
+        User = self.classes.User
+        Address = self.classes.Address
+
+        sess = create_session()
+
+        assert_raises_message(
+            sa_exc.InvalidRequestError,
+            "Don't know how to join from x; please use select_from() to "
+            "establish the left entity/selectable of this join",
+            sess.query(literal_column('x'), User).join, Address
+        )
+
     def test_join_on_synonym(self):
 
         class User(object):