From 3a4567a718c2f9f3d8b65acb81f0caefb4f1a2b5 Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Thu, 24 Oct 2013 16:13:32 -0400
Subject: - add migration notes for [ticket:2838] - have TypeDecorator use
 process_bind_param for literal values if no process_literal_param is set

---
 test/sql/test_types.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'test')

diff --git a/test/sql/test_types.py b/test/sql/test_types.py
index 30a00ca56..7fc5dc35c 100644
--- a/test/sql/test_types.py
+++ b/test/sql/test_types.py
@@ -287,6 +287,22 @@ class UserDefinedTest(fixtures.TablesTest, AssertsCompiledSQL):
             literal_binds=True
         )
 
+    def test_typedecorator_literal_render_fallback_bound(self):
+        # fall back to process_bind_param for literal
+        # value rendering.
+        class MyType(types.TypeDecorator):
+            impl = String
+
+            def process_bind_param(self, value, dialect):
+                return "HI->%s<-THERE" % value
+
+        self.assert_compile(
+            select([literal("test", MyType)]),
+            "SELECT 'HI->test<-THERE' AS anon_1",
+            dialect='default',
+            literal_binds=True
+        )
+
     def test_typedecorator_impl(self):
         for impl_, exp, kw in [
             (Float, "FLOAT", {}),
-- 
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