- repair the inspection hook in sqltypes to not be fooled

by mock and other __getattr__ impostors

1 files changed, 9 insertions, 1 deletions

diff --git a/test/sql/test_types.py b/test/sql/test_types.py
index 90fac97c2..d562c83ce 100644
--- a/test/sql/test_types.py
+++ b/test/sql/test_types.py
@@ -26,7 +26,7 @@ from sqlalchemy.testing import AssertsCompiledSQL, AssertsExecutionResults, \
 from sqlalchemy.testing.util import picklers
 from sqlalchemy.testing.util import round_decimal
 from sqlalchemy.testing import fixtures
-
+from sqlalchemy.testing import mock
 
 class AdaptTest(fixtures.TestBase):
 
@@ -1668,6 +1668,14 @@ class ExpressionTest(
             types.NULLTYPE
         )
 
+    def test_detect_coercion_not_fooled_by_mock(self):
+        m1 = mock.Mock()
+        is_(
+            bindparam('x', m1).type,
+            types.NULLTYPE
+        )
+
+
 
 class CompileTest(fixtures.TestBase, AssertsCompiledSQL):
     __dialect__ = 'default'