- add a test for pullreq 8

- simplify

1 files changed, 26 insertions, 0 deletions

diff --git a/test/ext/test_mutable.py b/test/ext/test_mutable.py
index bda9e5382..25c182f1d 100644
--- a/test/ext/test_mutable.py
+++ b/test/ext/test_mutable.py
@@ -421,6 +421,32 @@ class MutableCompositesTest(_CompositeTestBase, fixtures.MappedTest):
 
         eq_(f1.data.x, 5)
 
+class MutableCompositeCallableTest(_CompositeTestBase, fixtures.MappedTest):
+
+    @classmethod
+    def setup_mappers(cls):
+        foo = cls.tables.foo
+
+        Point = cls._type_fixture()
+
+        # in this case, this is not actually a MutableComposite.
+        # so we don't expect it to track changes
+        mapper(Foo, foo, properties={
+            'data': composite(lambda x, y: Point(x, y), foo.c.x, foo.c.y)
+        })
+
+    def test_basic(self):
+        sess = Session()
+        f1 = Foo(data=Point(3, 4))
+        sess.add(f1)
+        sess.flush()
+        f1.data.x = 5
+        sess.commit()
+
+        # we didn't get the change.
+        eq_(f1.data.x, 3)
+
+
 class MutableCompositeCustomCoerceTest(_CompositeTestBase, fixtures.MappedTest):
     @classmethod
     def _type_fixture(cls):