- add documented failure for newer pysqlite versions

diff --git a/test/aaa_profiling/test_memusage.py b/test/aaa_profiling/test_memusage.py
index 70a3cf8cd68ffbc4d5e86c8351ba43f307874e6c..13bee9e35c5d72b0f0c2f9ed3d499a2720934fef 100644 (file)
--- a/test/aaa_profiling/test_memusage.py
+++ b/test/aaa_profiling/test_memusage.py
@@ -304,6 +304,12 @@ class MemUsageTest(EnsureZeroed):
             metadata.drop_all()
         assert_no_mappers()
 
+    # fails on newer versions of pysqlite due to unusual memory 
+    # behvior in pysqlite itself.
+    # background at: http://thread.gmane.org/gmane.comp.python.db.pysqlite.user/2290
+    @testing.fails_if(lambda: 
+                        testing.db.dialect.name == 'sqlite' and 
+                        testing.db.dialect.dbapi.version > '2.5')
     def test_join_cache(self):
         metadata = MetaData(testing.db)