[Zodb-checkins] SVN: ZODB/trunk/src/ZODB/tests/testMVCCMappingStorage.py More thorough version of the invalidation test

[Shane Hathaway]

Log message for revision 99566:
  More thorough version of the invalidation test
  

Changed:
  U   ZODB/trunk/src/ZODB/tests/testMVCCMappingStorage.py

-=-
Modified: ZODB/trunk/src/ZODB/tests/testMVCCMappingStorage.py
===================================================================
--- ZODB/trunk/src/ZODB/tests/testMVCCMappingStorage.py	2009-04-28 20:13:37 UTC (rev 99565)
+++ ZODB/trunk/src/ZODB/tests/testMVCCMappingStorage.py	2009-04-28 22:21:34 UTC (rev 99566)
@@ -38,23 +38,23 @@
         # This will fail if the Connection doesn't poll for changes.
         db = DB(self._storage)
         try:
-            c1 = db.open()
+            c1 = db.open(transaction.TransactionManager())
             r1 = c1.root()
             r1['myobj'] = 'yes'
-            c2 = db.open()
+            c2 = db.open(transaction.TransactionManager())
             r2 = c2.root()
             self.assert_('myobj' not in r2)
 
-            storage = c1._storage
-            t = transaction.Transaction()
-            t.description = 'invalidation test'
-            storage.tpc_begin(t)
-            c1.commit(t)
-            storage.tpc_vote(t)
-            storage.tpc_finish(t)
+            old_tid = c1._storage._polled_tid
+            c1.transaction_manager.commit()
+            new_tid = c1._storage._polled_tid
 
+            self.assertNotEqual(new_tid, old_tid)
+            self.assertEqual(c2._storage._polled_tid, old_tid)
+
             self.assert_('myobj' not in r2)
             c2.sync()
+            self.assertEqual(new_tid, c2._storage._polled_tid)
             self.assert_('myobj' in r2)
             self.assert_(r2['myobj'] == 'yes')
         finally: