def testPrincipalLastTransactionIsUndo(self):
request = self.request
bonobo = principalRegistry.getPrincipal('bonobo')
request.setPrincipal(bonobo)
view = UndoView(self.folder1, request)
self.failIf(view.principalLastTransactionIsUndo())
# now undo the last transaction
self.undo._emulatePublication(request)
self.undo.undoTransactions(['6'])
self.assert_(view.principalLastTransactionIsUndo())
